90 lines
2.4 KiB
Bash
90 lines
2.4 KiB
Bash
NIX_CROSS_CFLAGS_COMPILE=""
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NIX_CROSS_LDFLAGS=""
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crossAddCVars () {
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if test -d $1/include; then
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export NIX_CROSS_CFLAGS_COMPILE="$NIX_CROSS_CFLAGS_COMPILE -I$1/include"
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fi
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if test -d $1/lib; then
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export NIX_CROSS_LDFLAGS="$NIX_CROSS_LDFLAGS -L$1/lib -rpath-link $1/lib"
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fi
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}
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crossEnvHooks+=(crossAddCVars)
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crossStripDirs() {
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local dirs="$1"
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local stripFlags="$2"
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local dirsNew=
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for d in ${dirs}; do
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if test -d "$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=${dirsNew}
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if test -n "${dirs}"; then
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header "cross stripping (with flags $stripFlags) in $dirs"
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# libc_nonshared.a should never be stripped, or builds will break.
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find $dirs -type f -print0 | xargs -0 ${xargsFlags:--r} $crossConfig-strip $stripFlags || true
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stopNest
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fi
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}
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crossStrip () {
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# In cross_renaming we may rename dontCrossStrip to dontStrip, and
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# dontStrip to dontNativeStrip.
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# TODO: strip _only_ ELF executables, and return || fail here...
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if test -z "$dontCrossStrip"; then
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stripDebugList=${stripDebugList:-lib lib64 libexec bin sbin}
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if test -n "$stripDebugList"; then
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crossStripDirs "$stripDebugList" "${stripDebugFlags:--S}"
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fi
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stripAllList=${stripAllList:-}
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if test -n "$stripAllList"; then
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crossStripDirs "$stripAllList" "${stripAllFlags:--s}"
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fi
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fi
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}
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preDistPhases=(${preDistPhases[@]} crossStrip)
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# Note: these come *after* $out in the PATH (see setup.sh).
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if test -n "@gcc@"; then
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PATH=$PATH:@gcc@/bin
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fi
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if test -n "@binutils@"; then
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PATH=$PATH:@binutils@/bin
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fi
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if test -n "@libc@"; then
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PATH=$PATH:@libc@/bin
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crossAddCVars @libc@
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fi
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if test "$dontSetConfigureCross" != "1"; then
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configureFlags="$configureFlags --build=$system --host=$crossConfig"
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fi
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# Disabling the tests when cross compiling, as usually the tests are meant for
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# native compilations.
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doCheck=""
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# Don't strip foreign binaries with native "strip" tool.
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dontStrip=1
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# Add the output as an rpath.
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if test "$NIX_NO_SELF_RPATH" != "1"; then
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export NIX_CROSS_LDFLAGS="-rpath $out/lib -rpath-link $out/lib $NIX_CROSS_LDFLAGS"
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if test -n "$NIX_LIB64_IN_SELF_RPATH"; then
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export NIX_CROSS_LDFLAGS="-rpath $out/lib64 -rpath-link $out/lib $NIX_CROSS_LDFLAGS"
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fi
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fi
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export CC=${crossConfig}-gcc
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export CXX=${crossConfig}-g++
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