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Kitware
GitHub Repository: Kitware/CMake
 Path: blob/master/Tests/AliasTarget/CMakeLists.txt
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cmake_minimum_required(VERSION 3.10)

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project(AliasTarget)

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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_property(_aliased_target_set TARGET foo PROPERTY ALIASED_TARGET SET)

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if(_aliased_target_set)

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  message(SEND_ERROR "ALIASED_TARGET is set for target foo")

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endif()

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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 (_notAlias2)

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  message(SEND_ERROR "_notAlias2 evaluates to true, but foo is not an ALIAS")

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endif()

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