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clang-tools: fix C++ include paths not being passed to tools #468130

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clang-tools: fix C++ include paths not being passed to tools #468130

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24 changes: 21 additions & 3 deletions pkgs/development/compilers/llvm/common/clang-tools/wrapper
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Original file line number Diff line number Diff line change
Expand Up @@ -18,10 +18,28 @@ buildcpath() {
echo $path${after:+':'}$after
}

buildcxxpath() {
local path after
while (( $# )); do
case $1 in
-isystem|-cxx-isystem)
shift
path=$path${path:+':'}$1
;;
-idirafter)
shift
after=$after${after:+':'}$1
;;
esac
shift
done
echo $path${after:+':'}$after
}

export CPATH=${CPATH}${CPATH:+':'}$(buildcpath ${NIX_CFLAGS_COMPILE} \
$(<@clang@/nix-support/libc-cflags)):@clang@/resource-root/include
export CPLUS_INCLUDE_PATH=${CPLUS_INCLUDE_PATH}${CPLUS_INCLUDE_PATH:+':'}$(buildcpath ${NIX_CFLAGS_COMPILE} \
$(<@clang@/nix-support/libcxx-cxxflags) \
$(<@clang@/nix-support/libc-cflags)):@clang@/resource-root/include
export CPLUS_INCLUDE_PATH=${CPLUS_INCLUDE_PATH}${CPLUS_INCLUDE_PATH:+':'}$(buildcxxpath ${NIX_CFLAGS_COMPILE} \
$(<@clang@/nix-support/libcxx-cxxflags) \
$(<@clang@/nix-support/libc-cflags)):@clang@/resource-root/include

exec -a "$0" @unwrapped@/bin/$(basename $0) "$@"
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