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918e8b10a7
This patch cleans up the interface to the dependency generation a little. We now only check the option in one place, and the cpp_get_deps function returns nullptr if there are no dependencies. I also reworded the -MT and -MQ help text to be make agnostic -- as there are ideas about emitting, say, JSON. libcpp/ * include/mkdeps.h: Include cpplib.h (deps_write): Adjust first parm type. * mkdeps.c: Include internal.h (make_write): Adjust first parm type. Check phony option directly. (deps_write): Adjust first parm type. * init.c (cpp_read_main_file): Use get_deps. * directives.c (cpp_get_deps): Check option before initializing. gcc/c-family/ * c.opt (MQ,MT): Reword description to be make-agnostic. gcc/fortran/ * cpp.c (gfc_cpp_add_dep): Only add dependency if we're recording them. (gfc_cpp_init): Likewise for target.
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