forked from mirrors/nixpkgs
0507725061
'strip' does not normally preserve archive index in .a files.
This usually causes linking failures against static libs like:
$ nix build --no-link -f. pkgsCross.mingw32.re2c
> ...-i686-w64-mingw32-binutils-2.38/bin/i686-w64-mingw32-ld:
/nix/store/...-i686-w64-mingw32-stage-final-gcc-13.0.0-lib/i686-w64-mingw32/lib/libstdc++.dll.a:
error adding symbols: archive has no index; run ranlib to add one
We restore the index by running ranlib explicitly.
64 lines
2.3 KiB
Bash
64 lines
2.3 KiB
Bash
# This setup hook strips libraries and executables in the fixup phase.
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fixupOutputHooks+=(_doStrip)
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_doStrip() {
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# We don't bother to strip build platform code because it shouldn't make it
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# to $out anyways---if it does, that's a bigger problem that a lack of
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# stripping will help catch.
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local -ra flags=(dontStripHost dontStripTarget)
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local -ra debugDirs=(stripDebugList stripDebugListTarget)
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local -ra allDirs=(stripAllList stripAllListTarget)
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local -ra stripCmds=(STRIP STRIP_FOR_TARGET)
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local -ra ranlibCmds=(RANLIB RANLIB_FOR_TARGET)
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# Strip only host paths by default. Leave targets as is.
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stripDebugList=${stripDebugList:-lib lib32 lib64 libexec bin sbin}
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stripDebugListTarget=${stripDebugListTarget:-}
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stripAllList=${stripAllList:-}
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stripAllListTarget=${stripAllListTarget:-}
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local i
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for i in ${!stripCmds[@]}; do
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local -n flag="${flags[$i]}"
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local -n debugDirList="${debugDirs[$i]}"
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local -n allDirList="${allDirs[$i]}"
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local -n stripCmd="${stripCmds[$i]}"
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local -n ranlibCmd="${ranlibCmds[$i]}"
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# `dontStrip` disables them all
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if [[ "${dontStrip-}" || "${flag-}" ]] || ! type -f "${stripCmd-}" 2>/dev/null
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then continue; fi
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stripDirs "$stripCmd" "$ranlibCmd" "$debugDirList" "${stripDebugFlags:--S}"
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stripDirs "$stripCmd" "$ranlibCmd" "$allDirList" "${stripAllFlags:--s}"
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done
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}
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stripDirs() {
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local cmd="$1"
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local ranlibCmd="$2"
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local dirs="$3"
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local stripFlags="$4"
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local dirsNew=
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local d
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for d in ${dirs}; do
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if [ -d "$prefix/$d" ]; then
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dirsNew="${dirsNew} $prefix/$d "
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fi
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done
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dirs=${dirsNew}
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if [ -n "${dirs}" ]; then
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echo "stripping (with command $cmd and flags $stripFlags) in$dirs"
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find $dirs -type f -exec $cmd $stripFlags '{}' \; 2>/dev/null
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# 'strip' does not normally preserve archive index in .a files.
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# This usually causes linking failures against static libs like:
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# ld: ...-i686-w64-mingw32-stage-final-gcc-13.0.0-lib/i686-w64-mingw32/lib/libstdc++.dll.a:
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# error adding symbols: archive has no index; run ranlib to add one
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# Restore the index by running 'ranlib'.
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find $dirs -name '*.a' -type f -exec $ranlibCmd '{}' \; 2>/dev/null
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fi
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}
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