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0031606: Configuration, CMake - build fails with Android NDK + CLang compiler + MinGW Makefiles

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CLang is now checked before MINGW within occt_defs_flags.cmake.
Added "-Wl,-s" linker flag when using CLang for stripping symbols consistently to GCC builds.
This commit is contained in:
kgv 2020-06-10 20:07:12 +03:00 committed by bugmaster
parent 36cc58f85d
commit 32b723d5c6
1 changed files with 21 additions and 16 deletions
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37
adm/cmake/occt_defs_flags.cmake
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@ -111,7 +111,18 @@ elseif (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMP
endif()
endif()
if(MINGW)
if ("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xClang")
if (APPLE)
# CLang can be used with both libstdc++ and libc++, however on OS X libstdc++ is outdated.
set (CMAKE_CXX_FLAGS "-std=c++0x -stdlib=libc++ ${CMAKE_CXX_FLAGS}")
elseif(NOT WIN32)
# CLang for Windows (at least CLang 8.0 distributed with VS 2019)
# does not support option "-std=c++0x"
set (CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS}")
endif()
# Optimize size of binaries
set (CMAKE_SHARED_LINKER_FLAGS "-Wl,-s ${CMAKE_SHARED_LINKER_FLAGS}")
elseif(MINGW)
# Set default release optimization option to O2 instead of O3, since in
# some OCCT related examples, this gives significantly smaller binaries
# at comparable performace with MinGW-w64.
@ -122,25 +133,19 @@ if(MINGW)
set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2")
endif()
set (CMAKE_CXX_FLAGS "-std=gnu++0x ${CMAKE_CXX_FLAGS}")
add_definitions(-D_WIN32_WINNT=0x0501)
# workaround bugs in mingw with vtable export
set (CMAKE_SHARED_LINKER_FLAGS "-Wl,--export-all-symbols")
elseif ("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xClang")
if (APPLE)
# CLang can be used with both libstdc++ and libc++, however on OS X libstdc++ is outdated.
set (CMAKE_CXX_FLAGS "-std=c++0x -stdlib=libc++ ${CMAKE_CXX_FLAGS}")
elseif(NOT WIN32)
# CLang for Windows (at least CLang 8.0 distributed with VS 2019)
# does not support option "-std=c++0x"
set (CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS}")
endif()
elseif (DEFINED CMAKE_COMPILER_IS_GNUCXX)
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)
# Require C++11
set (CMAKE_CXX_FLAGS "-std=gnu++0x ${CMAKE_CXX_FLAGS}")
# Optimize size of binaries
set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -s")
set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -s")
elseif (DEFINED CMAKE_COMPILER_IS_GNUCXX)
# Require C++11
set (CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS}")
# Optimize size of binaries
set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -s")
set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -s")
endif()