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15 lines
687 B
Makefile
15 lines
687 B
Makefile
# Utility function for recursively finding files, e.g.
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# ‘$(call rwildcard, path/to/dir, *.c *.h)’.
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rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subst *,%,$2),$d))
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# Given a file name, produce the corresponding dependency file
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# (e.g. ‘foo/bar.o’ becomes ‘foo/.bar.o.dep’).
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filename-to-dep = $(dir $1).$(notdir $1).dep
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# Return the full path to a program by looking it up in $PATH, or the
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# empty string if not found.
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find-program = $(shell for i in $$(IFS=: ; echo $$PATH); do p=$$i/$(strip $1); if [ -e $$p ]; then echo $$p; break; fi; done)
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# Ensure that the given string ends in a single slash.
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add-trailing-slash = $(patsubst %/,%,$(1))/
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