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Merge pull request #6304 from laytan/build-script-llvm-detection-improvement

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improve llvm version picking
This commit is contained in:
Laytan
2026-02-19 22:00:03 +01:00
committed by GitHub
parent d05523c23c a0692cd40b
commit b132ea5047
1 changed files with 31 additions and 25 deletions
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56
build_odin.sh
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@@ -26,36 +26,42 @@ error() {
exit 1
}
SUPPORTED_LLVM_VERSIONS="21 20 19 18 17 14"
# Brew advises people not to add llvm to their $PATH, so try and use brew to find it.
if [ -z "$LLVM_CONFIG" ] && [ -n "$(command -v brew)" ]; then
if [ -n "$(command -v $(brew --prefix llvm@21)/bin/llvm-config)" ]; then LLVM_CONFIG="$(brew --prefix llvm@21)/bin/llvm-config"
elif [ -n "$(command -v $(brew --prefix llvm@20)/bin/llvm-config)" ]; then LLVM_CONFIG="$(brew --prefix llvm@20)/bin/llvm-config"
elif [ -n "$(command -v $(brew --prefix llvm@19)/bin/llvm-config)" ]; then LLVM_CONFIG="$(brew --prefix llvm@19)/bin/llvm-config"
elif [ -n "$(command -v $(brew --prefix llvm@18)/bin/llvm-config)" ]; then LLVM_CONFIG="$(brew --prefix llvm@18)/bin/llvm-config"
elif [ -n "$(command -v $(brew --prefix llvm@17)/bin/llvm-config)" ]; then LLVM_CONFIG="$(brew --prefix llvm@17)/bin/llvm-config"
elif [ -n "$(command -v $(brew --prefix llvm@14)/bin/llvm-config)" ]; then LLVM_CONFIG="$(brew --prefix llvm@14)/bin/llvm-config"
fi
for V in $SUPPORTED_LLVM_VERSIONS; do
if [ -n "$(command -v $(brew --prefix llvm@$V)/bin/llvm-config)" ]; then
LLVM_CONFIG="$(brew --prefix llvm@$V)/bin/llvm-config"
break
fi
done
fi
if [ -z "$LLVM_CONFIG" ]; then
# darwin, linux, openbsd
if [ -n "$(command -v llvm-config-21)" ]; then LLVM_CONFIG="llvm-config-21"
elif [ -n "$(command -v llvm-config-20)" ]; then LLVM_CONFIG="llvm-config-20"
elif [ -n "$(command -v llvm-config-19)" ]; then LLVM_CONFIG="llvm-config-19"
elif [ -n "$(command -v llvm-config-18)" ]; then LLVM_CONFIG="llvm-config-18"
elif [ -n "$(command -v llvm-config-17)" ]; then LLVM_CONFIG="llvm-config-17"
elif [ -n "$(command -v llvm-config-14)" ]; then LLVM_CONFIG="llvm-config-14"
# freebsd
elif [ -n "$(command -v llvm-config21)" ]; then LLVM_CONFIG="llvm-config21"
elif [ -n "$(command -v llvm-config20)" ]; then LLVM_CONFIG="llvm-config20"
elif [ -n "$(command -v llvm-config19)" ]; then LLVM_CONFIG="llvm-config19"
elif [ -n "$(command -v llvm-config18)" ]; then LLVM_CONFIG="llvm-config18"
elif [ -n "$(command -v llvm-config17)" ]; then LLVM_CONFIG="llvm-config17"
elif [ -n "$(command -v llvm-config14)" ]; then LLVM_CONFIG="llvm-config14"
# fallback
elif [ -n "$(command -v llvm-config)" ]; then LLVM_CONFIG="llvm-config"
else
error "No llvm-config command found. Set LLVM_CONFIG to proceed."
DEFAULT_VERSION=""
if [ -n "$(command -v llvm-config)" ]; then
DEFAULT_VERSION=$(llvm-config --version | awk -F. '{print $1}')
fi
for V in $SUPPORTED_LLVM_VERSIONS; do
if [ "$DEFAULT_VERSION" = "$V" ]; then
LLVM_CONFIG="llvm-config"
break
# darwin, linux, openbsd
elif [ -n "$(command -v "llvm-config-$V")" ]; then
LLVM_CONFIG="llvm-config-$V"
break
# freebsd
elif [ -n "$(command -v "llvm-config$V")" ]; then
LLVM_CONFIG="llvm-config$V"
break
fi
done
if [ -z "$LLVM_CONFIG" ]; then
error "No supported llvm-config command found. Set LLVM_CONFIG to proceed."
fi
fi