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CMake: add an option for using preferred release build flags

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Add wxUSE_OPTIMISE build option.

See #18436.

Closes https://github.com/wxWidgets/wxWidgets/pull/1399
This commit is contained in:
Deamhan 2019-07-09 18:22:07 +03:00 committed by Vadim Zeitlin
parent c219b53a2d
commit 0be2d94189
2 changed files with 39 additions and 0 deletions
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32
build/cmake/init.cmake
View File

@ -37,11 +37,43 @@ if(MSVC)
endif()
endforeach()
if(wxBUILD_OPTIMISE)
set(MSVC_LINKER_RELEASE_FLAGS " /LTCG /OPT:REF /OPT:ICF")
wx_string_append(CMAKE_EXE_LINKER_FLAGS_RELEASE "${MSVC_LINKER_RELEASE_FLAGS}")
wx_string_append(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${MSVC_LINKER_RELEASE_FLAGS}")
wx_string_append(CMAKE_STATIC_LINKER_FLAGS_RELEASE " /LTCG")
set(MSVC_COMPILER_RELEASE_FLAGS " /Ox /Oi /Ot /Oy /GS- /Gy /GL /Gw")
wx_string_append(CMAKE_CXX_FLAGS_RELEASE "${MSVC_COMPILER_RELEASE_FLAGS}")
wx_string_append(CMAKE_C_FLAGS_RELEASE "${MSVC_COMPILER_RELEASE_FLAGS}")
endif()
if(NOT wxBUILD_STRIPPED_RELEASE)
set(MSVC_PDB_FLAG " /DEBUG")
endif()
wx_string_append(CMAKE_EXE_LINKER_FLAGS_RELEASE "${MSVC_PDB_FLAG}")
wx_string_append(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${MSVC_PDB_FLAG}")
if(wxBUILD_MSVC_MULTIPROC)
wx_string_append(CMAKE_C_FLAGS " /MP")
wx_string_append(CMAKE_CXX_FLAGS " /MP")
endif()
elseif(("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang"))
if(wxBUILD_OPTIMISE)
set(GCC_PREFERRED_RELEASE_FLAGS " -O2 -fomit-frame-pointer")
wx_string_append(CMAKE_CXX_FLAGS_RELEASE "${GCC_PREFERRED_RELEASE_FLAGS}")
wx_string_append(CMAKE_C_FLAGS_RELEASE "${GCC_PREFERRED_RELEASE_FLAGS}")
endif()
if(wxBUILD_STRIPPED_RELEASE)
set(LD_STRIPPING_FLAG " -s")
wx_string_append(CMAKE_EXE_LINKER_FLAGS_RELEASE "${LD_STRIPPING_FLAG}")
wx_string_append(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${LD_STRIPPING_FLAG}")
else()
set(COMPILER_DBGSYM_FLAG " -g")
wx_string_append(CMAKE_CXX_FLAGS_RELEASE "${COMPILER_DBGSYM_FLAG}")
wx_string_append(CMAKE_C_FLAGS_RELEASE "${COMPILER_DBGSYM_FLAG}")
endif()
if(wxBUILD_USE_STATIC_RUNTIME)
if(MINGW)
set(STATIC_LINKER_FLAGS " -static")

7
build/cmake/options.cmake
View File

@ -47,6 +47,13 @@ if(WIN32)
set(wxBUILD_VENDOR "custom" CACHE STRING "Short string identifying your company (used in DLL name)")
endif()
wx_option(wxBUILD_OPTIMISE "use speed-optimised C/C++ compiler flags for release build" OFF)
if(MSVC)
set(wxBUILD_STRIPPED_RELEASE_DEFAULT OFF)
else()
set(wxBUILD_STRIPPED_RELEASE_DEFAULT ON)
endif()
wx_option(wxBUILD_STRIPPED_RELEASE "remove debug symbols in release build" ${wxBUILD_STRIPPED_RELEASE_DEFAULT})
wx_option(wxUSE_NO_RTTI "disable RTTI support" OFF)
# STL options