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