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Add a function for looking up programs in $PATH

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Eelco Dolstra 2014-02-14 20:12:04 +01:00
parent a35c6eb4a2
commit 581a160c11
1 changed files with 4 additions and 0 deletions
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4
functions.mk
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@ -5,3 +5,7 @@ rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subst
# Given a file name, produce the corresponding dependency file
# (e.g. ‘foo/bar.o’ becomes ‘foo/.bar.o.dep’).
filename-to-dep = $(dir $1).$(notdir $1).dep
# Return the full path to a program by looking it up in $PATH, or the
# empty string if not found.
find-program = $(shell for i in $$(IFS=: ; echo $$PATH); do p=$$i/$(strip $1); if [ -e $$p ]; then echo $$p; break; fi; done)