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Darwin: honour CMAKE_OSX_SYSROOT more faithfully

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The libraries in the SDK should be given precedence over the system
libraries.  Check for the default library search path (in default order)
of `/usr/lib` and `/usr/local/lib` and use these as system prefix paths
for libraries when performing the link step against a specified SDK.
This commit is contained in:
Saleem Abdulrasool
2020-05-22 09:32:15 -07:00
parent 67dd687657
commit 444dbd40de
1 changed files with 21 additions and 5 deletions
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26
Modules/Platform/Darwin.cmake
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@@ -42,6 +42,7 @@ endif()
set(CMAKE_SHARED_LIBRARY_PREFIX "lib")
set(CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
set(CMAKE_EXTRA_SHARED_LIBRARY_SUFFIXES ".tbd" ".so")
set(CMAKE_SHARED_MODULE_PREFIX "lib")
set(CMAKE_SHARED_MODULE_SUFFIX ".so")
set(CMAKE_MODULE_EXISTS 1)
@@ -156,6 +157,13 @@ if(_CMAKE_OSX_SYSROOT_PATH)
break()
endif()
endforeach()
if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/lib)
list(INSERT CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/lib)
endif()
if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/lib)
list(INSERT CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/lib)
endif()
endif()
if (OSX_DEVELOPER_ROOT AND EXISTS "${OSX_DEVELOPER_ROOT}/Library/Frameworks")
list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH
@@ -208,11 +216,19 @@ set(CMAKE_SYSTEM_APPBUNDLE_PATH
unset(_apps_paths)
include(Platform/UnixPaths)
if(_CMAKE_OSX_SYSROOT_PATH AND EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/include)
list(APPEND CMAKE_SYSTEM_PREFIX_PATH ${_CMAKE_OSX_SYSROOT_PATH}/usr)
foreach(lang C CXX OBJC OBJCXX Swift)
list(APPEND _CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES_INIT ${_CMAKE_OSX_SYSROOT_PATH}/usr/include)
endforeach()
if(_CMAKE_OSX_SYSROOT_PATH)
if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/include)
list(INSERT CMAKE_SYSTEM_PREFIX_PATH 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr)
foreach(lang C CXX OBJC OBJCXX Swift)
list(APPEND _CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES_INIT ${_CMAKE_OSX_SYSROOT_PATH}/usr/include)
endforeach()
endif()
if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/include)
list(INSERT CMAKE_SYSTEM_PREFIX_PATH 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/local)
foreach(lang C CXX OBJC OBJCXX Swift)
list(APPEND _CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES_INIT ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/include)
endforeach()
endif()
endif()
list(APPEND CMAKE_SYSTEM_PREFIX_PATH
/sw # Fink