3 if(FLAGS_ALREADY_INCLUDED)
6 set(FLAGS_ALREADY_INCLUDED 1)
10 add_definitions(/fp:precise)
13 # set compiler short name and choose SSE2 option for appropriate MSVC compilers
15 if (NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
16 if (MSVC80 OR MSVC90 OR MSVC10)
17 add_definitions(/arch:SSE2)
22 add_definitions (-wd4996)
24 add_definitions (-fexceptions -fPIC -DOCC_CONVERT_SIGNALS)
26 add_definitions (-fexceptions -fPIC -DOCC_CONVERT_SIGNALS)
29 # enable structured exceptions for MSVC
30 string (REGEX MATCH "EHsc" ISFLAG "${CMAKE_CXX_FLAGS}")
32 string (REGEX REPLACE "EHsc" "EHa" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
34 set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -EHa")
37 # remove _WINDOWS flag if it exists
38 string (REGEX MATCH "/D_WINDOWS" IS_WINDOWSFLAG "${CMAKE_CXX_FLAGS}")
40 message (STATUS "Info: /D_WINDOWS has been removed from CMAKE_CXX_FLAGS")
41 string (REGEX REPLACE "/D_WINDOWS" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
44 # remove WIN32 flag if it exists
45 string (REGEX MATCH "/DWIN32" IS_WIN32FLAG "${CMAKE_CXX_FLAGS}")
47 message (STATUS "Info: /DWIN32 has been removed from CMAKE_CXX_FLAGS")
48 string (REGEX REPLACE "/DWIN32" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
51 # remove _WINDOWS flag if it exists
52 string (REGEX MATCH "/D_WINDOWS" IS_WINDOWSFLAG "${CMAKE_C_FLAGS}")
54 message (STATUS "Info: /D_WINDOWS has been removed from CMAKE_C_FLAGS")
55 string (REGEX REPLACE "/D_WINDOWS" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
58 # remove WIN32 flag if it exists
59 string (REGEX MATCH "/DWIN32" IS_WIN32FLAG "${CMAKE_C_FLAGS}")
61 message (STATUS "Info: /DWIN32 has been removed from CMAKE_C_FLAGS")
62 string (REGEX REPLACE "/DWIN32" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
65 # remove DEBUG flag if it exists
66 string (REGEX MATCH "-DDEBUG" IS_DEBUG_CXX "${CMAKE_CXX_FLAGS_DEBUG}")
68 message (STATUS "Info: -DDEBUG has been removed from CMAKE_CXX_FLAGS_DEBUG")
69 string (REGEX REPLACE "-DDEBUG" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
72 string (REGEX MATCH "-DDEBUG" IS_DEBUG_C "${CMAKE_C_FLAGS_DEBUG}")
74 message (STATUS "Info: -DDEBUG has been removed from CMAKE_C_FLAGS_DEBUG")
75 string (REGEX REPLACE "-DDEBUG" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
77 # enable parallel compilation on MSVC 9 and above
78 if (MSVC AND NOT MSVC70 AND NOT MSVC80)
79 set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -MP")
82 # generate a single response file which enlist all of the object files
83 SET(CMAKE_C_USE_RESPONSE_FILE_FOR_OBJECTS 1)
84 SET(CMAKE_CXX_USE_RESPONSE_FILE_FOR_OBJECTS 1)
85 # increase compiler warnings level (-W4 for MSVC, -Wextra for GCC)
87 if (CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
88 string (REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
90 set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
92 elseif (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
93 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
96 if (DEFINED CMAKE_COMPILER_IS_GNUCXX OR "x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xClang")
97 set (CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS}")
100 # Optimize size of binaries
101 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR MINGW)
102 set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -s")
103 set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -s")
106 set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNo_Exception")
107 set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNo_Exception")