clang

unvendor

06/recipes/2a8-python.sh

@@ -0,0 +1,70 @@
+#!/store/1-stage1/protobusybox/bin/ash
+
+#> FETCH 795c34f44df45a0e9b9710c8c71c15c671871524cd412ca14def212e8ccb155d
+#>  FROM https://www.python.org/ftp/python/3.12.0/Python-3.12.0.tar.xz
+
+set -uex
+
+export PATH='/store/1-stage1/protobusybox/bin/'
+export PATH="$PATH:/store/2a0-static-gnumake/wrappers"
+export PATH="$PATH:/store/2a1-static-binutils/bin"
+export PATH="$PATH:/store/2a5-gnugcc10/bin"
+
+export SHELL=/store/1-stage1/protobusybox/bin/ash
+
+mkdir -p /tmp/2a8-python; cd /tmp/2a8-python
+if [ -e /ccache/setup ]; then . /ccache/setup; fi
+
+echo "### $0: aliasing ash to sh..."
+mkdir aliases; ln -s /store/1-stage1/protobusybox/bin/ash aliases/sh
+export PATH="/tmp/2a8-python/aliases:$PATH"
+
+echo "### $0: unpacking CPython sources..."
+tar --strip-components=1 -xf /downloads/Python-3.12.0.tar.xz
+
+echo "### $0: fixing up CPython sources..."
+sed -i "s|/bin/sh|$SHELL|" configure install-sh
+sed -i 's|ac_sys_system=`uname -s`|ac_sys_system=Linux|' configure
+# the precompiled pyc files aren't reproducible,
+# but it's not like I need to waste time on them anyway.
+# break their generation
+mv Lib/compileall.py Lib/compileall.py.bak
+echo 'import sys; sys.exit(0)' > Lib/compileall.py; chmod +x Lib/compileall.py
+sed -i 's|__FILE__|"__FILE__"|' \
+	Python/errors.c \
+	Include/pyerrors.h \
+	Include/cpython/object.h \
+	Modules/pyexpat.c
+sed -i 's|TIME __TIME__|TIME "xx:xx:xx"|' Modules/getbuildinfo.c
+sed -i 's|DATE __DATE__|DATE "xx/xx/xx"|' Modules/getbuildinfo.c
+# different build path length leads to different wrapping. avoid
+sed -i 's|vars, stream=f|vars, stream=f, width=2**24|' Lib/sysconfig.py
+
+echo "### $0: building CPython..."
+mkdir -p /store/2a8-python/lib
+ash configure \
+	ac_cv_broken_sem_getvalue=yes \
+	ac_cv_posix_semaphores_enabled=no \
+	OPT='-DNDEBUG -fwrapv -O3 -Wall' \
+	LDFLAGS='-Wl,-rpath /store/2a8-python/lib' \
+	--without-static-libpython \
+	--build x86_64-linux-musl \
+	--prefix=/store/2a8-python \
+	--enable-shared \
+	--with-ensurepip=no
+# ensure reproducibility in case of no /dev/shm
+grep 'define POSIX_SEMAPHORES_NOT_ENABLED 1' pyconfig.h
+grep 'define HAVE_BROKEN_SEM_GETVALUE 1' pyconfig.h
+make -j $NPROC
+
+echo "### $0: installing CPython..."
+make -j $NPROC install
+# strip builddir mentions
+sed -i "s|/tmp/2a8-python|...|g" \
+	/store/2a8-python/lib/python3.*/_sysconfigdata__*.py \
+	/store/2a8-python/lib/python3.*/config-3.*-x86_64-linux-musl/Makefile
+# restore compileall just in case
+cat Lib/compileall.py.bak > /store/2a8-python/lib/python3.12/compileall.py
+
+echo "### $0: checking for build path leaks..."
+( ! grep -rF /tmp/2a8 /store/2a8-python )