Hi, This situation is:
foo.h is generated from foo.x. And foo.h is included by bar.h. And then bar.h is included by a lot of c files. So actually every c files including bar.h depends on foo.h. But the file number is so big that I don't want to add dependency for each one.
How can I specify foo.x is generated before all the c files being compiled? It seems add_custom_target works but it will regenerate foo.h every time even the foo.x is not modified.
TIA, -- Tiger
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