I have spent a few hours trying to solve what seems like a simple problem.
I need to generate a file with some dependencies and install it.
If I want cmake to figure out how to compile and link it, I can
add_executable(mytarget mytarget.c)
install(TARGETS mytarget DESTINATION bin)
I also know that if I get cmake to configure a file, I can install it:
configure_file (
${CMAKE_CURRENT_SOURCE_DIR}/config.h.in
${CMAKE_CURRENT_BINARY_DIR}/config.h )
intall(FILES ${CMAKE_CURRENT_BINARY_DIR}/config.h
DESTINATION include )
But what if I have a tool of my own that will generate the file? I know
I can:
add_custom_command(
OUTPUT mygeneratedfile
COMMAND mytool -o mygeneratedfile
DEPENDS mysourcefile
)
and this works well *provided* that mygeneratedfile is in turn a source
file for another derivation, but I cannot follow that with:
install(FILES mygeneratedfile DESTINATION bin)
because mygeneratedfile is not a 'target', and I can't make it into a
target with add_custom_target() because that's talking about something
else entirely (commands that will be run unconditionally, not based on
dependencies)
Am I missing something?
In my specific case, mytool actually creates an executable via it's own
build system, but it could also be creating a script of some kind that
needs to be installed. Of course in that case, I could possibly trick
CMake by generating mygeneratedfile.in and using configure_file() with
no substitutions (pretty dubious), but I can't do that with a binary
file. Is this not possible?
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