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cmake_minimum_required(VERSION 3.10)
project(testRebuild)
if(APPLE AND CMake_TEST_XCODE_VERSION)
# 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|FASTBuild")
if(CMake_TEST_XCODE_VERSION VERSION_GREATER_EQUAL 12)
set(CMAKE_OSX_ARCHITECTURES arm64 x86_64)
elseif(CMake_TEST_XCODE_VERSION VERSION_GREATER_EQUAL 10)
# Arch 'i386' no longer works in Xcode 10.
set(CMAKE_OSX_ARCHITECTURES x86_64)
elseif(CMake_TEST_XCODE_VERSION VERSION_GREATER_EQUAL 4)
# Arch 'ppc' no longer works in Xcode 4.
set(CMAKE_OSX_ARCHITECTURES i386 x86_64)
else()
set(CMAKE_OSX_ARCHITECTURES ppc i386)
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
${CMAKE_CURRENT_BINARY_DIR}/noregen.h
)
if(CMAKE_XCODE_BUILD_SYSTEM VERSION_GREATER_EQUAL 12)
target_compile_definitions(bar PRIVATE XCODE_NEW_BUILD_SYSTEM)
endif()
#-----------------------------------------------------------------------------
if("${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 ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx
zot_macro_dir.cxx zot_macro_tgt.cxx)
add_dependencies(zot zot_custom)
add_library(zot_pch zot_pch.cxx)
target_link_libraries(zot zot_pch)
if(NOT CMAKE_OSX_ARCHITECTURES MATCHES "[;$]")
target_precompile_headers(zot_pch PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/zot_pch.hxx)
endif()
if (CMAKE_CXX_DEPENDS_USE_COMPILER AND
CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.4")
# Mixing pre-compile headers and flags to generate dependencies (-M options family)
# causes the compiler to crash
set_property(TARGET zot_pch PROPERTY DISABLE_PRECOMPILE_HEADERS ON)
endif()
# Test the #include line macro transformation rule support.
set_property(
TARGET zot
PROPERTY IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "ZOT_TGT(%)=<zot_%_tgt.hxx>"
)
set_property(
DIRECTORY
PROPERTY IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "ZOT_DIR(%)=<zot_%_dir.hxx>"
)
if(TEST_LINK_DEPENDS)
add_executable(linkdep linkdep.cxx)
set_property(TARGET linkdep PROPERTY LINK_DEPENDS $<1:${TEST_LINK_DEPENDS}>)
add_library(foo_interface INTERFACE)
set_property(TARGET foo_interface PROPERTY INTERFACE_LINK_DEPENDS $<1:${TEST_LINK_DEPENDS}>)
add_executable(linkdep2 linkdep.cxx)
target_link_libraries(linkdep2 PRIVATE foo_interface)
add_executable(linkdep3 linkdep.cxx)
set_property(TARGET linkdep3 PROPERTY LINK_DEPENDS $<$<LINK_LANGUAGE:CXX>:${TEST_LINK_DEPENDS}>)
add_library(foo_interface2 INTERFACE)
set_property(TARGET foo_interface2 PROPERTY INTERFACE_LINK_DEPENDS $<$<LINK_LANGUAGE:CXX>:${TEST_LINK_DEPENDS}>)
add_executable(linkdep4 linkdep.cxx)
target_link_libraries(linkdep4 PRIVATE foo_interface2)
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 ${CMAKE_COMMAND}
-Dlib=$<TARGET_FILE:link_depends_no_shared_lib>
-Dexe=$<TARGET_FILE:link_depends_no_shared_exe>
-Dout=${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 ""
)
add_custom_command(
OUTPUT multi1-out1.txt multi1-out2.txt
COMMAND ${CMAKE_COMMAND} -E copy multi1-in.txt multi1-out1.txt
COMMAND ${CMAKE_COMMAND} -E copy multi1-in.txt multi1-out2.txt
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/multi1-in.txt
)
add_custom_command(
OUTPUT multi1-out2-copy.txt
COMMAND ${CMAKE_COMMAND} -E copy multi1-out2.txt multi1-out2-copy.txt
DEPENDS multi1-out2.txt
)
add_custom_target(multi1 ALL DEPENDS multi1-out2-copy.txt)
# Test having the first output never created.
add_custom_command(
OUTPUT multi2-dummy.txt multi2-real.txt
COMMAND ${CMAKE_COMMAND} -E touch multi2-real.txt
)
set_property(SOURCE multi2-real.txt multi2-dummy.txt PROPERTY SYMBOLIC 1)
add_custom_target(multi2 ALL DEPENDS multi2-real.txt)
if(TEST_MULTI3)
# Test having the second output never created. Does not work with msbuild.
add_custom_command(
OUTPUT multi3-real.txt multi3-dummy.txt
COMMAND ${CMAKE_COMMAND} -E touch multi3-real.txt
)
set_property(SOURCE multi3-real.txt multi3-dummy.txt PROPERTY SYMBOLIC 1)
add_custom_target(multi3 ALL DEPENDS multi3-real.txt)
endif()
add_executable(object_depends object_depends.cxx)
set_property(SOURCE object_depends.cxx PROPERTY OBJECT_DEPENDS
${CMAKE_CURRENT_BINARY_DIR}/object_depends.txt)
add_custom_target(object_depends_check ALL
COMMAND ${CMAKE_COMMAND}
-Dexe=$<TARGET_FILE:object_depends>
-Dout=${CMAKE_CURRENT_BINARY_DIR}/object_depends_check.txt
-Dtxt=${CMAKE_CURRENT_BINARY_DIR}/object_depends.txt
-P ${CMAKE_CURRENT_SOURCE_DIR}/object_depends_check.cmake
)
add_dependencies(object_depends_check object_depends)
|
