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wxWidgets/build/cmake/init.cmake
Maarten Bent 7f5ca2a4cb CMake: Fix detecting AppleClang 
Policies are now correctly initialized (before creating the project).
Policy CMP0025 changes the compilerID of Clang on Apple, handle this correctly.
2019-07-19 21:13:04 +02:00

495 lines
17 KiB
CMake
Raw Blame History

#############################################################################
# Name: build/cmake/init.cmake
# Purpose: Initialize variables based on user selection and system
# information before creating build targets
# Author: Tobias Taschner
# Created: 2016-09-24
# Copyright: (c) 2016 wxWidgets development team
# Licence: wxWindows licence
#############################################################################
if(MSVC)
# Determine MSVC runtime library flag
set(MSVC_LIB_USE "/MD")
set(MSVC_LIB_REPLACE "/MT")
if(wxBUILD_USE_STATIC_RUNTIME)
set(MSVC_LIB_USE "/MT")
set(MSVC_LIB_REPLACE "/MD")
endif()
# Set MSVC runtime flags for all configurations
foreach(cfg "" ${CMAKE_CONFIGURATION_TYPES})
set(c_flag_var CMAKE_C_FLAGS)
set(cxx_flag_var CMAKE_CXX_FLAGS)
if(cfg)
string(TOUPPER ${cfg} cfg_upper)
wx_string_append(c_flag_var "_${cfg_upper}")
wx_string_append(cxx_flag_var "_${cfg_upper}")
endif()
if(${c_flag_var} MATCHES ${MSVC_LIB_REPLACE})
string(REPLACE ${MSVC_LIB_REPLACE} ${MSVC_LIB_USE} ${c_flag_var} "${${c_flag_var}}")
set(${c_flag_var} ${${c_flag_var}} CACHE STRING
"Flags used by the C compiler during ${cfg_upper} builds." FORCE)
endif()
if(${cxx_flag_var} MATCHES ${MSVC_LIB_REPLACE})
string(REPLACE ${MSVC_LIB_REPLACE} ${MSVC_LIB_USE} ${cxx_flag_var} "${${cxx_flag_var}}")
set(${cxx_flag_var} ${${cxx_flag_var}} CACHE STRING
"Flags used by the CXX compiler during ${cfg_upper} builds." FORCE)
endif()
endforeach()
if(wxBUILD_OPTIMISE)
set(MSVC_LINKER_RELEASE_FLAGS " /LTCG /OPT:REF /OPT:ICF")
wx_string_append(CMAKE_EXE_LINKER_FLAGS_RELEASE "${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 "${MSVC_PDB_FLAG}")
if(wxBUILD_MSVC_MULTIPROC)
wx_string_append(CMAKE_C_FLAGS " /MP")
wx_string_append(CMAKE_CXX_FLAGS " /MP")
endif()
if(NOT POLICY CMP0092)
string(REGEX REPLACE "/W[0-4]" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
string(REGEX REPLACE "/W[0-4]" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
endif()
elseif(("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang"))
if(wxBUILD_OPTIMISE)
set(GCC_PREFERRED_RELEASE_FLAGS " -O2 -fomit-frame-pointer")
wx_string_append(CMAKE_CXX_FLAGS_RELEASE "${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 "${COMPILER_DBGSYM_FLAG}")
endif()
if(wxBUILD_USE_STATIC_RUNTIME)
if(MINGW)
set(STATIC_LINKER_FLAGS " -static")
else()
set(STATIC_LINKER_FLAGS " -static-libgcc -static-libstdc++")
endif()
wx_string_append(CMAKE_EXE_LINKER_FLAGS "${STATIC_LINKER_FLAGS}")
wx_string_append(CMAKE_SHARED_LINKER_FLAGS "${STATIC_LINKER_FLAGS}")
endif()
endif()
if(wxBUILD_COMPATIBILITY VERSION_LESS 3.0)
set(WXWIN_COMPATIBILITY_2_8 ON)
endif()
if(wxBUILD_COMPATIBILITY VERSION_LESS 3.1)
set(WXWIN_COMPATIBILITY_3_0 ON)
endif()
if(wxUSE_NO_RTTI)
if(MSVC)
add_compile_options("/GR-")
elseif(("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang"))
wx_string_append(CMAKE_CXX_FLAGS " -fno-rtti")
endif()
add_definitions("-DwxNO_RTTI")
endif()
# Build wxBUILD_FILE_ID used for config and setup path
#TODO: build different id for WIN32
set(wxBUILD_FILE_ID "${wxBUILD_TOOLKIT}${wxBUILD_WIDGETSET}-")
if(wxUSE_UNICODE)
wx_string_append(wxBUILD_FILE_ID "unicode")
else()
wx_string_append(wxBUILD_FILE_ID "ansi")
endif()
if(NOT wxBUILD_SHARED)
wx_string_append(wxBUILD_FILE_ID "-static")
endif()
wx_string_append(wxBUILD_FILE_ID "-${wxMAJOR_VERSION}.${wxMINOR_VERSION}")
set(wxARCH_SUFFIX)
# TODO: include compiler version in wxCOMPILER_PREFIX ?
if(WIN32)
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
set(wxCOMPILER_PREFIX "vc")
elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
set(wxCOMPILER_PREFIX "gcc")
elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(wxCOMPILER_PREFIX "clang")
else()
message(FATAL_ERROR "Unknown WIN32 compiler type")
endif()
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(wxARCH_SUFFIX "_x64")
endif()
else()
set(wxCOMPILER_PREFIX)
endif()
if(MSVC OR MINGW)
if(wxBUILD_SHARED)
set(lib_suffix "dll")
else()
set(lib_suffix "lib")
endif()
if(MSVC)
# Include generator expression to suppress default Debug/Release pair
set(wxPLATFORM_LIB_DIR "$<1:/>${wxCOMPILER_PREFIX}${wxARCH_SUFFIX}_${lib_suffix}")
else()
set(wxPLATFORM_LIB_DIR "/${wxCOMPILER_PREFIX}${wxARCH_SUFFIX}_${lib_suffix}")
endif()
else()
set(wxPLATFORM_LIB_DIR)
endif()
if(wxBUILD_CUSTOM_SETUP_HEADER_PATH)
if(NOT EXISTS "${wxBUILD_CUSTOM_SETUP_HEADER_PATH}/wx/setup.h")
message(FATAL_ERROR "wxBUILD_CUSTOM_SETUP_HEADER_PATH needs to contain a wx/setup.h file")
endif()
set(wxSETUP_HEADER_PATH ${wxBUILD_CUSTOM_SETUP_HEADER_PATH})
else()
# Set path where setup.h will be created
if(MSVC OR MINGW)
if(wxUSE_UNICODE)
set(lib_unicode u)
else()
set(lib_unicode)
endif()
set(wxSETUP_HEADER_PATH
${wxOUTPUT_DIR}/${wxCOMPILER_PREFIX}${wxARCH_SUFFIX}_${lib_suffix}/${wxBUILD_TOOLKIT}${lib_unicode})
file(MAKE_DIRECTORY ${wxSETUP_HEADER_PATH}/wx)
file(MAKE_DIRECTORY ${wxSETUP_HEADER_PATH}d/wx)
set(wxSETUP_HEADER_FILE_DEBUG ${wxSETUP_HEADER_PATH}d/wx/setup.h)
else()
set(wxSETUP_HEADER_PATH
${wxOUTPUT_DIR}/wx/include/${wxBUILD_FILE_ID})
file(MAKE_DIRECTORY ${wxSETUP_HEADER_PATH}/wx)
endif()
endif()
set(wxSETUP_HEADER_FILE ${wxSETUP_HEADER_PATH}/wx/setup.h)
if(DEFINED wxSETUP_HEADER_FILE_DEBUG)
# Append configuration specific suffix to setup header path
wx_string_append(wxSETUP_HEADER_PATH "$<$<CONFIG:Debug>:d>")
endif()
if(NOT wxBUILD_DEBUG_LEVEL STREQUAL "Default")
add_compile_options("-DwxDEBUG_LEVEL=${wxBUILD_DEBUG_LEVEL}")
endif()
# Constants for setup.h creation
set(wxUSE_STD_DEFAULT ON)
if(wxUSE_UNICODE)
set(wxUSE_WCHAR_T ON)
endif()
if(NOT wxUSE_EXPAT)
set(wxUSE_XRC OFF)
endif()
set(wxUSE_XML ${wxUSE_XRC})
if(DEFINED wxUSE_OLE AND wxUSE_OLE)
set(wxUSE_OLE_AUTOMATION ON)
endif()
if(wxUSE_OPENGL)
set(wxUSE_GLCANVAS ON)
endif()
if(wxUSE_ARCHIVE_STREAMS AND NOT wxUSE_STREAMS)
message(WARNING "wxArchive requires wxStreams... disabled")
wx_option_force_value(wxUSE_ARCHIVE_STREAMS OFF)
endif()
if(wxUSE_ZIPSTREAM AND (NOT wxUSE_ARCHIVE_STREAMS OR NOT wxUSE_ZLIB))
message(WARNING "wxZip requires wxArchive or wxZlib... disabled")
wx_option_force_value(wxUSE_ZIPSTREAM OFF)
endif()
if(wxUSE_TARSTREAM AND NOT wxUSE_ARCHIVE_STREAMS)
message(WARNING "wxTar requires wxArchive... disabled")
wx_option_force_value(wxUSE_TARSTREAM OFF)
endif()
if(wxUSE_FILESYSTEM AND (NOT wxUSE_STREAMS OR (NOT wxUSE_FILE AND NOT wxUSE_FFILE)))
message(WARNING "wxFileSystem requires wxStreams and wxFile or wxFFile... disabled")
wx_option_force_value(wxUSE_FILESYSTEM OFF)
endif()
if(wxUSE_FS_ARCHIVE AND (NOT wxUSE_FILESYSTEM OR NOT wxUSE_ARCHIVE_STREAMS))
message(WARNING "wxArchiveFSHandler requires wxArchive and wxFileSystem... disabled")
wx_option_force_value(wxUSE_FS_ARCHIVE OFF)
endif()
if(wxUSE_FS_ARCHIVE AND (NOT wxUSE_FILESYSTEM OR NOT wxUSE_ARCHIVE_STREAMS))
message(WARNING "wxArchiveFSHandler requires wxArchive and wxFileSystem... disabled")
wx_option_force_value(wxUSE_FS_ARCHIVE OFF)
endif()
if(wxUSE_FS_ZIP AND NOT wxUSE_FS_ARCHIVE)
message(WARNING "wxZipFSHandler requires wxArchiveFSHandler... disabled")
wx_option_force_value(wxUSE_FS_ZIP OFF)
endif()
if(wxUSE_TEXTFILE AND (NOT wxUSE_FILE OR NOT wxUSE_TEXTBUFFER))
message(WARNING "wxTextFile requires wxFile and wxTextBuffer... disabled")
wx_option_force_value(wxUSE_TEXTFILE OFF)
endif()
if(wxUSE_CONFIG)
if(NOT wxUSE_TEXTFILE)
message(WARNING "wxConfig requires wxTextFile... disabled")
wx_option_force_value(wxUSE_CONFIG OFF)
else()
set(wxUSE_CONFIG_NATIVE ON)
endif()
endif()
if(wxUSE_INTL AND NOT wxUSE_FILE)
message(WARNING "I18n code requires wxFile... disabled")
wx_option_force_value(wxUSE_INTL OFF)
endif()
if(wxUSE_THREADS)
find_package(Threads REQUIRED)
endif()
if(wxUSE_LIBLZMA)
find_package(LibLZMA)
if(NOT LIBLZMA_FOUND)
message(WARNING "libLZMA not found, LZMA compression won't be available")
wx_option_force_value(wxUSE_LIBLZMA OFF)
endif()
endif()
if(UNIX)
if(wxUSE_SECRETSTORE AND NOT APPLE)
# The required APIs are always available under MSW and OS X but we must
# have GNOME libsecret under Unix to be able to compile this class.
find_package(Libsecret)
if(NOT LIBSECRET_FOUND)
message(WARNING "libsecret not found, wxSecretStore won't be available")
wx_option_force_value(wxUSE_SECRETSTORE OFF)
endif()
endif()
if(wxUSE_LIBICONV)
find_package(Iconv)
if(NOT ICONV_FOUND)
message(WARNING "iconv not found")
wx_option_force_value(wxUSE_LIBICONV OFF)
endif()
endif()
endif(UNIX)
if(wxUSE_GUI)
if(WXMSW AND wxUSE_METAFILE)
# this one should probably be made separately configurable
set(wxUSE_ENH_METAFILE ON)
endif()
# Direct2D check
if(WIN32 AND wxUSE_GRAPHICS_DIRECT2D)
check_include_file(d2d1.h HAVE_D2D1_H)
if (NOT HAVE_D2D1_H)
wx_option_force_value(wxUSE_GRAPHICS_DIRECT2D OFF)
endif()
endif()
if(MSVC) # match setup.h
if(MSVC_VERSION LESS 1600)
wx_option_force_value(wxUSE_GRAPHICS_DIRECT2D OFF)
else()
wx_option_force_value(wxUSE_GRAPHICS_DIRECT2D ${wxUSE_GRAPHICS_CONTEXT})
endif()
endif()
# WXQT checks
if(WXQT)
wx_option_force_value(wxUSE_WEBVIEW OFF)
wx_option_force_value(wxUSE_METAFILE OFF)
if(WIN32)
wx_option_force_value(wxUSE_ACCESSIBILITY OFF)
wx_option_force_value(wxUSE_OWNER_DRAWN OFF)
endif()
endif()
# WXGTK checks, match include/wx/gtk/chkconf.h
if(WXGTK)
wx_option_force_value(wxUSE_METAFILE OFF)
if(WIN32)
wx_option_force_value(wxUSE_CAIRO ON)
wx_option_force_value(wxUSE_ACCESSIBILITY OFF)
wx_option_force_value(wxUSE_OWNER_DRAWN OFF)
endif()
if(NOT UNIX)
wx_option_force_value(wxUSE_WEBVIEW OFF)
wx_option_force_value(wxUSE_MEDIACTRL OFF)
wx_option_force_value(wxUSE_UIACTIONSIMULATOR OFF)
wx_option_force_value(wxUSE_OPENGL OFF)
set(wxUSE_GLCANVAS OFF)
endif()
endif()
# extra dependencies
if(wxUSE_OPENGL)
find_package(OpenGL)
if(NOT OPENGL_FOUND)
message(WARNING "opengl not found, wxGLCanvas won't be available")
wx_option_force_value(wxUSE_OPENGL OFF)
endif()
endif()
if(wxUSE_WEBVIEW)
if(WXGTK)
if(wxUSE_WEBVIEW_WEBKIT)
find_package(LibSoup)
if(WXGTK2)
find_package(Webkit 1.0)
elseif(WXGTK3)
find_package(Webkit2)
if(NOT WEBKIT2_FOUND)
find_package(Webkit 3.0)
endif()
endif()
endif()
set(wxUSE_WEBVIEW_WEBKIT OFF)
set(wxUSE_WEBVIEW_WEBKIT2 OFF)
if(WEBKIT_FOUND AND LIBSOUP_FOUND)
set(wxUSE_WEBVIEW_WEBKIT ON)
elseif(WEBKIT2_FOUND AND LIBSOUP_FOUND)
set(wxUSE_WEBVIEW_WEBKIT2 ON)
else()
message(WARNING "webkit not found or enabled, wxWebview won't be available")
wx_option_force_value(wxUSE_WEBVIEW OFF)
endif()
elseif(WXMSW)
if(NOT wxUSE_WEBVIEW_IE)
message(WARNING "WebviewIE not found or enabled, wxWebview won't be available")
wx_option_force_value(wxUSE_WEBVIEW OFF)
endif()
elseif(APPLE)
if(NOT wxUSE_WEBVIEW_WEBKIT)
message(WARNING "webkit not found or enabled, wxWebview won't be available")
wx_option_force_value(wxUSE_WEBVIEW OFF)
endif()
endif()
endif()
if(wxUSE_PRIVATE_FONTS AND WXGTK)
find_package(Fontconfig)
if(NOT FONTCONFIG_FOUND)
message(WARNING "Fontconfig not found, Private fonts won't be available")
wx_option_force_value(wxUSE_PRIVATE_FONTS OFF)
endif()
endif()
if(wxUSE_MEDIACTRL AND UNIX AND NOT APPLE AND NOT WIN32)
find_package(GStreamer 1.0 COMPONENTS video)
if(NOT GSTREAMER_FOUND)
find_package(GStreamer 0.10 COMPONENTS interfaces)
endif()
set(wxUSE_GSTREAMER ${GSTREAMER_FOUND})
set(wxUSE_GSTREAMER_PLAYER OFF)
if(GSTREAMER_PLAYER_INCLUDE_DIRS)
set(wxUSE_GSTREAMER_PLAYER ON)
endif()
if(NOT GSTREAMER_FOUND)
message(WARNING "GStreamer not found, wxMediaCtrl won't be available")
wx_option_force_value(wxUSE_MEDIACTRL OFF)
endif()
else()
set(wxUSE_GSTREAMER OFF)
set(wxUSE_GSTREAMER_PLAYER OFF)
endif()
if(wxUSE_SOUND AND wxUSE_LIBSDL AND UNIX AND NOT APPLE)
find_package(SDL2)
if(NOT SDL2_FOUND)
find_package(SDL)
endif()
if(NOT SDL2_FOUND AND NOT SDL_FOUND)
message(WARNING "SDL not found, SDL Audio back-end won't be available")
wx_option_force_value(wxUSE_LIBSDL OFF)
endif()
else()
set(wxUSE_LIBSDL OFF)
endif()
if(wxUSE_NOTIFICATION_MESSAGE AND UNIX AND WXGTK2 AND wxUSE_LIBNOTIFY)
find_package(LibNotify)
if(NOT LIBNOTIFY_FOUND)
message(WARNING "Libnotify not found, it won't be used for notifications")
wx_option_force_value(wxUSE_LIBNOTIFY OFF)
elseif((LIBNOTIFY_VERSION GREATER 0.7) OR (LIBNOTIFY_VERSION EQUAL 0.7))
set(wxUSE_LIBNOTIFY_0_7 ON)
endif()
else()
set(wxUSE_LIBNOTIFY OFF)
endif()
if(wxUSE_UIACTIONSIMULATOR AND UNIX AND WXGTK)
if(wxUSE_XTEST)
find_package(XTest)
if(XTEST_FOUND)
list(APPEND wxTOOLKIT_INCLUDE_DIRS ${XTEST_INCLUDE_DIRS})
list(APPEND wxTOOLKIT_LIBRARIES ${XTEST_LIBRARIES})
else()
if(WXGTK3)
# This class can't work without XTest with GTK+ 3
# which uses XInput2 and so ignores XSendEvent().
message(STATUS "XTest not found, wxUIActionSimulator won't be available")
wx_option_force_value(wxUSE_UIACTIONSIMULATOR OFF)
endif()
# The other ports can use XSendEvent(), so don't warn
wx_option_force_value(wxUSE_XTEST OFF)
endif()
else(WXGTK3)
# As per above, wxUIActionSimulator can't be used in this case,
# but there is no need to warn, presumably the user knows what
# he's doing if wxUSE_XTEST was explicitly disabled.
wx_option_force_value(wxUSE_UIACTIONSIMULATOR OFF)
endif()
endif()
if(wxUSE_HTML AND UNIX AND wxUSE_LIBMSPACK)
find_package(MSPACK)
if(NOT MSPACK_FOUND)
message(STATUS "libmspack not found")
wx_option_force_value(wxUSE_LIBMSPACK OFF)
endif()
else()
set(wxUSE_LIBMSPACK OFF)
endif()
if(WXGTK2 AND wxUSE_MIMETYPE AND wxUSE_LIBGNOMEVFS)
find_package(GnomeVFS2)
if(GNOMEVFS2_FOUND)
list(APPEND wxTOOLKIT_INCLUDE_DIRS ${GNOMEVFS2_INCLUDE_DIRS})
list(APPEND wxTOOLKIT_LIBRARIES ${GNOMEVFS2_LIBRARIES})
else()
message(STATUS "libgnomevfs not found, library won't be used to associate MIME type")
wx_option_force_value(wxUSE_LIBGNOMEVFS OFF)
endif()
else()
set(wxUSE_LIBGNOMEVFS OFF)
endif()
endif()
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