I have a version.c file in my project that contains current revision of the project and some other stuff that is passed as a definition (-D compiler option) from makefile.
I know that to force make to compile version.c always regardless of modification date I can touch version.c
.
Is there a makefile only way to achieve this? If I write .PHONY : version.o
the object file doesn't get build at all.
EDIT: Here is my makefile:
export CC = gcc
export MODULES = $(sort \
sys \
cim \
version \
)
export FILES = $(sort \
main.c \
cim.c \
version.c \
)
VPATH = $(MODULES)
OBJS = $(FILES:.c=.o)
INCLUDES = $(addprefix -I,$(MODULES))
all:$(OBJS)
$(CC) $(INCLUDES) $(OBJS) -o main.exe
clean:
rm -rf *.o *.exe
cim.o: cim.c
main.o: main.c cim.o
version.o: version.c
.PHONY: version.o
.c.o :
$(CC) $(CFLAGS) $(INCLUDES) -c $<