diff --git a/rootfs.py b/rootfs.py
index 6f4faf0..ae08ab9 100755
--- a/rootfs.py
+++ b/rootfs.py
@@ -227,6 +227,7 @@ print(shutil.which('chroot'))
                                   '--dev-bind', '/dev/urandom', '/dev/urandom',
                                   '--dev-bind', '/dev/ptmx', '/dev/ptmx',
                                   '--dev-bind', '/dev/tty', '/dev/tty',
+                                  '--ro-bind', '/usr/bin/qemu-riscv64', '/usr/bin/qemu-riscv64',
                                   '--tmpfs', '/dev/shm',
                                   '--proc', '/proc',
                                   '--bind', '/sys', '/sys',
diff --git a/seed/seed.kaem b/seed/seed.kaem
index b95242f..8bdab58 100755
--- a/seed/seed.kaem
+++ b/seed/seed.kaem
@@ -60,7 +60,7 @@ M2LIBC_PATH=/M2libc
 
 # mes envars
 NYACC_PKG=nyacc-1.00.2
-MES_PKG=mes-0.25
+MES_PKG=mes-wip
 MES_PREFIX=${SRCDIR}/${MES_PKG}/build/${MES_PKG}
 GUILE_LOAD_PATH=${MES_PREFIX}/mes/module:${MES_PREFIX}/module:${SRCDIR}/${MES_PKG}/build/${NYACC_PKG}/module
 
diff --git a/steps/bash-2.05b/mk/common.mk b/steps/bash-2.05b/mk/common.mk
index 4062ff9..2300a0b 100644
--- a/steps/bash-2.05b/mk/common.mk
+++ b/steps/bash-2.05b/mk/common.mk
@@ -49,6 +49,7 @@ COMMON_CFLAGS  = \
 	-DHAVE_BZERO \
 	-DHAVE_POSIX_SIGNALS \
 	-DHAVE_GETCWD \
+	-DHAVE_RENAME \
 	-DHAVE_SYS_SIGLIST \
 	-Dendpwent\(x\)=0 \
 	-Denable_hostname_completion\(on_or_off\)=0
diff --git a/steps/bzip2-1.0.8/bzip2-1.0.8.checksums b/steps/bzip2-1.0.8/bzip2-1.0.8.checksums
index 30a0d90..e0471ae 100644
--- a/steps/bzip2-1.0.8/bzip2-1.0.8.checksums
+++ b/steps/bzip2-1.0.8/bzip2-1.0.8.checksums
@@ -1 +1 @@
-d04adf65091f839217b5ae725df01ad9ddeb77e74cd7474b26cf2fa8962ad150  /usr/bin/bzip2
+103af2b8cb00efe5ea91266978db548a69cee5883aa6263e1f1b960448065580  /usr/bin/bzip2
diff --git a/steps/checksum-transcriber-1.0/checksum-transcriber-1.0.riscv64.checksums b/steps/checksum-transcriber-1.0/checksum-transcriber-1.0.riscv64.checksums
index f745f4a..7983d3c 100644
--- a/steps/checksum-transcriber-1.0/checksum-transcriber-1.0.riscv64.checksums
+++ b/steps/checksum-transcriber-1.0/checksum-transcriber-1.0.riscv64.checksums
@@ -1 +1 @@
-b6145df4b2a92d5ee75902f4367e7a1a5456a5cef7a2e1365610637b054c477a  /usr/bin/checksum-transcriber
+560df1e8527df9758252f6255c144cfd6b1555b9d2aa6162011204061af80ab5  /usr/bin/checksum-transcriber
diff --git a/steps/gzip-1.2.4/gzip-1.2.4.checksums b/steps/gzip-1.2.4/gzip-1.2.4.checksums
index c7aa5a0..016941c 100644
--- a/steps/gzip-1.2.4/gzip-1.2.4.checksums
+++ b/steps/gzip-1.2.4/gzip-1.2.4.checksums
@@ -1 +1 @@
-2eea6424aebf9d68e674c48c729e2eff72cfe330f5d4a5cc3918b7275c36e679  /usr/bin/gzip
+e5ddef55d9747552d3d29662312417d8223b125d6df423fdec303e2684e2c34c  /usr/bin/gzip
diff --git a/steps/make-3.82/make-3.82.checksums b/steps/make-3.82/make-3.82.checksums
index f7c4748..4350545 100644
--- a/steps/make-3.82/make-3.82.checksums
+++ b/steps/make-3.82/make-3.82.checksums
@@ -1 +1 @@
-b1345773131fa42c6b746482a0031037823fb772dd81b7b3771c51db9aeeb7f9  /usr/bin/make
+43ad49ef3345573286a93ce74c1c952edd600fb1335529d8394a53bc87189fd1  /usr/bin/make
diff --git a/steps/make-3.82/pass1.kaem b/steps/make-3.82/pass1.kaem
index aaa80e4..f0edaa1 100755
--- a/steps/make-3.82/pass1.kaem
+++ b/steps/make-3.82/pass1.kaem
@@ -26,34 +26,34 @@ catm config.h
 cp ../../files/putenv_stub.c putenv_stub.c
 
 # Compile
-tcc -c getopt.c
-tcc -c getopt1.c
-tcc -c -I. -Iglob -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DHAVE_STDINT_H ar.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DHAVE_FCNTL_H arscan.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DFILE_TIMESTAMP_HI_RES=0 commands.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DSCCS_GET=\"/nullop\" default.c
-tcc -c -I. -Iglob -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DHAVE_DIRENT_H dir.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART expand.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DFILE_TIMESTAMP_HI_RES=0 file.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -Dvfork=fork function.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART implicit.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DHAVE_DUP2 -DHAVE_STRCHR -Dvfork=fork job.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DLOCALEDIR=\"/fake-locale\" -DPACKAGE=\"fake-make\" -DHAVE_MKTEMP -DHAVE_GETCWD main.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DHAVE_STRERROR -DHAVE_VPRINTF -DHAVE_ANSI_COMPILER -DHAVE_STDARG_H misc.c
-tcc -c -I. -Iglob -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DINCLUDEDIR=\"${PREFIX}/include\" read.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DFILE_TIMESTAMP_HI_RES=0 -DHAVE_FCNTL_H -DLIBDIR=\"${PREFIX}/lib\" remake.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART rule.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART signame.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART strcache.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART variable.c
-tcc -c -I. -DVERSION=\"3.82\" version.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART vpath.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART hash.c
-tcc -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART remote-stub.c
-tcc -c -DHAVE_FCNTL_H getloadavg.c
-tcc -c -Iglob -DSTDC_HEADERS glob/fnmatch.c
-tcc -c -Iglob -DHAVE_STRDUP -DHAVE_DIRENT_H glob/glob.c
-tcc -c putenv_stub.c
+tcc -DNO_FLOAT -c getopt.c
+tcc -DNO_FLOAT -c getopt1.c
+tcc -DNO_FLOAT -c -I. -Iglob -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DHAVE_STDINT_H ar.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DHAVE_FCNTL_H arscan.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DFILE_TIMESTAMP_HI_RES=0 commands.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DSCCS_GET=\"/nullop\" default.c
+tcc -DNO_FLOAT -c -I. -Iglob -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DHAVE_DIRENT_H dir.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART expand.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DFILE_TIMESTAMP_HI_RES=0 file.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -Dvfork=fork function.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART implicit.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DHAVE_DUP2 -DHAVE_STRCHR -Dvfork=fork job.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DLOCALEDIR=\"/fake-locale\" -DPACKAGE=\"fake-make\" -DHAVE_MKTEMP -DHAVE_GETCWD main.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DHAVE_STRERROR -DHAVE_VPRINTF -DHAVE_ANSI_COMPILER -DHAVE_STDARG_H misc.c
+tcc -DNO_FLOAT -c -I. -Iglob -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DINCLUDEDIR=\"${PREFIX}/include\" read.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART -DFILE_TIMESTAMP_HI_RES=0 -DHAVE_FCNTL_H -DLIBDIR=\"${PREFIX}/lib\" remake.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART rule.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART signame.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART strcache.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART variable.c
+tcc -DNO_FLOAT -c -I. -DVERSION=\"3.82\" version.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART vpath.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART hash.c
+tcc -DNO_FLOAT -c -I. -DHAVE_INTTYPES_H -DHAVE_SA_RESTART remote-stub.c
+tcc -DNO_FLOAT -c -DHAVE_FCNTL_H getloadavg.c
+tcc -DNO_FLOAT -c -Iglob -DSTDC_HEADERS glob/fnmatch.c
+tcc -DNO_FLOAT -c -Iglob -DHAVE_STRDUP -DHAVE_DIRENT_H glob/glob.c
+tcc -DNO_FLOAT -c putenv_stub.c
 
 # Link
 tcc -static -o ${BINDIR}/make getopt.o getopt1.o ar.o arscan.o commands.o default.o dir.o expand.o file.o function.o implicit.o job.o main.o misc.o read.o remake.o rule.o signame.o strcache.o variable.o version.o vpath.o hash.o remote-stub.o getloadavg.o fnmatch.o glob.o putenv_stub.o
diff --git a/steps/manifest b/steps/manifest
index c540041..f13b63f 100644
--- a/steps/manifest
+++ b/steps/manifest
@@ -33,7 +33,7 @@
 
 build: checksum-transcriber-1.0
 build: simple-patch-1.0
-build: mes-0.25
+build: mes-wip
 build: tcc-0.9.26
 build: tcc-0.9.27
 define: BUILD_FIWIX = ( KERNEL_BOOTSTRAP == True || BUILD_KERNELS == True )
diff --git a/steps/mes-0.25/files/config.h b/steps/mes-0.25/files/config.h
deleted file mode 100644
index e79ee96..0000000
--- a/steps/mes-0.25/files/config.h
+++ /dev/null
@@ -1,7 +0,0 @@
-// SPDX-FileCopyrightText: 2020 fosslinux <fosslinux@aussies.space>
-// SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
-//
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#undef SYSTEM_LIBC
-#define MES_VERSION "0.25"
diff --git a/steps/mes-0.25/mes-0.25.amd64.checksums b/steps/mes-0.25/mes-0.25.amd64.checksums
deleted file mode 100644
index cf85918..0000000
--- a/steps/mes-0.25/mes-0.25.amd64.checksums
+++ /dev/null
@@ -1,14 +0,0 @@
-9c7318aceeb21856d3f0346d41cb41b794bc2c5c7bf3415e6067105c75e3824f  /usr/bin/mes
-94668ea026e429f38bc37fadc75f987899784af4239f55b2951d87227b72aa98  /usr/bin/mes-m2
-a7375f00fdafff9d76ec63290471c97123b0e29b21747b21604835235b5bb3b7  /usr/bin/mescc.scm
-c66de1ba72b8019eee113271638e4e30543aa7d34f45c9cc751346dba0d8817c  /usr/lib/x86_64-mes/crt1.s
-d0a80b94228deb99bda15244f0ed3736badd0632c78a3379195ba24a78f68a75  /usr/lib/x86_64-mes/crt1.o
-ff5640d78b9924dd40157596438da4108a97fe658806fbbadced38b4020395f4  /usr/lib/x86_64-mes/x86_64.M1
-684bfcde34f118026d875acf2dbe2e4a39dce96d5f938f534995b582ba1a4241  /usr/lib/x86_64-mes/libmescc.s
-7f5c8d9a5226fd33aa310e4d76151fb4f39969387ea00527356f7891f9e7ff6b  /usr/lib/x86_64-mes/libc+tcc.s
-53de3c338d82cb45848193b95d319b7a860d289a14824f1961c655b167aabd68  /usr/lib/x86_64-mes/libc.s
-ad1f1e390f675db2a3545aecc63df798d49317cad2ae5eadb9382df960bbd9f3  /usr/lib/x86_64-mes/libmescc.a
-5bce272890558f2c628030eeff06889346398d15ebe46bb9d9f116162fa6f547  /usr/lib/x86_64-mes/libc+tcc.a
-264bfb52a14957759e65c9c1224f0ca750713107586db367a2e235729797ecda  /usr/lib/x86_64-mes/libc.a
-48c57492e80a99bf16eeba55e242b60b9e759992482b651d1b512f07ddd9a65a  /usr/lib/linux/x86_64-mes/elf64-header.hex2
-94c796cb34a6e581491d0cf609e7fad01715c84a17b8b2017178a36568a80e48  /usr/lib/linux/x86_64-mes/elf64-footer-single-main.hex2
diff --git a/steps/mes-0.25/mes-0.25.riscv64.checksums b/steps/mes-0.25/mes-0.25.riscv64.checksums
deleted file mode 100644
index 58eb11e..0000000
--- a/steps/mes-0.25/mes-0.25.riscv64.checksums
+++ /dev/null
@@ -1,14 +0,0 @@
-4c722a7455db030122072f3bb7b2733a1b826460c1022308d314775685838447  /usr/bin/mes
-c149469a741b170bfe3da4e737b3d68490996cc957d593ea5555301de0329afc  /usr/bin/mes-m2
-3296b313d02fe4a4f7ba37446b5cdf9e7c472426a942b7e7227fe7f9929ad97f  /usr/bin/mescc.scm
-50441b03b915bd51fb811749901a56b3c42186b45f7f466dbf23337eafad520c  /usr/lib/riscv64-mes/crt1.s
-a96a0a8f1b2dd1e5a7dad8264c92b5448be7d29aa7706d40d67be978d5ddc305  /usr/lib/riscv64-mes/crt1.o
-1511e99da81caa02490078c7a880ac97d439b6fec99cf846dc2044468e2444b8  /usr/lib/riscv64-mes/riscv64.M1
-8f7e94270c7cbb076ff5fe3cdd0d6c891537e7945e5aa4bdbf167867471bfbc2  /usr/lib/riscv64-mes/libmescc.s
-dc017df6d381bd13909f01eea43a9baf5210312715e1bb95c8d4df5f35566276  /usr/lib/riscv64-mes/libc+tcc.s
-409ef724a5f67bcfec1696e5f99d15b089e7e2b9d8c9a91134d6e2bcdb515d9c  /usr/lib/riscv64-mes/libc.s
-5027a055f6c564417bf5194a9b43a8a93ae59d9a26ce75a55895f253a6aab2c2  /usr/lib/riscv64-mes/libmescc.a
-938cbb375ca287c3a3e19d3b86ccf1e805963f6b47c4f7fcf3c857edf77f19f3  /usr/lib/riscv64-mes/libc+tcc.a
-a994b9aeeff0b7a0cc36e0214848ede3b0dc9d11dd3986562713a672dcb6d3f6  /usr/lib/riscv64-mes/libc.a
-22ad5f7b6e5ea07b275619956bddd913b061d6ad492a442e4b6b2f28898e50ae  /usr/lib/linux/riscv64-mes/elf64-header.hex2
-94c796cb34a6e581491d0cf609e7fad01715c84a17b8b2017178a36568a80e48  /usr/lib/linux/riscv64-mes/elf64-footer-single-main.hex2
diff --git a/steps/mes-0.25/sources b/steps/mes-0.25/sources
deleted file mode 100644
index 8a46966..0000000
--- a/steps/mes-0.25/sources
+++ /dev/null
@@ -1,2 +0,0 @@
-https://mirrors.kernel.org/gnu/mes/mes-0.25.tar.gz 325250b3567ed9203ba70161c835af01079e73ebed97b4b5bb77ca500b828940
-https://download.savannah.gnu.org/releases/nyacc/nyacc-1.00.2.tar.gz f36e4fb7dd524dc3f4b354d3d5313f69e7ce5a6ae93711e8cf6d51eaa8d2b318
diff --git a/steps/patch-2.5.9/patch-2.5.9.checksums b/steps/patch-2.5.9/patch-2.5.9.checksums
index 5a773f9..a6fcde2 100644
--- a/steps/patch-2.5.9/patch-2.5.9.checksums
+++ b/steps/patch-2.5.9/patch-2.5.9.checksums
@@ -1 +1 @@
-cdb22238dfa7f659c3d7afae6e93f27b4c84a40e082b20bc78a8b19a0dc79536  /usr/bin/patch
+728596bca1f67ec8386f312d8738eeb398203505851faad91406c29a299bc748  /usr/bin/patch
diff --git a/steps/sed-4.0.9/sed-4.0.9.checksums b/steps/sed-4.0.9/sed-4.0.9.checksums
index 98b8bb7..a36c2dc 100644
--- a/steps/sed-4.0.9/sed-4.0.9.checksums
+++ b/steps/sed-4.0.9/sed-4.0.9.checksums
@@ -1 +1 @@
-27dbc29d04ad2a2905ab56c198660510010377062d716bc791a8d0e281fec4d4  /usr/bin/sed
+58d2dd86201ed5ed48f546876eae862f6749983354e0408234d0801796dc8c0c  /usr/bin/sed
diff --git a/steps/tar-1.12/tar-1.12.checksums b/steps/tar-1.12/tar-1.12.checksums
index 35cbab8..c421e53 100644
--- a/steps/tar-1.12/tar-1.12.checksums
+++ b/steps/tar-1.12/tar-1.12.checksums
@@ -1 +1 @@
-0b14f1849c2c8dab671399905753e0503f7ba60bfc807b0be13132da6c9814e9  /usr/bin/tar
+05a5983f7961c92c1cf4caae9dcf9cc73c5820e83dc142d1893ece2571a62019  /usr/bin/tar
diff --git a/steps/tcc-0.9.26/pass1.kaem b/steps/tcc-0.9.26/pass1.kaem
index 1e1b15c..240d7e2 100755
--- a/steps/tcc-0.9.26/pass1.kaem
+++ b/steps/tcc-0.9.26/pass1.kaem
@@ -15,7 +15,7 @@ MES_SOURCE=${MES_PREFIX}
 MES=${BINDIR}/mes
 
 TCC_TAR=tcc-0.9.26
-TCC_PKG=tcc-0.9.26-1147-gee75a10c
+TCC_PKG=tcc-0.9.26-1150-ga0de0ae4
 
 # Check tarball checksums
 checksum-transcriber sources
@@ -99,7 +99,7 @@ cd ../${MES_PKG}
 
 # Create unified libc file
 cd lib
-catm ../unified-libc.c ctype/isalnum.c ctype/isalpha.c ctype/isascii.c ctype/iscntrl.c ctype/isdigit.c ctype/isgraph.c ctype/islower.c ctype/isnumber.c ctype/isprint.c ctype/ispunct.c ctype/isspace.c ctype/isupper.c ctype/isxdigit.c ctype/tolower.c ctype/toupper.c dirent/closedir.c dirent/__getdirentries.c dirent/opendir.c dirent/readdir.c linux/access.c linux/brk.c linux/chdir.c linux/chmod.c linux/clock_gettime.c linux/close.c linux/dup2.c linux/dup.c linux/execve.c linux/fcntl.c linux/fork.c linux/fsync.c linux/fstat.c linux/_getcwd.c linux/getdents.c linux/getegid.c linux/geteuid.c linux/getgid.c linux/getpid.c linux/getppid.c linux/getrusage.c linux/gettimeofday.c linux/getuid.c linux/ioctl.c linux/ioctl3.c linux/kill.c linux/link.c linux/lseek.c linux/lstat.c linux/malloc.c linux/mkdir.c linux/mknod.c linux/nanosleep.c linux/_open3.c linux/pipe.c linux/_read.c linux/readlink.c linux/rename.c linux/rmdir.c linux/setgid.c linux/settimer.c linux/setuid.c linux/signal.c linux/sigprogmask.c linux/symlink.c linux/stat.c linux/time.c linux/unlink.c linux/waitpid.c linux/wait4.c linux/${MES_ARCH}-mes-${MES_LIBC_SUFFIX}/_exit.c linux/${MES_ARCH}-mes-${MES_LIBC_SUFFIX}/syscall.c linux/${MES_ARCH}-mes-${MES_LIBC_SUFFIX}/_write.c math/ceil.c math/fabs.c math/floor.c mes/abtod.c mes/abtol.c mes/__assert_fail.c mes/assert_msg.c mes/__buffered_read.c mes/__init_io.c mes/cast.c mes/dtoab.c mes/eputc.c mes/eputs.c mes/fdgetc.c mes/fdgets.c mes/fdputc.c mes/fdputs.c mes/fdungetc.c mes/globals.c mes/itoa.c mes/ltoab.c mes/ltoa.c mes/__mes_debug.c mes/mes_open.c mes/ntoab.c mes/oputc.c mes/oputs.c mes/search-path.c mes/ultoa.c mes/utoa.c posix/alarm.c posix/buffered-read.c posix/execl.c posix/execlp.c posix/execv.c posix/execvp.c posix/getcwd.c posix/getenv.c posix/isatty.c posix/mktemp.c posix/open.c posix/raise.c posix/sbrk.c posix/setenv.c posix/sleep.c posix/unsetenv.c posix/wait.c posix/write.c stdio/clearerr.c stdio/fclose.c stdio/fdopen.c stdio/feof.c stdio/ferror.c stdio/fflush.c stdio/fgetc.c stdio/fgets.c stdio/fileno.c stdio/fopen.c stdio/fprintf.c stdio/fputc.c stdio/fputs.c stdio/fread.c stdio/freopen.c stdio/fscanf.c stdio/fseek.c stdio/ftell.c stdio/fwrite.c stdio/getc.c stdio/getchar.c stdio/perror.c stdio/printf.c stdio/putc.c stdio/putchar.c stdio/remove.c stdio/snprintf.c stdio/sprintf.c stdio/sscanf.c stdio/ungetc.c stdio/vfprintf.c stdio/vfscanf.c stdio/vprintf.c stdio/vsnprintf.c stdio/vsprintf.c stdio/vsscanf.c stdlib/abort.c stdlib/abs.c stdlib/alloca.c stdlib/atexit.c stdlib/atof.c stdlib/atoi.c stdlib/atol.c stdlib/calloc.c stdlib/__exit.c stdlib/exit.c stdlib/free.c stdlib/mbstowcs.c stdlib/puts.c stdlib/qsort.c stdlib/realloc.c stdlib/strtod.c stdlib/strtof.c stdlib/strtol.c stdlib/strtold.c stdlib/strtoll.c stdlib/strtoul.c stdlib/strtoull.c string/bcmp.c string/bcopy.c string/bzero.c string/index.c string/memchr.c string/memcmp.c string/memcpy.c string/memmem.c string/memmove.c string/memset.c string/rindex.c string/strcat.c string/strchr.c string/strcmp.c string/strcpy.c string/strcspn.c string/strdup.c string/strerror.c string/strlen.c string/strlwr.c string/strncat.c string/strncmp.c string/strncpy.c string/strpbrk.c string/strrchr.c string/strspn.c string/strstr.c string/strupr.c stub/atan2.c stub/bsearch.c stub/chown.c stub/__cleanup.c stub/cos.c stub/ctime.c stub/exp.c stub/fpurge.c stub/freadahead.c stub/frexp.c stub/getgrgid.c stub/getgrnam.c stub/getlogin.c stub/getpgid.c stub/getpgrp.c stub/getpwnam.c stub/getpwuid.c stub/gmtime.c stub/ldexp.c stub/localtime.c stub/log.c stub/mktime.c stub/modf.c stub/mprotect.c stub/pclose.c stub/popen.c stub/pow.c stub/rand.c stub/rewind.c stub/setbuf.c stub/setgrent.c stub/setlocale.c stub/setvbuf.c stub/sigaction.c stub/sigaddset.c stub/sigblock.c stub/sigdelset.c stub/sigemptyset.c stub/sigsetmask.c stub/sin.c stub/sys_siglist.c stub/system.c stub/sqrt.c stub/strftime.c stub/times.c stub/ttyname.c stub/umask.c stub/utime.c ${MES_ARCH}-mes-${MES_LIBC_SUFFIX}/setjmp.c
+catm ../unified-libc.c ctype/isalnum.c ctype/isalpha.c ctype/isascii.c ctype/iscntrl.c ctype/isdigit.c ctype/isgraph.c ctype/islower.c ctype/isnumber.c ctype/isprint.c ctype/ispunct.c ctype/isspace.c ctype/isupper.c ctype/isxdigit.c ctype/tolower.c ctype/toupper.c dirent/closedir.c dirent/__getdirentries.c dirent/opendir.c linux/readdir.c linux/access.c linux/brk.c linux/chdir.c linux/chmod.c linux/clock_gettime.c linux/close.c linux/dup2.c linux/dup.c linux/execve.c linux/fcntl.c linux/fork.c linux/fsync.c linux/fstat.c linux/_getcwd.c linux/getdents.c linux/getegid.c linux/geteuid.c linux/getgid.c linux/getpid.c linux/getppid.c linux/getrusage.c linux/gettimeofday.c linux/getuid.c linux/ioctl.c linux/ioctl3.c linux/kill.c linux/link.c linux/lseek.c linux/lstat.c linux/malloc.c linux/mkdir.c linux/mknod.c linux/nanosleep.c linux/_open3.c linux/pipe.c linux/_read.c linux/readlink.c linux/rename.c linux/rmdir.c linux/setgid.c linux/settimer.c linux/setuid.c linux/signal.c linux/sigprogmask.c linux/symlink.c linux/stat.c linux/time.c linux/unlink.c linux/waitpid.c linux/wait4.c linux/${MES_ARCH}-mes-${MES_LIBC_SUFFIX}/_exit.c linux/${MES_ARCH}-mes-${MES_LIBC_SUFFIX}/syscall.c linux/${MES_ARCH}-mes-${MES_LIBC_SUFFIX}/_write.c math/ceil.c math/fabs.c math/floor.c mes/abtod.c mes/abtol.c mes/__assert_fail.c mes/assert_msg.c mes/__buffered_read.c mes/__init_io.c mes/cast.c mes/dtoab.c mes/eputc.c mes/eputs.c mes/fdgetc.c mes/fdgets.c mes/fdputc.c mes/fdputs.c mes/fdungetc.c mes/globals.c mes/itoa.c mes/ltoab.c mes/ltoa.c mes/__mes_debug.c mes/mes_open.c mes/ntoab.c mes/oputc.c mes/oputs.c mes/search-path.c mes/ultoa.c mes/utoa.c posix/alarm.c posix/buffered-read.c posix/execl.c posix/execlp.c posix/execv.c posix/execvp.c posix/getcwd.c posix/getenv.c posix/isatty.c posix/mktemp.c posix/open.c posix/raise.c posix/sbrk.c posix/setenv.c posix/sleep.c posix/unsetenv.c posix/wait.c posix/write.c stdio/clearerr.c stdio/fclose.c stdio/fdopen.c stdio/feof.c stdio/ferror.c stdio/fflush.c stdio/fgetc.c stdio/fgets.c stdio/fileno.c stdio/fopen.c stdio/fprintf.c stdio/fputc.c stdio/fputs.c stdio/fread.c stdio/freopen.c stdio/fscanf.c stdio/fseek.c stdio/ftell.c stdio/fwrite.c stdio/getc.c stdio/getchar.c stdio/perror.c stdio/printf.c stdio/putc.c stdio/putchar.c stdio/remove.c stdio/snprintf.c stdio/sprintf.c stdio/sscanf.c stdio/ungetc.c stdio/vfprintf.c stdio/vfscanf.c stdio/vprintf.c stdio/vsnprintf.c stdio/vsprintf.c stdio/vsscanf.c stdlib/abort.c stdlib/abs.c stdlib/alloca.c stdlib/atexit.c stdlib/atof.c stdlib/atoi.c stdlib/atol.c stdlib/calloc.c stdlib/__exit.c stdlib/exit.c stdlib/free.c stdlib/mbstowcs.c stdlib/puts.c stdlib/qsort.c stdlib/realloc.c stdlib/strtod.c stdlib/strtof.c stdlib/strtol.c stdlib/strtold.c stdlib/strtoll.c stdlib/strtoul.c stdlib/strtoull.c string/bcmp.c string/bcopy.c string/bzero.c string/index.c string/memchr.c string/memcmp.c string/memcpy.c string/memmem.c string/memmove.c string/memset.c string/rindex.c string/strcat.c string/strchr.c string/strcmp.c string/strcpy.c string/strcspn.c string/strdup.c string/strerror.c string/strlen.c string/strlwr.c string/strncat.c string/strncmp.c string/strncpy.c string/strpbrk.c string/strrchr.c string/strspn.c string/strstr.c string/strupr.c stub/atan2.c stub/bsearch.c stub/chown.c stub/__cleanup.c stub/cos.c stub/ctime.c stub/exp.c stub/fpurge.c stub/freadahead.c stub/frexp.c stub/getgrgid.c stub/getgrnam.c stub/getlogin.c stub/getpgid.c stub/getpgrp.c stub/getpwnam.c stub/getpwuid.c stub/gmtime.c stub/ldexp.c stub/localtime.c stub/log.c stub/mktime.c stub/modf.c stub/mprotect.c stub/pclose.c stub/popen.c stub/pow.c stub/rand.c stub/rewind.c stub/setbuf.c stub/setgrent.c stub/setlocale.c stub/setvbuf.c stub/sigaction.c stub/sigaddset.c stub/sigblock.c stub/sigdelset.c stub/sigemptyset.c stub/sigsetmask.c stub/sin.c stub/sys_siglist.c stub/system.c stub/sqrt.c stub/strftime.c stub/times.c stub/ttyname.c stub/umask.c stub/utime.c ${MES_ARCH}-mes-${MES_LIBC_SUFFIX}/setjmp.c
 cd ..
 
 # crt1.o
diff --git a/steps/tcc-0.9.26/sources b/steps/tcc-0.9.26/sources
index 4b02f59..79c2d27 100644
--- a/steps/tcc-0.9.26/sources
+++ b/steps/tcc-0.9.26/sources
@@ -1 +1 @@
-https://lilypond.org/janneke/tcc/tcc-0.9.26-1147-gee75a10c.tar.gz 6b8cbd0a5fed0636d4f0f763a603247bc1935e206e1cc5bda6a2818bab6e819f tcc-0.9.26.tar.gz
+http://lilypond.org/janneke/tcc/tcc-0.9.26-1150-ga0de0ae4.tar.gz 987fdeb131460bacdd31193a2380ba165a4a716634ed611ebbfc79c28dcb1cad tcc-0.9.26.tar.gz
diff --git a/steps/tcc-0.9.26/tcc-0.9.26.x86.checksums b/steps/tcc-0.9.26/tcc-0.9.26.x86.checksums
index d9f4289..6aa38f0 100644
--- a/steps/tcc-0.9.26/tcc-0.9.26.x86.checksums
+++ b/steps/tcc-0.9.26/tcc-0.9.26.x86.checksums
@@ -1,8 +1,8 @@
-48f0ac2f1fb8002a6a6958557732b83778f744de3e09085987d65c6981a57ab3  /usr/bin/tcc-mes
-b758fff28f3d03b057b0414eb92da0c46e22bc8e9da29af33fbe65b01047d25d  /usr/bin/tcc-boot0
-56e267e3031f548ea155d61a97fc3e6e8fff277159d7ae3273820a8c0f4582a0  /usr/bin/tcc-boot1
-3404d1e8f61be09c1caeba03dcf99abae8881a485fe13160e6bb5fe44538d378  /usr/bin/tcc
-3bfd10dfe347c4fb40fbf5f2f705cd806c77e0f80cf4ad1ecfd4beddada2937c  /usr/lib/mes/libc.a
+6a65dd1cd578ac11a5f7a75b0a431e1146112c3e1af31727f45b5a7fe6c9584f  /usr/bin/tcc-mes
+bc745d8e3fdd8e68aa6d6abb598cdf48cf63338b02eea1e8026756b2cc411ed7  /usr/bin/tcc-boot0
+26b534a34ef1ced83cc379b85eadf135d7b09a584a1de38651fe64001b78838c  /usr/bin/tcc-boot1
+1fdffe37d0a0f1beaa134fe9dc2900175254ed702759c991e039ade43f50d46d  /usr/bin/tcc
+d52110f683c4c1357f326205149f3cb4513b3e683c20064134bd6ff0f824a22a  /usr/lib/mes/libc.a
 12c07ae103e7e3b390150a79e5c600d88de14e9bb73a066f6342582729ef5a3f  /usr/lib/mes/libgetopt.a
 76d280e0733f2c84aad180968167d789a825ac56526bddba4f100d6d74851027  /usr/lib/mes/crt1.o
 09d4f9821a2566f7e56381a19259c41bd97f3c5ed83f490705acbfd1139a7736  /usr/lib/mes/crti.o
diff --git a/steps/tcc-0.9.27/pass1.kaem b/steps/tcc-0.9.27/pass1.kaem
index 6017708..760871f 100755
--- a/steps/tcc-0.9.27/pass1.kaem
+++ b/steps/tcc-0.9.27/pass1.kaem
@@ -55,7 +55,7 @@ cd ../${MES_PKG}
 
 # Create unified libc file
 cd lib
-catm ../unified-libc.c ctype/isalnum.c ctype/isalpha.c ctype/isascii.c ctype/iscntrl.c ctype/isdigit.c ctype/isgraph.c ctype/islower.c ctype/isnumber.c ctype/isprint.c ctype/ispunct.c ctype/isspace.c ctype/isupper.c ctype/isxdigit.c ctype/tolower.c ctype/toupper.c dirent/closedir.c dirent/__getdirentries.c dirent/opendir.c dirent/readdir.c linux/access.c linux/brk.c linux/chdir.c linux/chmod.c linux/clock_gettime.c linux/close.c linux/dup2.c linux/dup.c linux/execve.c linux/fcntl.c linux/fork.c linux/fsync.c linux/fstat.c linux/_getcwd.c linux/getdents.c linux/getegid.c linux/geteuid.c linux/getgid.c linux/getpid.c linux/getppid.c linux/getrusage.c linux/gettimeofday.c linux/getuid.c linux/ioctl.c linux/ioctl3.c linux/kill.c linux/link.c linux/lseek.c linux/lstat.c linux/malloc.c linux/mkdir.c linux/mknod.c linux/nanosleep.c linux/_open3.c linux/pipe.c linux/_read.c linux/readlink.c linux/rename.c linux/rmdir.c linux/setgid.c linux/settimer.c linux/setuid.c linux/signal.c linux/sigprogmask.c linux/symlink.c linux/stat.c linux/time.c linux/unlink.c linux/waitpid.c linux/x86-mes-gcc/_exit.c linux/x86-mes-gcc/syscall.c linux/x86-mes-gcc/_write.c math/ceil.c math/fabs.c math/floor.c mes/abtod.c mes/abtol.c mes/__assert_fail.c mes/assert_msg.c mes/__buffered_read.c mes/__init_io.c mes/cast.c mes/dtoab.c mes/eputc.c mes/eputs.c mes/fdgetc.c mes/fdgets.c mes/fdputc.c mes/fdputs.c mes/fdungetc.c mes/globals.c mes/itoa.c mes/ltoab.c mes/ltoa.c mes/__mes_debug.c mes/mes_open.c mes/ntoab.c mes/oputc.c mes/oputs.c mes/search-path.c mes/ultoa.c mes/utoa.c posix/alarm.c posix/buffered-read.c posix/execl.c posix/execlp.c posix/execv.c posix/execvp.c posix/getcwd.c posix/getenv.c posix/isatty.c posix/mktemp.c posix/open.c posix/raise.c posix/sbrk.c posix/setenv.c posix/sleep.c posix/unsetenv.c posix/wait.c posix/write.c stdio/clearerr.c stdio/fclose.c stdio/fdopen.c stdio/feof.c stdio/ferror.c stdio/fflush.c stdio/fgetc.c stdio/fgets.c stdio/fileno.c stdio/fopen.c stdio/fprintf.c stdio/fputc.c stdio/fputs.c stdio/fread.c stdio/freopen.c stdio/fscanf.c stdio/fseek.c stdio/ftell.c stdio/fwrite.c stdio/getc.c stdio/getchar.c stdio/perror.c stdio/printf.c stdio/putc.c stdio/putchar.c stdio/remove.c stdio/snprintf.c stdio/sprintf.c stdio/sscanf.c stdio/ungetc.c stdio/vfprintf.c stdio/vfscanf.c stdio/vprintf.c stdio/vsnprintf.c stdio/vsprintf.c stdio/vsscanf.c stdlib/abort.c stdlib/abs.c stdlib/alloca.c stdlib/atexit.c stdlib/atof.c stdlib/atoi.c stdlib/atol.c stdlib/calloc.c stdlib/__exit.c stdlib/exit.c stdlib/free.c stdlib/mbstowcs.c stdlib/puts.c stdlib/qsort.c stdlib/realloc.c stdlib/strtod.c stdlib/strtof.c stdlib/strtol.c stdlib/strtold.c stdlib/strtoll.c stdlib/strtoul.c stdlib/strtoull.c string/bcmp.c string/bcopy.c string/bzero.c string/index.c string/memchr.c string/memcmp.c string/memcpy.c string/memmem.c string/memmove.c string/memset.c string/rindex.c string/strcat.c string/strchr.c string/strcmp.c string/strcpy.c string/strcspn.c string/strdup.c string/strerror.c string/strlen.c string/strlwr.c string/strncat.c string/strncmp.c string/strncpy.c string/strpbrk.c string/strrchr.c string/strspn.c string/strstr.c string/strupr.c stub/atan2.c stub/bsearch.c stub/chown.c stub/__cleanup.c stub/cos.c stub/ctime.c stub/exp.c stub/fpurge.c stub/freadahead.c stub/frexp.c stub/getgrgid.c stub/getgrnam.c stub/getlogin.c stub/getpgid.c stub/getpgrp.c stub/getpwnam.c stub/getpwuid.c stub/gmtime.c stub/ldexp.c stub/localtime.c stub/log.c stub/mktime.c stub/modf.c stub/mprotect.c stub/pclose.c stub/popen.c stub/pow.c stub/rand.c stub/rewind.c stub/setbuf.c stub/setgrent.c stub/setlocale.c stub/setvbuf.c stub/sigaction.c stub/sigaddset.c stub/sigblock.c stub/sigdelset.c stub/sigemptyset.c stub/sigsetmask.c stub/sin.c stub/sys_siglist.c stub/system.c stub/sqrt.c stub/strftime.c stub/times.c stub/ttyname.c stub/umask.c stub/utime.c x86-mes-gcc/setjmp.c
+catm ../unified-libc.c ctype/isalnum.c ctype/isalpha.c ctype/isascii.c ctype/iscntrl.c ctype/isdigit.c ctype/isgraph.c ctype/islower.c ctype/isnumber.c ctype/isprint.c ctype/ispunct.c ctype/isspace.c ctype/isupper.c ctype/isxdigit.c ctype/tolower.c ctype/toupper.c dirent/closedir.c dirent/__getdirentries.c dirent/opendir.c linux/readdir.c linux/access.c linux/brk.c linux/chdir.c linux/chmod.c linux/clock_gettime.c linux/close.c linux/dup2.c linux/dup.c linux/execve.c linux/fcntl.c linux/fork.c linux/fsync.c linux/fstat.c linux/_getcwd.c linux/getdents.c linux/getegid.c linux/geteuid.c linux/getgid.c linux/getpid.c linux/getppid.c linux/getrusage.c linux/gettimeofday.c linux/getuid.c linux/ioctl.c linux/ioctl3.c linux/kill.c linux/link.c linux/lseek.c linux/lstat.c linux/malloc.c linux/mkdir.c linux/mknod.c linux/nanosleep.c linux/_open3.c linux/pipe.c linux/_read.c linux/readlink.c linux/rename.c linux/rmdir.c linux/setgid.c linux/settimer.c linux/setuid.c linux/signal.c linux/sigprogmask.c linux/symlink.c linux/stat.c linux/time.c linux/unlink.c linux/waitpid.c linux/x86-mes-gcc/_exit.c linux/x86-mes-gcc/syscall.c linux/x86-mes-gcc/_write.c math/ceil.c math/fabs.c math/floor.c mes/abtod.c mes/abtol.c mes/__assert_fail.c mes/assert_msg.c mes/__buffered_read.c mes/__init_io.c mes/cast.c mes/dtoab.c mes/eputc.c mes/eputs.c mes/fdgetc.c mes/fdgets.c mes/fdputc.c mes/fdputs.c mes/fdungetc.c mes/globals.c mes/itoa.c mes/ltoab.c mes/ltoa.c mes/__mes_debug.c mes/mes_open.c mes/ntoab.c mes/oputc.c mes/oputs.c mes/search-path.c mes/ultoa.c mes/utoa.c posix/alarm.c posix/buffered-read.c posix/execl.c posix/execlp.c posix/execv.c posix/execvp.c posix/getcwd.c posix/getenv.c posix/isatty.c posix/mktemp.c posix/open.c posix/raise.c posix/sbrk.c posix/setenv.c posix/sleep.c posix/unsetenv.c posix/wait.c posix/write.c stdio/clearerr.c stdio/fclose.c stdio/fdopen.c stdio/feof.c stdio/ferror.c stdio/fflush.c stdio/fgetc.c stdio/fgets.c stdio/fileno.c stdio/fopen.c stdio/fprintf.c stdio/fputc.c stdio/fputs.c stdio/fread.c stdio/freopen.c stdio/fscanf.c stdio/fseek.c stdio/ftell.c stdio/fwrite.c stdio/getc.c stdio/getchar.c stdio/perror.c stdio/printf.c stdio/putc.c stdio/putchar.c stdio/remove.c stdio/snprintf.c stdio/sprintf.c stdio/sscanf.c stdio/ungetc.c stdio/vfprintf.c stdio/vfscanf.c stdio/vprintf.c stdio/vsnprintf.c stdio/vsprintf.c stdio/vsscanf.c stdlib/abort.c stdlib/abs.c stdlib/alloca.c stdlib/atexit.c stdlib/atof.c stdlib/atoi.c stdlib/atol.c stdlib/calloc.c stdlib/__exit.c stdlib/exit.c stdlib/free.c stdlib/mbstowcs.c stdlib/puts.c stdlib/qsort.c stdlib/realloc.c stdlib/strtod.c stdlib/strtof.c stdlib/strtol.c stdlib/strtold.c stdlib/strtoll.c stdlib/strtoul.c stdlib/strtoull.c string/bcmp.c string/bcopy.c string/bzero.c string/index.c string/memchr.c string/memcmp.c string/memcpy.c string/memmem.c string/memmove.c string/memset.c string/rindex.c string/strcat.c string/strchr.c string/strcmp.c string/strcpy.c string/strcspn.c string/strdup.c string/strerror.c string/strlen.c string/strlwr.c string/strncat.c string/strncmp.c string/strncpy.c string/strpbrk.c string/strrchr.c string/strspn.c string/strstr.c string/strupr.c stub/atan2.c stub/bsearch.c stub/chown.c stub/__cleanup.c stub/cos.c stub/ctime.c stub/exp.c stub/fpurge.c stub/freadahead.c stub/frexp.c stub/getgrgid.c stub/getgrnam.c stub/getlogin.c stub/getpgid.c stub/getpgrp.c stub/getpwnam.c stub/getpwuid.c stub/gmtime.c stub/ldexp.c stub/localtime.c stub/log.c stub/mktime.c stub/modf.c stub/mprotect.c stub/pclose.c stub/popen.c stub/pow.c stub/rand.c stub/rewind.c stub/setbuf.c stub/setgrent.c stub/setlocale.c stub/setvbuf.c stub/sigaction.c stub/sigaddset.c stub/sigblock.c stub/sigdelset.c stub/sigemptyset.c stub/sigsetmask.c stub/sin.c stub/sys_siglist.c stub/system.c stub/sqrt.c stub/strftime.c stub/times.c stub/ttyname.c stub/umask.c stub/utime.c x86-mes-gcc/setjmp.c
 cd ..
 
 # Recompile libc: crt{1,n,i}, libtcc.a, libc.a
diff --git a/steps/tcc-0.9.27/tcc-0.9.27.checksums b/steps/tcc-0.9.27/tcc-0.9.27.checksums
index 091449d..54ce111 100644
--- a/steps/tcc-0.9.27/tcc-0.9.27.checksums
+++ b/steps/tcc-0.9.27/tcc-0.9.27.checksums
@@ -1 +1 @@
-cff99e8badc080f57f34b31560d266b703b79c5ed8380a9ddfc3f1694aba10bd  /usr/bin/tcc
+98d804bfd0cb486170633392ac4ea0f5e1a353973de489afcc9f9a5628867f6f  /usr/bin/tcc