3 include(CheckCCompilerFlag) |
3 include(CheckCCompilerFlag) |
4 #when you need to check for a linker flag, just leave the argument of "check_c_compiler_flag" empty |
4 #when you need to check for a linker flag, just leave the argument of "check_c_compiler_flag" empty |
5 |
5 |
6 # CMAKE_C{XX}_FLAGS is for compiler flags (c and c++) |
6 # CMAKE_C{XX}_FLAGS is for compiler flags (c and c++) |
7 # CMAKE_EXE_LINKER_FLAGS is for linker flags (also add them to pascal_flags and haskell_flags) |
7 # CMAKE_EXE_LINKER_FLAGS is for linker flags (also add them to pascal_flags and haskell_flags) |
8 |
8 # CMAKE_SHARED_LIBRARY_<lang>_FLAGS same but for shared libraries |
9 |
9 |
10 #TODO: should there be two different checks for C and CXX? |
10 #TODO: should there be two different checks for C and CXX? |
11 |
11 |
12 #stack protection |
12 #stack protection, when found it needs to go in the linker flags too (-lssp is added) |
13 check_c_compiler_flag("-fstack-protector" HAVE_STACKPROTECTOR) |
13 check_c_compiler_flag("-fstack-protector" HAVE_STACKPROTECTOR) |
14 if(HAVE_STACKPROTECTOR) |
14 if(HAVE_STACKPROTECTOR) |
15 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector") |
15 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector") |
16 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstack-protector") |
16 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstack-protector") |
|
17 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fstack-protector") |
|
18 set(CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} -fstack-protector") |
|
19 set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} -fstack-protector") |
17 endif() |
20 endif() |
18 |
21 |
19 #symbol visibility |
22 #symbol visibility |
20 check_c_compiler_flag("-fvisibility=hidden" HAVE_VISIBILITYH) |
23 check_c_compiler_flag("-fvisibility=hidden" HAVE_VISIBILITYH) |
21 if(HAVE_VISIBILITYH) |
24 if(HAVE_VISIBILITYH) |