mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-04 18:06:22 +03:00
c2c9890c68
Added ldl dependency for TKernel only (other toolkits were checked, no undefined symbols) Added option "-z defs" for linking on Linux Added lm dependency for all toolkits
119 lines
4.2 KiB
CMake
119 lines
4.2 KiB
CMake
##
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if(FLAGS_ALREADY_INCLUDED)
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return()
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endif()
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set(FLAGS_ALREADY_INCLUDED 1)
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if (MSVC)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fp:precise")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fp:precise")
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endif()
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# set compiler short name and choose SSE2 option for appropriate MSVC compilers
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# ONLY for 32-bit
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if (NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
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if (MSVC80 OR MSVC90 OR MSVC10)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:SSE2")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /arch:SSE2")
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endif()
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endif()
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if (WIN32)
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add_definitions (-D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE)
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else()
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions -fPIC")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fexceptions -fPIC")
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add_definitions(-DOCC_CONVERT_SIGNALS)
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endif()
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# enable structured exceptions for MSVC
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string (REGEX MATCH "EHsc" ISFLAG "${CMAKE_CXX_FLAGS}")
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if (ISFLAG)
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string (REGEX REPLACE "EHsc" "EHa" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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elseif (WIN32)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -EHa")
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endif()
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# remove _WINDOWS flag if it exists
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string (REGEX MATCH "/D_WINDOWS" IS_WINDOWSFLAG "${CMAKE_CXX_FLAGS}")
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if (IS_WINDOWSFLAG)
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message (STATUS "Info: /D_WINDOWS has been removed from CMAKE_CXX_FLAGS")
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string (REGEX REPLACE "/D_WINDOWS" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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endif()
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# remove WIN32 flag if it exists
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string (REGEX MATCH "/DWIN32" IS_WIN32FLAG "${CMAKE_CXX_FLAGS}")
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if (IS_WIN32FLAG)
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message (STATUS "Info: /DWIN32 has been removed from CMAKE_CXX_FLAGS")
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string (REGEX REPLACE "/DWIN32" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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endif()
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# remove _WINDOWS flag if it exists
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string (REGEX MATCH "/D_WINDOWS" IS_WINDOWSFLAG "${CMAKE_C_FLAGS}")
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if (IS_WINDOWSFLAG)
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message (STATUS "Info: /D_WINDOWS has been removed from CMAKE_C_FLAGS")
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string (REGEX REPLACE "/D_WINDOWS" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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endif()
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# remove WIN32 flag if it exists
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string (REGEX MATCH "/DWIN32" IS_WIN32FLAG "${CMAKE_C_FLAGS}")
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if (IS_WIN32FLAG)
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message (STATUS "Info: /DWIN32 has been removed from CMAKE_C_FLAGS")
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string (REGEX REPLACE "/DWIN32" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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endif()
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# remove DEBUG flag if it exists
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string (REGEX MATCH "-DDEBUG" IS_DEBUG_CXX "${CMAKE_CXX_FLAGS_DEBUG}")
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if (IS_DEBUG_CXX)
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message (STATUS "Info: -DDEBUG has been removed from CMAKE_CXX_FLAGS_DEBUG")
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string (REGEX REPLACE "-DDEBUG" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
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endif()
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string (REGEX MATCH "-DDEBUG" IS_DEBUG_C "${CMAKE_C_FLAGS_DEBUG}")
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if (IS_DEBUG_C)
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message (STATUS "Info: -DDEBUG has been removed from CMAKE_C_FLAGS_DEBUG")
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string (REGEX REPLACE "-DDEBUG" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
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endif()
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# enable parallel compilation on MSVC 9 and above
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if (MSVC AND NOT MSVC70 AND NOT MSVC80)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -MP")
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endif()
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# generate a single response file which enlist all of the object files
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SET(CMAKE_C_USE_RESPONSE_FILE_FOR_OBJECTS 1)
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SET(CMAKE_CXX_USE_RESPONSE_FILE_FOR_OBJECTS 1)
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# increase compiler warnings level (-W4 for MSVC, -Wextra for GCC)
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if (MSVC)
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if (CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
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string (REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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else()
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
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endif()
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elseif (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
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if (BUILD_SHARED_LIBS)
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if (APPLE)
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set (CMAKE_SHARED_LINKER_FLAGS "-lm ${CMAKE_SHARED_LINKER_FLAGS}")
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else()
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set (CMAKE_SHARED_LINKER_FLAGS "-lm -z defs ${CMAKE_SHARED_LINKER_FLAGS}")
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endif()
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else()
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if (NOT ANDROID)
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set (CMAKE_STATIC_LINKER_FLAGS "-lm ${CMAKE_SHARED_STATIC_FLAGS}")
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endif()
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endif()
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endif()
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if (DEFINED CMAKE_COMPILER_IS_GNUCXX OR "x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xClang")
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set (CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS}")
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endif()
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# Optimize size of binaries
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if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR MINGW)
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set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -s")
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set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -s")
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endif()
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set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNo_Exception")
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set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNo_Exception") |