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cmake_minimum_required(VERSION 2.8.11)
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project(AliasTarget)
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set(CMAKE_CXX_STANDARD 98)
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# Those versions of the HP compiler that need a flag to get proper C++98
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# template support also need a flag to use the newer C++ library.
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if (CMAKE_CXX_COMPILER_ID STREQUAL HP AND
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CMAKE_CXX98_STANDARD_COMPILE_OPTION STREQUAL "+hpxstd98")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -AA")
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endif ()
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add_library(foo SHARED empty.cpp)
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add_library(PREFIX::Foo ALIAS foo)
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add_library(Another::Alias ALIAS foo)
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add_library(objects OBJECT object.cpp)
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add_library(Alias::Objects ALIAS objects)
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target_compile_definitions(foo PUBLIC FOO_DEFINE)
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add_library(bar SHARED empty.cpp)
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target_compile_definitions(bar PUBLIC BAR_DEFINE)
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target_link_libraries(foo LINK_PUBLIC $<$<STREQUAL:$<TARGET_PROPERTY:PREFIX::Foo,ALIASED_TARGET>,foo>:bar>)
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add_executable(AliasTarget commandgenerator.cpp $<TARGET_OBJECTS:Alias::Objects>)
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add_executable(PREFIX::AliasTarget ALIAS AliasTarget)
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add_executable(Generator::Command ALIAS AliasTarget)
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add_custom_command(OUTPUT commandoutput.h COMMAND Generator::Command)
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add_library(bat SHARED bat.cpp "${CMAKE_CURRENT_BINARY_DIR}/commandoutput.h")
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target_link_libraries(bat PREFIX::Foo)
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target_include_directories(bat PRIVATE "${CMAKE_CURRENT_BINARY_DIR}")
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add_executable(targetgenerator targetgenerator.cpp)
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add_executable(Generator::Target ALIAS targetgenerator)
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add_subdirectory(subdir)
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add_custom_target(usealias Generator::Target $<TARGET_FILE:Sub::tgt>)
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add_dependencies(bat usealias)
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if (NOT TARGET Another::Alias)
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message(SEND_ERROR "Another::Alias is not considered a target.")
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endif()
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get_target_property(_alt PREFIX::Foo ALIASED_TARGET)
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if (NOT ${_alt} STREQUAL foo)
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message(SEND_ERROR "ALIASED_TARGET is not foo: ${_alt}")
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endif()
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get_property(_alt2 TARGET PREFIX::Foo PROPERTY ALIASED_TARGET)
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if (NOT ${_alt2} STREQUAL foo)
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message(SEND_ERROR "ALIASED_TARGET is not foo.")
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endif()
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add_library(iface INTERFACE)
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add_library(Alias::Iface ALIAS iface)
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get_target_property(_notAlias1 foo ALIASED_TARGET)
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if (NOT DEFINED _notAlias1)
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message(SEND_ERROR "_notAlias1 is not defined")
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endif()
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if (_notAlias1)
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message(SEND_ERROR "_notAlias1 is defined, but foo is not an ALIAS")
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endif()
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if (NOT _notAlias1 STREQUAL _notAlias1-NOTFOUND)
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message(SEND_ERROR "_notAlias1 not defined to a -NOTFOUND variant")
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endif()
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get_property(_notAlias2 TARGET foo PROPERTY ALIASED_TARGET)
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if (NOT DEFINED _notAlias2)
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message(SEND_ERROR "_notAlias2 is not defined")
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endif()
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if (_notAlias2)
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message(SEND_ERROR "_notAlias2 is defined, but foo is not an ALIAS")
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endif()
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if (NOT _notAlias2 STREQUAL _notAlias2-NOTFOUND)
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message(SEND_ERROR "_notAlias2 not defined to a -NOTFOUND variant")
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endif()
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