227 lines
10 KiB
CMake
227 lines
10 KiB
CMake
macro (add_flags_lnk FLAGS)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS_COVERAGE "${CMAKE_EXE_LINKER_FLAGS_COVERAGE} ${FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS_COVERAGE "${CMAKE_SHARED_LINKER_FLAGS_COVERAGE} ${FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS_DEBUG "${CMAKE_MODULE_LINKER_FLAGS_DEBUG} ${FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS_COVERAGE "${CMAKE_MODULE_LINKER_FLAGS_COVERAGE} ${FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} ${FLAGS}")
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endmacro()
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macro(add_flags_cxx FLAGS)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLAGS}")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${FLAGS}")
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${FLAGS}")
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set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE} ${FLAGS}")
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set(CMAKE_C_FLAGS_COVERAGE "${CMAKE_C_FLAGS_COVERAGE} ${FLAGS}")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${FLAGS}")
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${FLAGS}")
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endmacro()
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macro(set_flags)
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# Add the preprocessor macros used for distinguishing between debug and release builds (CMake does this automatically for MSVC):
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if (NOT MSVC)
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/lib/cmake-coverage/")
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include(CodeCoverage)
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG")
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
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set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE} -D_DEBUG")
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set(CMAKE_C_FLAGS_COVERAGE "${CMAKE_C_FLAGS_COVERAGE} -D_DEBUG")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNDEBUG")
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNDEBUG")
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endif()
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if(MSVC)
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# Make build use multiple threads under MSVC:
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add_flags_cxx("/MP")
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# Make release builds use link-time code generation:
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /GL")
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /GL")
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set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG")
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set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /LTCG")
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set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} /LTCG")
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elseif(APPLE)
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#on os x clang adds pthread for us but we need to add it for gcc
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -std=c++11")
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set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE} -std=c++11")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -std=c++11")
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add_flags_cxx("-stdlib=libc++")
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add_flags_lnk("-stdlib=libc++")
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else()
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add_flags_cxx("-pthread")
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endif()
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else()
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# Let gcc / clang know that we're compiling a multi-threaded app:
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add_flags_cxx("-pthread")
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -std=c++11")
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set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE} -std=c++11")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -std=c++11")
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endif()
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# We use a signed char (fixes #640 on RasPi)
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add_flags_cxx("-fsigned-char")
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endif()
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# Allow for a forced 32-bit build under 64-bit OS:
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if (FORCE_32)
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add_flags_cxx("-m32")
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add_flags_lnk("-m32")
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endif()
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# Have the compiler generate code specifically targeted at the current machine on Linux
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if(LINUX AND NOT CROSSCOMPILE)
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add_flags_cxx("-march=native")
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endif()
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# Use static CRT in MSVC builds:
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if (MSVC)
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string(REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
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string(REPLACE "/MD" "/MT" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
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string(REPLACE "/MDd" "/MTd" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
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string(REPLACE "/MDd" "/MTd" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
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endif()
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endmacro()
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macro(set_lib_flags)
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# Set lower warnings-level for the libraries:
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if (MSVC)
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# Remove /W3 from command line -- cannot just cancel it later with /w like in unix, MSVC produces a D9025 warning (option1 overriden by option2)
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string(REPLACE "/W3" "" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
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string(REPLACE "/W3" "" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
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string(REPLACE "/W3" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
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string(REPLACE "/W3" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
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else()
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -w")
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -w")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -w")
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -w")
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set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE} -w")
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set(CMAKE_C_FLAGS_COVERAGE "${CMAKE_C_FLAGS_COVERAGE} -w")
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endif()
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# On Unix we use two dynamic loading libraries dl and ltdl.
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# Preference is for dl on unknown systems as it is specified in POSIX
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# the dynamic loader is used by lua and sqllite.
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if (UNIX)
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if(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
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set(DYNAMIC_LOADER ltdl)
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else()
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set(DYNAMIC_LOADER dl)
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endif()
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endif()
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endmacro()
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macro(enable_profile)
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# Declare the flags used for profiling builds:
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if (MSVC)
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set (CXX_PROFILING "/Zi")
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set (LNK_PROFILING "/PROFILE /DEBUG")
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else()
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set (CXX_PROFILING "-pg")
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set (LNK_PROFILING "-pg")
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endif()
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# Declare the profiling configurations:
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SET(CMAKE_CXX_FLAGS_DEBUGPROFILE
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"${CMAKE_CXX_FLAGS_DEBUG} ${CXX_PROFILING}"
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CACHE STRING "Flags used by the C++ compiler during profile builds."
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FORCE )
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SET(CMAKE_C_FLAGS_DEBUGPROFILE
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"${CMAKE_C_FLAGS_DEBUG} ${CXX_PROFILING}"
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CACHE STRING "Flags used by the C compiler during profile builds."
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FORCE )
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SET(CMAKE_EXE_LINKER_FLAGS_DEBUGPROFILE
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"${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${LNK_PROFILING}"
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CACHE STRING "Flags used for linking binaries during profile builds."
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FORCE )
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SET(CMAKE_SHARED_LINKER_FLAGS_DEBUGPROFILE
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"${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${LNK_PROFILING}"
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CACHE STRING "Flags used by the shared libraries linker during profile builds."
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FORCE )
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MARK_AS_ADVANCED(
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CMAKE_CXX_FLAGS_DEBUGPROFILE
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CMAKE_C_FLAGS_DEBUGPROFILE
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CMAKE_EXE_LINKER_FLAGS_DEBUGPROFILE
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CMAKE_SHARED_LINKER_FLAGS_DEBUGPROFILE )
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SET(CMAKE_CXX_FLAGS_RELEASEPROFILE
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"${CMAKE_CXX_FLAGS_RELEASE} ${CXX_PROFILING}"
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CACHE STRING "Flags used by the C++ compiler during profile builds."
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FORCE )
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SET(CMAKE_C_FLAGS_RELEASEPROFILE
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"${CMAKE_C_FLAGS_RELEASE} ${CXX_PROFILING}"
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CACHE STRING "Flags used by the C compiler during profile builds."
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FORCE )
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SET(CMAKE_EXE_LINKER_FLAGS_RELEASEPROFILE
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"${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${LNK_PROFILING}"
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CACHE STRING "Flags used for linking binaries during profile builds."
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FORCE )
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SET(CMAKE_SHARED_LINKER_FLAGS_RELEASEPROFILE
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"${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${LNK_PROFILING}"
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CACHE STRING "Flags used by the shared libraries linker during profile builds."
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FORCE )
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MARK_AS_ADVANCED(
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CMAKE_CXX_FLAGS_RELEASEPROFILE
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CMAKE_C_FLAGS_RELEASEPROFILE
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CMAKE_EXE_LINKER_FLAGS_RELEASEPROFILE
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CMAKE_SHARED_LINKER_FLAGS_RELEASEPROFILE )
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# The configuration types need to be set after their respective c/cxx/linker flags and before the project directive
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if(MSVC)
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set(CMAKE_CONFIGURATION_TYPES "Debug;Release;DebugProfile;ReleaseProfile" CACHE STRING "" FORCE)
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else()
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set(CMAKE_CONFIGURATION_TYPES "Debug;Release;DebugProfile;ReleaseProfile;Coverage" CACHE STRING "" FORCE)
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endif()
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endmacro()
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macro(set_exe_flags)
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# Remove disabling the maximum warning level:
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# clang does not like a command line that reads -Wall -Wextra -w -Wall -Wextra and does not output any warnings
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# We do not do that for MSVC since MSVC produces an awful lot of warnings for its own STL headers;
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# the important warnings are turned on using #pragma in Globals.h
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if (NOT MSVC)
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string(REPLACE "-w" "" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
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string(REPLACE "-w" "" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
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string(REPLACE "-w" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
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string(REPLACE "-w" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
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string(REPLACE "-w" "" CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE}")
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string(REPLACE "-w" "" CMAKE_C_FLAGS_COVERAGE "${CMAKE_C_FLAGS_COVERAGE}")
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add_flags_cxx("-Wall -Wextra -Wno-unused-parameter -Wno-error=switch")
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# we support non-IEEE 754 fpus so can make no guarentees about error
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add_flags_cxx("-ffast-math")
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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# clang does not provide the __extern_always_inline macro and a part of libm depends on this when using fast-math
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add_flags_cxx("-D__extern_always_inline=inline")
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add_flags_cxx("-Werror -Weverything -Wno-c++98-compat-pedantic -Wno-string-conversion")
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add_flags_cxx("-Wno-extra-semi -Wno-error=switch-enum -Wno-documentation")
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add_flags_cxx("-Wno-error=sign-conversion -Wno-error=conversion -Wno-padded")
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add_flags_cxx("-Wno-error=deprecated -Wno-error=weak-vtables -Wno-error=float-equal")
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add_flags_cxx("-Wno-error=missing-prototypes -Wno-error=non-virtual-dtor")
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add_flags_cxx("-Wno-error=covered-switch-default -Wno-error=shadow")
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add_flags_cxx("-Wno-error=exit-time-destructors -Wno-error=missing-variable-declarations")
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add_flags_cxx("-Wno-error=global-constructors -Wno-implicit-fallthrough")
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add_flags_cxx("-Wno-weak-vtables -Wno-switch-enum -Wno-exit-time-destructors")
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endif()
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endif()
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endmacro()
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