Eike Foede
b9ea8c2256
clangd can take arguments also via environment variable CLANGD_FLAGS. This has to be respected in the wrapper, which checks whether a --query-driver was provided.
59 lines
1.5 KiB
Bash
Executable File
59 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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buildcpath() {
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local path after
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while (( $# )); do
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case $1 in
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-isystem)
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shift
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path=$path${path:+':'}$1
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;;
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-idirafter)
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shift
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after=$after${after:+':'}$1
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;;
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esac
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shift
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done
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echo $path${after:+':'}$after
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}
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buildcpluspath() {
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local path after
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while (( $# )); do
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case $1 in
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-isystem|-cxx-isystem)
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shift
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path=$path${path:+':'}$1
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;;
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-idirafter)
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shift
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after=$after${after:+':'}$1
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;;
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esac
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shift
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done
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echo $path${after:+':'}$after
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}
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# When user passes `--query-driver`, avoid extending `CPATH` et al, since we
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# don't want to infect user-specified toolchain and headers with our stuff.
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extendcpath=true
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for arg in "$@" $CLANGD_FLAGS; do
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if [[ "${arg}" == \-\-query\-driver* ]]; then
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extendcpath=false
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fi
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done
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if [ "$extendcpath" = true ]; then
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export C_INCLUDE_PATH=${CPATH}${CPATH:+':'}$(buildcpath ${NIX_CFLAGS_COMPILE} \
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$(<@clang@/nix-support/libc-cflags))
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export CPLUS_INCLUDE_PATH=${CPLUS_INCLUDE_PATH}${CPLUS_INCLUDE_PATH:+':'}$(buildcpluspath ${NIX_CFLAGS_COMPILE} \
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$(<@clang@/nix-support/libcxx-cxxflags) \
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$(<@clang@/nix-support/libc-cflags))
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fi
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@out@/bin/$(basename $0)-unwrapped "$@"
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