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62 lines
2.2 KiB
62 lines
2.2 KiB
16 years ago
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project(testRebuild)
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add_library(foo STATIC ${testRebuild_BINARY_DIR}/foo.cxx)
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# Add a generated header that regenerates when the generator is
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# rebuilt.
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/regen.h
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COMMAND generator ${CMAKE_CURRENT_BINARY_DIR}/regen.h regen
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DEPENDS generator # adds file-level dependency to re-run rule
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)
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# Add a generated header that does NOT regenerate when the generator
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# is rebuilt.
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/noregen.h
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COMMAND generator ${CMAKE_CURRENT_BINARY_DIR}/noregen.h noregen
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)
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# Test that the generator rebuilds when the static library source file
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# changes. This should cause regen.h to be recreated also.
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add_executable(generator generator.cxx)
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target_link_libraries(generator foo)
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# Build an executable to drive the build and rebuild.
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include_directories(${CMAKE_CURRENT_BINARY_DIR})
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add_executable(bar bar.cxx
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${CMAKE_CURRENT_BINARY_DIR}/regen.h
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${CMAKE_CURRENT_BINARY_DIR}/noregen.h
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)
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#-----------------------------------------------------------------------------
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IF("${CMAKE_GENERATOR}" MATCHES "Make")
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# Test the IMPLICIT_DEPENDS feature.
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SET(ZOT_DEPENDS IMPLICIT_DEPENDS CXX ${CMAKE_CURRENT_SOURCE_DIR}/dep.cxx)
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SET(ZOT_CUSTOM_DEP
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IMPLICIT_DEPENDS CXX ${CMAKE_CURRENT_SOURCE_DIR}/dep_custom.cxx)
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ELSE("${CMAKE_GENERATOR}" MATCHES "Make")
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# No IMPLICIT_DEPENDS...just depend directly.
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SET(ZOT_DEPENDS DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx.in)
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SET(ZOT_CUSTOM_DEP DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx.in)
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ENDIF("${CMAKE_GENERATOR}" MATCHES "Make")
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx
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COMMAND ${CMAKE_COMMAND} -E copy
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${CMAKE_CURRENT_BINARY_DIR}/zot.hxx.in
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${CMAKE_CURRENT_BINARY_DIR}/zot.hxx
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${ZOT_DEPENDS}
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)
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx
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COMMAND ${CMAKE_COMMAND} -E copy
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${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx.in
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${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx
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${ZOT_CUSTOM_DEP}
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)
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add_custom_target(zot_custom ALL DEPENDS
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${CMAKE_CURRENT_BINARY_DIR}/zot_custom.hxx)
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add_executable(zot zot.cxx ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx)
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add_dependencies(zot zot_custom)
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