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Darwin: Add support for tbd library stub files 

Starting with Xcode 7 the OSX and iOS SDKs contain only stub
files for dynamic system libraries. These stub files contain
some meta data and a list of exported sysbols in plain text.

They are handled by the toolchain like regular dylibs.
This commit is contained in:
Gregor Jasny 2015-08-15 21:01:31 +02:00
parent ddb7f280ce
commit 67f60958b6
5 changed files with 28 additions and 1 deletions
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2
Modules/Platform/Darwin.cmake
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@ -53,7 +53,7 @@ set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -Wl,-headerpad_max_install_
set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -Wl,-headerpad_max_install_names")
set(CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,")
set(CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,")
set(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a")
set(CMAKE_FIND_LIBRARY_SUFFIXES ".tbd" ".dylib" ".so" ".a")
# hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree
# (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache

6
Tests/RunCMake/XcodeProject/RunCMakeTest.cmake
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@ -39,3 +39,9 @@ if(NOT XCODE_VERSION VERSION_LESS 5)
unset(RunCMake_TEST_NO_CLEAN)
unset(RunCMake_TEST_OPTIONS)
endif()
if(NOT XCODE_VERSION VERSION_LESS 7)
set(RunCMake_TEST_OPTIONS "-DCMAKE_TOOLCHAIN_FILE=${RunCMake_SOURCE_DIR}/osx.cmake")
run_cmake(XcodeTbdStub)
unset(RunCMake_TEST_OPTIONS)
endif()

1
Tests/RunCMake/XcodeProject/XcodeTbdStub-stdout.txt Normal file
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@ -0,0 +1 @@
.*/libz\.tbd.*

2
Tests/RunCMake/XcodeProject/XcodeTbdStub.cmake Normal file
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@ -0,0 +1,2 @@
cmake_minimum_required(VERSION 3.3)
find_package(ZLIB REQUIRED)

18
Tests/RunCMake/XcodeProject/osx.cmake Normal file
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@ -0,0 +1,18 @@
set(CMAKE_SYSTEM_NAME Darwin)
set(CMAKE_SYSTEM_VERSION 1)
set(UNIX True)
set(APPLE True)
find_program(XCRUN_EXECUTABLE xcrun)
if(NOT XCRUN_EXECUTABLE)
message(FATAL_ERROR "xcrun not found")
endif()
execute_process(
COMMAND ${XCRUN_EXECUTABLE} --sdk macosx --show-sdk-path
OUTPUT_VARIABLE OSX_SDK_PATH
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(CMAKE_OSX_SYSROOT ${OSX_SDK_PATH} CACHE PATH "Sysroot used for OSX support")
set(CMAKE_FIND_ROOT_PATH ${OSX_SDK_PATH} CACHE PATH "Find search path root")