cmake/Modules/FindLLVM.cmake

   1 find_program(LLVM_CONFIG NAMES llvm-config-3.5 llvm-config)
   2
   3 if(LLVM_CONFIG)
   4   execute_process(COMMAND ${LLVM_CONFIG} --version
   5         OUTPUT_VARIABLE LLVM_VERSION)
   6
   7   if(((${LLVM_VERSION} VERSION_LESS 3.6.0)
   8                 AND (${LLVM_VERSION} VERSION_GREATER 3.5))
   9           OR (${LLVM_VERSION} VERSION_EQUAL 3.5))
  10
  11         execute_process(COMMAND ${LLVM_CONFIG} --cxxflags
  12           OUTPUT_VARIABLE LLVM_CFLAGS      OUTPUT_STRIP_TRAILING_WHITESPACE)
  13         execute_process(COMMAND ${LLVM_CONFIG} --ldflags
  14           OUTPUT_VARIABLE LLVM_LDFLAGS     OUTPUT_STRIP_TRAILING_WHITESPACE)
  15         execute_process(COMMAND ${LLVM_CONFIG} --libs
  16           OUTPUT_VARIABLE LLVM_LIBS        OUTPUT_STRIP_TRAILING_WHITESPACE)
  17         execute_process(COMMAND ${LLVM_CONFIG} --system-libs
  18           OUTPUT_VARIABLE LLVM_SYSTEM_LIBS OUTPUT_STRIP_TRAILING_WHITESPACE)
  19
  20         string(REPLACE -O2 "" LLVM_CFLAGS ${LLVM_CFLAGS})
  21         string(REPLACE -fno-exceptions "" LLVM_CFLAGS ${LLVM_CFLAGS})
  22         string(REPLACE -fno-rtti "" LLVM_CFLAGS ${LLVM_CFLAGS})
  23         string(REPLACE -DNDEBUG "" LLVM_CFLAGS ${LLVM_CFLAGS})
  24         string(REPLACE -I "-isystem" LLVM_CFLAGS ${LLVM_CFLAGS})
  25
  26         separate_arguments(LLVM_CFLAGS)
  27   endif()
  28 endif()
  29
  30 if(NOT DEFINED LLVM_CFLAGS)
  31   message(SEND_ERROR "LLVM 3.5 required but not found")
  32 endif()