CMake/HPHPCompiler.cmake

   1 if(CMAKE_COMPILER_IS_GNUCC)
   2         INCLUDE(CheckCSourceCompiles)
   3
   4         CHECK_C_SOURCE_COMPILES("#define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
   5 #if GCC_VERSION < 40700
   6 #error Not GCC 4.7.0+
   7 #endif
   8 int main() { return 0; }" HAVE_GCC_47)
   9
  10         if (NOT HAVE_GCC_47)
  11                 message(FATAL_ERROR "Need at least GCC 4.7")
  12         endif()
  13
  14         CHECK_C_SOURCE_COMPILES("#define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
  15 #if GCC_VERSION < 40800
  16 #error Not GCC 4.8.0+
  17 #endif
  18 int main() { return 0; }" HAVE_GCC_48)
  19
  20 endif()
  21
  22 set(FREEBSD FALSE)
  23 set(LINUX FALSE)
  24
  25 if("${CMAKE_SYSTEM_NAME}" STREQUAL "FreeBSD")
  26         set(FREEBSD TRUE)
  27 endif()
  28
  29 if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
  30         set(LINUX TRUE)
  31 endif()
  32
  33 if($ENV{CXX} MATCHES "icpc")
  34         set(CMAKE_C_FLAGS "-no-ipo -fp-model precise -wd584 -wd1418 -wd1918 -wd383 -wd869 -wd981 -wd424 -wd1419 -wd444 -wd271 -wd2259 -wd1572 -wd1599 -wd82 -wd177 -wd593 -w")
  35         set(CMAKE_CXX_FLAGS "-no-ipo -fp-model precise -wd584 -wd1418 -wd1918 -wd383 -wd869 -wd981 -wd424 -wd1419 -wd444 -wd271 -wd2259 -wd1572 -wd1599 -wd82 -wd177 -wd593 -fno-omit-frame-pointer -ftemplate-depth-180 -Wall -Woverloaded-virtual -Wno-deprecated -w1 -Wno-strict-aliasing -Wno-write-strings -Wno-invalid-offsetof -fno-operator-names")
  36 else()
  37         set(GNUCC_48_OPT "")
  38         if(HAVE_GCC_48)
  39                 set(GNUCC_48_OPT "-Wno-unused-local-typedefs -fno-canonical-system-headers")
  40         endif()
  41         set(CMAKE_C_FLAGS "-w")
  42         set(CMAKE_CXX_FLAGS "-fno-gcse -fno-omit-frame-pointer -ftemplate-depth-180 -Wall -Woverloaded-virtual -Wno-deprecated -Wno-strict-aliasing -Wno-write-strings -Wno-invalid-offsetof -fno-operator-names -Wno-error=array-bounds -Wno-error=switch -std=gnu++11 -Werror=format-security -Wno-unused-result -Wno-sign-compare -Wno-attributes -Wno-maybe-uninitialized ${GNUCC_48_OPT}")
  43 endif()
  44
  45 if(CMAKE_COMPILER_IS_GNUCC)
  46         set(CMAKE_C_FLAGS_RELEASE "-O3")
  47 endif()
  48
  49 if(CMAKE_COMPILER_IS_GNUCXX)
  50         set(CMAKE_CXX_FLAGS_RELEASE "-O3")
  51 endif()
  52