diff --git a/SHA256SUMS.sources b/SHA256SUMS.sources
index c05bb88..be3b593 100644
--- a/SHA256SUMS.sources
+++ b/SHA256SUMS.sources
@@ -56,5 +56,6 @@ c365874794187f8444e5d22998cd5888ffa47f36def4b77517a808dec27c0600  sed-4.0.9.tar.
 404a8d72427a559c074e581bf8f7d5a73283faf249cd3faf6dc1c6faf97d07c7  sha-2-61555d.tar.gz
 c6c37e888b136ccefab903c51149f4b7bd659d69d4aea21245f61053a57aa60a  tar-1.12.tar.gz
 63bebd26879c5e1eea4352f0d03c991f966aeb3ddeb3c7445c902568d5411d28  tar-1.34.tar.xz
+de23af78fca90ce32dff2dd45b3432b2334740bb9bb7b05bf60fdbfc396ceb9c  tcc-0.9.27.tar.bz2
 1b700d375e253e88bdf79caa244284a899b80f59fd64fdd3aaa6408b7bd715ae  untar.c
 166c48d2842519bc4f96333bff9e265f8cdda44d38e40594ef3f9bbb52890490  xz-5.0.5.tar.bz2
diff --git a/parts.rst b/parts.rst
index 122c409..d8da74f 100644
--- a/parts.rst
+++ b/parts.rst
@@ -85,6 +85,11 @@ recompiled 5(!) times to add new features that are required for other
 features, namely ``long long`` and ``float``. Each time, the libc is
 also recompiled.
 
+Note that now we begin to delve into the realm of old GNU software,
+using older versions compilable by tinycc. Prior to this point, all tools
+have been adapted significantly for the bootstrap; now, we will be using
+old tooling instead.
+
 untar
 =====
 
@@ -93,18 +98,6 @@ code, often compressed also. To avoid continuing using submodules we
 switch to software distribution using tar tarchives. ``untar.c`` is
 a single file implementation of tar format and is part of libarchive 3.4.
 
-tinycc 0.9.27
-=============
-
-Now, we compile upstream tcc 0.9.27, the latest release of tinycc, using
-the final version of tcc 0.9.26. We then recompile the libc once more.
-
-From this point onwards, until further notice, all programs are compiled
-using tinycc 0.9.27. Note that now we begin to delve into the realm of
-old GNU software, using older versions compilable by tinycc. Prior to
-this point, all tools have been adapted significantly for the bootstrap;
-now, we will be using old tooling instead.
-
 gzip 1.2.4
 ==========
 
@@ -117,7 +110,7 @@ Going forward, we can now use ``.tar.gz`` for source code.
 tar 1.12
 ========
 
-We build GNU tar 1.12, the last version compilable with mes libc.
+We build GNU Tar 1.12, the last version compilable with mes libc.
 
 sed 4.0.9
 =========
@@ -129,7 +122,7 @@ patch 2.5.9
 
 ``patch`` is a very useful tool at this stage, allowing us to make
 significantly more complex edits, including just changes to lines.
-Luckily, we are able to patch patch using sed only.
+Luckily, we are able to patch ``patch`` using ``sed`` only.
 
 sha-2
 =====
@@ -146,23 +139,6 @@ We have now just built ``sha256sum``, which has a significantly (many orders
 of magnitude) lower collision rate than ``fletcher16``, so we recheck all of
 the existing binaries using ``sha256sum``.
 
-patched mes-libc
-================
-
-Since patch is available at this point, we can apply additional fixes to
-mes-libc that are not included in the wip-m2 branch and recompile libc.
-
-patched tinycc
-==============
-
-In Guix, tinycc is patched to force static linking. Prior to this step,
-we have been forced to manually specify static linking for each tool.
-Now that we have patch, we can patch tinycc to force static linking and
-then recompile it.
-
-Note that we have to do this using tinycc 0.9.26, as tinycc 0.9.27
-cannot recompile itself for unknown reasons.
-
 make 3.80
 =========
 
@@ -176,6 +152,23 @@ bzip2 1.0.8
 ``bzip2`` is a compression format that compresses more than ``gzip``. It
 is preferred where we can use it, and makes source code sizes smaller.
 
+patched mes-libc
+================
+
+Since patch is available at this point, we can apply additional fixes to
+mes-libc that are not included in the wip-m2 branch and recompile libc.
+
+tinycc 0.9.27
+=============
+
+Now, we compile upstream tcc 0.9.27, the latest release of tinycc, using
+the final version of tcc 0.9.26. We then recompile the libc once more.
+
+From this point onwards, until further notice, all programs are compiled
+using tinycc 0.9.27.
+
+We patch tinycc to force static linking.
+
 coreutils 5.0
 =============
 
@@ -238,8 +231,9 @@ tcc 0.9.27 (musl)
 =================
 
 We recompile ``tcc`` against musl. This is a two stage process. First we
-build tcc-0.9.27 that itself links to Mes C library but produces
-binaries linked to musl. Then we recompile newly produced tcc with
+build tcc-0.9.27 using tcc-0.9.26  that itself links to Mes C library but produces
+binaries linked to musl (we have to do it using older `tcc` because
+tcc-0.9.27 is not self hosting). Then we recompile newly produced tcc with
 itself. Interestingly, tcc-0.9.27 linked against musl is self hosting.
 
 musl 1.1.24 (tcc-musl)
diff --git a/sysa.py b/sysa.py
index 9e03524..fcf1ea6 100755
--- a/sysa.py
+++ b/sysa.py
@@ -116,7 +116,8 @@ class SysA:
         # Install base files
         src_tree = os.path.join(self.sysa_dir, target_name)
         copytree(src_tree, self.after_dir)
-        os.mkdir(target_src_dir)
+        if not os.path.isdir(target_src_dir):
+            os.mkdir(target_src_dir)
 
         for i, _ in enumerate(urls):
             # Download files into cache directory
@@ -190,7 +191,6 @@ class SysA:
         self.mescc_tools_extra()
         self.mes()
         self.tcc_0_9_26()
-        self.tcc_0_9_27()
         self.get_packages()
 
     def create_after_dirs(self):
@@ -252,15 +252,11 @@ class SysA:
         """TinyCC 0.9.26 (patched by janneke)"""
         copytree(os.path.join(self.sysa_dir, 'tcc-0.9.26'), self.after_dir)
 
-    def tcc_0_9_27(self):
-        """TinyCC 0.9.27"""
-        copytree(os.path.join(self.sysa_dir, 'tcc-0.9.27'), self.after_dir)
-
     # pylint: disable=line-too-long,too-many-statements
     def get_packages(self):
         """Prepare remaining sources"""
         # untar from libarchive 3.4
-        self.get_file("https://raw.githubusercontent.com/libarchive/libarchive/3.4/contrib/untar.c", mkbuild=True)
+        self.get_file("https://raw.githubusercontent.com/libarchive/libarchive/3.4/contrib/untar.c")
 
         # gzip 1.2.4
         self.get_file("https://mirrors.kernel.org/gnu/gzip/gzip-1.2.4.tar", mkbuild=True)
@@ -284,6 +280,9 @@ class SysA:
         # bzip2 1.0.8
         self.get_file("https://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz", mkbuild=True)
 
+        # tcc 0.9.27
+        self.get_file("https://download.savannah.gnu.org/releases/tinycc/tcc-0.9.27.tar.bz2", mkbuild=True)
+
         # coreutils 5.0
         self.get_file("https://mirrors.kernel.org/gnu/coreutils/coreutils-5.0.tar.bz2", mkbuild=True)
 
diff --git a/sysa/after.kaem.run b/sysa/after.kaem.run
index b82f60f..b837ebe 100755
--- a/sysa/after.kaem.run
+++ b/sysa/after.kaem.run
@@ -56,12 +56,6 @@ cd ${pkg}
 kaem --file ${pkg}.kaem
 cd ..
 
-# tcc 0.9.27
-pkg="tcc-0.9.27"
-cd ${pkg}
-kaem --file ${pkg}.kaem
-cd ..
-
 # gzip
 pkg="gzip-1.2.4"
 cd ${pkg}
@@ -95,16 +89,6 @@ cd ..
 # Check all up to this part as sha256sum
 sha256sum -c pre-sha.sha256sums
 
-# mes-libc-patched
-cd tcc-0.9.27
-kaem --file mes-libc-patched.kaem
-cd ..
-
-# tcc-patched
-cd tcc-0.9.27
-kaem --file tcc-patched.kaem
-cd ..
-
 # make
 pkg="make-3.80"
 cd ${pkg}
@@ -117,6 +101,17 @@ cd ${pkg}
 kaem --file ${pkg}.kaem
 cd ..
 
+# mes-libc-patched
+cd tcc-0.9.27
+kaem --file mes-libc-patched.kaem
+cd ..
+
+# tcc 0.9.27
+pkg="tcc-0.9.27"
+cd ${pkg}
+kaem --file ${pkg}.kaem
+cd ..
+
 # coreutils
 pkg="coreutils-5.0"
 cd ${pkg}
diff --git a/sysa/bzip2-1.0.8/checksums/bzip2-pass1 b/sysa/bzip2-1.0.8/checksums/bzip2-pass1
index 5d7aa35..2261224 100644
--- a/sysa/bzip2-1.0.8/checksums/bzip2-pass1
+++ b/sysa/bzip2-1.0.8/checksums/bzip2-pass1
@@ -1,2 +1,2 @@
-74cb8b1278d648d3f63b71cc5b055a83e83e12a044c7e533c1b348ee8cf34314  /after/bin/bzip2
-74cb8b1278d648d3f63b71cc5b055a83e83e12a044c7e533c1b348ee8cf34314  /after/bin/bunzip2
+6b7d8a7a65da9beb4c6deb0391be5f1f0da18e77d3f292ae433ffc43b89a3a5f  /after/bin/bzip2
+6b7d8a7a65da9beb4c6deb0391be5f1f0da18e77d3f292ae433ffc43b89a3a5f  /after/bin/bunzip2
diff --git a/sysa/gzip-1.2.4/checksums b/sysa/gzip-1.2.4/checksums
index 9c900cf..e812ff8 100644
--- a/sysa/gzip-1.2.4/checksums
+++ b/sysa/gzip-1.2.4/checksums
@@ -1,3 +1,3 @@
-47018 /after/bin/gzip
-47018 /after/bin/gunzip
-47018 /after/bin/zcat
+20706 /after/bin/gzip
+20706 /after/bin/gunzip
+20706 /after/bin/zcat
diff --git a/sysa/make-3.80/checksums b/sysa/make-3.80/checksums
index 5f0bbed..2aa4f04 100644
--- a/sysa/make-3.80/checksums
+++ b/sysa/make-3.80/checksums
@@ -1 +1 @@
-7745ab1036a83ed63416af84bd166bfe768554ac393fbc53818acd4ccc18ce7f  /after/bin/make
+06699b2728829d9c989f28a28af3d9ea00391a8678140af77a5ba4892244c4e8  /after/bin/make
diff --git a/sysa/patch-2.5.9/checksums b/sysa/patch-2.5.9/checksums
index a2be0d4..4682cb6 100644
--- a/sysa/patch-2.5.9/checksums
+++ b/sysa/patch-2.5.9/checksums
@@ -1 +1 @@
-10790 /after/bin/patch
+62187 /after/bin/patch
diff --git a/sysa/pre-sha.sha256sums b/sysa/pre-sha.sha256sums
index 65f6bd1..2d57917 100644
--- a/sysa/pre-sha.sha256sums
+++ b/sysa/pre-sha.sha256sums
@@ -7,19 +7,19 @@ d4708bc79bee1f4d23789866380a98b5ed0e165ac8ca917b8b928c2d323ddc10  /after/bin/boo
 773eae17b7f347526f8033afc9d1f06af116dfbcd0a26cbde7e29ab47e77850d  /after/bin/chmod
 764881d80efac5509aa85fd4683a20beffa831442f57815d43ee030fb8f9f486  /after/bin/cp
 e1481ecf337fb657f3949af0b45bb620c1886cd1a1b003fe27338832c250f41d  /after/bin/fletcher16
-fc2d3f6a7227836526d278d4e4b642a72c1a83c03c3363f3376100798e0eb145  /after/bin/gunzip
-fc2d3f6a7227836526d278d4e4b642a72c1a83c03c3363f3376100798e0eb145  /after/bin/gzip
+c8c923c0bea92a642e1b3e5dde162bb7c35ea14a75e0f8fbb811d7ea92edffe6  /after/bin/gunzip
+c8c923c0bea92a642e1b3e5dde162bb7c35ea14a75e0f8fbb811d7ea92edffe6  /after/bin/gzip
 e835fdb1cd8c7852e8c879f1efdea6f7392bdd04938f5a01a6199ab2730fac4b  /after/bin/mes
 b91c81e543b878ead4cc975df75e3d211f7bd2dcdd4c90e42df99d44311ce71e  /after/bin/mescc.scm
 e94a2468c045582cfd13df51acd0932afdc834fa60139f7bfb7a2d65afa39a65  /after/bin/mes-tcc
-3cf426251744300a099a40f3609ccbd32ec3b9f3334601defa5736e7fd6c6f1d  /after/bin/patch
-d453932b7d83fc3e183afeca65c1afb2a620b985c378ee072710e0cc593d9811  /after/bin/sed
-bc9ddf9854bd954c71bb1cf5b0af77fd65b8fa7f290b42c75020fb8893deb53c  /after/bin/sha256sum
+032c0a3bb32b542f7d3eb0305bd89898ab2fc4b9fd0502085337e3422db1f393  /after/bin/patch
+61d9850bf8348a5571f59231e392a06021c9be78f32797943d98bc493ea5b03f  /after/bin/sed
+c09ac8658c8853f5316c8abbf5b8379dba03a42dfc3eb9c07982a4da85480b6f  /after/bin/sha256sum
 74e0a13cb6e92d70c43f71ec704afbc44b7a38c703fe40700f7af7c640a22158  /after/bin/untar
-957229511dc5ac62a949dbd76e965e3a476ce214b8e6fc7f120bf17d195b924b  /after/bin/tar
-690c2a941c444ba761076f6b8ef1ba2b634ebe2e63ea44c8f3789f6e3df6d2a9  /after/bin/tcc
-cacc2cda3ce6c2cc0cb761b8aa2115a003e166c94d1039974fc0221263897c52  /after/bin/tcc-0.9.26
-fc2d3f6a7227836526d278d4e4b642a72c1a83c03c3363f3376100798e0eb145  /after/bin/zcat
+ade67862293d3193aaa569931d520dab26b26fcfebd538346a2a83195a59d7e7  /after/bin/tar
+819ebd10859c34f1f34b5ab341fdce4541ccade97ec96b7eac5876875f91e8a7  /after/bin/tcc
+819ebd10859c34f1f34b5ab341fdce4541ccade97ec96b7eac5876875f91e8a7  /after/bin/tcc-0.9.26
+c8c923c0bea92a642e1b3e5dde162bb7c35ea14a75e0f8fbb811d7ea92edffe6  /after/bin/zcat
 44b5f15e1f015685fe4c3d66eda5ba52aac77b94f2edd98b764cec05ca350d49  /after/lib/crt1.o
 90811dafd33ad56b8e4b0adcc04263f9329b9047b7cc337abe8151a75017172c  /after/lib/x86-mes/crt1.s
 09d4f9821a2566f7e56381a19259c41bd97f3c5ed83f490705acbfd1139a7736  /after/lib/crti.o
diff --git a/sysa/run.sh b/sysa/run.sh
index 5c837af..7df6ad7 100755
--- a/sysa/run.sh
+++ b/sysa/run.sh
@@ -96,7 +96,7 @@ build musl-1.1.24 binutils-rebuild.sh checksums/pass3 patches-pass3
 populate_device_nodes
 
 # Rebuild tcc-musl using new musl
-build tcc-0.9.27 tcc-musl-pass3.sh checksums/tcc-musl-pass3
+build tcc-0.9.27 tcc-musl-pass3.sh checksums/tcc-musl-pass3 patches-musl-pass3
 
 build autoconf-2.53 stage1.sh
 build autoconf-2.53 stage2.sh
diff --git a/sysa/sed-4.0.9/checksums/pass1 b/sysa/sed-4.0.9/checksums/pass1
index b014f1a..e20c8ff 100644
--- a/sysa/sed-4.0.9/checksums/pass1
+++ b/sysa/sed-4.0.9/checksums/pass1
@@ -1 +1 @@
-10514 /after/bin/sed
+32529 /after/bin/sed
diff --git a/sysa/sha-2-61555d/checksums b/sysa/sha-2-61555d/checksums
index 4c9c42d..a173a25 100644
--- a/sysa/sha-2-61555d/checksums
+++ b/sysa/sha-2-61555d/checksums
@@ -1 +1 @@
-53384 /after/bin/sha256sum
+11460 /after/bin/sha256sum
diff --git a/sysa/tar-1.12/checksums b/sysa/tar-1.12/checksums
index 6b2e5e5..2939655 100644
--- a/sysa/tar-1.12/checksums
+++ b/sysa/tar-1.12/checksums
@@ -1 +1 @@
-3497 /after/bin/tar
+56696 /after/bin/tar
diff --git a/sysa/tcc-0.9.27/checksums/tcc-0.9.27 b/sysa/tcc-0.9.27/checksums/tcc-0.9.27
index a891c8a..0b8c0a5 100644
--- a/sysa/tcc-0.9.27/checksums/tcc-0.9.27
+++ b/sysa/tcc-0.9.27/checksums/tcc-0.9.27
@@ -1,8 +1,6 @@
-35075 /after/bin/tcc
-47832 /after/lib/libc.a
-47832 /after/lib/libc+gnu.a
-54049 /after/lib/libgetopt.a
-23061 /after/lib/crt1.o
-16980 /after/lib/crti.o
-47705 /after/lib/crtn.o
-54138 /after/lib/tcc/libtcc1.a
+0bd8c89f8eee4b8e185b404308a79b3cd315a2143f864d7c250a8f088ae1149d  /after/bin/tcc
+a1313f0a2aef2e63a3d03b2c8de98e6c022f0999e4d7e039bd140c250be4a4da  /after/lib/libc.a
+12c07ae103e7e3b390150a79e5c600d88de14e9bb73a066f6342582729ef5a3f  /after/lib/libgetopt.a
+d1168ee9b528e39f0b40e8d51fb7fa3619c4a5ee928137f7faf6d0879b0916b0  /after/lib/crt1.o
+09d4f9821a2566f7e56381a19259c41bd97f3c5ed83f490705acbfd1139a7736  /after/lib/crti.o
+461ca1494737fab86fe1c1d3addeaf9d0ece413e353abcdea8674db3f700cda3  /after/lib/crtn.o
diff --git a/sysa/tcc-0.9.27/checksums/tcc-musl-pass2 b/sysa/tcc-0.9.27/checksums/tcc-musl-pass2
index 792ceb0..9383e88 100644
--- a/sysa/tcc-0.9.27/checksums/tcc-musl-pass2
+++ b/sysa/tcc-0.9.27/checksums/tcc-musl-pass2
@@ -1,2 +1 @@
 c65633cb875609df7aab2225a24334b5853a0b3e097bdb3ba8a0ae80c1bf5bf0  /after/bin/tcc-musl
-a650b13efc65073fb851e9db89728089d8845c401f85faaa09801874ab058089  /after/lib/tcc/libtcc1.a
diff --git a/sysa/tcc-0.9.27/checksums/tcc-musl-pass3 b/sysa/tcc-0.9.27/checksums/tcc-musl-pass3
index 0ab43d9..ac6ad8a 100644
--- a/sysa/tcc-0.9.27/checksums/tcc-musl-pass3
+++ b/sysa/tcc-0.9.27/checksums/tcc-musl-pass3
@@ -1,2 +1 @@
 068384be93b6654d6ad555881eaf24d221cc3edf229465f050fec30c30648047  /after/bin/tcc-musl
-a650b13efc65073fb851e9db89728089d8845c401f85faaa09801874ab058089  /after/lib/tcc/libtcc1.a
diff --git a/sysa/tcc-0.9.27/checksums/tcc-patched b/sysa/tcc-0.9.27/checksums/tcc-patched
deleted file mode 100644
index f2ea2fe..0000000
--- a/sysa/tcc-0.9.27/checksums/tcc-patched
+++ /dev/null
@@ -1 +0,0 @@
-0bd8c89f8eee4b8e185b404308a79b3cd315a2143f864d7c250a8f088ae1149d  /after/bin/tcc
diff --git a/sysa/tcc-0.9.27/compile-libc.kaem b/sysa/tcc-0.9.27/compile-libc.kaem
index 2225a00..fac1ac6 100755
--- a/sysa/tcc-0.9.27/compile-libc.kaem
+++ b/sysa/tcc-0.9.27/compile-libc.kaem
@@ -6,10 +6,6 @@
 
 set -ex
 
-# libtcc1.a
-tcc -c -D HAVE_CONFIG_H=1 lib/libtcc1.c
-tcc -ar cr ${libdir}/tcc/libtcc1.a libtcc1.o
-cd ../mes-libc
 # crt{1,n,i}.o
 tcc -c -D HAVE_CONFIG_H=1 -I include -I include/linux/x86 -o ${libdir}/crt1.o lib/linux/x86-mes-gcc/crt1.c
 tcc -c -D HAVE_CONFIG_H=1 -I include -I include/linux/x86 -o ${libdir}/crtn.o lib/linux/x86-mes-gcc/crtn.c
diff --git a/sysa/tcc-0.9.27/mes-libc-patched.kaem b/sysa/tcc-0.9.27/mes-libc-patched.kaem
index 19171c3..9c57d68 100755
--- a/sysa/tcc-0.9.27/mes-libc-patched.kaem
+++ b/sysa/tcc-0.9.27/mes-libc-patched.kaem
@@ -10,11 +10,10 @@ set -ex
 cd src/mes-libc
 
 # Patch
-patch -Np0 -i ../../patches/mes-libc-qsort.patch
-patch -Np0 -i ../../patches/mes-libc-crt1.patch
+patch -Np0 -i ../../patches-mes-libc/qsort.patch
+patch -Np0 -i ../../patches-mes-libc/crt1.patch
 
 # Recompile libc
-cd ../tcc-0.9.27
 kaem --file ../../compile-libc.kaem
 
 cd ../..
diff --git a/sysa/tcc-0.9.27/patches/mes-libc-crt1.patch b/sysa/tcc-0.9.27/patches-mes-libc/crt1.patch
similarity index 100%
rename from sysa/tcc-0.9.27/patches/mes-libc-crt1.patch
rename to sysa/tcc-0.9.27/patches-mes-libc/crt1.patch
diff --git a/sysa/tcc-0.9.27/patches/mes-libc-qsort.patch b/sysa/tcc-0.9.27/patches-mes-libc/qsort.patch
similarity index 100%
rename from sysa/tcc-0.9.27/patches/mes-libc-qsort.patch
rename to sysa/tcc-0.9.27/patches-mes-libc/qsort.patch
diff --git a/sysa/tcc-0.9.27/patches-musl-pass3/ignore-static-inside-array.patch b/sysa/tcc-0.9.27/patches-musl-pass3/ignore-static-inside-array.patch
new file mode 120000
index 0000000..3ba9adc
--- /dev/null
+++ b/sysa/tcc-0.9.27/patches-musl-pass3/ignore-static-inside-array.patch
@@ -0,0 +1 @@
+../patches/ignore-static-inside-array.patch
\ No newline at end of file
diff --git a/sysa/tcc-0.9.27/patches-musl-pass3/static-link.patch b/sysa/tcc-0.9.27/patches-musl-pass3/static-link.patch
new file mode 120000
index 0000000..6d77dd3
--- /dev/null
+++ b/sysa/tcc-0.9.27/patches-musl-pass3/static-link.patch
@@ -0,0 +1 @@
+../patches/static-link.patch
\ No newline at end of file
diff --git a/sysa/tcc-0.9.27/src/tcc-0.9.27 b/sysa/tcc-0.9.27/src/tcc-0.9.27
deleted file mode 160000
index d348a9a..0000000
--- a/sysa/tcc-0.9.27/src/tcc-0.9.27
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d348a9a51d32cece842b7885d27a411436d7887b
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 862c344..27af3e0 100755
--- a/sysa/tcc-0.9.27/tcc-0.9.27.kaem
+++ b/sysa/tcc-0.9.27/tcc-0.9.27.kaem
@@ -1,21 +1,31 @@
 #!/bin/sh
 
 # SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 set -ex
 
-cd src/tcc-0.9.27
+cd build
+
+# Extract
+bunzip2 ../src/${pkg}.tar.bz2
+tar xf ../src/${pkg}.tar
+cd ${pkg}
 
 # Create config.h
 catm config.h
 
-# Compile the binary
-tcc \
+# Patch
+patch -Np0 -i ../../patches/static-link.patch
+patch -Np0 -i ../../patches/ignore-static-inside-array.patch
+
+# Compile
+tcc-0.9.26 \
     -v \
     -static \
-    -o tcc \
+    -o ${bindir}/tcc \
     -D TCC_TARGET_I386=1 \
     -D CONFIG_TCCDIR=\"${libdir}/tcc\" \
     -D CONFIG_TCC_CRTPREFIX=\"${libdir}\" \
@@ -29,17 +39,14 @@ tcc \
     -D ONE_SOURCE=1 \
     tcc.c
 
-# Install the binary
-cp tcc ${bindir}/tcc
-chmod 755 ${bindir}/tcc
-
 # Test
 tcc -version
 
 # Recompile libc
+cd ../../src/mes-libc/
 kaem --file ../../compile-libc.kaem
 
 cd ../..
 
 # Checksums
-fletcher16 checksums/tcc-0.9.27
+sha256sum -c checksums/tcc-0.9.27
diff --git a/sysa/tcc-0.9.27/tcc-musl-pass1.sh b/sysa/tcc-0.9.27/tcc-musl-pass1.sh
index f3bdec0..f880e29 100755
--- a/sysa/tcc-0.9.27/tcc-musl-pass1.sh
+++ b/sysa/tcc-0.9.27/tcc-musl-pass1.sh
@@ -2,14 +2,10 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-src_unpack() {
-    cp -r ../src/tcc-0.9.27 .
-}
-
 src_prepare() {
-    # Note that tcc includes static-link and ignore-static-inside-array patches
-    # since we do not build from clean checkout.
-    patch -Np0 -i ../../patches/ignore-duplicate-symbols.patch
+    default_src_prepare
+
+    touch config.h
 }
 
 src_compile() {
diff --git a/sysa/tcc-0.9.27/tcc-musl-pass2.sh b/sysa/tcc-0.9.27/tcc-musl-pass2.sh
index 080a935..d5c8a8a 100755
--- a/sysa/tcc-0.9.27/tcc-musl-pass2.sh
+++ b/sysa/tcc-0.9.27/tcc-musl-pass2.sh
@@ -3,15 +3,10 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-src_unpack() {
-    cp -r ../src/tcc-0.9.27 .
-}
-
 src_prepare() {
-    # Note that tcc includes static-link and ignore-static-inside-array patches
-    # since we do not build from clean checkout.
+    default_src_prepare
 
-    patch -Np0 -i ../../patches/ignore-duplicate-symbols.patch
+    touch config.h
 }
 
 src_compile() {
diff --git a/sysa/tcc-0.9.27/tcc-musl-pass3.sh b/sysa/tcc-0.9.27/tcc-musl-pass3.sh
index 84b8745..dc2b351 100755
--- a/sysa/tcc-0.9.27/tcc-musl-pass3.sh
+++ b/sysa/tcc-0.9.27/tcc-musl-pass3.sh
@@ -3,15 +3,10 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-src_unpack() {
-    cp -r ../src/tcc-0.9.27 .
-}
-
 src_prepare() {
-    # Note that tcc includes static-link and ignore-static-inside-array patches
-    # since we do not build from clean checkout.
+    default_src_prepare
 
-    :
+    touch config.h
 }
 
 src_compile() {
diff --git a/sysa/tcc-0.9.27/tcc-patched.kaem b/sysa/tcc-0.9.27/tcc-patched.kaem
deleted file mode 100755
index 9f7ca75..0000000
--- a/sysa/tcc-0.9.27/tcc-patched.kaem
+++ /dev/null
@@ -1,41 +0,0 @@
-#!/bin/sh
-
-# SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-set -ex
-
-cd src/tcc-0.9.27
-
-# Patch
-patch -Np0 -i ../../patches/static-link.patch
-patch -Np0 -i ../../patches/ignore-static-inside-array.patch
-
-# Compile
-## We have to use 0.9.26 to recompile 0.9.27, 0.9.27 is not self-hosting for
-## whatever reason.
-tcc-0.9.26 \
-    -v \
-    -static \
-    -o ${bindir}/tcc \
-    -D TCC_TARGET_I386=1 \
-    -D CONFIG_TCCDIR=\"${libdir}/tcc\" \
-    -D CONFIG_TCC_CRTPREFIX=\"${libdir}\" \
-    -D CONFIG_TCC_ELFINTERP=\"/mes/loader\" \
-    -D CONFIG_TCC_LIBPATHS=\"${libdir}:${libdir}/tcc\" \
-    -D CONFIG_TCC_SYSINCLUDEPATHS=\"${prefix}/include\" \
-    -D TCC_LIBGCC=\"${libdir}/libc.a\" \
-    -D CONFIG_TCC_STATIC=1 \
-    -D CONFIG_USE_LIBGCC=1 \
-    -D TCC_VERSION=\"0.9.27\" \
-    -D ONE_SOURCE=1 \
-    tcc.c
-
-# Test
-tcc -version
-
-cd ../..
-
-# Checksums
-sha256sum -c checksums/tcc-patched