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mosmeh/Makefile

Created April 3, 2020 09:44
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foo.c
#include <stdio.h>
#ifndef FOO_VERSION
#define FOO_VERSION "unknown"
#endif
int main(void) {
printf("version " FOO_VERSION
#ifdef FOO_COMMIT
" (commit " FOO_COMMIT ")"
#endif
"\n");
return 0;
}
Raw
Makefile
OBJS := foo
VERSION := $(shell cat VERSION 2> /dev/null)
COMMIT := $(shell git describe --always --tags --dirty 2> /dev/null)
CFLAGS := $(if $(VERSION),-DFOO_VERSION=\"$(VERSION)\") $(if $(COMMIT),-DFOO_COMMIT=\"$(COMMIT)\")
.PHONY: all clean
all: $(OBJS)
clean:
$(RM) $(OBJS)
foo: foo.c
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