llvm/build_llvm_config.sh

   1 #!/bin/bash
   2
   3 llvm_config=$1
   4 llvm_codegen_libs="$2"
   5 llvm_extra_libs="${@:3}"
   6
   7 use_llvm_config=1
   8 llvm_host_win32=0
   9 llvm_host_win32_wsl=0
  10 llvm_host_win32_cygwin=0
  11
  12 function win32_format_path {
  13         local formatted_path=$1
  14         if  [[ $llvm_host_win32_wsl = 1 ]] && [[ $1 != "/mnt/"* ]]; then
  15                 # if path is not starting with /mnt under WSL it could be a windows path, convert using wslpath.
  16                 formatted_path="$(wslpath -a "$1")"
  17         elif [[ $llvm_host_win32_cygwin = 1 ]] && [[ $1 != "/cygdrive/"* ]]; then
  18                 # if path is not starting with /cygdrive under CygWin it could be a windows path, convert using cygpath.
  19                 formatted_path="$(cygpath -a "$1")"
  20         fi
  21         echo "$formatted_path"
  22 }
  23
  24 if [[ $llvm_config = *".exe" ]]; then
  25         llvm_host_win32=1
  26         # llvm-config is a windows binary. Check if we are running CygWin or WSL since then we might still be able to run llvm-config.exe
  27         host_uname="$(uname -a)"
  28         case "$host_uname" in
  29                 *Microsoft*)
  30                         use_llvm_config=1
  31                         llvm_host_win32_wsl=1
  32                         ;;
  33                 CYGWIN*)
  34                         use_llvm_config=1
  35                         llvm_host_win32_cygwin=1
  36                         ;;
  37                 *)
  38                         use_llvm_config=0
  39         esac
  40 fi
  41
  42 if [[ $llvm_host_win32 = 1 ]]; then
  43         llvm_config=$(win32_format_path "$llvm_config")
  44 fi
  45
  46 if [[ $use_llvm_config = 1 ]]; then
  47         llvm_api_version=`$llvm_config --mono-api-version` || "0"
  48         with_llvm=`$llvm_config --prefix`
  49         llvm_config_cflags=`$llvm_config --cflags`
  50         llvm_system=`$llvm_config --system-libs`
  51         llvm_core_components=`$llvm_config --libs analysis core bitwriter`
  52         if [[ $llvm_api_version -lt 600 ]]; then
  53                 llvm_old_jit=`$llvm_config --libs mcjit jit 2>>/dev/null`
  54         else
  55                 llvm_old_jit=`$llvm_config --libs mcjit 2>>/dev/null`
  56         fi
  57         llvm_new_jit=`$llvm_config --libs orcjit 2>>/dev/null`
  58
  59         if [[ ! -z $llvm_codegen_libs ]]; then
  60                 llvm_extra=`$llvm_config --libs $llvm_codegen_libs`
  61         fi
  62
  63         # When building for Windows subsystem using WSL or CygWin the path returned from llvm-config.exe
  64         # could be a Windows style path, make sure to format it into a path usable for WSL/CygWin.
  65         if [[ $llvm_host_win32 = 1 ]]; then
  66                 with_llvm=$(win32_format_path "$with_llvm")
  67         fi
  68 fi
  69
  70 # When cross compiling for Windows on system not capable of running Windows binaries, llvm-config.exe can't be used to query for
  71 # LLVM parameters. In that scenario we will need to fallback to default values.
  72 if [[ $llvm_host_win32 = 1 ]] && [[ $use_llvm_config = 0 ]]; then
  73         # Assume we have llvm-config sitting in llvm-install-root/bin directory, get llvm-install-root directory.
  74         with_llvm="$(dirname $llvm_config)"
  75         with_llvm="$(dirname $with_llvm)"
  76         llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
  77
  78         # llvm-config.exe --mono-api-version
  79         llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
  80
  81         # llvm-config.exe --cflags, returned information currently not used.
  82         llvm_config_cflags=
  83
  84         # llvm-config.exe --system-libs
  85         if [[ $llvm_api_version -lt 600 ]]; then
  86                 llvm_system="-limagehlp -lpsapi -lshell32"
  87         else
  88                 llvm_system="-lpsapi -lshell32 -lole32 -luuid -ladvapi32"
  89         fi
  90
  91         # llvm-config.exe --libs analysis core bitwriter
  92         if [[ $llvm_api_version -lt 600 ]]; then
  93                 llvm_core_components="-lLLVMBitWriter -lLLVMAnalysis -lLLVMTarget -lLLVMMC -lLLVMCore -lLLVMSupport"
  94         else
  95                 llvm_core_components="-lLLVMBitWriter -lLLVMAnalysis -lLLVMProfileData -lLLVMObject -lLLVMMCParser -lLLVMMC -lLLVMBitReader -lLLVMCore -lLLVMBinaryFormat -lLLVMSupport -lLLVMDemangle"
  96         fi
  97
  98         # llvm-config.exe --libs mcjit jit
  99         if [[ $llvm_api_version -lt 600 ]]; then
 100                 llvm_old_jit="-lLLVMJIT -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore -lLLVMSupport"
 101         else
 102                 # Current build of LLVM 60 for cross Windows builds doesn't support LLVM JIT.
 103                 llvm_old_jit=
 104         fi
 105
 106         # LLVM 36 doesn't support new JIT and LLVM 60 is build without LLVM JIT support for cross Windows builds.
 107         llvm_new_jit=
 108
 109         # Check codegen libs and add needed libraries.
 110         case "$llvm_codegen_libs" in
 111                 *x86codegen*)
 112                         # llvm-config.exe --libs x86codegen
 113                         if [[ $llvm_api_version -lt 600 ]]; then
 114                                 llvm_extra="-lLLVMX86CodeGen -lLLVMX86Desc -lLLVMX86Info -lLLVMObject -lLLVMBitReader -lLLVMMCDisassembler -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMMCParser -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMTarget -lLLVMMC -lLLVMCore -lLLVMSupport"
 115                         else
 116                                 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"
 117                         fi
 118                         ;;
 119                 *armcodegen*)
 120                         # llvm-config.exe --libs armcodegen
 121                         if [[ $llvm_api_version -lt 600 ]]; then
 122                                 llvm_extra="-lLLVMARMCodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMMCParser -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMTarget -lLLVMCore -lLLVMARMDesc -lLLVMMCDisassembler -lLLVMARMInfo -lLLVMARMAsmPrinter -lLLVMMC -lLLVMSupport"
 123                         else
 124                                 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"
 125                         fi
 126                         ;;
 127                 *aarch64codegen*)
 128                         # llvm-config.exe --libs aarch64codegen
 129                         if [[ $llvm_api_version -lt 600 ]]; then
 130                                 llvm_extra="-lLLVMAArch64CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMMCParser -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMTarget -lLLVMCore -lLLVMAArch64Desc -lLLVMAArch64Info -lLLVMAArch64AsmPrinter -lLLVMMC -lLLVMAArch64Utils -lLLVMSupport"
 131                         else
 132                                 llvm_extra="-lLLVMAArch64CodeGen -lLLVMGlobalISel -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMDebugInfoCodeView -lLLVMDebugInfoMSF -lLLVMCodeGen -lLLVMTarget -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMBitWriter -lLLVMAnalysis -lLLVMProfileData -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMCore -lLLVMBinaryFormat -lLLVMAArch64Desc -lLLVMAArch64Info -lLLVMAArch64AsmPrinter -lLLVMMC -lLLVMAArch64Utils -lLLVMSupport -lLLVMDemangle"
 133                         fi
 134                         ;;
 135                 *)
 136                         llvm_extra=$llvm_codegen_libs
 137         esac
 138 fi
 139
 140 if [[ $llvm_config_cflags = *"stdlib=libc++"* ]]; then
 141         llvm_libc_c="-stdlib=libc++"
 142         llvm_libc_link="-lc++"
 143 else
 144         llvm_libc_c=""
 145         llvm_libc_link="-lstdc++"
 146 fi
 147
 148 if [[ $llvm_host_win32 = 1 ]]; then
 149         host_cxxflag_additions="-std=gnu++11"
 150         host_cflag_additions="-DNDEBUG"
 151 else
 152         host_cxxflag_additions="-std=c++11"
 153         host_cflag_additions=""
 154 fi
 155
 156 if [[ ! -z $llvm_extra_libs ]]; then
 157         llvm_extra="$llvm_extra $llvm_extra_libs"
 158 fi
 159
 160 # llvm-config --clfags adds warning and optimization flags we don't want
 161 cflags_additions="-I$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"
 162
 163 cxxflag_additions="-fno-rtti -fexceptions $host_cxxflag_additions"
 164
 165 ldflags="-L$with_llvm/lib"
 166
 167 llvm_lib_components="$llvm_core_components $llvm_old_jit $llvm_new_jit $llvm_extra"
 168
 169 echo "LLVM_CFLAGS_INTERNAL=$cflags_additions"
 170 echo "LLVM_CXXFLAGS_INTERNAL=$cflags_additions $cxxflag_additions"
 171 echo "LLVM_LDFLAGS_INTERNAL=$ldflags"
 172 echo "LLVM_LIBS_INTERNAL=$llvm_lib_components $ldflags $llvm_system $llvm_libc_link"