52 lines
2.5 KiB
Bash
52 lines
2.5 KiB
Bash
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#!/usr/bin/env bash
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# filesystem: s390x gets the lib64 compatibility symlinks too.
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#
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# Arch's PKGBUILD creates them for one architecture only:
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#
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# [[ $CARCH = 'x86_64' ]] && {
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# symlinks["lib64"]="usr/lib"
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# symlinks["usr/lib64"]="lib"
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# }
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#
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# which is correct for Arch, and wrong here in a way that took five steps to
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# see. s390x's toolchain has a 64-bit multi-os subdirectory: gcc reports
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# `../lib64` for -print-multi-os-directory, and libiberty's install target uses
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# $(libdir)$(MULTIOSSUBDIR). With no symlink, that CREATES /usr/lib64 as a real
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# directory -- one static library, from binutils.
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#
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# From there:
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# meson picks its default libdir with `isdir('/usr/lib64') and not
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# islink(...)`, so a real directory flips every meson package to lib64. pkgconf
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# is a meson package: it installed there and compiled in /usr/lib64/pkgconfig
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# as its search path, while every .pc in the distribution is in
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# /usr/lib/pkgconfig. Every pkg-config lookup in the chroot then failed, and
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# libxslt reported it as
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#
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# configure: error: Package requirements (python-3.14) were not met
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#
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# with the package installed and its .pc file present.
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#
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# WITH the symlink, /usr/lib/../lib64 resolves to /usr/lib, so libiberty lands
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# where it belongs and meson's test sees a link. One fix at the root instead of
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# one per build system -- and it is Arch's own model, not an invention: a single
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# library directory with lib64 as compatibility. Ubuntu s390x has no /usr/lib64
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# at all, which is why the host never showed any of this.
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set -euo pipefail
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python3 - <<'ZZPY'
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import io
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s = io.open("PKGBUILD", encoding="utf-8").read()
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old = " [[ $CARCH = 'x86_64' ]] && {"
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assert s.count(old) == 1, "filesystem: the x86_64 lib64 guard is not in the expected form"
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new = (" # s390x added: its toolchain installs into $(libdir)/../lib64, which\n"
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" # creates a REAL /usr/lib64 when no symlink is there -- and that flips\n"
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" # meson's and other build systems' default libdir.\n"
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" [[ $CARCH = 'x86_64' || $CARCH = 's390x' ]] && {")
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s = s.replace(old, new, 1)
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io.open("PKGBUILD", "w", encoding="utf-8").write(s)
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ZZPY
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grep -q "CARCH = 's390x'" PKGBUILD || { echo "filesystem: s390x not added to the guard" >&2; exit 1; }
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# The two symlinks must still be inside the block that was just widened.
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grep -A4 "CARCH = 's390x'" PKGBUILD | grep -q 'usr/lib64' || {
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echo "filesystem: the guard was widened but the symlinks are elsewhere" >&2; exit 1; }
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echo "filesystem: lib64 -> usr/lib and usr/lib64 -> lib now created on s390x"
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