summaryrefslogtreecommitdiffstats
path: root/SetFlags.cmake
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--SetFlags.cmake208
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()