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OS X: Add platform-specific Clang compiler info files (#13536) 

Clang has the same interface as GNU except that we do not need to test
for the deployment target and sysroot flags.  Simply set variables

 CMAKE_${lang}_HAS_ISYSROOT
 CMAKE_${lang}_OSX_DEPLOYMENT_TARGET_FLAG

to true because every version of Clang available on OS X supports these
flags.
This commit is contained in:
Brad King 2012-09-17 15:34:50 -04:00
parent 70169ec1bf
commit 011d5a4b47
3 changed files with 30 additions and 0 deletions
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2
Modules/Platform/Darwin-Clang-C.cmake Normal file
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include(Platform/Darwin-Clang)
__darwin_compiler_clang(C)

2
Modules/Platform/Darwin-Clang-CXX.cmake Normal file
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include(Platform/Darwin-Clang)
__darwin_compiler_clang(CXX)

26
Modules/Platform/Darwin-Clang.cmake Normal file
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#=============================================================================
# Copyright 2002-2012 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# This module is shared by multiple languages; use include blocker.
if(__DARWIN_COMPILER_CLANG)
return()
endif()
set(__DARWIN_COMPILER_CLANG 1)
macro(__darwin_compiler_clang lang)
set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-dynamiclib -Wl,-headerpad_max_install_names")
set(CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS "-bundle -Wl,-headerpad_max_install_names")
set(CMAKE_${lang}_OSX_DEPLOYMENT_TARGET_FLAG "-mmacosx-version-min=")
set(CMAKE_${lang}_HAS_ISYSROOT 1)
endmacro()