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142 lines
5.0 KiB
142 lines
5.0 KiB
cmake_minimum_required(VERSION 2.6)
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project(testRebuild)
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function(test_for_xcode4 result_var)
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set(${result_var} 0 PARENT_SCOPE)
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if(APPLE)
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execute_process(COMMAND xcodebuild -version
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OUTPUT_VARIABLE ov RESULT_VARIABLE rv
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)
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if("${rv}" STREQUAL "0" AND ov MATCHES "^Xcode ([0-9]+)\\.")
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if(NOT CMAKE_MATCH_1 VERSION_LESS 4)
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set(${result_var} 1 PARENT_SCOPE)
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endif()
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endif()
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endif()
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endfunction()
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if(APPLE)
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# only use multi-arch if the sysroot exists on this machine
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# Ninja needs -M which could not be used with multiple -arch flags
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if(EXISTS "${CMAKE_OSX_SYSROOT}" AND NOT "${CMAKE_GENERATOR}" MATCHES "Ninja")
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set(CMAKE_OSX_ARCHITECTURES "ppc;i386")
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test_for_xcode4(is_xcode4)
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if(is_xcode4)
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# Xcode 4, use modern architectures as defaults
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# Arch 'ppc' no longer works: tools no longer available starting with Xcode 4
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set(CMAKE_OSX_ARCHITECTURES i386 x86_64)
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endif()
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endif()
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endif()
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add_library(foo STATIC ${testRebuild_BINARY_DIR}/foo.cxx)
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set_target_properties(foo PROPERTIES OUTPUT_NAME "foolib")
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# Add a generated header that regenerates when the generator is
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# rebuilt.
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/regen.h
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COMMAND generator ${CMAKE_CURRENT_BINARY_DIR}/regen.h regen
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DEPENDS generator # adds file-level dependency to re-run rule
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)
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# Add a generated header that does NOT regenerate when the generator
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# is rebuilt.
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/noregen.h
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COMMAND generator ${CMAKE_CURRENT_BINARY_DIR}/noregen.h noregen
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)
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# Test that the generator rebuilds when the static library source file
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# changes. This should cause regen.h to be recreated also.
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add_executable(generator generator.cxx)
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target_link_libraries(generator foo)
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set_target_properties(generator PROPERTIES OUTPUT_NAME "gen")
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# Build an executable to drive the build and rebuild.
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include_directories(${CMAKE_CURRENT_BINARY_DIR})
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add_executable(bar bar.cxx
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${CMAKE_CURRENT_BINARY_DIR}/regen.h
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${CMAKE_CURRENT_BINARY_DIR}/noregen.h
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)
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#-----------------------------------------------------------------------------
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if("${CMAKE_GENERATOR}" MATCHES "Make")
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# Test the IMPLICIT_DEPENDS feature.
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set(ZOT_DEPENDS IMPLICIT_DEPENDS CXX ${CMAKE_CURRENT_SOURCE_DIR}/dep.cxx)
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set(ZOT_CUSTOM_DEP
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IMPLICIT_DEPENDS CXX ${CMAKE_CURRENT_SOURCE_DIR}/dep_custom.cxx
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CXX ${CMAKE_CURRENT_SOURCE_DIR}/dep_custom2.cxx )
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else()
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# No IMPLICIT_DEPENDS...just depend directly.
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set(ZOT_DEPENDS DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx.in)
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set(ZOT_CUSTOM_DEP DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx.in)
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endif()
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx
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COMMAND ${CMAKE_COMMAND} -E copy
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${CMAKE_CURRENT_BINARY_DIR}/zot.hxx.in
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${CMAKE_CURRENT_BINARY_DIR}/zot.hxx
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${ZOT_DEPENDS}
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)
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx
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COMMAND ${CMAKE_COMMAND} -E copy
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${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx.in
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${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx
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${ZOT_CUSTOM_DEP}
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)
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add_custom_target(zot_custom ALL DEPENDS
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${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx)
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add_executable(zot zot.cxx ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx
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zot_macro_dir.cxx zot_macro_tgt.cxx)
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add_dependencies(zot zot_custom)
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# Test the #include line macro transformation rule support.
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set_property(
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TARGET zot
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PROPERTY IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "ZOT_TGT(%)=<zot_%_tgt.hxx>"
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)
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set_property(
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DIRECTORY
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PROPERTY IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "ZOT_DIR(%)=<zot_%_dir.hxx>"
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)
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if(TEST_LINK_DEPENDS)
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add_executable(linkdep linkdep.cxx)
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set_property(TARGET linkdep PROPERTY LINK_DEPENDS ${TEST_LINK_DEPENDS})
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endif()
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add_library(link_depends_no_shared_lib SHARED link_depends_no_shared_lib.c
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${CMAKE_CURRENT_BINARY_DIR}/link_depends_no_shared_lib.h)
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add_executable(link_depends_no_shared_exe link_depends_no_shared_exe.c
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${CMAKE_CURRENT_BINARY_DIR}/link_depends_no_shared_exe.h)
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target_link_libraries(link_depends_no_shared_exe link_depends_no_shared_lib)
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set_property(TARGET link_depends_no_shared_exe PROPERTY LINK_DEPENDS_NO_SHARED 1)
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add_custom_target(link_depends_no_shared_check ALL
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COMMAND ${CMAKE_COMMAND}
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-Dlib=$<TARGET_FILE:link_depends_no_shared_lib>
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-Dexe=$<TARGET_FILE:link_depends_no_shared_exe>
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-Dout=${CMAKE_CURRENT_BINARY_DIR}/link_depends_no_shared_check.txt
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-P ${CMAKE_CURRENT_SOURCE_DIR}/link_depends_no_shared_check.cmake
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)
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add_dependencies(link_depends_no_shared_check link_depends_no_shared_exe)
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/dir/header.h
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DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/dir/header.txt
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COMMAND ${CMAKE_COMMAND} -E copy_if_different
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${CMAKE_CURRENT_BINARY_DIR}/dir/header.txt
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${CMAKE_CURRENT_BINARY_DIR}/dir/header.h
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)
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set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/dir/header.h
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PROPERTIES GENERATED 1)
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add_custom_target(header_tgt DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/dir/header.h)
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include_directories(${CMAKE_CURRENT_BINARY_DIR})
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add_executable(ninjadep ninjadep.cpp)
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add_dependencies(ninjadep header_tgt)
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