mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-03 17:56:21 +03:00
Linking against 3rd-party libs when configuring a static OCCT build is eliminated. math library is not linked if build is static also: an info message is expanded by several words describing using of only header files of 3rdparties Removed unnecessary for static build CMake gui variables
127 lines
4.6 KiB
CMake
127 lines
4.6 KiB
CMake
##
|
|
|
|
if(FLAGS_ALREADY_INCLUDED)
|
|
return()
|
|
endif()
|
|
set(FLAGS_ALREADY_INCLUDED 1)
|
|
|
|
# force option /fp:precise for Visual Studio projects.
|
|
#
|
|
# Note that while this option is default for MSVC compiler, Visual Studio
|
|
# project can be switched later to use Intel Compiler (ICC).
|
|
# Enforcing -fp:precise ensures that in such case ICC will use correct
|
|
# option instead of its default -fp:fast which is harmful for OCCT.
|
|
if (MSVC)
|
|
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fp:precise")
|
|
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /fp:precise")
|
|
endif()
|
|
|
|
# set compiler short name and choose SSE2 option for appropriate MSVC compilers
|
|
# ONLY for 32-bit
|
|
if (NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
|
|
if (MSVC80 OR MSVC90 OR MSVC10)
|
|
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:SSE2")
|
|
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /arch:SSE2")
|
|
endif()
|
|
endif()
|
|
|
|
if (WIN32)
|
|
add_definitions (-D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE)
|
|
else()
|
|
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions -fPIC")
|
|
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fexceptions -fPIC")
|
|
add_definitions(-DOCC_CONVERT_SIGNALS)
|
|
endif()
|
|
|
|
# enable structured exceptions for MSVC
|
|
string (REGEX MATCH "EHsc" ISFLAG "${CMAKE_CXX_FLAGS}")
|
|
if (ISFLAG)
|
|
string (REGEX REPLACE "EHsc" "EHa" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
|
elseif (MSVC)
|
|
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHa")
|
|
endif()
|
|
|
|
# remove _WINDOWS flag if it exists
|
|
string (REGEX MATCH "/D_WINDOWS" IS_WINDOWSFLAG "${CMAKE_CXX_FLAGS}")
|
|
if (IS_WINDOWSFLAG)
|
|
message (STATUS "Info: /D_WINDOWS has been removed from CMAKE_CXX_FLAGS")
|
|
string (REGEX REPLACE "/D_WINDOWS" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
|
endif()
|
|
|
|
# remove WIN32 flag if it exists
|
|
string (REGEX MATCH "/DWIN32" IS_WIN32FLAG "${CMAKE_CXX_FLAGS}")
|
|
if (IS_WIN32FLAG)
|
|
message (STATUS "Info: /DWIN32 has been removed from CMAKE_CXX_FLAGS")
|
|
string (REGEX REPLACE "/DWIN32" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
|
endif()
|
|
|
|
# remove _WINDOWS flag if it exists
|
|
string (REGEX MATCH "/D_WINDOWS" IS_WINDOWSFLAG "${CMAKE_C_FLAGS}")
|
|
if (IS_WINDOWSFLAG)
|
|
message (STATUS "Info: /D_WINDOWS has been removed from CMAKE_C_FLAGS")
|
|
string (REGEX REPLACE "/D_WINDOWS" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
|
|
endif()
|
|
|
|
# remove WIN32 flag if it exists
|
|
string (REGEX MATCH "/DWIN32" IS_WIN32FLAG "${CMAKE_C_FLAGS}")
|
|
if (IS_WIN32FLAG)
|
|
message (STATUS "Info: /DWIN32 has been removed from CMAKE_C_FLAGS")
|
|
string (REGEX REPLACE "/DWIN32" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
|
|
endif()
|
|
|
|
# remove DEBUG flag if it exists
|
|
string (REGEX MATCH "-DDEBUG" IS_DEBUG_CXX "${CMAKE_CXX_FLAGS_DEBUG}")
|
|
if (IS_DEBUG_CXX)
|
|
message (STATUS "Info: -DDEBUG has been removed from CMAKE_CXX_FLAGS_DEBUG")
|
|
string (REGEX REPLACE "-DDEBUG" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
|
|
endif()
|
|
|
|
string (REGEX MATCH "-DDEBUG" IS_DEBUG_C "${CMAKE_C_FLAGS_DEBUG}")
|
|
if (IS_DEBUG_C)
|
|
message (STATUS "Info: -DDEBUG has been removed from CMAKE_C_FLAGS_DEBUG")
|
|
string (REGEX REPLACE "-DDEBUG" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
|
|
endif()
|
|
# enable parallel compilation on MSVC 9 and above
|
|
if (MSVC AND NOT MSVC70 AND NOT MSVC80)
|
|
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
|
|
endif()
|
|
|
|
# generate a single response file which enlist all of the object files
|
|
SET(CMAKE_C_USE_RESPONSE_FILE_FOR_OBJECTS 1)
|
|
SET(CMAKE_CXX_USE_RESPONSE_FILE_FOR_OBJECTS 1)
|
|
# increase compiler warnings level (-W4 for MSVC, -Wextra for GCC)
|
|
if (MSVC)
|
|
if (CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
|
|
string (REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
|
else()
|
|
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
|
|
endif()
|
|
elseif (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
|
|
if (BUILD_SHARED_LIBS)
|
|
if (APPLE)
|
|
set (CMAKE_SHARED_LINKER_FLAGS "-lm ${CMAKE_SHARED_LINKER_FLAGS}")
|
|
elseif(NOT WIN32)
|
|
set (CMAKE_SHARED_LINKER_FLAGS "-lm ${CMAKE_SHARED_LINKER_FLAGS}")
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
if(MINGW)
|
|
set (CMAKE_CXX_FLAGS "-std=gnu++0x ${CMAKE_CXX_FLAGS}")
|
|
add_definitions(-D_WIN32_WINNT=0x0501)
|
|
# workaround bugs in mingw with vtable export
|
|
set (CMAKE_SHARED_LINKER_FLAGS "-Wl,--export-all-symbols")
|
|
elseif (DEFINED CMAKE_COMPILER_IS_GNUCXX OR "x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xClang")
|
|
set (CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS}")
|
|
endif()
|
|
|
|
# Optimize size of binaries
|
|
if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR MINGW)
|
|
set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -s")
|
|
set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -s")
|
|
endif()
|
|
|
|
set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNo_Exception")
|
|
set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNo_Exception")
|