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CMake: Additional fixes/tweaks for C++11 on macOS

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The changes in 0a94c1890f where an
incomplete solution.
The apple compiler automatically choses libc++ if the deployment target
is >= 10.9. Lower deployment targets need explicit compiler options
to use libc++.
This commit is contained in:
Tobias Taschner 2018-02-08 10:59:39 +01:00
parent 0fe9d7c3bb
commit 7ce0a0a774
No known key found for this signature in database
GPG Key ID: AE6ECD71294F87FD
3 changed files with 20 additions and 15 deletions
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7
CMakeLists.txt
View File

@ -20,12 +20,7 @@ endif()
if(APPLE AND NOT CMAKE_OSX_DEPLOYMENT_TARGET)
# If no deployment target has been set default to the minimum supported
# OS X version (this has to be set before the first project() call)
if(CMAKE_CXX_STANDARD EQUAL 11 OR CMAKE_CXX_STANDARD EQUAL 14)
set(OSX_DEFAULT_DEPLOYMENT_TARGET 10.9)
else()
set(OSX_DEFAULT_DEPLOYMENT_TARGET 10.7)
endif()
set(CMAKE_OSX_DEPLOYMENT_TARGET ${OSX_DEFAULT_DEPLOYMENT_TARGET} CACHE STRING "OS X Deployment Target")
set(CMAKE_OSX_DEPLOYMENT_TARGET 10.7 CACHE STRING "OS X Deployment Target")
endif()
project(wxWidgets)

20
build/cmake/functions.cmake
View File

@ -73,15 +73,17 @@ function(wx_set_common_target_properties target_name)
if(DEFINED wxBUILD_CXX_STANDARD AND NOT wxBUILD_CXX_STANDARD STREQUAL COMPILER_DEFAULT)
# TODO: implement for older CMake versions ?
set_target_properties(${target_name} PROPERTIES CXX_STANDARD ${wxBUILD_CXX_STANDARD})
if(wxBUILD_CXX_STANDARD EQUAL 11 OR wxBUILD_CXX_STANDARD EQUAL 14)
if (APPLE)
if(CMAKE_GENERATOR EQUAL "Xcode")
set_target_properties(${target_name} PROPERTIES XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY libc++)
else()
target_compile_options(${target_name} PUBLIC "-stdlib=libc++")
endif()
if(
APPLE AND
CMAKE_OSX_DEPLOYMENT_TARGET VERSION_LESS 10.9 AND
(wxBUILD_CXX_STANDARD EQUAL 11 OR wxBUILD_CXX_STANDARD EQUAL 14)
)
if(CMAKE_GENERATOR STREQUAL "Xcode")
set_target_properties(${target_name} PROPERTIES XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY libc++)
else()
target_compile_options(${target_name} PUBLIC "-stdlib=libc++")
target_link_libraries(${target_name} PRIVATE "-stdlib=libc++")
endif()
#TODO: define for other generators than Xcode
endif()
endif()
set_target_properties(${target_name} PROPERTIES
@ -363,7 +365,7 @@ macro(wx_exe_link_libraries name)
if(wxBUILD_MONOLITHIC)
target_link_libraries(${name} PUBLIC mono)
else()
target_link_libraries(${name};${ARGN})
target_link_libraries(${name};PRIVATE;${ARGN})
endif()
endmacro()

8
build/cmake/setup.cmake
View File

@ -23,6 +23,14 @@ include(CheckTypeSize)
include(CMakePushCheckState)
include(TestBigEndian)
if(
APPLE AND
CMAKE_OSX_DEPLOYMENT_TARGET VERSION_LESS 10.9 AND
(CMAKE_CXX_STANDARD EQUAL 11 OR CMAKE_CXX_STANDARD EQUAL 14)
)
set(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS} "-stdlib=libc++")
endif()
# Add a definition to setup.h and append it to a list of defines for
# for compile checks
macro(wx_setup_definition def)