diff --git a/.reuse/dep5 b/.reuse/dep5
index 0a36a50..31927f7 100644
--- a/.reuse/dep5
+++ b/.reuse/dep5
@@ -9,6 +9,6 @@ Source: https://github.com/fosslinux/live-bootstrap
 # Copyright: $YEAR $NAME <$CONTACT>
 # License: ...
 
-Files: sys*/SHA256SUMS.sources sysa/checksum-transcriber.SHA256SUM sysa/pre-sha.sha256sums sysa/*/*.checksums sysa/SHA256SUMS.pkgs sysc/musl-1.2.3/ld-musl-i386.path
+Files: sys*/*/sources sys*/SHA256SUMS.sources sysa/checksum-transcriber.SHA256SUM sysa/pre-sha.sha256sums sysa/*/*.checksums sysa/SHA256SUMS.pkgs sysc/musl-1.2.3/ld-musl-i386.path
 Copyright: none
 License: MIT
diff --git a/lib/sysgeneral.py b/lib/sysgeneral.py
index 288ca26..795ad8c 100644
--- a/lib/sysgeneral.py
+++ b/lib/sysgeneral.py
@@ -58,29 +58,19 @@ class SysGeneral:
         mount('tmpfs', self.tmp_dir, 'tmpfs', 'size=8G')
         self.mounted_tmpfs = True
 
-    def check_file(self, file_name):
+    def check_file(self, file_name, expected_hash):
         """Check hash of downloaded source file."""
-        checksum_store = os.path.join(self.sys_dir, 'SHA256SUMS.sources')
-        with open(checksum_store, encoding="utf_8") as checksum_file:
-            hashes = checksum_file.read().splitlines()
-        for hash_line in hashes:
-            if os.path.basename(file_name) in hash_line:
-                # Hash is in store, check it
-                expected_hash = hash_line.split()[0]
-
-                with open(file_name, "rb") as downloaded_file:
-                    downloaded_content = downloaded_file.read() # read entire file as bytes
-                readable_hash = hashlib.sha256(downloaded_content).hexdigest()
-                if expected_hash == readable_hash:
-                    return
-                raise Exception(f"Checksum mismatch for file {os.path.basename(file_name)}:\n\
+        with open(file_name, "rb") as downloaded_file:
+            downloaded_content = downloaded_file.read() # read entire file as bytes
+        readable_hash = hashlib.sha256(downloaded_content).hexdigest()
+        if expected_hash == readable_hash:
+            return
+        raise Exception(f"Checksum mismatch for file {os.path.basename(file_name)}:\n\
 expected: {expected_hash}\n\
 actual:   {readable_hash}\n\
 When in doubt, try deleting the file in question -- it will be downloaded again when running \
 this script the next time")
 
-        raise Exception("File checksum is not yet recorded")
-
     def download_file(self, url, file_name=None):
         """
         Download a single source archive.
@@ -107,37 +97,24 @@ this script the next time")
                     target_file.write(response.raw.read())
             else:
                 raise Exception("Download failed.")
-
-        # Check SHA256 hash
-        self.check_file(abs_file_name)
         return abs_file_name
 
-    def get_file(self, url, output=None):
-        """
-        Download and prepare source packages
-
-        url can be either:
-          1. a single URL
-          2. list of URLs to download. In this case the first URL is the primary URL
-             from which we derive the name of package directory
-        output can be used to override file name of the downloaded file(s).
-        """
-        # Single URL
-        if isinstance(url, str):
-            assert output is None or isinstance(output, str)
-            urls = [url]
-            outputs = [output]
-        # Multiple URLs
-        elif isinstance(url, list):
-            assert output is None or len(output) == len(url)
-            urls = url
-            outputs = output if output is not None else [None] * len(url)
-        else:
-            raise TypeError("url must be either a string or a list of strings")
-        # Install base files
-        for i, uri in enumerate(urls):
-            # Download files into cache directory
-            self.download_file(uri, outputs[i])
+    def get_packages(self):
+        """Prepare remaining sources"""
+        # Find all source files
+        for file in os.listdir(self.sys_dir):
+            if os.path.isdir(os.path.join(self.sys_dir, file)):
+                sourcef = os.path.join(self.sys_dir, file, "sources")
+                if os.path.exists(sourcef):
+                    # Download sources in the source file
+                    with open(sourcef, "r", encoding="utf_8") as sources:
+                        for line in sources.readlines():
+                            line = line.strip().split(" ")
+                            if len(line) > 2:
+                                path = self.download_file(line[0], line[2])
+                            else:
+                                path = self.download_file(line[0])
+                            self.check_file(path, line[1])
 
     def make_initramfs(self):
         """Package binary bootstrap seeds and sources into initramfs."""
diff --git a/sysa.py b/sysa.py
index 7b3e9de..3f56667 100755
--- a/sysa.py
+++ b/sysa.py
@@ -95,200 +95,3 @@ class SysA(SysGeneral):
         # stage0-posix hook to continue running live-bootstrap
         shutil.copy2(os.path.join(self.sys_dir, 'after.kaem'),
                      os.path.join(self.tmp_dir, 'after.kaem'))
-
-    # pylint: disable=line-too-long,too-many-statements
-    def get_packages(self):
-        """Prepare remaining sources"""
-        # mes-0.24 snapshot
-        self.get_file(["http://git.savannah.gnu.org/cgit/mes.git/snapshot/mes-aa5f1533e1736a89e60d2c34c2a0ab3b01f8d037.tar.gz",
-                       "https://download.savannah.gnu.org/releases/nyacc/nyacc-1.00.2.tar.gz"],
-                       output=["mes-0.24.tar.gz", "nyacc-1.00.2.tar.gz"])
-
-        # tcc 0.9.26 patched by janneke
-        self.get_file("https://lilypond.org/janneke/tcc/tcc-0.9.26-1136-g5bba73cc.tar.gz", output="tcc-0.9.26.tar.gz")
-
-        # make 3.80
-        self.get_file("https://mirrors.kernel.org/gnu/make/make-3.80.tar.gz")
-
-        # gzip 1.2.4
-        self.get_file("https://mirrors.kernel.org/gnu/gzip/gzip-1.2.4.tar.gz")
-
-        # tar 1.12
-        self.get_file("https://mirrors.kernel.org/gnu/tar/tar-1.12.tar.gz")
-
-        # sed 4.0.9
-        self.get_file("https://mirrors.kernel.org/gnu/sed/sed-4.0.9.tar.gz")
-
-        # patch 2.5.9
-        self.get_file("https://mirrors.kernel.org/gnu/patch/patch-2.5.9.tar.gz")
-
-        # bzip2 1.0.8
-        self.get_file("https://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz")
-
-        # tcc 0.9.27
-        self.get_file("https://download.savannah.gnu.org/releases/tinycc/tcc-0.9.27.tar.bz2")
-
-        # coreutils 5.0
-        self.get_file("https://mirrors.kernel.org/gnu/coreutils/coreutils-5.0.tar.bz2")
-
-        # heirloom-devtools
-        self.get_file("http://downloads.sourceforge.net/project/heirloom/heirloom-devtools/070527/heirloom-devtools-070527.tar.bz2")
-
-        # bash 2.05b
-        self.get_file("https://mirrors.kernel.org/gnu/bash/bash-2.05b.tar.gz")
-
-        # flex 2.5.11
-        self.get_file("http://download.nust.na/pub2/openpkg1/sources/DST/flex/flex-2.5.11.tar.gz")
-
-        # musl 1.1.24
-        self.get_file("https://musl.libc.org/releases/musl-1.1.24.tar.gz")
-
-        # m4 1.4.7
-        self.get_file("https://mirrors.kernel.org/gnu/m4/m4-1.4.7.tar.gz")
-
-        # flex 2.6.4
-        self.get_file("https://github.com/westes/flex/releases/download/v2.6.4/flex-2.6.4.tar.gz")
-
-        # bison 3.4.1
-        self.get_file("https://mirrors.kernel.org/gnu/bison/bison-3.4.1.tar.gz")
-
-        # grep 2.4
-        self.get_file("https://mirrors.kernel.org/gnu/grep/grep-2.4.tar.gz")
-
-        # diffutils 2.7
-        self.get_file("https://mirrors.kernel.org/gnu/diffutils/diffutils-2.7.tar.gz")
-
-        # coreutils 6.10
-        self.get_file("https://mirrors.kernel.org/gnu/coreutils/coreutils-6.10.tar.gz")
-
-        # gawk 3.0.4
-        self.get_file("https://mirrors.kernel.org/gnu/gawk/gawk-3.0.4.tar.gz")
-
-        # perl 5.000
-        self.get_file("https://github.com/Perl/perl5/archive/perl-5.000.tar.gz")
-
-        # perl 5.003
-        self.get_file("https://github.com/Perl/perl5/archive/perl-5.003.tar.gz")
-
-        # perl 5.004_05
-        self.get_file("https://www.cpan.org/src/5.0/perl5.004_05.tar.gz",
-                output="perl5.004-05.tar.gz")
-
-        # perl 5.005_03
-        self.get_file("https://www.cpan.org/src/5.0/perl5.005_03.tar.gz",
-                output="perl5.005-03.tar.gz")
-
-        # perl 5.6.2
-        self.get_file("https://www.cpan.org/src/5.0/perl-5.6.2.tar.gz")
-
-        # autoconf 2.52
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.52.tar.bz2")
-
-        # automake 1.6.3
-        self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.6.3.tar.bz2")
-
-        # automake 1.4-p6
-        self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.4-p6.tar.gz")
-
-        # autoconf 2.13
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.13.tar.gz")
-
-        # autoconf 2.12
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.12.tar.gz")
-
-        # libtool 1.4
-        self.get_file("https://mirrors.kernel.org/gnu/libtool/libtool-1.4.tar.gz")
-
-        # binutils 2.14
-        self.get_file("https://mirrors.kernel.org/gnu/binutils/binutils-2.14.tar.bz2")
-
-        # autoconf 2.53
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.53.tar.bz2")
-
-        # automake 1.7
-        self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.7.tar.bz2")
-
-        # autoconf 2.54
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.54.tar.bz2")
-
-        # autoconf 2.55
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.55.tar.bz2")
-
-        # automake 1.7.8
-        self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.7.8.tar.bz2")
-
-        # autoconf 2.57
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.57.tar.bz2")
-
-        # autoconf 2.59
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.59.tar.bz2")
-
-        # automake 1.8.5
-        self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.8.5.tar.bz2")
-
-        # help2man 1.36.4
-        self.get_file("https://mirrors.kernel.org/gnu/help2man/help2man-1.36.4.tar.gz")
-
-        # autoconf 2.61
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.61.tar.bz2")
-
-        # automake 1.9.6
-        self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.9.6.tar.bz2")
-
-        # findutils 4.2.33
-        self.get_file(["https://mirrors.kernel.org/gnu/findutils/findutils-4.2.33.tar.gz",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-8e128e.tar.gz"])
-
-        # libtool 2.2.4
-        self.get_file("https://mirrors.kernel.org/gnu/libtool/libtool-2.2.4.tar.bz2")
-
-        # automake 1.10.3
-        self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.10.3.tar.bz2")
-
-        # autoconf 2.64
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.64.tar.bz2")
-
-        # gcc 4.0.4
-        self.get_file(["https://mirrors.kernel.org/gnu/gcc/gcc-4.0.4/gcc-core-4.0.4.tar.bz2",
-                      "https://mirrors.kernel.org/gnu/automake/automake-1.16.3.tar.gz"],
-                      output=["gcc-4.0.4.tar.bz2", "automake-1.16.3.tar.gz"])
-
-        # linux api headers 5.10.41
-        self.get_file("https://mirrors.kernel.org/pub/linux/kernel/v5.x/linux-5.10.41.tar.gz",
-                output="linux-headers-5.10.41.tar.gz")
-
-        # musl 1.2.3
-        self.get_file("https://musl.libc.org/releases/musl-1.2.3.tar.gz")
-
-        # util-linux 2.19.1
-        self.get_file("https://mirrors.kernel.org/pub/linux/utils/util-linux/v2.19/util-linux-2.19.1.tar.gz")
-
-        # curl 7.83.0
-        self.get_file("https://curl.se/download/curl-7.83.0.tar.bz2")
-
-        # e2fsprogs 1.45.7
-        self.get_file(["https://mirrors.edge.kernel.org/pub/linux/kernel/people/tytso/e2fsprogs/v1.45.7/e2fsprogs-1.45.7.tar.gz",
-            "https://www.unicode.org/Public/11.0.0/ucd/CaseFolding.txt",
-            "https://www.unicode.org/Public/11.0.0/ucd/DerivedAge.txt",
-            "https://www.unicode.org/Public/11.0.0/ucd/extracted/DerivedCombiningClass.txt",
-            "https://www.unicode.org/Public/11.0.0/ucd/DerivedCoreProperties.txt",
-            "https://www.unicode.org/Public/11.0.0/ucd/NormalizationCorrections.txt",
-            "https://www.unicode.org/Public/11.0.0/ucd/NormalizationTest.txt",
-            "https://www.unicode.org/Public/11.0.0/ucd/UnicodeData.txt"])
-
-        # dhcpcd 9.4.1
-        self.get_file("https://roy.marples.name/git/dhcpcd/snapshot/dhcpcd-9.4.1.tar.gz")
-
-        # kexec-tools 2.0.22
-        self.get_file("https://github.com/horms/kexec-tools/archive/refs/tags/v2.0.22.tar.gz",
-                output="kexec-tools-2.0.22.tar.gz")
-
-        # kbd 1.15
-        self.get_file("https://mirrors.edge.kernel.org/pub/linux/utils/kbd/kbd-1.15.tar.gz")
-
-        # make 3.82
-        self.get_file("https://mirrors.kernel.org/gnu/make/make-3.82.tar.gz")
-
-        # linux kernel 4.9.10
-        self.get_file(["https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.9.10.tar.gz",
-            "https://linux-libre.fsfla.org/pub/linux-libre/releases/old/gen6/4.9.10-gnu/deblob-4.9"])
diff --git a/sysa/SHA256SUMS.pkgs b/sysa/SHA256SUMS.pkgs
index 699b045..026f9c2 100644
--- a/sysa/SHA256SUMS.pkgs
+++ b/sysa/SHA256SUMS.pkgs
@@ -80,7 +80,7 @@ ffeadd2b9d9e72edb5b15750b50a6c0c47bb90a1cb14ba66732aa733e0209e50  mpfr-4.1.0_0.t
 7f3251ee05aaa38e9803db41104acbfa399873a31591411c3580d181a6461d0c  musl-1.1.24_1.tar.bz2
 9f3d2b47634860cfd5f03fa3346ef9a60a6dab57164ee974578dbb7f4a45e16b  musl-1.1.24_2.tar.bz2
 af949ecc98bdc3b94d0f74e5d38a3c3710712a029ddb6cf9b801390e1d626b3c  musl-1.2.3_0.tar.bz2
-b41fc4618bef304ec05e3350ea04a7b7698765ce1654692b66e367afc4d45ffc  musl-1.2.3_1.x86.xbps
+b6822d7a7184789038b65fa063fd2f1ef2e30fe23ed77b627e96e32cdd8fd594  musl-1.2.3_1.x86.xbps
 df12820e27abfe07c4c27bb2f9abf2e0758b797d5d3036e29d6c57cfb5aa12d6  openssl-1.1.1l_0.tar.bz2
 189443aecea6e8435d1243071c2e46d7e4bb8f79f2929ae6a6c96eea40394a35  patch-2.7.6_0.x86.xbps
 75fffc4bb14f14281bc1853455888d1d818b7027efc1e4014af1a755771a64e8  perl-5.000_0.tar.bz2
diff --git a/sysa/SHA256SUMS.sources b/sysa/SHA256SUMS.sources
deleted file mode 100644
index 06276f7..0000000
--- a/sysa/SHA256SUMS.sources
+++ /dev/null
@@ -1,70 +0,0 @@
-66fde474e124e80c843560041cd68820c9dce56e696f388312ba30361a814a16  autoconf-2.12.tar.gz
-f0611136bee505811e9ca11ca7ac188ef5323a8e2ef19cffd3edb3cf08fd791e  autoconf-2.13.tar.gz
-4681bcbb9c9298c506f6405a7deb62c54fc3b339d3239a8f36a5df83daaec94f  autoconf-2.52.tar.bz2
-6b217a064c6d06603d50a3ad05129aef9435367810c10894210b8dad965d2306  autoconf-2.53.tar.bz2
-a74aea954f36c7beeb6cc47b96a408c3e04e7ad635f614e65250dbcd8ec0bd28  autoconf-2.54.tar.bz2
-f757158a04889b265203eecd8ca92568e2a67c3b9062fa6bff7a0a6efd2244ac  autoconf-2.55.tar.bz2
-e1035aa2c21fae2a934d1ab56c774ce9d22717881dab8a1a5b16d294fb793489  autoconf-2.57.tar.bz2
-f0cde70a8f135098a6a3e85869f2e1cc3f141beea766fa3d6636e086cd8b90a7  autoconf-2.59.tar.bz2
-93a2ceab963618b021db153f0c881a2de82455c1dc7422be436fcd5c554085a1  autoconf-2.61.tar.bz2
-872f4cadf12e7e7c8a2414e047fdff26b517c7f1a977d72433c124d0d3acaa85  autoconf-2.64.tar.bz2
-e98ab43bb839c31696a4202e5b6ff388b391659ef2387cf9365019fad17e1adc  automake-1.10.3.tar.bz2
-ce010788b51f64511a1e9bb2a1ec626037c6d0e7ede32c1c103611b9d3cba65f  automake-1.16.3.tar.gz
-503cdc2b0992a4309545d17f462cb15f99bb57b7161dfc4082b2e7188f2bcc0f  automake-1.4-p6.tar.gz
-0dbafacaf21e135cab35d357a14bdcd981d2f2d00e1387801be8091a31b7bb81  automake-1.6.3.tar.bz2
-2dddc3b51506e702647ccc6757e15c05323fa67245d2d53e81ed36a832f9be42  automake-1.7.8.tar.bz2
-6633ee1202375e3c8798a92e1b7f46894f78d541aeea7f49654503fdc0b28835  automake-1.7.tar.bz2
-84c93aaa3c3651a9e7474b721b0e6788318592509e7de604bafe4ea8049dc410  automake-1.8.5.tar.bz2
-8eccaa98e1863d10e4a5f861d8e2ec349a23e88cb12ad10f6b6f79022ad2bb8d  automake-1.9.6.tar.bz2
-ba03d412998cc54bd0b0f2d6c32100967d3137098affdc2d32e6e7c11b163fe4  bash-2.05b.tar.gz
-e20bdd49a0fb317959b410c1fe81269a620ec21207045d8a37cadea621be4b59  binutils-2.14.tar.bz2
-7007fc89c216fbfaff5525359b02a7e5b612694df5168c74673f67055f015095  bison-3.4.1.tar.gz
-ab5a03176ee106d3f0fa90e381da478ddae405918153cca248e682cd0c4a2269  bzip2-1.0.8.tar.gz
-64f117a4749dd4a1b6c54277f63f6cf1e0eb45d290cbedaf777fbe71b8880885  CaseFolding.txt
-c25b36b8af6e0ad2a875daf4d6196bd0df28a62be7dd252e5f99a4d5d7288d95  coreutils-5.0.tar.bz2
-1d013547889f20576460249c4210632d5314531c8477378a2e046b13a8ebeb7e  coreutils-6.10.tar.gz
-247c7ec7521c4258e65634e529270d214fe32969971cccb72845e7aa46831f96  curl-7.83.0.tar.bz2
-af4214b851928a53ef470ed8729122b9db910a6c0769d5d46a5de0b3e96f74f3  deblob-4.9
-eb115a5de9a32c9ad447d6ea1cddcadb53d47f6cbc2521f3fe0bebb040c39866  DerivedAge.txt
-11c8bd81ecbede4d67c7b5b693a471647d5401956707c639ae053b836cc7f5da  DerivedCombiningClass.txt
-3406825d64564bf2a37031c36a3e0f99d708aa17595b81f8b539d0f3d1a3923f  DerivedCoreProperties.txt
-adc30f140fbd0dc7f61ff9cf99da7eedfd484a26a8dafdcc9a0cd859e2199b5a  dhcpcd-9.4.1.tar.gz
-d5f2489c4056a31528e3ada4adacc23d498532b0af1a980f2f76158162b139d6  diffutils-2.7.tar.gz
-340e9de42a12d0c26dd7527e9ef055ac85586de5c61f6273ae19f88d04e55804  e2fsprogs-1.45.7.tar.gz
-813cd9405aceec5cfecbe96400d01e90ddad7b512d3034487176ce5258ab0f78  findutils-4.2.33.tar.gz
-bc79b890f35ca38d66ff89a6e3758226131e51ccbd10ef78d5ff150b7bd73689  flex-2.5.11.tar.gz
-e87aae032bf07c26f85ac0ed3250998c37621d95f8bd748b31f15b33c45ee995  flex-2.6.4.tar.gz
-5cc35def1ff4375a8b9a98c2ff79e95e80987d24f0d42fdbb7b7039b3ddb3fb0  gawk-3.0.4.tar.gz
-e9bf58c761a4f988311aef6b41f12fd5c7e51d09477468fb73826aecc1be32e7  gcc-4.0.4.tar.bz2
-0cfbf866bc39c31f25fa0e56af1e56c5e5c92fc1e5d51242ebafef7ea211f3d5  gnulib-8e128e.tar.gz
-a32032bab36208509466654df12f507600dfe0313feebbcd218c32a70bf72a16  grep-2.4.tar.gz
-1ca41818a23c9c59ef1d5e1d00c0d5eaa2285d931c0fb059637d7c0cc02ad967  gzip-1.2.4.tar.gz
-9f233d8b78e4351fe9dd2d50d83958a0e5af36f54e9818521458a08e058691ba  heirloom-devtools-070527.tar.bz2
-a4adadf76b496a6bc50795702253ecfcb6f0d159b68038f31a5362009340bca2  help2man-1.36.4.tar.gz
-203c93e004ac7ad0e50423ff54d89e40fa99f45b207b2b892a4d70211feebe05  kbd-1.15.tar.gz
-af618de7848142f204b57811f703de3ae7aa3f5bc5d52226db35800fa8fc4dff  kexec-tools-2.0.22.tar.gz
-8e8ce6175d435e7df8c9bbb0e5fd5357691cdc28c1a2d00fdd9b47b7643bec3a  libtool-1.4.tar.gz
-c4e63399b12f5858d11c44cea8e92f21cd564f8548e488dadc84046b424c80fc  libtool-2.2.4.tar.bz2
-97ff15f9550c6e85c25173b3cf5c7e89a2d39fb923112f2c8bc2729cf64bf6d8  linux-4.9.10.tar.gz
-84d2079a20ba32f5e2d5bc79a5dcb1de94d0176c67d75d5a20d533ea6c90d691  linux-headers-5.10.41.tar.gz
-093c993767f563a11e41c1cf887f4e9065247129679d4c1e213d0544d16d8303  m4-1.4.7.tar.gz
-64b30b41fde2ebf669e6af489883fb1df6a06ac30555a96cfa3c39ecce7267dd  make-3.80.tar.gz
-3d991b33e604187c5881a0abc2e102d5b9776da5569640e73778f85d617242e7  make-3.82.tar.gz
-e56c9463ae649d5863df3526e0af631894e0f01cdbb02a46d0db415518450dc9  mes-0.24.tar.gz
-1370c9a812b2cf2a7d92802510cca0058cc37e66a7bedd70051f0a34015022a3  musl-1.1.24.tar.gz
-7d5b0b6062521e4627e099e4c9dc8248d32a30285e959b7eecaa780cf8cfd4a4  musl-1.2.3.tar.gz
-c9ffe32e616fa085246644c2351c525788fac363872491185dab7d5ce69fefa9  NormalizationCorrections.txt
-0fdfc17093dd5482f8089cb11dcd936abdba34c4c9c324e5b8a4e5d8f943f6d3  NormalizationTest.txt
-f36e4fb7dd524dc3f4b354d3d5313f69e7ce5a6ae93711e8cf6d51eaa8d2b318  nyacc-1.00.2.tar.gz
-ecb5c6469d732bcf01d6ec1afe9e64f1668caba5bfdb103c28d7f537ba3cdb8a  patch-2.5.9.tar.gz
-1ae43c8d2983404b9eec61c96e3ffa27e7b07e08215c95c015a4ab0095373ef3  perl-5.000.tar.gz
-9fa29beb2fc4a3c373829fc051830796de301f32a719d0b52a400d1719bbd7b1  perl-5.003.tar.gz
-1184478b298978b164a383ed5661e3a117c48ab97d6d0ab7ef614cdbe918b9eb  perl5.004-05.tar.gz
-93f41cd87ab8ee83391cfa39a63b076adeb7c3501d2efa31b98d0ef037122bd1  perl5.005-03.tar.gz
-a5e66f6ebf701b0567f569f57cae82abf5ce57af70a2b45ae71323b61f49134e  perl-5.6.2.tar.gz
-c365874794187f8444e5d22998cd5888ffa47f36def4b77517a808dec27c0600  sed-4.0.9.tar.gz
-c6c37e888b136ccefab903c51149f4b7bd659d69d4aea21245f61053a57aa60a  tar-1.12.tar.gz
-23cacd448cff2baf6ed76c2d1e2d654ff4e557046e311dfb6be7e1c631014ef8  tcc-0.9.26.tar.gz
-de23af78fca90ce32dff2dd45b3432b2334740bb9bb7b05bf60fdbfc396ceb9c  tcc-0.9.27.tar.bz2
-4997a3196eb79b4d0d6b8384560f6aeb46a062693f0abd5ba736abbff7976099  UnicodeData.txt
-f694bee56099b8d72c3843d97e27f2306aa9946741e34a27391f6f6f19c7bcd0  util-linux-2.19.1.tar.gz
diff --git a/sysa/after.kaem b/sysa/after.kaem
index fd72235..f60b7ae 100755
--- a/sysa/after.kaem
+++ b/sysa/after.kaem
@@ -62,10 +62,6 @@ chmod 755 ${bindir}/rm
 
 PATH=${bindir}
 
-# Check packages
-cd ${distfiles}
-sha256sum -c ../SHA256SUMS.sources
-
 cd ${sysa}
 
 catm run2.kaem bootstrap.cfg run.kaem
diff --git a/sysa/autoconf-2.12/sources b/sysa/autoconf-2.12/sources
new file mode 100644
index 0000000..7fbdac2
--- /dev/null
+++ b/sysa/autoconf-2.12/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/autoconf/autoconf-2.12.tar.gz 66fde474e124e80c843560041cd68820c9dce56e696f388312ba30361a814a16
diff --git a/sysa/autoconf-2.13/sources b/sysa/autoconf-2.13/sources
new file mode 100644
index 0000000..6390c43
--- /dev/null
+++ b/sysa/autoconf-2.13/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/autoconf/autoconf-2.13.tar.gz f0611136bee505811e9ca11ca7ac188ef5323a8e2ef19cffd3edb3cf08fd791e
diff --git a/sysa/autoconf-2.52/sources b/sysa/autoconf-2.52/sources
new file mode 100644
index 0000000..27bc633
--- /dev/null
+++ b/sysa/autoconf-2.52/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/autoconf/autoconf-2.52.tar.bz2 4681bcbb9c9298c506f6405a7deb62c54fc3b339d3239a8f36a5df83daaec94f
diff --git a/sysa/autoconf-2.53/sources b/sysa/autoconf-2.53/sources
new file mode 100644
index 0000000..63faf3f
--- /dev/null
+++ b/sysa/autoconf-2.53/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/autoconf/autoconf-2.53.tar.bz2 6b217a064c6d06603d50a3ad05129aef9435367810c10894210b8dad965d2306
diff --git a/sysa/autoconf-2.54/sources b/sysa/autoconf-2.54/sources
new file mode 100644
index 0000000..9efac5d
--- /dev/null
+++ b/sysa/autoconf-2.54/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/autoconf/autoconf-2.54.tar.bz2 a74aea954f36c7beeb6cc47b96a408c3e04e7ad635f614e65250dbcd8ec0bd28
diff --git a/sysa/autoconf-2.55/sources b/sysa/autoconf-2.55/sources
new file mode 100644
index 0000000..abaa79f
--- /dev/null
+++ b/sysa/autoconf-2.55/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/autoconf/autoconf-2.55.tar.bz2 f757158a04889b265203eecd8ca92568e2a67c3b9062fa6bff7a0a6efd2244ac
diff --git a/sysa/autoconf-2.57/sources b/sysa/autoconf-2.57/sources
new file mode 100644
index 0000000..6006417
--- /dev/null
+++ b/sysa/autoconf-2.57/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/autoconf/autoconf-2.57.tar.bz2 e1035aa2c21fae2a934d1ab56c774ce9d22717881dab8a1a5b16d294fb793489
diff --git a/sysa/autoconf-2.59/sources b/sysa/autoconf-2.59/sources
new file mode 100644
index 0000000..134a48e
--- /dev/null
+++ b/sysa/autoconf-2.59/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/autoconf/autoconf-2.59.tar.bz2 f0cde70a8f135098a6a3e85869f2e1cc3f141beea766fa3d6636e086cd8b90a7
diff --git a/sysa/autoconf-2.61/sources b/sysa/autoconf-2.61/sources
new file mode 100644
index 0000000..53154f8
--- /dev/null
+++ b/sysa/autoconf-2.61/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/autoconf/autoconf-2.61.tar.bz2 93a2ceab963618b021db153f0c881a2de82455c1dc7422be436fcd5c554085a1
diff --git a/sysa/autoconf-2.64/sources b/sysa/autoconf-2.64/sources
new file mode 100644
index 0000000..e221c8f
--- /dev/null
+++ b/sysa/autoconf-2.64/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/autoconf/autoconf-2.64.tar.bz2 872f4cadf12e7e7c8a2414e047fdff26b517c7f1a977d72433c124d0d3acaa85
diff --git a/sysa/automake-1.10.3/sources b/sysa/automake-1.10.3/sources
new file mode 100644
index 0000000..1e8627e
--- /dev/null
+++ b/sysa/automake-1.10.3/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/automake/automake-1.10.3.tar.bz2 e98ab43bb839c31696a4202e5b6ff388b391659ef2387cf9365019fad17e1adc
diff --git a/sysa/automake-1.4-p6/sources b/sysa/automake-1.4-p6/sources
new file mode 100644
index 0000000..2484d76
--- /dev/null
+++ b/sysa/automake-1.4-p6/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/automake/automake-1.4-p6.tar.gz 503cdc2b0992a4309545d17f462cb15f99bb57b7161dfc4082b2e7188f2bcc0f
diff --git a/sysa/automake-1.6.3/sources b/sysa/automake-1.6.3/sources
new file mode 100644
index 0000000..3c6f141
--- /dev/null
+++ b/sysa/automake-1.6.3/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/automake/automake-1.6.3.tar.bz2 0dbafacaf21e135cab35d357a14bdcd981d2f2d00e1387801be8091a31b7bb81
diff --git a/sysa/automake-1.7.8/sources b/sysa/automake-1.7.8/sources
new file mode 100644
index 0000000..ea3306f
--- /dev/null
+++ b/sysa/automake-1.7.8/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/automake/automake-1.7.8.tar.bz2 2dddc3b51506e702647ccc6757e15c05323fa67245d2d53e81ed36a832f9be42
diff --git a/sysa/automake-1.7/sources b/sysa/automake-1.7/sources
new file mode 100644
index 0000000..69183ac
--- /dev/null
+++ b/sysa/automake-1.7/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/automake/automake-1.7.tar.bz2 6633ee1202375e3c8798a92e1b7f46894f78d541aeea7f49654503fdc0b28835
diff --git a/sysa/automake-1.8.5/sources b/sysa/automake-1.8.5/sources
new file mode 100644
index 0000000..94dcbef
--- /dev/null
+++ b/sysa/automake-1.8.5/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/automake/automake-1.8.5.tar.bz2 84c93aaa3c3651a9e7474b721b0e6788318592509e7de604bafe4ea8049dc410
diff --git a/sysa/automake-1.9.6/sources b/sysa/automake-1.9.6/sources
new file mode 100644
index 0000000..f977038
--- /dev/null
+++ b/sysa/automake-1.9.6/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/automake/automake-1.9.6.tar.bz2 8eccaa98e1863d10e4a5f861d8e2ec349a23e88cb12ad10f6b6f79022ad2bb8d
diff --git a/sysa/bash-2.05b/bash-2.05b.kaem b/sysa/bash-2.05b/bash-2.05b.kaem
index b883f9d..f7112a3 100755
--- a/sysa/bash-2.05b/bash-2.05b.kaem
+++ b/sysa/bash-2.05b/bash-2.05b.kaem
@@ -8,6 +8,10 @@
 
 set -ex
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 mkdir build src
 cd build
 
diff --git a/sysa/bash-2.05b/sources b/sysa/bash-2.05b/sources
new file mode 100644
index 0000000..3ef3ecb
--- /dev/null
+++ b/sysa/bash-2.05b/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/bash/bash-2.05b.tar.gz ba03d412998cc54bd0b0f2d6c32100967d3137098affdc2d32e6e7c11b163fe4
diff --git a/sysa/binutils-2.14/sources b/sysa/binutils-2.14/sources
new file mode 100644
index 0000000..e26a532
--- /dev/null
+++ b/sysa/binutils-2.14/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/binutils/binutils-2.14.tar.bz2 e20bdd49a0fb317959b410c1fe81269a620ec21207045d8a37cadea621be4b59
diff --git a/sysa/bison-3.4.1/sources b/sysa/bison-3.4.1/sources
new file mode 100644
index 0000000..085cddb
--- /dev/null
+++ b/sysa/bison-3.4.1/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/bison/bison-3.4.1.tar.gz 7007fc89c216fbfaff5525359b02a7e5b612694df5168c74673f67055f015095
diff --git a/sysa/bzip2-1.0.8/bzip2-1.0.8.kaem b/sysa/bzip2-1.0.8/bzip2-1.0.8.kaem
index ef295cc..b53e059 100755
--- a/sysa/bzip2-1.0.8/bzip2-1.0.8.kaem
+++ b/sysa/bzip2-1.0.8/bzip2-1.0.8.kaem
@@ -7,6 +7,10 @@
 
 set -ex
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 mkdir build src
 cd build 
 
diff --git a/sysa/bzip2-1.0.8/sources b/sysa/bzip2-1.0.8/sources
new file mode 100644
index 0000000..22f0659
--- /dev/null
+++ b/sysa/bzip2-1.0.8/sources
@@ -0,0 +1 @@
+https://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz ab5a03176ee106d3f0fa90e381da478ddae405918153cca248e682cd0c4a2269
diff --git a/sysa/checksum-transcriber.c b/sysa/checksum-transcriber.c
index bbb3179..a59095e 100644
--- a/sysa/checksum-transcriber.c
+++ b/sysa/checksum-transcriber.c
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2022 fosslinux <fosslinux@aussies.space>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
diff --git a/sysa/coreutils-5.0/coreutils-5.0.kaem b/sysa/coreutils-5.0/coreutils-5.0.kaem
index 7091729..98ac191 100755
--- a/sysa/coreutils-5.0/coreutils-5.0.kaem
+++ b/sysa/coreutils-5.0/coreutils-5.0.kaem
@@ -8,6 +8,10 @@
 
 set -ex
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 mkdir build src
 cd build
 
diff --git a/sysa/coreutils-5.0/sources b/sysa/coreutils-5.0/sources
new file mode 100644
index 0000000..95321b3
--- /dev/null
+++ b/sysa/coreutils-5.0/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/coreutils/coreutils-5.0.tar.bz2 c25b36b8af6e0ad2a875daf4d6196bd0df28a62be7dd252e5f99a4d5d7288d95
diff --git a/sysa/coreutils-6.10/sources b/sysa/coreutils-6.10/sources
new file mode 100644
index 0000000..292dc56
--- /dev/null
+++ b/sysa/coreutils-6.10/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/coreutils/coreutils-6.10.tar.gz 1d013547889f20576460249c4210632d5314531c8477378a2e046b13a8ebeb7e
diff --git a/sysa/curl-7.83.0/sources b/sysa/curl-7.83.0/sources
new file mode 100644
index 0000000..bd1fa49
--- /dev/null
+++ b/sysa/curl-7.83.0/sources
@@ -0,0 +1 @@
+https://curl.se/download/curl-7.83.0.tar.bz2 247c7ec7521c4258e65634e529270d214fe32969971cccb72845e7aa46831f96
diff --git a/sysa/dhcpcd-9.4.1/sources b/sysa/dhcpcd-9.4.1/sources
new file mode 100644
index 0000000..1d53dff
--- /dev/null
+++ b/sysa/dhcpcd-9.4.1/sources
@@ -0,0 +1 @@
+https://roy.marples.name/git/dhcpcd/snapshot/dhcpcd-9.4.1.tar.gz adc30f140fbd0dc7f61ff9cf99da7eedfd484a26a8dafdcc9a0cd859e2199b5a
diff --git a/sysa/diffutils-2.7/sources b/sysa/diffutils-2.7/sources
new file mode 100644
index 0000000..960ac12
--- /dev/null
+++ b/sysa/diffutils-2.7/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/diffutils/diffutils-2.7.tar.gz d5f2489c4056a31528e3ada4adacc23d498532b0af1a980f2f76158162b139d6
diff --git a/sysa/e2fsprogs-1.45.7/e2fsprogs-1.45.7.sh b/sysa/e2fsprogs-1.45.7/e2fsprogs-1.45.7.sh
index 964d53e..bba1acd 100755
--- a/sysa/e2fsprogs-1.45.7/e2fsprogs-1.45.7.sh
+++ b/sysa/e2fsprogs-1.45.7/e2fsprogs-1.45.7.sh
@@ -2,16 +2,12 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-src_unpack() {
-    default
-
-    # Get remaining utf files
-    cp ${DISTFILES}/*.txt ${pkg}/
-}
-
 src_prepare() {
     default
 
+    # Get UTF txt files
+    cp ../*.txt .
+
     # Rebuild libtool files
     rm config/config.guess config/config.sub config/ltmain.sh
     libtoolize -i
diff --git a/sysa/e2fsprogs-1.45.7/sources b/sysa/e2fsprogs-1.45.7/sources
new file mode 100644
index 0000000..bffb86b
--- /dev/null
+++ b/sysa/e2fsprogs-1.45.7/sources
@@ -0,0 +1,8 @@
+https://mirrors.edge.kernel.org/pub/linux/kernel/people/tytso/e2fsprogs/v1.45.7/e2fsprogs-1.45.7.tar.gz 340e9de42a12d0c26dd7527e9ef055ac85586de5c61f6273ae19f88d04e55804
+https://www.unicode.org/Public/11.0.0/ucd/CaseFolding.txt 64f117a4749dd4a1b6c54277f63f6cf1e0eb45d290cbedaf777fbe71b8880885
+https://www.unicode.org/Public/11.0.0/ucd/DerivedAge.txt eb115a5de9a32c9ad447d6ea1cddcadb53d47f6cbc2521f3fe0bebb040c39866
+https://www.unicode.org/Public/11.0.0/ucd/extracted/DerivedCombiningClass.txt 11c8bd81ecbede4d67c7b5b693a471647d5401956707c639ae053b836cc7f5da
+https://www.unicode.org/Public/11.0.0/ucd/DerivedCoreProperties.txt 3406825d64564bf2a37031c36a3e0f99d708aa17595b81f8b539d0f3d1a3923f
+https://www.unicode.org/Public/11.0.0/ucd/NormalizationCorrections.txt c9ffe32e616fa085246644c2351c525788fac363872491185dab7d5ce69fefa9
+https://www.unicode.org/Public/11.0.0/ucd/NormalizationTest.txt 0fdfc17093dd5482f8089cb11dcd936abdba34c4c9c324e5b8a4e5d8f943f6d3
+https://www.unicode.org/Public/11.0.0/ucd/UnicodeData.txt 4997a3196eb79b4d0d6b8384560f6aeb46a062693f0abd5ba736abbff7976099
diff --git a/sysa/findutils-4.2.33/sources b/sysa/findutils-4.2.33/sources
new file mode 100644
index 0000000..4a8e619
--- /dev/null
+++ b/sysa/findutils-4.2.33/sources
@@ -0,0 +1,2 @@
+https://mirrors.kernel.org/gnu/findutils/findutils-4.2.33.tar.gz 813cd9405aceec5cfecbe96400d01e90ddad7b512d3034487176ce5258ab0f78
+https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-8e128e.tar.gz 0cfbf866bc39c31f25fa0e56af1e56c5e5c92fc1e5d51242ebafef7ea211f3d5
diff --git a/sysa/flex-2.5.11/sources b/sysa/flex-2.5.11/sources
new file mode 100644
index 0000000..19dd879
--- /dev/null
+++ b/sysa/flex-2.5.11/sources
@@ -0,0 +1 @@
+http://download.nust.na/pub2/openpkg1/sources/DST/flex/flex-2.5.11.tar.gz bc79b890f35ca38d66ff89a6e3758226131e51ccbd10ef78d5ff150b7bd73689
diff --git a/sysa/flex-2.6.4/sources b/sysa/flex-2.6.4/sources
new file mode 100644
index 0000000..16a5312
--- /dev/null
+++ b/sysa/flex-2.6.4/sources
@@ -0,0 +1 @@
+https://github.com/westes/flex/releases/download/v2.6.4/flex-2.6.4.tar.gz e87aae032bf07c26f85ac0ed3250998c37621d95f8bd748b31f15b33c45ee995
diff --git a/sysa/gawk-3.0.4/sources b/sysa/gawk-3.0.4/sources
new file mode 100644
index 0000000..a232285
--- /dev/null
+++ b/sysa/gawk-3.0.4/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/gawk/gawk-3.0.4.tar.gz 5cc35def1ff4375a8b9a98c2ff79e95e80987d24f0d42fdbb7b7039b3ddb3fb0
diff --git a/sysa/gcc-4.0.4/sources b/sysa/gcc-4.0.4/sources
new file mode 100644
index 0000000..4ba3400
--- /dev/null
+++ b/sysa/gcc-4.0.4/sources
@@ -0,0 +1,2 @@
+https://mirrors.kernel.org/gnu/gcc/gcc-4.0.4/gcc-core-4.0.4.tar.bz2 e9bf58c761a4f988311aef6b41f12fd5c7e51d09477468fb73826aecc1be32e7
+https://mirrors.kernel.org/gnu/automake/automake-1.16.3.tar.gz ce010788b51f64511a1e9bb2a1ec626037c6d0e7ede32c1c103611b9d3cba65f
diff --git a/sysa/grep-2.4/sources b/sysa/grep-2.4/sources
new file mode 100644
index 0000000..61f817d
--- /dev/null
+++ b/sysa/grep-2.4/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/grep/grep-2.4.tar.gz a32032bab36208509466654df12f507600dfe0313feebbcd218c32a70bf72a16
diff --git a/sysa/gzip-1.2.4/gzip-1.2.4.kaem b/sysa/gzip-1.2.4/gzip-1.2.4.kaem
index 0fe2852..be317ad 100755
--- a/sysa/gzip-1.2.4/gzip-1.2.4.kaem
+++ b/sysa/gzip-1.2.4/gzip-1.2.4.kaem
@@ -8,6 +8,10 @@
 
 set -ex
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 mkdir build src
 cd build
 
diff --git a/sysa/gzip-1.2.4/sources b/sysa/gzip-1.2.4/sources
new file mode 100644
index 0000000..1ace77b
--- /dev/null
+++ b/sysa/gzip-1.2.4/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/gzip/gzip-1.2.4.tar.gz 1ca41818a23c9c59ef1d5e1d00c0d5eaa2285d931c0fb059637d7c0cc02ad967
diff --git a/sysa/heirloom-devtools-070527/heirloom-devtools-070527.kaem b/sysa/heirloom-devtools-070527/heirloom-devtools-070527.kaem
index 1c7848e..a396449 100755
--- a/sysa/heirloom-devtools-070527/heirloom-devtools-070527.kaem
+++ b/sysa/heirloom-devtools-070527/heirloom-devtools-070527.kaem
@@ -7,6 +7,10 @@
 
 set -ex
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 mkdir build src
 cd build
 
diff --git a/sysa/heirloom-devtools-070527/sources b/sysa/heirloom-devtools-070527/sources
new file mode 100644
index 0000000..b666245
--- /dev/null
+++ b/sysa/heirloom-devtools-070527/sources
@@ -0,0 +1 @@
+http://downloads.sourceforge.net/project/heirloom/heirloom-devtools/070527/heirloom-devtools-070527.tar.bz2 9f233d8b78e4351fe9dd2d50d83958a0e5af36f54e9818521458a08e058691ba
diff --git a/sysa/help2man-1.36.4/sources b/sysa/help2man-1.36.4/sources
new file mode 100644
index 0000000..7a607db
--- /dev/null
+++ b/sysa/help2man-1.36.4/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/help2man/help2man-1.36.4.tar.gz a4adadf76b496a6bc50795702253ecfcb6f0d159b68038f31a5362009340bca2
diff --git a/sysa/helpers.sh b/sysa/helpers.sh
index 08f8000..33f3069 100755
--- a/sysa/helpers.sh
+++ b/sysa/helpers.sh
@@ -196,55 +196,94 @@ build() {
     unset -f src_unpack src_prepare src_configure src_compile src_install
 }
 
+interpret_source_line() {
+    url="${1}"
+    checksum="${2}"
+    fname="${3}"
+    # Default to basename of url if not given
+    fname="${fname:-$(basename "${url}")}"
+    if ! [ -e "${fname}" ]; then
+        curl -L "${url}" --output "${fname}"
+    fi
+    echo "${checksum}  ${fname}" | sha256sum -c
+}
+
 # Default get function that downloads source tarballs.
 default_src_get() {
     # shellcheck disable=SC2153
     cd "${DISTFILES}"
-    # shellcheck disable=SC2154
-    if [ -n "${urls}" ] && command -v curl >/dev/null 2>&1; then
-        # shellcheck disable=SC2153
-        for i in ${urls}; do
-            if ! [ -e "$(basename "${i}")" ]; then
-                curl -L "${i}" --output "$(basename "${i}")"
-                grep "$(basename "${i}")" "${SOURCES}/SHA256SUMS.sources" | sha256sum -c
-            fi
-        done
-    fi
+    # shellcheck disable=SC2162
+    while read line; do
+        # This is intentional - we want to split out ${line} into separate arguments.
+        # shellcheck disable=SC2086
+        interpret_source_line ${line}
+    done < "${base_dir}/sources"
     cd -
 }
 
-# Default unpacking function that unpacks all source tarballs.
-default_src_unpack() {
-    distfiles="${EXTRA_DISTFILES}"
-    if [ -z "${urls}" ]; then
-        # shellcheck disable=SC2153
-        for f in "${DISTFILES}/${pkg}."*; do
-            distfiles="$(basename "$f") ${distfiles}"
-        done
+# Intelligently extracts a file based upon its filetype.
+extract_file() {
+    f="$(basename "${1}")"
+    if test $# -gt 3; then
+        shift 3
+        extract="$*"
     else
-        for i in ${urls}; do
-            distfiles="$(basename "${i}") ${distfiles}"
-        done
+        extract=
     fi
-
-    # Check for new tar
-    # shellcheck disable=SC2153
-    if test -e "${PREFIX}/libexec/rmt"; then
-        for i in ${distfiles}; do
-            tar --no-same-owner -xf "${DISTFILES}/${i}"
-        done
-    else
-        for i in ${distfiles}; do
-            case "$i" in
-            *.tar.gz) tar -xzf "${DISTFILES}/${i}" ;;
-            *.tar.bz2)
-                # Initial bzip2 built against meslibc has broken pipes
-                bzip2 -dc "${DISTFILES}/${i}" | tar -xf - ;;
-            *.tar.xz)
-                tar -xf "${DISTFILES}/${i}" --use-compress-program=xz ;;
+    # shellcheck disable=SC2154
+    case "${noextract}" in
+        *${f}*)
+            cp "${DISTFILES}/${f}" .
+            ;;
+        *)
+            case "${f}" in
+                *.tar*)
+                    if test -e "${PREFIX}/libexec/rmt"; then
+                        # Again, we want to split out into words.
+                        # shellcheck disable=SC2086
+                        tar --no-same-owner -xf "${DISTFILES}/${f}" -- ${extract}
+                    else
+                        # shellcheck disable=SC2086
+                        case "${f}" in
+                        *.tar.gz) tar -xzf "${DISTFILES}/${f}" -- ${extract} ;;
+                        *.tar.bz2)
+                            # Initial bzip2 built against meslibc has broken pipes
+                            bzip2 -dc "${DISTFILES}/${f}" | tar -xf - -- ${extract} ;;
+                        *.tar.xz)
+                            tar -xf "${DISTFILES}/${f}" --use-compress-program=xz -- ${extract} ;;
+                        esac
+                    fi
+                    ;;
+                *)
+                    cp "${DISTFILES}/${f}" .
+                    ;;
             esac
+            ;;
+    esac
+}
+
+# Default unpacking function that unpacks all sources.
+default_src_unpack() {
+    # Handle the first one differently
+    first_line=$(head -n 1 ../sources)
+    # Again, we want to split out into words.
+    # shellcheck disable=SC2086
+    extract_file ${first_line}
+    # This assumes there is only one directory in the tarball
+    # Get the dirname "smartly"
+    if ! [ -e "${dirname}" ]; then
+        for i in *; do
+            if [ -d "${i}" ]; then
+                dirname="${i}"
+                break
+            fi
         done
     fi
+    # shellcheck disable=SC2162
+    tail -n +2 ../sources | while read line; do
+        # shellcheck disable=SC2086
+        extract_file ${line}
+    done
 }
 
 # Default function to prepare source code.
diff --git a/sysa/kbd-1.15/sources b/sysa/kbd-1.15/sources
new file mode 100644
index 0000000..893e29f
--- /dev/null
+++ b/sysa/kbd-1.15/sources
@@ -0,0 +1 @@
+https://mirrors.edge.kernel.org/pub/linux/utils/kbd/kbd-1.15.tar.gz 203c93e004ac7ad0e50423ff54d89e40fa99f45b207b2b892a4d70211feebe05
diff --git a/sysa/kexec-tools-2.0.22/sources b/sysa/kexec-tools-2.0.22/sources
new file mode 100644
index 0000000..06c5dbb
--- /dev/null
+++ b/sysa/kexec-tools-2.0.22/sources
@@ -0,0 +1 @@
+https://github.com/horms/kexec-tools/archive/refs/tags/v2.0.22.tar.gz af618de7848142f204b57811f703de3ae7aa3f5bc5d52226db35800fa8fc4dff
diff --git a/sysa/libtool-1.4/sources b/sysa/libtool-1.4/sources
new file mode 100644
index 0000000..cc66612
--- /dev/null
+++ b/sysa/libtool-1.4/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/libtool/libtool-1.4.tar.gz 8e8ce6175d435e7df8c9bbb0e5fd5357691cdc28c1a2d00fdd9b47b7643bec3a
diff --git a/sysa/libtool-2.2.4/sources b/sysa/libtool-2.2.4/sources
new file mode 100644
index 0000000..0581842
--- /dev/null
+++ b/sysa/libtool-2.2.4/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/libtool/libtool-2.2.4.tar.bz2 c4e63399b12f5858d11c44cea8e92f21cd564f8548e488dadc84046b424c80fc
diff --git a/sysa/linux-4.9.10/sources b/sysa/linux-4.9.10/sources
new file mode 100644
index 0000000..a82afe9
--- /dev/null
+++ b/sysa/linux-4.9.10/sources
@@ -0,0 +1,2 @@
+https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.9.10.tar.gz 97ff15f9550c6e85c25173b3cf5c7e89a2d39fb923112f2c8bc2729cf64bf6d8
+https://linux-libre.fsfla.org/pub/linux-libre/releases/old/gen6/4.9.10-gnu/deblob-4.9 af4214b851928a53ef470ed8729122b9db910a6c0769d5d46a5de0b3e96f74f3
diff --git a/sysa/linux-headers-5.10.41/linux-headers-5.10.41.sh b/sysa/linux-headers-5.10.41/linux-headers-5.10.41.sh
index 3a00a65..fb82482 100755
--- a/sysa/linux-headers-5.10.41/linux-headers-5.10.41.sh
+++ b/sysa/linux-headers-5.10.41/linux-headers-5.10.41.sh
@@ -3,14 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-src_unpack() {
-    tarball="${DISTFILES}/linux-headers-5.10.41.tar.gz"
-    tar -xzf "${tarball}" "${dirname}/scripts"
-    tar -xzf "${tarball}" "${dirname}/include"
-    tar -xzf "${tarball}" "${dirname}/arch/x86/include"
-    tar -xzf "${tarball}" "${dirname}/arch/x86/entry"
-}
-
 src_prepare() {
     default
 
diff --git a/sysa/linux-headers-5.10.41/sources b/sysa/linux-headers-5.10.41/sources
new file mode 100644
index 0000000..c07bd3a
--- /dev/null
+++ b/sysa/linux-headers-5.10.41/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/pub/linux/kernel/v5.x/linux-5.10.41.tar.gz 84d2079a20ba32f5e2d5bc79a5dcb1de94d0176c67d75d5a20d533ea6c90d691 linux-5.10.41.tar.gz linux-5.10.41/scripts linux-5.10.41/include linux-5.10.41/arch/x86/include linux-5.10.41/arch/x86/entry
diff --git a/sysa/m4-1.4.7/sources b/sysa/m4-1.4.7/sources
new file mode 100644
index 0000000..474e294
--- /dev/null
+++ b/sysa/m4-1.4.7/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/m4/m4-1.4.7.tar.gz 093c993767f563a11e41c1cf887f4e9065247129679d4c1e213d0544d16d8303
diff --git a/sysa/make-3.80/make-3.80.kaem b/sysa/make-3.80/make-3.80.kaem
index 8c0882a..f184123 100755
--- a/sysa/make-3.80/make-3.80.kaem
+++ b/sysa/make-3.80/make-3.80.kaem
@@ -6,6 +6,10 @@
 
 set -ex
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 mkdir build src
 cd build 
 
diff --git a/sysa/make-3.80/sources b/sysa/make-3.80/sources
new file mode 100644
index 0000000..1083cc9
--- /dev/null
+++ b/sysa/make-3.80/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/make/make-3.80.tar.gz 64b30b41fde2ebf669e6af489883fb1df6a06ac30555a96cfa3c39ecce7267dd
diff --git a/sysa/make-3.82/sources b/sysa/make-3.82/sources
new file mode 100644
index 0000000..d71ab0d
--- /dev/null
+++ b/sysa/make-3.82/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/make/make-3.82.tar.gz 3d991b33e604187c5881a0abc2e102d5b9776da5569640e73778f85d617242e7
diff --git a/sysa/mes-0.24/mes-0.24.kaem b/sysa/mes-0.24/mes-0.24.kaem
index ac9f643..a831fcb 100755
--- a/sysa/mes-0.24/mes-0.24.kaem
+++ b/sysa/mes-0.24/mes-0.24.kaem
@@ -14,6 +14,10 @@ MES_STACK=6000000
 MES=${bindir}/mes-m2
 libdir=${MES_PREFIX}/lib
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 # Unpack
 mkdir src build
 cd src
diff --git a/sysa/mes-0.24/sources b/sysa/mes-0.24/sources
new file mode 100644
index 0000000..a80ae31
--- /dev/null
+++ b/sysa/mes-0.24/sources
@@ -0,0 +1,2 @@
+http://git.savannah.gnu.org/cgit/mes.git/snapshot/mes-aa5f1533e1736a89e60d2c34c2a0ab3b01f8d037.tar.gz e56c9463ae649d5863df3526e0af631894e0f01cdbb02a46d0db415518450dc9 mes-0.24.tar.gz
+https://download.savannah.gnu.org/releases/nyacc/nyacc-1.00.2.tar.gz f36e4fb7dd524dc3f4b354d3d5313f69e7ce5a6ae93711e8cf6d51eaa8d2b318
diff --git a/sysa/musl-1.1.24/sources b/sysa/musl-1.1.24/sources
new file mode 100644
index 0000000..56231d1
--- /dev/null
+++ b/sysa/musl-1.1.24/sources
@@ -0,0 +1 @@
+https://musl.libc.org/releases/musl-1.1.24.tar.gz 1370c9a812b2cf2a7d92802510cca0058cc37e66a7bedd70051f0a34015022a3
diff --git a/sysa/musl-1.2.3/sources b/sysa/musl-1.2.3/sources
new file mode 100644
index 0000000..0a1cbac
--- /dev/null
+++ b/sysa/musl-1.2.3/sources
@@ -0,0 +1 @@
+https://musl.libc.org/releases/musl-1.2.3.tar.gz 7d5b0b6062521e4627e099e4c9dc8248d32a30285e959b7eecaa780cf8cfd4a4
diff --git a/sysa/patch-2.5.9/patch-2.5.9.kaem b/sysa/patch-2.5.9/patch-2.5.9.kaem
index 4653dd7..1bfd3ae 100755
--- a/sysa/patch-2.5.9/patch-2.5.9.kaem
+++ b/sysa/patch-2.5.9/patch-2.5.9.kaem
@@ -6,6 +6,10 @@
 
 set -ex
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 mkdir build src
 cd build
 
diff --git a/sysa/patch-2.5.9/sources b/sysa/patch-2.5.9/sources
new file mode 100644
index 0000000..0d18d5e
--- /dev/null
+++ b/sysa/patch-2.5.9/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/patch/patch-2.5.9.tar.gz ecb5c6469d732bcf01d6ec1afe9e64f1668caba5bfdb103c28d7f537ba3cdb8a
diff --git a/sysa/perl-5.000/perl-5.000.sh b/sysa/perl-5.000/perl-5.000.sh
index 42a0ef8..5a061f9 100755
--- a/sysa/perl-5.000/perl-5.000.sh
+++ b/sysa/perl-5.000/perl-5.000.sh
@@ -3,12 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-src_unpack() {
-    default
-
-    mv perl5-perl-5.000 perl-5.000
-}
-
 src_prepare() {
     default
 
diff --git a/sysa/perl-5.000/sources b/sysa/perl-5.000/sources
new file mode 100644
index 0000000..30159bf
--- /dev/null
+++ b/sysa/perl-5.000/sources
@@ -0,0 +1 @@
+https://github.com/Perl/perl5/archive/perl-5.000.tar.gz 1ae43c8d2983404b9eec61c96e3ffa27e7b07e08215c95c015a4ab0095373ef3
diff --git a/sysa/perl-5.003/perl-5.003.sh b/sysa/perl-5.003/perl-5.003.sh
index f61e42b..638a18e 100755
--- a/sysa/perl-5.003/perl-5.003.sh
+++ b/sysa/perl-5.003/perl-5.003.sh
@@ -3,12 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-src_unpack() {
-    default
-
-    mv perl5-perl-5.003 perl-5.003
-}
-
 src_prepare() {
     default
 
diff --git a/sysa/perl-5.003/sources b/sysa/perl-5.003/sources
new file mode 100644
index 0000000..d0b9b78
--- /dev/null
+++ b/sysa/perl-5.003/sources
@@ -0,0 +1 @@
+https://github.com/Perl/perl5/archive/perl-5.003.tar.gz 9fa29beb2fc4a3c373829fc051830796de301f32a719d0b52a400d1719bbd7b1
diff --git a/sysa/perl-5.6.2/sources b/sysa/perl-5.6.2/sources
new file mode 100644
index 0000000..dd05855
--- /dev/null
+++ b/sysa/perl-5.6.2/sources
@@ -0,0 +1 @@
+https://www.cpan.org/src/5.0/perl-5.6.2.tar.gz a5e66f6ebf701b0567f569f57cae82abf5ce57af70a2b45ae71323b61f49134e
diff --git a/sysa/perl5.004-05/sources b/sysa/perl5.004-05/sources
new file mode 100644
index 0000000..d9a1f08
--- /dev/null
+++ b/sysa/perl5.004-05/sources
@@ -0,0 +1 @@
+https://www.cpan.org/src/5.0/perl5.004_05.tar.gz 1184478b298978b164a383ed5661e3a117c48ab97d6d0ab7ef614cdbe918b9eb 
diff --git a/sysa/perl5.005-03/sources b/sysa/perl5.005-03/sources
new file mode 100644
index 0000000..5c25a0e
--- /dev/null
+++ b/sysa/perl5.005-03/sources
@@ -0,0 +1 @@
+https://www.cpan.org/src/5.0/perl5.005_03.tar.gz 93f41cd87ab8ee83391cfa39a63b076adeb7c3501d2efa31b98d0ef037122bd1
diff --git a/sysa/sed-4.0.9/sed-4.0.9.kaem b/sysa/sed-4.0.9/sed-4.0.9.kaem
index 4ba79d4..707d1e2 100755
--- a/sysa/sed-4.0.9/sed-4.0.9.kaem
+++ b/sysa/sed-4.0.9/sed-4.0.9.kaem
@@ -8,6 +8,10 @@
 
 set -ex
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 mkdir build src
 cd build
 
diff --git a/sysa/sed-4.0.9/sources b/sysa/sed-4.0.9/sources
new file mode 100644
index 0000000..963384e
--- /dev/null
+++ b/sysa/sed-4.0.9/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/sed/sed-4.0.9.tar.gz c365874794187f8444e5d22998cd5888ffa47f36def4b77517a808dec27c0600
diff --git a/sysa/tar-1.12/sources b/sysa/tar-1.12/sources
new file mode 100644
index 0000000..5e58e56
--- /dev/null
+++ b/sysa/tar-1.12/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/tar/tar-1.12.tar.gz c6c37e888b136ccefab903c51149f4b7bd659d69d4aea21245f61053a57aa60a
diff --git a/sysa/tar-1.12/tar-1.12.kaem b/sysa/tar-1.12/tar-1.12.kaem
index 74be5f9..8936fb7 100755
--- a/sysa/tar-1.12/tar-1.12.kaem
+++ b/sysa/tar-1.12/tar-1.12.kaem
@@ -8,6 +8,10 @@
 
 set -ex
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 mkdir build src
 cd build
 
diff --git a/sysa/tcc-0.9.26/sources b/sysa/tcc-0.9.26/sources
new file mode 100644
index 0000000..3d341fb
--- /dev/null
+++ b/sysa/tcc-0.9.26/sources
@@ -0,0 +1 @@
+https://lilypond.org/janneke/tcc/tcc-0.9.26-1136-g5bba73cc.tar.gz 23cacd448cff2baf6ed76c2d1e2d654ff4e557046e311dfb6be7e1c631014ef8 tcc-0.9.26.tar.gz
diff --git a/sysa/tcc-0.9.26/tcc-0.9.26.kaem b/sysa/tcc-0.9.26/tcc-0.9.26.kaem
index 4090bb8..1077a56 100755
--- a/sysa/tcc-0.9.26/tcc-0.9.26.kaem
+++ b/sysa/tcc-0.9.26/tcc-0.9.26.kaem
@@ -17,6 +17,10 @@ MES=${bindir}/mes
 TCC_TAR=tcc-0.9.26
 TCC_PKG=tcc-0.9.26-1136-g5bba73cc
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 # Unpack
 mkdir src build
 
diff --git a/sysa/tcc-0.9.27/sources b/sysa/tcc-0.9.27/sources
new file mode 100644
index 0000000..4bcbaca
--- /dev/null
+++ b/sysa/tcc-0.9.27/sources
@@ -0,0 +1 @@
+https://download.savannah.gnu.org/releases/tinycc/tcc-0.9.27.tar.bz2 de23af78fca90ce32dff2dd45b3432b2334740bb9bb7b05bf60fdbfc396ceb9c
diff --git a/sysa/tcc-0.9.27/tcc-0.9.27.kaem b/sysa/tcc-0.9.27/tcc-0.9.27.kaem
index 7c5dcc4..b97c6da 100755
--- a/sysa/tcc-0.9.27/tcc-0.9.27.kaem
+++ b/sysa/tcc-0.9.27/tcc-0.9.27.kaem
@@ -7,6 +7,10 @@
 
 set -ex
 
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
 mkdir build src
 cd build
 
diff --git a/sysa/util-linux-2.19.1/sources b/sysa/util-linux-2.19.1/sources
new file mode 100644
index 0000000..3aa465b
--- /dev/null
+++ b/sysa/util-linux-2.19.1/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/pub/linux/utils/util-linux/v2.19/util-linux-2.19.1.tar.gz f694bee56099b8d72c3843d97e27f2306aa9946741e34a27391f6f6f19c7bcd0
diff --git a/sysc.py b/sysc.py
index b620252..5bbd87c 100755
--- a/sysc.py
+++ b/sysc.py
@@ -76,156 +76,3 @@ class SysC(SysGeneral):
         # Unmount tmp/mnt if it was mounted
         if create_disk_image and self.external_sources:
             umount(rootfs_dir)
-
-    # pylint: disable=line-too-long,too-many-statements
-    def get_packages(self):
-        """Prepare remaining sources"""
-        # bash 5.1
-        self.get_file("https://mirrors.kernel.org/gnu/bash/bash-5.1.tar.gz")
-
-        # xz 5.0.5
-        self.get_file("https://ixpeering.dl.sourceforge.net/project/lzmautils/xz-5.0.5.tar.bz2")
-
-        # automake 1.11.2
-        self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.11.2.tar.bz2")
-
-        # libtool 2.4.7
-        self.get_file(["https://mirrors.kernel.org/gnu/libtool/libtool-2.4.7.tar.xz",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-a521820.tar.gz"])
-
-        # autoconf 2.69
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.69.tar.xz")
-
-        # automake 1.15.1
-        self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.15.1.tar.xz")
-
-        # tar 1.34
-        self.get_file(["https://mirrors.kernel.org/gnu/tar/tar-1.34.tar.xz",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-30820c.tar.gz"])
-
-        # coreutils 8.32
-        self.get_file(["https://git.savannah.gnu.org/cgit/coreutils.git/snapshot/coreutils-8.32.tar.gz",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-d279bc.tar.gz"])
-
-        # pkg-config 0.29.2
-        self.get_file("http://gentoo.osuosl.org/distfiles/pkg-config-0.29.2.tar.gz")
-
-        # make 4.2.1
-        self.get_file("https://ftp.gnu.org/gnu/make/make-4.2.1.tar.gz")
-
-        # gmp 6.2.1
-        self.get_file("https://mirrors.kernel.org/gnu/gmp/gmp-6.2.1.tar.xz")
-
-        # autoconf archive 2021.02.19
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf-archive/autoconf-archive-2021.02.19.tar.xz")
-
-        # mpfr 4.1.0
-        self.get_file("https://mirrors.kernel.org/gnu/mpfr/mpfr-4.1.0.tar.xz")
-
-        # mpc 1.2.1
-        self.get_file("https://mirrors.kernel.org/gnu/mpc/mpc-1.2.1.tar.gz")
-
-        # flex 2.5.33
-        self.get_file("http://download.nust.na/pub2/openpkg1/sources/DST/flex/flex-2.5.33.tar.gz")
-
-        # bison 2.3
-        self.get_file(["https://mirrors.kernel.org/gnu/bison/bison-2.3.tar.bz2",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-b28236b.tar.gz"])
-
-        # bison 3.4.2
-        self.get_file(["https://mirrors.kernel.org/gnu/bison/bison-3.4.2.tar.xz",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-672663a.tar.gz"])
-
-        # perl 5.10.5
-        self.get_file("https://www.cpan.org/src/5.0/perl-5.10.1.tar.bz2")
-
-        # dist 3.5-236
-        # Debian's version is used because upstream is not to be found (dead?)
-        self.get_file("http://deb.debian.org/debian/pool/main/d/dist/dist_3.5-236.orig.tar.gz")
-
-        # perl 5.32.1
-        self.get_file(["https://www.cpan.org/src/5.0/perl-5.32.1.tar.xz",
-                       "http://deb.debian.org/debian/pool/main/p/perl/perl_5.32.1.orig-regen-configure.tar.gz"])
-
-        # libarchive-3.5.2
-        self.get_file("https://libarchive.org/downloads/libarchive-3.5.2.tar.xz")
-
-        # openssl-1.1.1l
-        self.get_file("https://artfiles.org/openssl.org/source/old/1.1.1/openssl-1.1.1l.tar.gz")
-
-        # curl 7.83.0
-        self.get_file("https://master.dl.sourceforge.net/project/curl.mirror/curl-7_83_0/curl-7.83.0.tar.xz")
-
-        # ca-certificates-3.78
-        self.get_file("https://ftp.mozilla.org/pub/security/nss/releases/NSS_3_78_RTM/src/nss-3.78.tar.gz")
-
-        # xbps 0.59.1
-        self.get_file("https://github.com/void-linux/xbps/archive/refs/tags/0.59.1.tar.gz")
-
-        # autoconf 2.71
-        self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.71.tar.xz")
-
-        # automake 1.16.3
-        self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.16.3.tar.xz")
-
-        # patch 2.7.6
-        self.get_file(["https://mirrors.kernel.org/gnu/patch/patch-2.7.6.tar.xz",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-e017871.tar.gz"])
-
-        # gettext 0.21
-        self.get_file(["https://mirrors.kernel.org/gnu/gettext/gettext-0.21.tar.xz",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-7daa86f.tar.gz"])
-
-        # texinfo 6.7
-        self.get_file(["https://mirrors.kernel.org/gnu/texinfo/texinfo-6.7.tar.xz",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-b81ec69.tar.gz"])
-
-        # zlib 1.2.12
-        self.get_file("https://www.zlib.net/zlib-1.2.12.tar.xz")
-
-        # gcc 4.7.4
-        self.get_file("https://mirrors.kernel.org/gnu/gcc/gcc-4.7.4/gcc-4.7.4.tar.bz2")
-
-        # binutils 2.38
-        self.get_file("https://mirrors.kernel.org/gnu/binutils/binutils-2.38.tar.xz")
-
-        # musl 1.2.3
-        self.get_file("https://musl.libc.org/releases/musl-1.2.3.tar.gz")
-
-        # gperf 3.1
-        self.get_file("https://mirrors.kernel.org/gnu/gperf/gperf-3.1.tar.gz")
-
-        # libunistring 0.9.10
-        self.get_file(["https://mirrors.kernel.org/gnu/libunistring/libunistring-0.9.10.tar.xz",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-52a06cb3.tar.gz"])
-
-        # libffi 3.3
-        self.get_file("https://github.com/libffi/libffi/releases/download/v3.3/libffi-3.3.tar.gz")
-
-        # libatomic_ops 7.6.10
-        self.get_file("https://github.com/ivmai/libatomic_ops/releases/download/v7.6.10/libatomic_ops-7.6.10.tar.gz")
-
-        # boehm-gc 8.0.4
-        self.get_file("https://www.hboehm.info/gc/gc_source/gc-8.0.4.tar.gz")
-
-        # guile 3.0.7
-        self.get_file(["https://mirrors.kernel.org/gnu/guile/guile-3.0.7.tar.xz",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-901694b9.tar.gz",
-                       "https://github.com/schierlm/guile-psyntax-bootstrapping/archive/refs/tags/guile-3.0.7.tar.gz"])
-
-        # which 2.21
-        self.get_file("https://carlowood.github.io/which/which-2.21.tar.gz")
-
-        # grep 3.7
-        self.get_file(["https://mirrors.kernel.org/gnu/grep/grep-3.7.tar.xz",
-                       "https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-8f4538a5.tar.gz"])
-
-        # sed 4.8
-        self.get_file(["https://mirrors.kernel.org/gnu/sed/sed-4.8.tar.xz",
-                       "http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-d279bc.tar.gz"])
-
-        # autogen 5.18.16
-        self.get_file(["https://mirrors.kernel.org/gnu/autogen/rel5.18.16/autogen-5.18.16.tar.xz",
-                       "https://git.savannah.gnu.org/cgit/autogen.git/snapshot/autogen-5.18.16.tar.gz",
-                       "https://github.com/schierlm/gnu-autogen-bootstrapping/archive/refs/tags/autogen-5.18.16-v1.0.tar.gz",
-                       "http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-8f4538a5.tar.gz"])
diff --git a/sysc/SHA256SUMS.sources b/sysc/SHA256SUMS.sources
deleted file mode 100644
index 5c00c52..0000000
--- a/sysc/SHA256SUMS.sources
+++ /dev/null
@@ -1,59 +0,0 @@
-0cbd8d5f23a62047c75974bca21da9f004a94efffd7f37c68562a8dbc869fb2a  0.59.1.tar.gz
-64ebcec9f8ac5b2487125a86a7760d2591ac9e1d3dbd59489633f9de62a57684  autoconf-2.69.tar.xz
-f14c83cfebcc9427f2c3cea7258bd90df972d92eb26752da4ddad81c87a0faa4  autoconf-2.71.tar.xz
-e8a6eb9d28ddcba8ffef3fa211653239e9bf239aba6a01a6b7cfc7ceaec69cbd  autoconf-archive-2021.02.19.tar.xz
-0c04ab2f7ce13c4a1c06c4abc7dfe75312aad89b8b0a1068e5e563787eb56632  autogen-5.18.16.tar.gz
-f8a13466b48faa3ba99fe17a069e71c9ab006d9b1cfabe699f8c60a47d5bb49a  autogen-5.18.16.tar.xz
-98ff63400dff5282017c33e4ec3c93da8a92a5260340da253e59bd6eef18d116  autogen-5.18.16-v1.0.tar.gz
-4f46d1f9380c8a3506280750f630e9fc915cb1a435b724be56b499d016368718  automake-1.11.2.tar.bz2
-af6ba39142220687c500f79b4aa2f181d9b24e4f8d8ec497cea4ba26c64bedaf  automake-1.15.1.tar.xz
-ff2bf7656c4d1c6fdda3b8bebb21f09153a736bcba169aaf65eab25fa113bf3a  automake-1.16.3.tar.xz
-cc012bc860406dcf42f64431bcd3d2fa7560c02915a601aba9cd597a39329baa  bash-5.1.tar.gz
-e316477a914f567eccc34d5d29785b8b0f5a10208d36bbacedcc39048ecfe024  binutils-2.38.tar.xz
-b10d7e9e354be72aee4e4911cf19dd27b5c527d4e7200857365b5fcdeea0dffb  bison-2.3.tar.bz2
-27d05534699735dc69e86add5b808d6cb35900ad3fd63fa82e3eb644336abfa0  bison-3.4.2.tar.xz
-6f7cfc0ac6717afb6ba1f41b0da43a713ba0dd97dec1227e32effc12d79f08c1  coreutils-8.32.tar.gz
-bbff0e6b5047e773f3c3b084d80546cc1be4e354c09e419c2d0ef6116253511a  curl-7.83.0.tar.xz
-05fa4f6ea9f05adf8f577699cb3f5b88b20dfce86b0d0cebbfb072fe5933d38f  dist_3.5-236.orig.tar.gz
-c40385e142989c91989413f3c5a31282b2ffdca16b69cd3ecfde537b8a474921  flex-2.5.33.tar.gz
-436a0ddc67b1ac0b0405b61a9675bca9e075c8156f4debd1d06f3a56c7cd289d  gc-8.0.4.tar.gz
-92e61c6dc3a0a449e62d72a38185fda550168a86702dea07125ebd3ec3996282  gcc-4.7.4.tar.bz2
-d20fcbb537e02dcf1383197ba05bd0734ef7bf5db06bdb241eb69b7d16b73192  gettext-0.21.tar.xz
-fd4829912cddd12f84181c3451cc752be224643e87fac497b69edddadc49b4f2  gmp-6.2.1.tar.xz
-df807e694deea2dcba0c43af318394f3e3fcd52658c3b71b61dad0ce0c0cfb77  gnulib-30820c.tar.gz
-009989b81c0bebc5f6550636ed653fbcb237dafc2af5c706f3522087ca571e4d  gnulib-52a06cb3.tar.gz
-8cced51f89a950472473856f86e88f5daf97a2347756125ccdc8ee907deec570  gnulib-672663a.tar.gz
-2d911c2f2ed97b347d6d360b742abdc98aa626d4f8f847ee682c7cde12e90871  gnulib-7daa86f.tar.gz
-e207c0bb72093c3a72dde302fcfaa1dbda12a62172d47b73565883a92209ebab  gnulib-8f4538a5.tar.gz
-f9aad85de1f41d57c9368d304020ffbf354a5e56db1297f022c3d12181134e56  gnulib-901694b9.tar.gz
-719b399fe09a8f6ca14ba8c4a9a60ce9f93f4892effb50961ef3d8cd1a33ff65  gnulib-a521820.tar.gz
-0190f28cb155fedd22bf8558c3e8705eed9eacfb7ae29e7508d025a68eb90899  gnulib-b28236b.tar.gz
-1aeea67b7b3883ebcf2b90bc01f4182d7de073a052dabd3749f20c5aa4ad3e27  gnulib-b81ec69.tar.gz
-12cfa21abf618a274017d6b18e95fc6582519d7c08e2403e5c5772ccdd5b85f4  gnulib-d279bc.tar.gz
-a285dc300c3d9c25cc06e38827ef40f6073ec3b9b0fcb5bba433f943be92d8d4  gnulib-e017871.tar.gz
-588546b945bba4b70b6a3a616e80b4ab466e3f33024a352fc2198112cdbb3ae2  gperf-3.1.tar.gz
-5c10da312460aec721984d5d83246d24520ec438dd48d7ab5a05dbc0d6d6823c  grep-3.7.tar.xz
-14cda9c416506dfadf60c14fc623ff01ef99b87564a78d0a29c5d17143c97609  guile-3.0.7.tar.gz
-f57d86c70620271bfceb7a9be0c81744a033f08adc7ceba832c9917ab3e691b7  guile-3.0.7.tar.xz
-f0b19ff39c3c9a5898a219497ababbadab99d8178acc980155c7e1271089b5a0  libarchive-3.5.2.tar.xz
-587edf60817f56daf1e1ab38a4b3c729b8e846ff67b4f62a6157183708f099af  libatomic_ops-7.6.10.tar.gz
-72fba7922703ddfa7a028d513ac15a85c8d54c8d67f55fa5a4802885dc652056  libffi-3.3.tar.gz
-4f7f217f057ce655ff22559ad221a0fd8ef84ad1fc5fcb6990cecc333aa1635d  libtool-2.4.7.tar.xz
-eb8fb2c3e4b6e2d336608377050892b54c3c983b646c561836550863003c05d7  libunistring-0.9.10.tar.xz
-e40b8f018c1da64edd1cc9a6fce5fa63b2e707e404e20cad91fbae337c98a5b7  make-4.2.1.tar.gz
-17503d2c395dfcf106b622dc142683c1199431d095367c6aacba6eec30340459  mpc-1.2.1.tar.gz
-0c98a3f1732ff6ca4ea690552079da9c597872d30e96ec28414ee23c95558a7f  mpfr-4.1.0.tar.xz
-7d5b0b6062521e4627e099e4c9dc8248d32a30285e959b7eecaa780cf8cfd4a4  musl-1.2.3.tar.gz
-f455f341e787c1167328e80a84f77b9a557d595066dda6486a1874d72da68800  nss-3.78.tar.gz
-0b7a3e5e59c34827fe0c3a74b7ec8baef302b98fa80088d7f9153aa16fa76bd1  openssl-1.1.1l.tar.gz
-ac610bda97abe0d9f6b7c963255a11dcb196c25e337c61f94e4778d632f1d8fd  patch-2.7.6.tar.xz
-9385f2c8c2ca8b1dc4a7c31903f1f8dc8f2ba867dc2a9e5c93012ed6b564e826  perl-5.10.1.tar.bz2
-1d179b41283f12ad83f9758430f6ddc49bdf20db5c396aeae7e51ebb4e4afd29  perl_5.32.1.orig-regen-configure.tar.gz
-57cc47c735c8300a8ce2fa0643507b44c4ae59012bfdad0121313db639e02309  perl-5.32.1.tar.xz
-6fc69c01688c9458a57eb9a1664c9aba372ccda420a02bf4429fe610e7e7d591  pkg-config-0.29.2.tar.gz
-f79b0cfea71b37a8eeec8490db6c5f7ae7719c35587f21edb0617f370eeff633  sed-4.8.tar.xz
-63bebd26879c5e1eea4352f0d03c991f966aeb3ddeb3c7445c902568d5411d28  tar-1.34.tar.xz
-988403c1542d15ad044600b909997ba3079b10e03224c61188117f3676b02caa  texinfo-6.7.tar.xz
-f4a245b94124b377d8b49646bf421f9155d36aa7614b6ebf83705d3ffc76eaad  which-2.21.tar.gz
-166c48d2842519bc4f96333bff9e265f8cdda44d38e40594ef3f9bbb52890490  xz-5.0.5.tar.bz2
-7db46b8d7726232a621befaab4a1c870f00a90805511c0e0090441dac57def18  zlib-1.2.12.tar.xz
diff --git a/sysc/autoconf-2.69/autoconf-2.69.sh b/sysc/autoconf-2.69/autoconf-2.69.sh
index b66c4a3..2cafa88 100755
--- a/sysc/autoconf-2.69/autoconf-2.69.sh
+++ b/sysc/autoconf-2.69/autoconf-2.69.sh
@@ -3,8 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/autoconf/autoconf-2.69.tar.xz"
-
 src_prepare() {
     rm doc/standards.info man/*.1
     AUTOMAKE=automake-1.11 ACLOCAL=aclocal-1.11 autoreconf-2.64 -f
diff --git a/sysc/autoconf-2.69/sources b/sysc/autoconf-2.69/sources
new file mode 100644
index 0000000..a7ed7bc
--- /dev/null
+++ b/sysc/autoconf-2.69/sources
@@ -0,0 +1 @@
+http://mirrors.kernel.org/gnu/autoconf/autoconf-2.69.tar.xz 64ebcec9f8ac5b2487125a86a7760d2591ac9e1d3dbd59489633f9de62a57684
diff --git a/sysc/autoconf-2.71/autoconf-2.71.sh b/sysc/autoconf-2.71/autoconf-2.71.sh
index 951ca24..f43ac73 100755
--- a/sysc/autoconf-2.71/autoconf-2.71.sh
+++ b/sysc/autoconf-2.71/autoconf-2.71.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/autoconf/autoconf-2.71.tar.xz"
-
 src_prepare() {
     rm doc/standards.info
     autoreconf-2.69 -fi
diff --git a/sysc/autoconf-2.71/sources b/sysc/autoconf-2.71/sources
new file mode 100644
index 0000000..86937b8
--- /dev/null
+++ b/sysc/autoconf-2.71/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/autoconf/autoconf-2.71.tar.xz f14c83cfebcc9427f2c3cea7258bd90df972d92eb26752da4ddad81c87a0faa4
diff --git a/sysc/autoconf-archive-2021.02.19/autoconf-archive-2021.02.19.sh b/sysc/autoconf-archive-2021.02.19/autoconf-archive-2021.02.19.sh
index e8983c5..e68cf4e 100755
--- a/sysc/autoconf-archive-2021.02.19/autoconf-archive-2021.02.19.sh
+++ b/sysc/autoconf-archive-2021.02.19/autoconf-archive-2021.02.19.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/autoconf-archive/autoconf-archive-2021.02.19.tar.xz"
-
 src_prepare() {
     AUTOMAKE=automake-1.15 ACLOCAL=aclocal-1.15 autoreconf-2.69 -fi
 }
diff --git a/sysc/autoconf-archive-2021.02.19/sources b/sysc/autoconf-archive-2021.02.19/sources
new file mode 100644
index 0000000..6130665
--- /dev/null
+++ b/sysc/autoconf-archive-2021.02.19/sources
@@ -0,0 +1 @@
+http://mirrors.kernel.org/gnu/autoconf-archive/autoconf-archive-2021.02.19.tar.xz e8a6eb9d28ddcba8ffef3fa211653239e9bf239aba6a01a6b7cfc7ceaec69cbd
diff --git a/sysc/autogen-5.18.16/autogen-5.18.16.sh b/sysc/autogen-5.18.16/autogen-5.18.16.sh
index 8a66ddb..cb60111 100755
--- a/sysc/autogen-5.18.16/autogen-5.18.16.sh
+++ b/sysc/autogen-5.18.16/autogen-5.18.16.sh
@@ -1,28 +1,15 @@
 # SPDX-FileCopyrightText: 2022 Andrius Štikonas <andrius@stikonas.eu>
+# SPDX-FileCopyrightText: 2022 fosslinux <fosslinux@aussies.space>
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/autogen/rel5.18.16/autogen-5.18.16.tar.xz
- https://git.savannah.gnu.org/cgit/autogen.git/snapshot/autogen-5.18.16.tar.gz
- https://github.com/schierlm/gnu-autogen-bootstrapping/archive/refs/tags/autogen-5.18.16-v1.0.tar.gz
- http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-8f4538a5.tar.gz"
-
-src_unpack() {
-    tar --no-same-owner -xf "${DISTFILES}/autogen-5.18.16-v1.0.tar.gz"
-    tar --no-same-owner -xf "${DISTFILES}/gnulib-8f4538a5.tar.gz"
-    local build_dir=gnu-autogen-bootstrapping-autogen-5.18.16-v1.0/build
-    mkdir -p "${build_dir}"
-    cp "${DISTFILES}/autogen-5.18.16.tar.xz" "${build_dir}"
-    cp "${DISTFILES}/autogen-5.18.16.tar.gz" "${build_dir}"
-    pushd "${build_dir}"
-    tar --no-same-owner -xf autogen-5.18.16.tar.gz
-    mv autogen-5.18.16 src
-    rm -f src/add-on/char-mapper/cm.tar
-    popd
-}
+noextract="autogen-5.18.16.tar.xz"
 
 src_prepare() {
-    :
+    mkdir build
+    mv ../autogen-5.18.16 build/src
+    mv ../autogen-5.18.16.tar.xz build/
+    rm -f build/src/add-on/char-mapper/cm.tar
 }
 
 src_compile() {
diff --git a/sysc/autogen-5.18.16/sources b/sysc/autogen-5.18.16/sources
new file mode 100644
index 0000000..926476f
--- /dev/null
+++ b/sysc/autogen-5.18.16/sources
@@ -0,0 +1,4 @@
+https://github.com/schierlm/gnu-autogen-bootstrapping/archive/refs/tags/autogen-5.18.16-v1.0.tar.gz 98ff63400dff5282017c33e4ec3c93da8a92a5260340da253e59bd6eef18d116
+https://mirrors.kernel.org/gnu/autogen/rel5.18.16/autogen-5.18.16.tar.xz f8a13466b48faa3ba99fe17a069e71c9ab006d9b1cfabe699f8c60a47d5bb49a
+https://git.savannah.gnu.org/cgit/autogen.git/snapshot/autogen-5.18.16.tar.gz 0c04ab2f7ce13c4a1c06c4abc7dfe75312aad89b8b0a1068e5e563787eb56632
+http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-8f4538a5.tar.gz e207c0bb72093c3a72dde302fcfaa1dbda12a62172d47b73565883a92209ebab
diff --git a/sysc/automake-1.11.2/automake-1.11.2.sh b/sysc/automake-1.11.2/automake-1.11.2.sh
index 43739b7..7b75c73 100755
--- a/sysc/automake-1.11.2/automake-1.11.2.sh
+++ b/sysc/automake-1.11.2/automake-1.11.2.sh
@@ -3,8 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/automake/automake-1.11.2.tar.bz2"
-
 src_prepare() {
     default
 
diff --git a/sysc/automake-1.11.2/sources b/sysc/automake-1.11.2/sources
new file mode 100644
index 0000000..4d43fc9
--- /dev/null
+++ b/sysc/automake-1.11.2/sources
@@ -0,0 +1 @@
+http://mirrors.kernel.org/gnu/automake/automake-1.11.2.tar.bz2 4f46d1f9380c8a3506280750f630e9fc915cb1a435b724be56b499d016368718
diff --git a/sysc/automake-1.15.1/automake-1.15.1.sh b/sysc/automake-1.15.1/automake-1.15.1.sh
index 7a452c8..7db35b1 100755
--- a/sysc/automake-1.15.1/automake-1.15.1.sh
+++ b/sysc/automake-1.15.1/automake-1.15.1.sh
@@ -3,8 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/automake/automake-1.15.1.tar.xz"
-
 src_prepare() {
     default
 
diff --git a/sysc/automake-1.15.1/sources b/sysc/automake-1.15.1/sources
new file mode 100644
index 0000000..d90c5d2
--- /dev/null
+++ b/sysc/automake-1.15.1/sources
@@ -0,0 +1 @@
+http://mirrors.kernel.org/gnu/automake/automake-1.15.1.tar.xz af6ba39142220687c500f79b4aa2f181d9b24e4f8d8ec497cea4ba26c64bedaf
diff --git a/sysc/automake-1.16.3/automake-1.16.3.sh b/sysc/automake-1.16.3/automake-1.16.3.sh
index 93f5f8e..1d42116 100755
--- a/sysc/automake-1.16.3/automake-1.16.3.sh
+++ b/sysc/automake-1.16.3/automake-1.16.3.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/automake/automake-1.16.3.tar.xz"
-
 src_prepare() {
     AUTOMAKE=automake-1.15 ACLOCAL=aclocal-1.15 AUTOCONF=autoconf-2.69 AUTOM4TE=autom4te-2.69 ./bootstrap
 
diff --git a/sysc/automake-1.16.3/sources b/sysc/automake-1.16.3/sources
new file mode 100644
index 0000000..2392d3e
--- /dev/null
+++ b/sysc/automake-1.16.3/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/automake/automake-1.16.3.tar.xz ff2bf7656c4d1c6fdda3b8bebb21f09153a736bcba169aaf65eab25fa113bf3a
diff --git a/sysc/bash-5.1/bash-5.1.sh b/sysc/bash-5.1/bash-5.1.sh
index 33f42ba..7c3b3af 100755
--- a/sysc/bash-5.1/bash-5.1.sh
+++ b/sysc/bash-5.1/bash-5.1.sh
@@ -5,8 +5,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/bash/bash-5.1.tar.gz"
-
 src_prepare() {
     # Remove bison generated files
     rm y.tab.c y.tab.h
diff --git a/sysc/bash-5.1/sources b/sysc/bash-5.1/sources
new file mode 100644
index 0000000..9f2c2fd
--- /dev/null
+++ b/sysc/bash-5.1/sources
@@ -0,0 +1 @@
+http://mirrors.kernel.org/gnu/bash/bash-5.1.tar.gz cc012bc860406dcf42f64431bcd3d2fa7560c02915a601aba9cd597a39329baa
diff --git a/sysc/binutils-2.38/binutils-2.38.sh b/sysc/binutils-2.38/binutils-2.38.sh
index 3470e05..beb34b0 100755
--- a/sysc/binutils-2.38/binutils-2.38.sh
+++ b/sysc/binutils-2.38/binutils-2.38.sh
@@ -4,7 +4,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/binutils/binutils-2.38.tar.xz"
 
 src_prepare() {
     default
diff --git a/sysc/binutils-2.38/sources b/sysc/binutils-2.38/sources
new file mode 100644
index 0000000..78c3dab
--- /dev/null
+++ b/sysc/binutils-2.38/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/binutils/binutils-2.38.tar.xz e316477a914f567eccc34d5d29785b8b0f5a10208d36bbacedcc39048ecfe024
diff --git a/sysc/bison-2.3/bison-2.3.sh b/sysc/bison-2.3/bison-2.3.sh
index 7f4ba51..ed75baa 100755
--- a/sysc/bison-2.3/bison-2.3.sh
+++ b/sysc/bison-2.3/bison-2.3.sh
@@ -3,9 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/bison/bison-2.3.tar.bz2
- http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-b28236b.tar.gz"
-
 src_prepare() {
     default
 
diff --git a/sysc/bison-2.3/sources b/sysc/bison-2.3/sources
new file mode 100644
index 0000000..58b266b
--- /dev/null
+++ b/sysc/bison-2.3/sources
@@ -0,0 +1,2 @@
+http://mirrors.kernel.org/gnu/bison/bison-2.3.tar.bz2 b10d7e9e354be72aee4e4911cf19dd27b5c527d4e7200857365b5fcdeea0dffb
+http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-b28236b.tar.gz 0190f28cb155fedd22bf8558c3e8705eed9eacfb7ae29e7508d025a68eb90899
diff --git a/sysc/bison-3.4.2/bison-3.4.2.sh b/sysc/bison-3.4.2/bison-3.4.2.sh
index c8f0764..1fc2267 100755
--- a/sysc/bison-3.4.2/bison-3.4.2.sh
+++ b/sysc/bison-3.4.2/bison-3.4.2.sh
@@ -3,9 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/bison/bison-3.4.2.tar.xz
- http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-672663a.tar.gz"
-
 src_prepare() {
     default
 
diff --git a/sysc/bison-3.4.2/sources b/sysc/bison-3.4.2/sources
new file mode 100644
index 0000000..518b2fd
--- /dev/null
+++ b/sysc/bison-3.4.2/sources
@@ -0,0 +1,2 @@
+http://mirrors.kernel.org/gnu/bison/bison-3.4.2.tar.xz 27d05534699735dc69e86add5b808d6cb35900ad3fd63fa82e3eb644336abfa0
+http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-672663a.tar.gz 8cced51f89a950472473856f86e88f5daf97a2347756125ccdc8ee907deec570
diff --git a/sysc/ca-certificates-3.78/ca-certificates-3.78.sh b/sysc/ca-certificates-3.78/ca-certificates-3.78.sh
index a93c9ee..f34a79b 100755
--- a/sysc/ca-certificates-3.78/ca-certificates-3.78.sh
+++ b/sysc/ca-certificates-3.78/ca-certificates-3.78.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://ftp.mozilla.org/pub/security/nss/releases/NSS_3_78_RTM/src/nss-3.78.tar.gz"
-
 src_compile() {
     cp -a nss/lib/ckfw/builtins/certdata.txt .
     mk-ca-bundle -n -s ALL -m
diff --git a/sysc/ca-certificates-3.78/sources b/sysc/ca-certificates-3.78/sources
new file mode 100644
index 0000000..d396e07
--- /dev/null
+++ b/sysc/ca-certificates-3.78/sources
@@ -0,0 +1 @@
+http://ftp.mozilla.org/pub/security/nss/releases/NSS_3_78_RTM/src/nss-3.78.tar.gz f455f341e787c1167328e80a84f77b9a557d595066dda6486a1874d72da68800
diff --git a/sysc/coreutils-8.32/coreutils-8.32.sh b/sysc/coreutils-8.32/coreutils-8.32.sh
index 064161b..c3588b1 100755
--- a/sysc/coreutils-8.32/coreutils-8.32.sh
+++ b/sysc/coreutils-8.32/coreutils-8.32.sh
@@ -3,9 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://git.savannah.gnu.org/cgit/coreutils.git/snapshot/coreutils-8.32.tar.gz
- http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-d279bc.tar.gz"
-
 regenerate_files() {
     build-aux/gen-lists-of-programs.sh --autoconf > m4/cu-progs.m4
     build-aux/gen-lists-of-programs.sh --automake > src/cu-progs.mk
diff --git a/sysc/coreutils-8.32/sources b/sysc/coreutils-8.32/sources
new file mode 100644
index 0000000..689901e
--- /dev/null
+++ b/sysc/coreutils-8.32/sources
@@ -0,0 +1,2 @@
+http://git.savannah.gnu.org/cgit/coreutils.git/snapshot/coreutils-8.32.tar.gz 6f7cfc0ac6717afb6ba1f41b0da43a713ba0dd97dec1227e32effc12d79f08c1
+http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-d279bc.tar.gz 12cfa21abf618a274017d6b18e95fc6582519d7c08e2403e5c5772ccdd5b85f4
diff --git a/sysc/curl-7.83.0/curl-7.83.0.sh b/sysc/curl-7.83.0/curl-7.83.0.sh
index 35df84f..40589db 100755
--- a/sysc/curl-7.83.0/curl-7.83.0.sh
+++ b/sysc/curl-7.83.0/curl-7.83.0.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://master.dl.sourceforge.net/project/curl.mirror/curl-7_83_0/curl-7.83.0.tar.xz"
-
 src_prepare() {
     default
 
diff --git a/sysc/curl-7.83.0/sources b/sysc/curl-7.83.0/sources
new file mode 100644
index 0000000..52fd227
--- /dev/null
+++ b/sysc/curl-7.83.0/sources
@@ -0,0 +1 @@
+http://master.dl.sourceforge.net/project/curl.mirror/curl-7_83_0/curl-7.83.0.tar.xz bbff0e6b5047e773f3c3b084d80546cc1be4e354c09e419c2d0ef6116253511a
diff --git a/sysc/dist-3.5-236/dist-3.5-236.sh b/sysc/dist-3.5-236/dist-3.5-236.sh
index 7b5d180..04076e1 100755
--- a/sysc/dist-3.5-236/dist-3.5-236.sh
+++ b/sysc/dist-3.5-236/dist-3.5-236.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://deb.debian.org/debian/pool/main/d/dist/dist_3.5-236.orig.tar.gz"
-
 # We manually compile here because ./Configure uses metaconfig itself
 # *sigh*
 
diff --git a/sysc/dist-3.5-236/sources b/sysc/dist-3.5-236/sources
new file mode 100644
index 0000000..92c7174
--- /dev/null
+++ b/sysc/dist-3.5-236/sources
@@ -0,0 +1 @@
+http://deb.debian.org/debian/pool/main/d/dist/dist_3.5-236.orig.tar.gz 05fa4f6ea9f05adf8f577699cb3f5b88b20dfce86b0d0cebbfb072fe5933d38f
diff --git a/sysc/flex-2.5.33/flex-2.5.33.sh b/sysc/flex-2.5.33/flex-2.5.33.sh
index f7c2c69..b9accf6 100755
--- a/sysc/flex-2.5.33/flex-2.5.33.sh
+++ b/sysc/flex-2.5.33/flex-2.5.33.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://download.nust.na/pub2/openpkg1/sources/DST/flex/flex-2.5.33.tar.gz"
-
 src_prepare() {
     default
 
diff --git a/sysc/flex-2.5.33/sources b/sysc/flex-2.5.33/sources
new file mode 100644
index 0000000..226c720
--- /dev/null
+++ b/sysc/flex-2.5.33/sources
@@ -0,0 +1 @@
+http://download.nust.na/pub2/openpkg1/sources/DST/flex/flex-2.5.33.tar.gz c40385e142989c91989413f3c5a31282b2ffdca16b69cd3ecfde537b8a474921
diff --git a/sysc/gc-8.0.4/gc-8.0.4.sh b/sysc/gc-8.0.4/gc-8.0.4.sh
index 2b74d6f..8bf8eae 100755
--- a/sysc/gc-8.0.4/gc-8.0.4.sh
+++ b/sysc/gc-8.0.4/gc-8.0.4.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://www.hboehm.info/gc/gc_source/gc-8.0.4.tar.gz"
-
 src_prepare() {
     autoreconf-2.71 -fi
 }
diff --git a/sysc/gc-8.0.4/sources b/sysc/gc-8.0.4/sources
new file mode 100644
index 0000000..4f41e85
--- /dev/null
+++ b/sysc/gc-8.0.4/sources
@@ -0,0 +1 @@
+https://www.hboehm.info/gc/gc_source/gc-8.0.4.tar.gz 436a0ddc67b1ac0b0405b61a9675bca9e075c8156f4debd1d06f3a56c7cd289d
diff --git a/sysc/gcc-4.7.4/gcc-4.7.4.sh b/sysc/gcc-4.7.4/gcc-4.7.4.sh
index 5250b6e..f26b6b2 100755
--- a/sysc/gcc-4.7.4/gcc-4.7.4.sh
+++ b/sysc/gcc-4.7.4/gcc-4.7.4.sh
@@ -4,8 +4,6 @@
 
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/gcc/gcc-4.7.4/gcc-4.7.4.tar.bz2"
-
 src_prepare() {
     default
 
diff --git a/sysc/gcc-4.7.4/sources b/sysc/gcc-4.7.4/sources
new file mode 100644
index 0000000..8280cca
--- /dev/null
+++ b/sysc/gcc-4.7.4/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/gcc/gcc-4.7.4/gcc-4.7.4.tar.bz2 92e61c6dc3a0a449e62d72a38185fda550168a86702dea07125ebd3ec3996282
diff --git a/sysc/gettext-0.21/gettext-0.21.sh b/sysc/gettext-0.21/gettext-0.21.sh
index 6eb998c..d18a0c9 100755
--- a/sysc/gettext-0.21/gettext-0.21.sh
+++ b/sysc/gettext-0.21/gettext-0.21.sh
@@ -3,9 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/gettext/gettext-0.21.tar.xz
- https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-7daa86f.tar.gz"
-
 src_prepare() {
     find . -name '*.info*' -delete
     find . -name '*.gmo' -delete
diff --git a/sysc/gettext-0.21/sources b/sysc/gettext-0.21/sources
new file mode 100644
index 0000000..51aca52
--- /dev/null
+++ b/sysc/gettext-0.21/sources
@@ -0,0 +1,2 @@
+https://mirrors.kernel.org/gnu/gettext/gettext-0.21.tar.xz d20fcbb537e02dcf1383197ba05bd0734ef7bf5db06bdb241eb69b7d16b73192
+https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-7daa86f.tar.gz 2d911c2f2ed97b347d6d360b742abdc98aa626d4f8f847ee682c7cde12e90871
diff --git a/sysc/gmp-6.2.1/gmp-6.2.1.sh b/sysc/gmp-6.2.1/gmp-6.2.1.sh
index 70778a3..afb3d2a 100755
--- a/sysc/gmp-6.2.1/gmp-6.2.1.sh
+++ b/sysc/gmp-6.2.1/gmp-6.2.1.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/gmp/gmp-6.2.1.tar.xz"
-
 src_prepare() {
     default
 
diff --git a/sysc/gmp-6.2.1/sources b/sysc/gmp-6.2.1/sources
new file mode 100644
index 0000000..ca88dec
--- /dev/null
+++ b/sysc/gmp-6.2.1/sources
@@ -0,0 +1 @@
+http://mirrors.kernel.org/gnu/gmp/gmp-6.2.1.tar.xz fd4829912cddd12f84181c3451cc752be224643e87fac497b69edddadc49b4f2
diff --git a/sysc/gperf-3.1/gperf-3.1.sh b/sysc/gperf-3.1/gperf-3.1.sh
index 6f9f140..9695125 100755
--- a/sysc/gperf-3.1/gperf-3.1.sh
+++ b/sysc/gperf-3.1/gperf-3.1.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/gperf/gperf-3.1.tar.gz"
-
 src_prepare() {
     find . -name '*.info*' -delete
 
diff --git a/sysc/gperf-3.1/sources b/sysc/gperf-3.1/sources
new file mode 100644
index 0000000..4bdba59
--- /dev/null
+++ b/sysc/gperf-3.1/sources
@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/gperf/gperf-3.1.tar.gz 588546b945bba4b70b6a3a616e80b4ab466e3f33024a352fc2198112cdbb3ae2
diff --git a/sysc/grep-3.7/sources b/sysc/grep-3.7/sources
new file mode 100644
index 0000000..983e0f1
--- /dev/null
+++ b/sysc/grep-3.7/sources
@@ -0,0 +1,2 @@
+https://mirrors.kernel.org/gnu/grep/grep-3.7.tar.xz 5c10da312460aec721984d5d83246d24520ec438dd48d7ab5a05dbc0d6d6823c
+http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-8f4538a5.tar.gz e207c0bb72093c3a72dde302fcfaa1dbda12a62172d47b73565883a92209ebab
diff --git a/sysc/guile-3.0.7/guile-3.0.7.sh b/sysc/guile-3.0.7/guile-3.0.7.sh
index 9edcae6..08c838f 100755
--- a/sysc/guile-3.0.7/guile-3.0.7.sh
+++ b/sysc/guile-3.0.7/guile-3.0.7.sh
@@ -4,10 +4,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/guile/guile-3.0.7.tar.xz
- https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-901694b9.tar.gz
- https://github.com/schierlm/guile-psyntax-bootstrapping/archive/refs/tags/guile-3.0.7.tar.gz"
-
 src_prepare() {
     default
 
diff --git a/sysc/guile-3.0.7/sources b/sysc/guile-3.0.7/sources
new file mode 100644
index 0000000..2fb53f8
--- /dev/null
+++ b/sysc/guile-3.0.7/sources
@@ -0,0 +1,3 @@
+https://mirrors.kernel.org/gnu/guile/guile-3.0.7.tar.xz f57d86c70620271bfceb7a9be0c81744a033f08adc7ceba832c9917ab3e691b7
+https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-901694b9.tar.gz f9aad85de1f41d57c9368d304020ffbf354a5e56db1297f022c3d12181134e56
+https://github.com/schierlm/guile-psyntax-bootstrapping/archive/refs/tags/guile-3.0.7.tar.gz 14cda9c416506dfadf60c14fc623ff01ef99b87564a78d0a29c5d17143c97609
diff --git a/sysc/libarchive-3.5.2/libarchive-3.5.2.sh b/sysc/libarchive-3.5.2/libarchive-3.5.2.sh
index 834b7c3..7f757e4 100755
--- a/sysc/libarchive-3.5.2/libarchive-3.5.2.sh
+++ b/sysc/libarchive-3.5.2/libarchive-3.5.2.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://libarchive.org/downloads/libarchive-3.5.2.tar.xz"
-
 src_prepare() {
     default
 
diff --git a/sysc/libarchive-3.5.2/sources b/sysc/libarchive-3.5.2/sources
new file mode 100644
index 0000000..074a802
--- /dev/null
+++ b/sysc/libarchive-3.5.2/sources
@@ -0,0 +1 @@
+http://libarchive.org/downloads/libarchive-3.5.2.tar.xz f0b19ff39c3c9a5898a219497ababbadab99d8178acc980155c7e1271089b5a0
diff --git a/sysc/libatomic_ops-7.6.10/libatomic_ops-7.6.10.sh b/sysc/libatomic_ops-7.6.10/libatomic_ops-7.6.10.sh
index f82fb77..4d44ef8 100755
--- a/sysc/libatomic_ops-7.6.10/libatomic_ops-7.6.10.sh
+++ b/sysc/libatomic_ops-7.6.10/libatomic_ops-7.6.10.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://github.com/ivmai/libatomic_ops/releases/download/v7.6.10/libatomic_ops-7.6.10.tar.gz"
-
 src_prepare() {
     autoreconf-2.71 -fi
 }
diff --git a/sysc/libatomic_ops-7.6.10/sources b/sysc/libatomic_ops-7.6.10/sources
new file mode 100644
index 0000000..6c48641
--- /dev/null
+++ b/sysc/libatomic_ops-7.6.10/sources
@@ -0,0 +1 @@
+https://github.com/ivmai/libatomic_ops/releases/download/v7.6.10/libatomic_ops-7.6.10.tar.gz 587edf60817f56daf1e1ab38a4b3c729b8e846ff67b4f62a6157183708f099af
diff --git a/sysc/libffi-3.3/libffi-3.3.sh b/sysc/libffi-3.3/libffi-3.3.sh
index 140e4c5..32b6aae 100755
--- a/sysc/libffi-3.3/libffi-3.3.sh
+++ b/sysc/libffi-3.3/libffi-3.3.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://github.com/libffi/libffi/releases/download/v3.3/libffi-3.3.tar.gz"
-
 src_prepare() {
     find . -name '*.info*' -delete
 
diff --git a/sysc/libffi-3.3/sources b/sysc/libffi-3.3/sources
new file mode 100644
index 0000000..03e1f34
--- /dev/null
+++ b/sysc/libffi-3.3/sources
@@ -0,0 +1 @@
+https://github.com/libffi/libffi/releases/download/v3.3/libffi-3.3.tar.gz 72fba7922703ddfa7a028d513ac15a85c8d54c8d67f55fa5a4802885dc652056
diff --git a/sysc/libtool-2.4.7/libtool-2.4.7.sh b/sysc/libtool-2.4.7/libtool-2.4.7.sh
index e413a67..901b59d 100755
--- a/sysc/libtool-2.4.7/libtool-2.4.7.sh
+++ b/sysc/libtool-2.4.7/libtool-2.4.7.sh
@@ -4,8 +4,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/libtool/libtool-2.4.7.tar.xz
- http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-a521820.tar.gz"
 
 src_prepare() {
     default
diff --git a/sysc/libtool-2.4.7/sources b/sysc/libtool-2.4.7/sources
new file mode 100644
index 0000000..1024b2e
--- /dev/null
+++ b/sysc/libtool-2.4.7/sources
@@ -0,0 +1,2 @@
+http://mirrors.kernel.org/gnu/libtool/libtool-2.4.7.tar.xz 4f7f217f057ce655ff22559ad221a0fd8ef84ad1fc5fcb6990cecc333aa1635d
+http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-a521820.tar.gz 719b399fe09a8f6ca14ba8c4a9a60ce9f93f4892effb50961ef3d8cd1a33ff65
diff --git a/sysc/libunistring-0.9.10/libunistring-0.9.10.sh b/sysc/libunistring-0.9.10/libunistring-0.9.10.sh
index 4461cfe..8cc27a5 100755
--- a/sysc/libunistring-0.9.10/libunistring-0.9.10.sh
+++ b/sysc/libunistring-0.9.10/libunistring-0.9.10.sh
@@ -2,9 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/libunistring/libunistring-0.9.10.tar.xz
- https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-52a06cb3.tar.gz"
-
 src_prepare() {
     find . -name '*.info*' -delete
 
diff --git a/sysc/libunistring-0.9.10/sources b/sysc/libunistring-0.9.10/sources
new file mode 100644
index 0000000..f9b7df0
--- /dev/null
+++ b/sysc/libunistring-0.9.10/sources
@@ -0,0 +1,2 @@
+https://mirrors.kernel.org/gnu/libunistring/libunistring-0.9.10.tar.xz eb8fb2c3e4b6e2d336608377050892b54c3c983b646c561836550863003c05d7
+https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-52a06cb3.tar.gz 009989b81c0bebc5f6550636ed653fbcb237dafc2af5c706f3522087ca571e4d
diff --git a/sysc/make-4.2.1/make-4.2.1.sh b/sysc/make-4.2.1/make-4.2.1.sh
index 3aabf75..fc44db5 100755
--- a/sysc/make-4.2.1/make-4.2.1.sh
+++ b/sysc/make-4.2.1/make-4.2.1.sh
@@ -2,7 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://ftp.gnu.org/gnu/make/make-4.2.1.tar.gz"
 
 src_prepare() {
     default
diff --git a/sysc/make-4.2.1/sources b/sysc/make-4.2.1/sources
new file mode 100644
index 0000000..9695eb1
--- /dev/null
+++ b/sysc/make-4.2.1/sources
@@ -0,0 +1 @@
+http://ftp.gnu.org/gnu/make/make-4.2.1.tar.gz e40b8f018c1da64edd1cc9a6fce5fa63b2e707e404e20cad91fbae337c98a5b7
diff --git a/sysc/mpc-1.2.1/mpc-1.2.1.sh b/sysc/mpc-1.2.1/mpc-1.2.1.sh
index 8696e0e..45d02a2 100755
--- a/sysc/mpc-1.2.1/mpc-1.2.1.sh
+++ b/sysc/mpc-1.2.1/mpc-1.2.1.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/mpc/mpc-1.2.1.tar.gz"
-
 src_prepare() {
     default
 
diff --git a/sysc/mpc-1.2.1/sources b/sysc/mpc-1.2.1/sources
new file mode 100644
index 0000000..4451dbb
--- /dev/null
+++ b/sysc/mpc-1.2.1/sources
@@ -0,0 +1 @@
+http://mirrors.kernel.org/gnu/mpc/mpc-1.2.1.tar.gz 17503d2c395dfcf106b622dc142683c1199431d095367c6aacba6eec30340459
diff --git a/sysc/mpfr-4.1.0/mpfr-4.1.0.sh b/sysc/mpfr-4.1.0/mpfr-4.1.0.sh
index 65dc3f8..5f3f0c3 100755
--- a/sysc/mpfr-4.1.0/mpfr-4.1.0.sh
+++ b/sysc/mpfr-4.1.0/mpfr-4.1.0.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/mpfr/mpfr-4.1.0.tar.xz"
-
 src_prepare() {
     default
 
diff --git a/sysc/mpfr-4.1.0/sources b/sysc/mpfr-4.1.0/sources
new file mode 100644
index 0000000..b16f0bf
--- /dev/null
+++ b/sysc/mpfr-4.1.0/sources
@@ -0,0 +1 @@
+http://mirrors.kernel.org/gnu/mpfr/mpfr-4.1.0.tar.xz 0c98a3f1732ff6ca4ea690552079da9c597872d30e96ec28414ee23c95558a7f
diff --git a/sysc/musl-1.2.3/musl-1.2.3.sh b/sysc/musl-1.2.3/musl-1.2.3.sh
index 6214f11..2b799ab 100755
--- a/sysc/musl-1.2.3/musl-1.2.3.sh
+++ b/sysc/musl-1.2.3/musl-1.2.3.sh
@@ -3,8 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://musl.libc.org/releases/musl-1.2.3.tar.gz"
-
 src_configure() {
     ./configure \
         --host=i386-unknown-linux-musl \
diff --git a/sysc/musl-1.2.3/sources b/sysc/musl-1.2.3/sources
new file mode 100644
index 0000000..0a1cbac
--- /dev/null
+++ b/sysc/musl-1.2.3/sources
@@ -0,0 +1 @@
+https://musl.libc.org/releases/musl-1.2.3.tar.gz 7d5b0b6062521e4627e099e4c9dc8248d32a30285e959b7eecaa780cf8cfd4a4
diff --git a/sysc/openssl-1.1.1l/openssl-1.1.1l.sh b/sysc/openssl-1.1.1l/openssl-1.1.1l.sh
index 7a175c6..4db2199 100755
--- a/sysc/openssl-1.1.1l/openssl-1.1.1l.sh
+++ b/sysc/openssl-1.1.1l/openssl-1.1.1l.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://artfiles.org/openssl.org/source/old/1.1.1/openssl-1.1.1l.tar.gz"
-
 src_prepare() {
     default
 
diff --git a/sysc/openssl-1.1.1l/sources b/sysc/openssl-1.1.1l/sources
new file mode 100644
index 0000000..9ec5546
--- /dev/null
+++ b/sysc/openssl-1.1.1l/sources
@@ -0,0 +1 @@
+http://artfiles.org/openssl.org/source/old/1.1.1/openssl-1.1.1l.tar.gz 0b7a3e5e59c34827fe0c3a74b7ec8baef302b98fa80088d7f9153aa16fa76bd1
diff --git a/sysc/patch-2.7.6/patch-2.7.6.sh b/sysc/patch-2.7.6/patch-2.7.6.sh
index baca831..529e09d 100755
--- a/sysc/patch-2.7.6/patch-2.7.6.sh
+++ b/sysc/patch-2.7.6/patch-2.7.6.sh
@@ -2,9 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/patch/patch-2.7.6.tar.xz
- https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-e017871.tar.gz"
-
 src_prepare() {
     ../../import-gnulib.sh
 
diff --git a/sysc/patch-2.7.6/sources b/sysc/patch-2.7.6/sources
new file mode 100644
index 0000000..53c2211
--- /dev/null
+++ b/sysc/patch-2.7.6/sources
@@ -0,0 +1,2 @@
+https://mirrors.kernel.org/gnu/patch/patch-2.7.6.tar.xz ac610bda97abe0d9f6b7c963255a11dcb196c25e337c61f94e4778d632f1d8fd
+https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-e017871.tar.gz a285dc300c3d9c25cc06e38827ef40f6073ec3b9b0fcb5bba433f943be92d8d4
diff --git a/sysc/perl-5.10.1/perl-5.10.1.sh b/sysc/perl-5.10.1/perl-5.10.1.sh
index 95b2119..c527da0 100755
--- a/sysc/perl-5.10.1/perl-5.10.1.sh
+++ b/sysc/perl-5.10.1/perl-5.10.1.sh
@@ -3,8 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://www.cpan.org/src/5.0/perl-5.10.1.tar.bz2"
-
 src_prepare() {
     default_src_prepare
 
diff --git a/sysc/perl-5.10.1/sources b/sysc/perl-5.10.1/sources
new file mode 100644
index 0000000..4cbd163
--- /dev/null
+++ b/sysc/perl-5.10.1/sources
@@ -0,0 +1 @@
+http://www.cpan.org/src/5.0/perl-5.10.1.tar.bz2 9385f2c8c2ca8b1dc4a7c31903f1f8dc8f2ba867dc2a9e5c93012ed6b564e826
diff --git a/sysc/perl-5.32.1/perl-5.32.1.sh b/sysc/perl-5.32.1/perl-5.32.1.sh
index e375441..dc3957c 100755
--- a/sysc/perl-5.32.1/perl-5.32.1.sh
+++ b/sysc/perl-5.32.1/perl-5.32.1.sh
@@ -3,9 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://www.cpan.org/src/5.0/perl-5.32.1.tar.xz
-  http://deb.debian.org/debian/pool/main/p/perl/perl_5.32.1.orig-regen-configure.tar.gz"
-
 src_prepare() {
     default
 
diff --git a/sysc/perl-5.32.1/sources b/sysc/perl-5.32.1/sources
new file mode 100644
index 0000000..62658bd
--- /dev/null
+++ b/sysc/perl-5.32.1/sources
@@ -0,0 +1,2 @@
+http://www.cpan.org/src/5.0/perl-5.32.1.tar.xz 57cc47c735c8300a8ce2fa0643507b44c4ae59012bfdad0121313db639e02309
+http://deb.debian.org/debian/pool/main/p/perl/perl_5.32.1.orig-regen-configure.tar.gz 1d179b41283f12ad83f9758430f6ddc49bdf20db5c396aeae7e51ebb4e4afd29
diff --git a/sysc/pkg-config-0.29.2/pkg-config-0.29.2.sh b/sysc/pkg-config-0.29.2/pkg-config-0.29.2.sh
index 8a85b57..ddf1e3e 100755
--- a/sysc/pkg-config-0.29.2/pkg-config-0.29.2.sh
+++ b/sysc/pkg-config-0.29.2/pkg-config-0.29.2.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://gentoo.osuosl.org/distfiles/pkg-config-0.29.2.tar.gz"
-
 src_prepare() {
     AUTOMAKE=automake-1.15 ACLOCAL=aclocal-1.15 autoreconf-2.69 -fi
 }
diff --git a/sysc/pkg-config-0.29.2/sources b/sysc/pkg-config-0.29.2/sources
new file mode 100644
index 0000000..24e4fe8
--- /dev/null
+++ b/sysc/pkg-config-0.29.2/sources
@@ -0,0 +1 @@
+http://gentoo.osuosl.org/distfiles/pkg-config-0.29.2.tar.gz 6fc69c01688c9458a57eb9a1664c9aba372ccda420a02bf4429fe610e7e7d591
diff --git a/sysc/sed-4.8/sed-4.8.sh b/sysc/sed-4.8/sed-4.8.sh
index 1653e62..7c4bc9d 100755
--- a/sysc/sed-4.8/sed-4.8.sh
+++ b/sysc/sed-4.8/sed-4.8.sh
@@ -2,9 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/sed/sed-4.8.tar.xz
- http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-d279bc.tar.gz"
-
 src_prepare() {
     rm configure
     find . -name 'Makefile.in' -delete
diff --git a/sysc/sed-4.8/sources b/sysc/sed-4.8/sources
new file mode 100644
index 0000000..ab6beba
--- /dev/null
+++ b/sysc/sed-4.8/sources
@@ -0,0 +1,2 @@
+https://mirrors.kernel.org/gnu/sed/sed-4.8.tar.xz f79b0cfea71b37a8eeec8490db6c5f7ae7719c35587f21edb0617f370eeff633
+http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-d279bc.tar.gz 12cfa21abf618a274017d6b18e95fc6582519d7c08e2403e5c5772ccdd5b85f4
diff --git a/sysc/tar-1.34/sources b/sysc/tar-1.34/sources
new file mode 100644
index 0000000..14c68c8
--- /dev/null
+++ b/sysc/tar-1.34/sources
@@ -0,0 +1,2 @@
+http://mirrors.kernel.org/gnu/tar/tar-1.34.tar.xz 63bebd26879c5e1eea4352f0d03c991f966aeb3ddeb3c7445c902568d5411d28
+http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-30820c.tar.gz df807e694deea2dcba0c43af318394f3e3fcd52658c3b71b61dad0ce0c0cfb77
diff --git a/sysc/tar-1.34/tar-1.34.sh b/sysc/tar-1.34/tar-1.34.sh
index e438bec..89708fe 100755
--- a/sysc/tar-1.34/tar-1.34.sh
+++ b/sysc/tar-1.34/tar-1.34.sh
@@ -3,9 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://mirrors.kernel.org/gnu/tar/tar-1.34.tar.xz
- http://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-30820c.tar.gz"
-
 src_prepare() {
     default
 
diff --git a/sysc/texinfo-6.7/sources b/sysc/texinfo-6.7/sources
new file mode 100644
index 0000000..fb706b6
--- /dev/null
+++ b/sysc/texinfo-6.7/sources
@@ -0,0 +1,2 @@
+https://mirrors.kernel.org/gnu/texinfo/texinfo-6.7.tar.xz 988403c1542d15ad044600b909997ba3079b10e03224c61188117f3676b02caa
+https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-b81ec69.tar.gz 1aeea67b7b3883ebcf2b90bc01f4182d7de073a052dabd3749f20c5aa4ad3e27
diff --git a/sysc/texinfo-6.7/texinfo-6.7.sh b/sysc/texinfo-6.7/texinfo-6.7.sh
index 0ac6b0b..da22f6d 100755
--- a/sysc/texinfo-6.7/texinfo-6.7.sh
+++ b/sysc/texinfo-6.7/texinfo-6.7.sh
@@ -2,9 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://mirrors.kernel.org/gnu/texinfo/texinfo-6.7.tar.xz
- https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-b81ec69.tar.gz"
-
 src_prepare() {
     find . -name '*.mo' -delete
     find . -name '*.gmo' -delete
diff --git a/sysc/which-2.21/sources b/sysc/which-2.21/sources
new file mode 100644
index 0000000..e27a3b0
--- /dev/null
+++ b/sysc/which-2.21/sources
@@ -0,0 +1 @@
+https://carlowood.github.io/which/which-2.21.tar.gz f4a245b94124b377d8b49646bf421f9155d36aa7614b6ebf83705d3ffc76eaad
diff --git a/sysc/xbps-0.59.1/sources b/sysc/xbps-0.59.1/sources
new file mode 100644
index 0000000..eb60b05
--- /dev/null
+++ b/sysc/xbps-0.59.1/sources
@@ -0,0 +1 @@
+https://github.com/void-linux/xbps/archive/refs/tags/0.59.1.tar.gz 0cbd8d5f23a62047c75974bca21da9f004a94efffd7f37c68562a8dbc869fb2a
diff --git a/sysc/xbps-0.59.1/xbps-0.59.1.sh b/sysc/xbps-0.59.1/xbps-0.59.1.sh
index 41651b3..fea72e7 100755
--- a/sysc/xbps-0.59.1/xbps-0.59.1.sh
+++ b/sysc/xbps-0.59.1/xbps-0.59.1.sh
@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 # TODO: add mechanism to change output filename to something nicer
-urls="https://github.com/void-linux/xbps/archive/refs/tags/0.59.1.tar.gz"
 
 src_configure() {
     PKG_CONFIG_PATH="${PREFIX}/lib/musl/pkgconfig" \
diff --git a/sysc/xz-5.0.5/sources b/sysc/xz-5.0.5/sources
new file mode 100644
index 0000000..76f25cc
--- /dev/null
+++ b/sysc/xz-5.0.5/sources
@@ -0,0 +1 @@
+http://ixpeering.dl.sourceforge.net/project/lzmautils/xz-5.0.5.tar.bz2 166c48d2842519bc4f96333bff9e265f8cdda44d38e40594ef3f9bbb52890490
diff --git a/sysc/xz-5.0.5/xz-5.0.5.sh b/sysc/xz-5.0.5/xz-5.0.5.sh
index d252bec..256143f 100755
--- a/sysc/xz-5.0.5/xz-5.0.5.sh
+++ b/sysc/xz-5.0.5/xz-5.0.5.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="http://ixpeering.dl.sourceforge.net/project/lzmautils/xz-5.0.5.tar.bz2"
-
 src_prepare() {
     default
 
diff --git a/sysc/zlib-1.2.12/sources b/sysc/zlib-1.2.12/sources
new file mode 100644
index 0000000..d481c59
--- /dev/null
+++ b/sysc/zlib-1.2.12/sources
@@ -0,0 +1 @@
+https://zlib.net/zlib-1.2.12.tar.xz 7db46b8d7726232a621befaab4a1c870f00a90805511c0e0090441dac57def18
diff --git a/sysc/zlib-1.2.12/zlib-1.2.12.sh b/sysc/zlib-1.2.12/zlib-1.2.12.sh
index 5a45e34..ee19abf 100755
--- a/sysc/zlib-1.2.12/zlib-1.2.12.sh
+++ b/sysc/zlib-1.2.12/zlib-1.2.12.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-urls="https://zlib.net/zlib-1.2.12.tar.xz"
-
 src_configure() {
     ./configure --prefix="${PREFIX}" --libdir="${PREFIX}/lib/musl" --static
 }