diff options
Diffstat (limited to 'SetFlags.cmake')
| -rw-r--r-- | SetFlags.cmake | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/SetFlags.cmake b/SetFlags.cmake new file mode 100644 index 000000000..a2f13384a --- /dev/null +++ b/SetFlags.cmake @@ -0,0 +1,208 @@ + + +macro (add_flags_lnk FLAGS) + set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAGS}") + set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${FLAGS}") + set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${FLAGS}") + set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FLAGS}") + set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${FLAGS}") + set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${FLAGS}") + set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${FLAGS}") + set(CMAKE_MODULE_LINKER_FLAGS_DEBUG "${CMAKE_MODULE_LINKER_FLAGS_DEBUG} ${FLAGS}") + set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} ${FLAGS}") +endmacro() + +macro(add_flags_cxx FLAGS) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLAGS}") + set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${FLAGS}") + set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${FLAGS}") + set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${FLAGS}") + set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${FLAGS}") +endmacro() + + +macro(set_flags) + if(NOT DEFINED ${FLAGS_SET}) + set(FLAGS_SET 1) + + # Add the preprocessor macros used for distinguishing between debug and release builds (CMake does this automatically for MSVC): + if (NOT MSVC) + set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG") + set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG") + set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNDEBUG") + set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNDEBUG") + endif() + + if(MSVC) + # Make build use multiple threads under MSVC: + add_flags_cxx("/MP") + + # Make release builds use link-time code generation: + set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /GL") + set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /GL") + set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG") + set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /LTCG") + set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} /LTCG") + elseif(APPLE) + #on os x clang adds pthread for us but we need to add it for gcc + if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") + set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -std=c++11") + set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -std=c++11") + else() + add_flags_cxx("-pthread") + endif() + + else() + # Let gcc / clang know that we're compiling a multi-threaded app: + add_flags_cxx("-pthread") + if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") + set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -std=c++11") + set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -std=c++11") + endif() + + # We use a signed char (fixes #640 on RasPi) + add_flags_cxx("-fsigned-char") + endif() + + + # Allow for a forced 32-bit build under 64-bit OS: + if (FORCE_32) + add_flags_cxx("-m32") + add_flags_lnk("-m32") + endif() + + + # Have the compiler generate code specifically targeted at the current machine on Linux + if(LINUX AND NOT CROSSCOMPILE) + add_flags_cxx("-march=native") + endif() + + + # Use static CRT in MSVC builds: + if (MSVC) + string(REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}") + string(REPLACE "/MD" "/MT" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") + string(REPLACE "/MDd" "/MTd" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}") + string(REPLACE "/MDd" "/MTd" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}") + endif() + + endif() +endmacro() + +macro(set_lib_flags) + if(NOT DEFINED ${LIB_FLAGS_SET}) + set(LIB_FLAGS_SET 1) + # Set lower warnings-level for the libraries: + if (MSVC) + # Remove /W3 from command line -- cannot just cancel it later with /w like in unix, MSVC produces a D9025 warning (option1 overriden by option2) + string(REPLACE "/W3" "" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}") + string(REPLACE "/W3" "" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") + string(REPLACE "/W3" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}") + string(REPLACE "/W3" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}") + else() + set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -w") + set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -w") + set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -w") + set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -w") + endif() + + # On Unix we use two dynamic loading libraries dl and ltdl. + # Preference is for dl on unknown systems as it is specified in POSIX + # the dynamic loader is used by lua and sqllite. + if (UNIX) + if(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD") + set(DYNAMIC_LOADER ltdl) + else() + set(DYNAMIC_LOADER dl) + endif() + endif() + + + endif() +endmacro() + +macro(enable_profile) + if(NOT DEFINED ${PROFILE_ENABLED}) + set(PROFILE_ENABLED 1) + + # Declare the flags used for profiling builds: + if (MSVC) + set (CXX_PROFILING "") + set (LNK_PROFILING "/PROFILE") + else() + set (CXX_PROFILING "-pg") + set (LNK_PROFILING "-pg") + endif() + + + # Declare the profiling configurations: + SET(CMAKE_CXX_FLAGS_DEBUGPROFILE + "${CMAKE_CXX_FLAGS_DEBUG} ${PCXX_ROFILING}" + CACHE STRING "Flags used by the C++ compiler during profile builds." + FORCE ) + SET(CMAKE_C_FLAGS_DEBUGPROFILE + "${CMAKE_C_FLAGS_DEBUG} ${CXX_PROFILING}" + CACHE STRING "Flags used by the C compiler during profile builds." + FORCE ) + SET(CMAKE_EXE_LINKER_FLAGS_DEBUGPROFILE + "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${LNK_PROFILING}" + CACHE STRING "Flags used for linking binaries during profile builds." + FORCE ) + SET(CMAKE_SHARED_LINKER_FLAGS_DEBUGPROFILE + "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${LNK_PROFILING}" + CACHE STRING "Flags used by the shared libraries linker during profile builds." + FORCE ) + MARK_AS_ADVANCED( + CMAKE_CXX_FLAGS_DEBUGPROFILE + CMAKE_C_FLAGS_DEBUGPROFILE + CMAKE_EXE_LINKER_FLAGS_DEBUGPROFILE + CMAKE_SHARED_LINKER_FLAGS_DEBUGPROFILE ) + + SET(CMAKE_CXX_FLAGS_RELEASEPROFILE + "${CMAKE_CXX_FLAGS_RELEASE} ${CXX_PROFILING}" + CACHE STRING "Flags used by the C++ compiler during profile builds." + FORCE ) + SET(CMAKE_C_FLAGS_RELEASEPROFILE + "${CMAKE_C_FLAGS_RELEASE} ${CXX_PROFILING}" + CACHE STRING "Flags used by the C compiler during profile builds." + FORCE ) + SET(CMAKE_EXE_LINKER_FLAGS_RELEASEPROFILE + "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${LNK_PROFILING}" + CACHE STRING "Flags used for linking binaries during profile builds." + FORCE ) + SET(CMAKE_SHARED_LINKER_FLAGS_RELEASEPROFILE + "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${LNK_PROFILING}" + CACHE STRING "Flags used by the shared libraries linker during profile builds." + FORCE ) + MARK_AS_ADVANCED( + CMAKE_CXX_FLAGS_RELEASEPROFILE + CMAKE_C_FLAGS_RELEASEPROFILE + CMAKE_EXE_LINKER_FLAGS_RELEASEPROFILE + CMAKE_SHARED_LINKER_FLAGS_RELEASEPROFILE ) + # The configuration types need to be set after their respective c/cxx/linker flags and before the project directive + set(CMAKE_CONFIGURATION_TYPES "Debug;Release;DebugProfile;ReleaseProfile" CACHE STRING "" FORCE) + endif() +endmacro() + +macro(set_exe_flags) + if(NOT DEFINED ${EXE_FLAGS_SET}) + set(EXE_FLAGS_SET 1) + + # Remove disabling the maximum warning level: + # clang does not like a command line that reads -Wall -Wextra -w -Wall -Wextra and does not output any warnings + # We do not do that for MSVC since MSVC produces an awful lot of warnings for its own STL headers; + # the important warnings are turned on using #pragma in Globals.h + if (NOT MSVC) + string(REPLACE "-w" "" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}") + string(REPLACE "-w" "" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") + string(REPLACE "-w" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}") + string(REPLACE "-w" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}") + add_flags_cxx("-Wall") + endif() + + + endif() +endmacro() |