I have a /boot subdirectory. It contains chicken-boot and csi-boot
targets, specified with ADD_EXECUTABLE. I want to copy a few extra
files and create an overall "boot" target. If I do this in the
CMakeLists.txt in the subdirectory it fails:
ADD_CUSTOM_TARGET(boot
DEPENDS
chicken-boot
csi-boot
${CMAKE_CURRENT_BINARY_DIR}/chicken.h
${CMAKE_CURRENT_BINARY_DIR}/chicken-ffi-macros.scm
${CMAKE_CURRENT_BINARY_DIR}/chicken-more-macros.scm
)
$ make boot
make[3]: *** No rule to make target `boot/chicken-boot.exe', needed by
`boot'. Stop.
make[2]: *** [boot/CMakeFiles/boot.dir/all] Error 2
make[1]: *** [boot/CMakeFiles/boot.dir/rule] Error 2
make: *** [boot] Error 2
If I qualify the pathnames it still fails:
ADD_CUSTOM_TARGET(boot
DEPENDS
${CMAKE_CURRENT_BINARY_DIR}/chicken-boot
${CMAKE_CURRENT_BINARY_DIR}/csi-boot
${CMAKE_CURRENT_BINARY_DIR}/chicken.h
${CMAKE_CURRENT_BINARY_DIR}/chicken-ffi-macros.scm
${CMAKE_CURRENT_BINARY_DIR}/chicken-more-macros.scm
)
$ make boot
make[3]: *** No rule to make target `boot/chicken-boot.exe', needed by
`boot'. Stop.
make[2]: *** [boot/CMakeFiles/boot.dir/all] Error 2
make[1]: *** [boot/CMakeFiles/boot.dir/rule] Error 2
make: *** [boot] Error 2
But if I use ADD_DEPENDENCIES for the toplevel targets, it works just fine:
ADD_CUSTOM_TARGET(boot
DEPENDS
${CMAKE_CURRENT_BINARY_DIR}/chicken.h
${CMAKE_CURRENT_BINARY_DIR}/chicken-ffi-macros.scm
${CMAKE_CURRENT_BINARY_DIR}/chicken-more-macros.scm
)
ADD_DEPENDENCIES(boot chicken-boot csi-boot)
$ make boot
Generating eval.c, eval.exports
In a toplevel target, I think it's reasonable to expect DEPENDS to
handle all dependencies, not just file-level dependencies.
Cheers,
Brandon Van Every
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