74 lines
2.8 KiB
Nix
74 lines
2.8 KiB
Nix
{ fetchurl, mkDerivationStage2
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, stage1, static-gnumake, static-binutils, gnugcc10 }:
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let
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source-tarball-python = fetchurl {
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# local = /downloads/Python-3.12.0.tar.xz;
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url = "https://www.python.org/ftp/python/3.12.0/Python-3.12.0.tar.xz";
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sha256 = "795c34f44df45a0e9b9710c8c71c15c671871524cd412ca14def212e8ccb155d";
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};
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in
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mkDerivationStage2 {
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name = "bootstrap-2a8-python";
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buildInputPaths = [
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"${stage1.protobusybox}/bin"
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"${static-gnumake}/wrappers"
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"${static-binutils}/bin"
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"${gnugcc10}/bin"
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];
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script = ''
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mkdir build-dir; cd build-dir
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export SHELL=${stage1.protobusybox}/bin/ash
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# alias ash to sh:
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mkdir aliases; ln -s ${stage1.protobusybox}/bin/ash aliases/sh
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export PATH="$(pwd)/aliases:$PATH"
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# unpack:
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unpack ${source-tarball-python}
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# fixup:
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sed -i 's|/bin/sh|${stage1.protobusybox}/bin/ash|' configure install-sh
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sed -i 's|ac_sys_system=`uname -s`|ac_sys_system=Linux|' configure
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# the precompiled pyc files aren't reproducible,
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# but it's not like I need to waste time on them anyway.
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# break their generation
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mv Lib/compileall.py Lib/compileall.py.bak
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echo 'import sys; sys.exit(0)' > Lib/compileall.py
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chmod +x Lib/compileall.py
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sed -i 's|__FILE__|"__FILE__"|' \
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Python/errors.c \
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Include/pyerrors.h \
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Include/cpython/object.h \
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Modules/pyexpat.c
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sed -i 's|TIME __TIME__|TIME "xx:xx:xx"|' Modules/getbuildinfo.c
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sed -i 's|DATE __DATE__|DATE "xx/xx/xx"|' Modules/getbuildinfo.c
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# different build path length leads to different wrapping. avoid
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sed -i 's|vars, stream=f|vars, stream=f, width=2**24|' Lib/sysconfig.py
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# configure:
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mkdir -p $out/lib
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ash configure \
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ac_cv_broken_sem_getvalue=yes \
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ac_cv_posix_semaphores_enabled=no \
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OPT='-DNDEBUG -fwrapv -O3 -Wall' \
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LDFLAGS="-Wl,-rpath $out/lib" \
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--without-static-libpython \
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--build x86_64-linux-musl \
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--prefix=$out \
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--enable-shared \
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--with-ensurepip=no
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# ensure reproducibility in case of no /dev/shm
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grep 'define POSIX_SEMAPHORES_NOT_ENABLED 1' pyconfig.h
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grep 'define HAVE_BROKEN_SEM_GETVALUE 1' pyconfig.h
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# build:
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make -j $NPROC
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# install:
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make -j $NPROC install
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# strip builddir mentions:
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sed -i "s|$(pwd)|...|g" \
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$out/lib/python3.*/_sysconfigdata__*.py \
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$out/lib/python3.*/config-3.*-x86_64-linux-musl/Makefile
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# restore compileall just in case
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cat Lib/compileall.py.bak > $out/lib/python3.12/compileall.py
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# check for build path leaks:
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( ! grep -rF $(pwd) $out )
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'';
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}
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