110 lines
3.5 KiB
CMake
110 lines
3.5 KiB
CMake
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")
|
|
if(ov MATCHES "^Xcode 4.[0-9].*$")
|
|
set(${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)
|
|
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(%)=<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 ${TEST_LINK_DEPENDS})
|
|
endif()
|