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cmake_minimum_required(VERSION 2.8)
project(Architecture C)
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(${result_var} 1 PARENT_SCOPE)
endif()
endif()
endif()
endfunction()
test_for_xcode4(is_xcode4)
set(arch0 i386)
set(arch1 ppc)
if(is_xcode4)
# Xcode 4, use modern architectures as defaults
# Arch 'ppc' no longer works: tools no longer available starting with Xcode 4
set(arch0 i386)
set(arch1 x86_64)
endif()
add_library(foo foo.c)
if(CMAKE_OSX_ARCHITECTURES)
get_property(archs TARGET foo PROPERTY OSX_ARCHITECTURES)
if(NOT "${CMAKE_OSX_ARCHITECTURES}" STREQUAL "${archs}")
message(FATAL_ERROR
"OSX_ARCHITECTURES property not initialized by CMAKE_OSX_ARCHITECTURES.\n"
"Expected [${CMAKE_OSX_ARCHITECTURES}], got [${archs}]."
)
endif()
list(LENGTH archs archs_len)
if(archs_len GREATER 1)
list(GET archs 0 arch0)
list(GET archs 1 arch1)
endif()
endif()
message("is_xcode4='${is_xcode4}'")
message("archs='${archs}'")
message("arch0='${arch0}'")
message("arch1='${arch1}'")
set_property(TARGET foo PROPERTY OSX_ARCHITECTURES ${arch0})
set_property(TARGET foo PROPERTY OSX_ARCHITECTURES_DEBUG ${arch1})
add_executable(bar bar.c)
target_link_libraries(bar foo)
set_property(TARGET bar PROPERTY OUTPUT_NAME Architecture)
set_property(TARGET bar PROPERTY OSX_ARCHITECTURES ${arch1})
set_property(TARGET bar PROPERTY OSX_ARCHITECTURES_DEBUG ${arch0})