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#!/bin/bash
llvm_config=$1
llvm_codegen_libs="$2"
llvm_extra_libs="${@:3}"
use_llvm_config=1
llvm_host_win32=0
llvm_host_win32_wsl=0
llvm_host_win32_cygwin=0
function win32_format_path {
local formatted_path=$1
if [[ $llvm_host_win32_wsl = 1 ]] && [[ $1 != "/mnt/"* ]]; then
# if path is not starting with /mnt under WSL it could be a windows path, convert using wslpath.
formatted_path="$(wslpath -a "$1")"
elif [[ $llvm_host_win32_cygwin = 1 ]] && [[ $1 != "/cygdrive/"* ]]; then
# if path is not starting with /cygdrive under CygWin it could be a windows path, convert using cygpath.
formatted_path="$(cygpath -a "$1")"
fi
echo "$formatted_path"
}
if [[ $llvm_config = *".exe" ]]; then
llvm_host_win32=1
# llvm-config is a windows binary. Check if we are running CygWin or WSL since then we might still be able to run llvm-config.exe
host_uname="$(uname -a)"
case "$host_uname" in
*Microsoft*)
use_llvm_config=1
llvm_host_win32_wsl=1
;;
CYGWIN*)
use_llvm_config=1
llvm_host_win32_cygwin=1
;;
*)
use_llvm_config=0
esac
fi
if [[ $llvm_host_win32 = 1 ]]; then
llvm_config=$(win32_format_path "$llvm_config")
fi
if [[ $use_llvm_config = 1 ]]; then
llvm_api_version=`$llvm_config --mono-api-version` || "0"
with_llvm=`$llvm_config --prefix`
llvm_config_cflags=`$llvm_config --cflags`
llvm_system=`$llvm_config --system-libs`
llvm_core_components=`$llvm_config --libs analysis core bitwriter`
if [[ $llvm_api_version -lt 600 ]]; then
llvm_old_jit=`$llvm_config --libs mcjit jit 2>>/dev/null`
else
llvm_old_jit=`$llvm_config --libs mcjit 2>>/dev/null`
fi
llvm_new_jit=`$llvm_config --libs orcjit 2>>/dev/null`
if [[ ! -z $llvm_codegen_libs ]]; then
llvm_extra=`$llvm_config --libs $llvm_codegen_libs`
fi
# When building for Windows subsystem using WSL or CygWin the path returned from llvm-config.exe
# could be a Windows style path, make sure to format it into a path usable for WSL/CygWin.
if [[ $llvm_host_win32 = 1 ]]; then
with_llvm=$(win32_format_path "$with_llvm")
fi
fi
# When cross compiling for Windows on system not capable of running Windows binaries, llvm-config.exe can't be used to query for
# LLVM parameters. In that scenario we will need to fallback to default values.
if [[ $llvm_host_win32 = 1 ]] && [[ $use_llvm_config = 0 ]]; then
# Assume we have llvm-config sitting in llvm-install-root/bin directory, get llvm-install-root directory.
with_llvm="$(dirname $llvm_config)"
with_llvm="$(dirname $with_llvm)"
llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
# llvm-config.exe --mono-api-version
llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
# llvm-config.exe --cflags, returned information currently not used.
llvm_config_cflags=
# llvm-config.exe --system-libs
if [[ $llvm_api_version -lt 600 ]]; then
llvm_system="-limagehlp -lpsapi -lshell32"
else
llvm_system="-lpsapi -lshell32 -lole32 -luuid -ladvapi32"
fi
# llvm-config.exe --libs analysis core bitwriter
if [[ $llvm_api_version -lt 600 ]]; then
llvm_core_components="-lLLVMBitWriter -lLLVMAnalysis -lLLVMTarget -lLLVMMC -lLLVMCore -lLLVMSupport"
else
llvm_core_components="-lLLVMBitWriter -lLLVMAnalysis -lLLVMProfileData -lLLVMObject -lLLVMMCParser -lLLVMMC -lLLVMBitReader -lLLVMCore -lLLVMBinaryFormat -lLLVMSupport -lLLVMDemangle"
fi
# llvm-config.exe --libs mcjit jit
if [[ $llvm_api_version -lt 600 ]]; then
llvm_old_jit="-lLLVMJIT -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore -lLLVMSupport"
else
# Current build of LLVM 60 for cross Windows builds doesn't support LLVM JIT.
llvm_old_jit=
fi
# LLVM 36 doesn't support new JIT and LLVM 60 is build without LLVM JIT support for cross Windows builds.
llvm_new_jit=
# Check codegen libs and add needed libraries.
case "$llvm_codegen_libs" in
*x86codegen*)
# llvm-config.exe --libs x86codegen
if [[ $llvm_api_version -lt 600 ]]; then
llvm_extra="-lLLVMX86CodeGen -lLLVMX86Desc -lLLVMX86Info -lLLVMObject -lLLVMBitReader -lLLVMMCDisassembler -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMMCParser -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMTarget -lLLVMMC -lLLVMCore -lLLVMSupport"
else
llvm_extra="-lLLVMX86CodeGen -lLLVMGlobalISel -lLLVMX86Desc -lLLVMX86Info -lLLVMMCDisassembler -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMDebugInfoCodeView -lLLVMDebugInfoMSF -lLLVMCodeGen -lLLVMTarget -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMBitWriter -lLLVMAnalysis -lLLVMProfileData -lLLVMObject -lLLVMMCParser -lLLVMMC -lLLVMBitReader -lLLVMCore -lLLVMBinaryFormat -lLLVMSupport -lLLVMDemangle"
fi
;;
*armcodegen*)
# llvm-config.exe --libs armcodegen
if [[ $llvm_api_version -lt 600 ]]; then
llvm_extra="-lLLVMARMCodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMMCParser -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMTarget -lLLVMCore -lLLVMARMDesc -lLLVMMCDisassembler -lLLVMARMInfo -lLLVMARMAsmPrinter -lLLVMMC -lLLVMSupport"
else
llvm_extra="-lLLVMARMCodeGen -lLLVMGlobalISel -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMDebugInfoCodeView -lLLVMDebugInfoMSF -lLLVMCodeGen -lLLVMTarget -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMBitWriter -lLLVMAnalysis -lLLVMProfileData -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMCore -lLLVMBinaryFormat -lLLVMARMDesc -lLLVMMCDisassembler -lLLVMARMInfo -lLLVMARMAsmPrinter -lLLVMARMUtils -lLLVMMC -lLLVMSupport -lLLVMDemangle"
fi
;;
*aarch64codegen*)
# llvm-config.exe --libs aarch64codegen
if [[ $llvm_api_version -lt 600 ]]; then
llvm_extra="-lLLVMAArch64CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMMCParser -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMTarget -lLLVMCore -lLLVMAArch64Desc -lLLVMAArch64Info -lLLVMAArch64AsmPrinter -lLLVMMC -lLLVMAArch64Utils -lLLVMSupport"
else
llvm_extra="-lLLVMAArch64CodeGen -lLLVMGlobalISel -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMDebugInfoCodeView -lLLVMDebugInfoMSF -lLLVMCodeGen -lLLVMTarget -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMBitWriter -lLLVMAnalysis -lLLVMProfileData -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMCore -lLLVMBinaryFormat -lLLVMAArch64Desc -lLLVMAArch64Info -lLLVMAArch64AsmPrinter -lLLVMMC -lLLVMAArch64Utils -lLLVMSupport -lLLVMDemangle"
fi
;;
*)
llvm_extra=$llvm_codegen_libs
esac
fi
if [[ $llvm_config_cflags = *"stdlib=libc++"* ]]; then
llvm_libc_c="-stdlib=libc++"
# llvm_libc_link="-lc++"
else
llvm_libc_c=""
# llvm_libc_link="-lstdc++"
fi
if [[ $llvm_host_win32 = 1 ]]; then
host_cxxflag_additions="-std=gnu++11"
host_cflag_additions="-DNDEBUG"
else
host_cxxflag_additions="-std=c++11"
host_cflag_additions=""
fi
if [[ ! -z $llvm_extra_libs ]]; then
llvm_extra="$llvm_extra $llvm_extra_libs"
fi
# llvm-config --clfags adds warning and optimization flags we don't want
cflags_additions="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -DLLVM_API_VERSION=$llvm_api_version $llvm_libc_c $host_cflag_additions"
cxxflag_additions="-fno-rtti -fexceptions $host_cxxflag_additions"
ldflags="-L$with_llvm/lib"
llvm_lib_components="$llvm_core_components $llvm_old_jit $llvm_new_jit $llvm_extra"
echo "LLVM_CFLAGS_INTERNAL=$cflags_additions"
echo "LLVM_CXXFLAGS_INTERNAL=$cflags_additions $cxxflag_additions"
echo "LLVM_LDFLAGS_INTERNAL=$ldflags"
echo "LLVM_LIBS_INTERNAL=$llvm_lib_components $ldflags $llvm_system $llvm_libc_link"
|
