nixpkgs/pkgs/build-support/cc-wrapper/setup-hook.sh

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export NIX_CC=@out@
addCVars () {
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if [ -d $1/include ]; then
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export NIX_CFLAGS_COMPILE+=" -isystem $1/include"
fi
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if [ -d $1/lib64 -a ! -L $1/lib64 ]; then
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export NIX_LDFLAGS+=" -L$1/lib64"
fi
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if [ -d $1/lib ]; then
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export NIX_LDFLAGS+=" -L$1/lib"
fi
}
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envHooks+=(addCVars)
# Note: these come *after* $out in the PATH (see setup.sh).
if [ -n "@cc@" ]; then
addToSearchPath PATH @cc@/bin
fi
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if [ -n "@binutils@" ]; then
addToSearchPath PATH @binutils@/bin
fi
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if [ -n "@libc@" ]; then
addToSearchPath PATH @libc@/bin
fi
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if [ -n "@coreutils@" ]; then
addToSearchPath PATH @coreutils@/bin
fi
if [ -z "$crossConfig" ]; then
export CC=@real_cc@
export CXX=@real_cxx@
else
export BUILD_CC=@real_cc@
export BUILD_CXX=@real_cxx@
fi