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cmake_minimum_required(VERSION 2.8)
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project(ObjectLibrary C)
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add_subdirectory(A)
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add_subdirectory(B)
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add_library(Cstatic STATIC c.c $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>)
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add_executable(UseCstatic main.c)
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target_link_libraries(UseCstatic Cstatic)
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add_library(Cshared SHARED c.c $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:Bexport>)
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add_executable(UseCshared main.c)
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set_property(TARGET UseCshared PROPERTY COMPILE_DEFINITIONS SHARED_C)
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target_link_libraries(UseCshared Cshared)
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add_executable(UseCinternal main.c c.c $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>)
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if("${CMAKE_GENERATOR}" MATCHES "^Visual Studio (6|7|7 .NET 2003)$")
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# VS 6 and 7 generators do not add objects as sources so we need a
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# dummy object to convince the IDE to build the targets below.
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set(dummy dummy.obj) # In MinGW: gcc -c dummy.c -o dummy.obj
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elseif("${CMAKE_GENERATOR}" MATCHES "Xcode")
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# Xcode does not seem to support targets without sources.
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set(dummy dummy.c)
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endif()
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# Test static library without its own sources.
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add_library(ABstatic STATIC ${dummy} $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>)
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target_include_directories(ABstatic PUBLIC $<TARGET_PROPERTY:B,INTERFACE_INCLUDE_DIRECTORIES>)
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target_compile_definitions(ABstatic PUBLIC $<TARGET_PROPERTY:B,INTERFACE_COMPILE_DEFINITIONS>)
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add_executable(UseABstatic mainAB.c)
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target_link_libraries(UseABstatic ABstatic)
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# Test module definition file to export object library symbols in the test
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# below if the platform needs and supports it.
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set(ABshared_SRCS $<TARGET_OBJECTS:A>)
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if(CMAKE_LINK_DEF_FILE_FLAG OR NOT WIN32)
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list(APPEND ABshared_SRCS $<TARGET_OBJECTS:B> AB.def)
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else()
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set(NO_A NO_A)
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list(APPEND ABshared_SRCS $<TARGET_OBJECTS:Bexport>)
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endif()
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# Test shared library without its own sources.
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add_library(ABshared SHARED ${dummy} ${ABshared_SRCS})
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target_include_directories(ABshared PUBLIC $<TARGET_PROPERTY:B,INTERFACE_INCLUDE_DIRECTORIES>)
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target_compile_definitions(ABshared PUBLIC $<TARGET_PROPERTY:B,INTERFACE_COMPILE_DEFINITIONS>)
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add_executable(UseABshared mainAB.c)
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set_property(TARGET UseABshared PROPERTY COMPILE_DEFINITIONS SHARED_B ${NO_A})
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target_link_libraries(UseABshared ABshared)
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# Test executable without its own sources.
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add_library(ABmain OBJECT mainAB.c)
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target_include_directories(ABmain PUBLIC $<TARGET_PROPERTY:B,INTERFACE_INCLUDE_DIRECTORIES>)
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target_compile_definitions(ABmain PUBLIC $<TARGET_PROPERTY:B,INTERFACE_COMPILE_DEFINITIONS>)
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add_executable(UseABinternal ${dummy}
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$<TARGET_OBJECTS:ABmain> $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>
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)
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