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https://github.com/NixOS/nixpkgs.git
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6014579a95
Build on the initial LLVM Flang wrapper work by exposing the needed clang passthru and teaching cc-wrapper about flang-specific flag handling. Co-authored-by: stove <stove@rivosinc.com> Co-authored-by: acture <acture@gmail.com> Co-authored-by: Emily <hello@emily.moe> Co-authored-by: Philip Taron <philip.taron@gmail.com>
41 lines
1.2 KiB
Bash
41 lines
1.2 KiB
Bash
targetPassed=false
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targetValue=""
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declare -i n=0
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nParams=${#params[@]}
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while (("$n" < "$nParams")); do
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p=${params[n]}
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v=${params[n + 1]:-} # handle `p` being last one
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n+=1
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case "$p" in
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-target)
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if [ -z "$v" ]; then
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echo "Error: -target requires an argument" >&2
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exit 1
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fi
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targetPassed=true
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targetValue=$v
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# skip parsing the value of -target
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n+=1
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;;
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--target=*)
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targetPassed=true
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targetValue="${p#*=}"
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;;
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esac
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done
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if $targetPassed && [[ "$targetValue" != "@defaultTarget@" ]] && (( "${NIX_CC_WRAPPER_SUPPRESS_TARGET_WARNING:-0}" < 1 )); then
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echo "Warning: supplying the --target $targetValue != @defaultTarget@ argument to a nix-wrapped compiler may not work correctly - cc-wrapper is currently not designed with multi-target compilers in mind. You may want to use an un-wrapped compiler instead." >&2
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elif [[ $0 != *cpp ]]; then
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extraBefore+=(-target @defaultTarget@ @machineFlags@)
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if [[ "@explicitAbiValue@" != "" ]]; then
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extraBefore+=(-mabi=@explicitAbiValue@)
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fi
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fi
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if [[ "@darwinMinVersion@" ]] && [ "@isFlang@" != 1 ]; then
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extraBefore+=(-Werror=unguarded-availability)
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fi
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