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cmake_minimum_required(VERSION 2.8.12)
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project(LinkDirectory C)
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# Put the subproject source tree in our build tree so it can refer to
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# link directories relative to its source.
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if(NOT "${LinkDirectory_SOURCE_DIR}" STREQUAL "${LinkDirectory_BINARY_DIR}")
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file(COPY External/ DESTINATION External PATTERN CVS EXCLUDE)
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endif()
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# Build a library into the subproject source tree.
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add_library(mylibA STATIC mylibA.c)
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set_property(TARGET mylibA PROPERTY
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ARCHIVE_OUTPUT_DIRECTORY "${LinkDirectory_BINARY_DIR}/External/lib")
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# Build a library into our build tree relative to the subproject build tree.
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add_library(mylibB STATIC mylibB.c)
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set_property(TARGET mylibB PROPERTY
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ARCHIVE_OUTPUT_DIRECTORY "${LinkDirectory_BINARY_DIR}/lib")
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# Create a custom target to drive the subproject build.
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include(ExternalProject)
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ExternalProject_Add(ExternalTarget
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SOURCE_DIR "${LinkDirectory_BINARY_DIR}/External"
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BINARY_DIR "${LinkDirectory_BINARY_DIR}/External-build"
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CMAKE_ARGS "-DCMAKE_RUNTIME_OUTPUT_DIRECTORY=${LinkDirectory_BINARY_DIR}/bin"
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PREFIX "${LinkDirectory_BINARY_DIR}/External-build/root"
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DOWNLOAD_COMMAND ""
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INSTALL_COMMAND ""
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)
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# Add a step to wipe out the subproject executable after our libraries
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# change. This is needed because the subproject cannot depend on them
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# directly because it does not know the full paths to the libraries.
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# (The purpose of this test is to check that link_directories works.)
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ExternalProject_Add_Step(ExternalTarget cleanup
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COMMAND ${CMAKE_COMMAND} -E rm -rf ${LinkDirectory_BINARY_DIR}/bin
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DEPENDEES download
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DEPENDERS configure
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DEPENDS mylibA mylibB
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"${LinkDirectory_BINARY_DIR}/External/CMakeLists.txt"
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"${LinkDirectory_BINARY_DIR}/External/myexe.c"
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)
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# Make the subproject build after our targets.
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add_dependencies(ExternalTarget mylibA mylibB)
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