156 lines
5.3 KiB
CMake
156 lines
5.3 KiB
CMake
#
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# Wrapping
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#
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PROJECT (CustomCommand)
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ADD_SUBDIRECTORY(GeneratedHeader)
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#
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# Lib and exe path
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#
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SET (LIBRARY_OUTPUT_PATH
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${PROJECT_BINARY_DIR}/bin/ CACHE INTERNAL
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"Single output directory for building all libraries.")
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SET (EXECUTABLE_OUTPUT_PATH
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${PROJECT_BINARY_DIR}/bin/ CACHE INTERNAL
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"Single output directory for building all executables.")
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################################################################
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#
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# First test using a compiled generator to create a .c file
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#
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################################################################
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# add the executable that will generate the file
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ADD_EXECUTABLE(generator generator.cxx)
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GET_TARGET_PROPERTY(generator_PATH generator LOCATION)
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MESSAGE("Location ${generator_PATH}")
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# the folowing assumes that a cmSourceFile
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# is instantiated for the output, with GENERATED 1
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# at the end of the day this becomes a what in VS ?
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ADD_CUSTOM_COMMAND(OUTPUT ${PROJECT_BINARY_DIR}/generated.c
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DEPENDS generator
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COMMAND ${generator_PATH}
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ARGS ${PROJECT_BINARY_DIR}/generated.c
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)
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################################################################
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#
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# Test using a wrapper to wrap a header file
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#
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################################################################
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# add the executable that will generate the file
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ADD_EXECUTABLE(wrapper wrapper.cxx)
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# the following assumes that a cmSourceFile
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# is instantiated for the output, with GENERATED 1
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# at the end of the day this becomes a what in VS ?
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ADD_CUSTOM_COMMAND(
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OUTPUT ${PROJECT_BINARY_DIR}/wrapped.c
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DEPENDS wrapper
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MAIN_DEPENDENCY ${PROJECT_SOURCE_DIR}/wrapped.h
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COMMAND ${EXECUTABLE_OUTPUT_PATH}/${CMAKE_CFG_INTDIR}/wrapper
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ARGS ${PROJECT_BINARY_DIR}/wrapped.c ${PROJECT_SOURCE_DIR}/wrapped.h
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)
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################################################################
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#
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# Test creating files from a custom target
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#
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################################################################
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ADD_CUSTOM_COMMAND(OUTPUT ${PROJECT_BINARY_DIR}/doc1.dvi
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DEPENDS ${PROJECT_SOURCE_DIR}/doc1.tex
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COMMAND ${CMAKE_COMMAND}
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ARGS -E copy ${PROJECT_SOURCE_DIR}/doc1.tex
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${PROJECT_BINARY_DIR}/doc1.dvi
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)
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ADD_CUSTOM_COMMAND(OUTPUT ${PROJECT_BINARY_DIR}/doc1.h
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DEPENDS ${PROJECT_BINARY_DIR}/doc1.dvi
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COMMAND ${CMAKE_COMMAND} -E echo " Copying doc1.dvi to doc1temp.h."
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COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_BINARY_DIR}/doc1.dvi
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${PROJECT_BINARY_DIR}/doc1temp.h
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COMMAND ${CMAKE_COMMAND} -E echo " Copying doc1temp.h to doc1.h."
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COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_BINARY_DIR}/doc1temp.h
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${PROJECT_BINARY_DIR}/doc1.h
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COMMAND ${CMAKE_COMMAND} -E echo " Removing doc1temp.h."
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COMMAND ${CMAKE_COMMAND} -E remove -f ${PROJECT_BINARY_DIR}/doc1temp.h
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)
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# Add custom command to generate foo.h.
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ADD_CUSTOM_COMMAND(OUTPUT ${PROJECT_BINARY_DIR}/foo.h
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DEPENDS ${PROJECT_SOURCE_DIR}/foo.h.in
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COMMAND ${CMAKE_COMMAND} -E echo " Copying foo.h.in to foo.h."
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COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/foo.h.in
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${PROJECT_BINARY_DIR}/foo.h
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)
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# Add the location of foo.h to the include path.
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INCLUDE_DIRECTORIES(${PROJECT_BINARY_DIR})
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# Add a custom target to drive generation of doc1.h.
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ADD_CUSTOM_TARGET(TDocument ALL
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COMMAND ${CMAKE_COMMAND} -E echo " Copying doc1.h to doc2.h."
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COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_BINARY_DIR}/doc1.h
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${PROJECT_BINARY_DIR}/doc2.h
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DEPENDS ${PROJECT_BINARY_DIR}/doc1.h
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)
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# Setup a pre- and post-build pair that will fail if not run in the
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# proper order.
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ADD_CUSTOM_COMMAND(
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TARGET TDocument PRE_BUILD
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COMMAND ${CMAKE_COMMAND} -E echo " Writing doc1pre.txt."
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COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/doc1.tex ${PROJECT_BINARY_DIR}/doc1pre.txt
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)
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ADD_CUSTOM_COMMAND(
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TARGET TDocument POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E echo " Copying doc1pre.txt to doc2post.txt."
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COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_BINARY_DIR}/doc1pre.txt
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${PROJECT_BINARY_DIR}/doc2post.txt
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)
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################################################################
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#
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# Test using a multistep generated file
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#
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################################################################
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ADD_CUSTOM_COMMAND(OUTPUT ${PROJECT_BINARY_DIR}/foo.pre
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DEPENDS ${PROJECT_SOURCE_DIR}/foo.in
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COMMAND ${CMAKE_COMMAND}
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ARGS -E copy ${PROJECT_SOURCE_DIR}/foo.in
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${PROJECT_BINARY_DIR}/foo.pre
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)
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ADD_CUSTOM_COMMAND(OUTPUT ${PROJECT_BINARY_DIR}/foo.c
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DEPENDS ${PROJECT_BINARY_DIR}/foo.pre
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COMMAND ${CMAKE_COMMAND}
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ARGS -E copy ${PROJECT_BINARY_DIR}/foo.pre
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${PROJECT_BINARY_DIR}/foo.c
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)
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# These object dependencies can be removed to test the
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# auto-object-depends feature of the Makefile generator. Currently
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# the feature does not seem to work in Visual Studio generators so
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# these dependencies are needed.
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#SET_SOURCE_FILES_PROPERTIES(${PROJECT_BINARY_DIR}/foo.c
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#PROPERTIES
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# OBJECT_DEPENDS "${PROJECT_BINARY_DIR}/doc1.h;${PROJECT_BINARY_DIR}/foo.h"
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#)
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# add the library
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ADD_EXECUTABLE(CustomCommand
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${PROJECT_BINARY_DIR}/foo.c
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${PROJECT_BINARY_DIR}/wrapped.c
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${PROJECT_BINARY_DIR}/generated.c
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)
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TARGET_LINK_LIBRARIES(CustomCommand GeneratedHeader)
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# must add a dependency on TDocument otherwise it might never build and
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# the CustomCommand executable really needs doc1.h
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ADD_DEPENDENCIES(CustomCommand TDocument)
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