diff options
Diffstat (limited to 'eng/common/native/init-compiler.sh')
| -rw-r--r-- | eng/common/native/init-compiler.sh | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/eng/common/native/init-compiler.sh b/eng/common/native/init-compiler.sh new file mode 100644 index 000000000..1daadf32a --- /dev/null +++ b/eng/common/native/init-compiler.sh @@ -0,0 +1,123 @@ +#!/usr/bin/env bash +# +# This file detects the C/C++ compiler and exports it to the CC/CXX environment variables +# + +if [[ "$#" -lt 2 ]]; then + echo "Usage..." + echo "init-compiler.sh <Architecture> <compiler> <compiler major version> <compiler minor version>" + echo "Specify the target architecture." + echo "Specify the name of compiler (clang or gcc)." + echo "Specify the major version of compiler." + echo "Specify the minor version of compiler." + exit 1 +fi + +. "$( cd -P "$( dirname "$0" )" && pwd )"/../pipeline-logging-functions.sh + +build_arch="$1" +compiler="$2" +cxxCompiler="$compiler++" +majorVersion="$3" +minorVersion="$4" + +# clear the existing CC and CXX from environment +CC= +CXX= +LDFLAGS= + +if [[ "$compiler" == "gcc" ]]; then cxxCompiler="g++"; fi + +check_version_exists() { + desired_version=-1 + + # Set up the environment to be used for building with the desired compiler. + if command -v "$compiler-$1.$2" > /dev/null; then + desired_version="-$1.$2" + elif command -v "$compiler$1$2" > /dev/null; then + desired_version="$1$2" + elif command -v "$compiler-$1$2" > /dev/null; then + desired_version="-$1$2" + fi + + echo "$desired_version" +} + +if [[ -z "$CLR_CC" ]]; then + + # Set default versions + if [[ -z "$majorVersion" ]]; then + # note: gcc (all versions) and clang versions higher than 6 do not have minor version in file name, if it is zero. + if [[ "$compiler" == "clang" ]]; then versions=( 12 11 10 9 8 7 6.0 5.0 4.0 3.9 3.8 3.7 3.6 3.5 ) + elif [[ "$compiler" == "gcc" ]]; then versions=( 11 10 9 8 7 6 5 4.9 ); fi + + for version in "${versions[@]}"; do + parts=(${version//./ }) + desired_version="$(check_version_exists "${parts[0]}" "${parts[1]}")" + if [[ "$desired_version" != "-1" ]]; then majorVersion="${parts[0]}"; break; fi + done + + if [[ -z "$majorVersion" ]]; then + if command -v "$compiler" > /dev/null; then + if [[ "$(uname)" != "Darwin" ]]; then + Write-PipelineTelemetryError -category "Build" -type "warning" "Specific version of $compiler not found, falling back to use the one in PATH." + fi + CC="$(command -v "$compiler")" + CXX="$(command -v "$cxxCompiler")" + else + Write-PipelineTelemetryError -category "Build" "No usable version of $compiler found." + exit 1 + fi + else + if [[ "$compiler" == "clang" && "$majorVersion" -lt 5 ]]; then + if [[ "$build_arch" == "arm" || "$build_arch" == "armel" ]]; then + if command -v "$compiler" > /dev/null; then + Write-PipelineTelemetryError -category "Build" -type "warning" "Found clang version $majorVersion which is not supported on arm/armel architectures, falling back to use clang from PATH." + CC="$(command -v "$compiler")" + CXX="$(command -v "$cxxCompiler")" + else + Write-PipelineTelemetryError -category "Build" "Found clang version $majorVersion which is not supported on arm/armel architectures, and there is no clang in PATH." + exit 1 + fi + fi + fi + fi + else + desired_version="$(check_version_exists "$majorVersion" "$minorVersion")" + if [[ "$desired_version" == "-1" ]]; then + Write-PipelineTelemetryError -category "Build" "Could not find specific version of $compiler: $majorVersion $minorVersion." + exit 1 + fi + fi + + if [[ -z "$CC" ]]; then + CC="$(command -v "$compiler$desired_version")" + CXX="$(command -v "$cxxCompiler$desired_version")" + if [[ -z "$CXX" ]]; then CXX="$(command -v "$cxxCompiler")"; fi + fi +else + if [[ ! -f "$CLR_CC" ]]; then + Write-PipelineTelemetryError -category "Build" "CLR_CC is set but path '$CLR_CC' does not exist" + exit 1 + fi + CC="$CLR_CC" + CXX="$CLR_CXX" +fi + +if [[ -z "$CC" ]]; then + Write-PipelineTelemetryError -category "Build" "Unable to find $compiler." + exit 1 +fi + +if [[ "$compiler" == "clang" ]]; then + if command -v "lld$desired_version" > /dev/null; then + # Only lld version >= 9 can be considered stable + if [[ "$majorVersion" -ge 9 ]]; then + LDFLAGS="-fuse-ld=lld" + fi + fi +fi + +SCAN_BUILD_COMMAND="$(command -v "scan-build$desired_version")" + +export CC CXX LDFLAGS SCAN_BUILD_COMMAND |