how about this ? : builddate.c: geoidx.c echo $date > buildate.c
On 11/4/05, David Byron <[EMAIL PROTECTED]> wrote: > This feels like a faq, but I couldn't find anything related so here > goes. > > I'd like to compile in the build time into my application. I have a > recipe like this: > > BUILDTIME = $(shell TZ=UTC date --utc) > builddate.c: > echo "#include <builddate.h>" >$@ > echo >>$@ > echo "const char *BuildDate = \"$(BUILDTIME)\";" >>$@ > > What I'm having trouble with is getting the builddate.c recipe to happen > at the right time. I don't want to make it .PHONY since I don't want to > re-generate, re-compile, and re-link unless something else has actually > changed. > > In Makefile.am I have the above, preceded by: > > bin_PROGRAMS = geoidx > geoidx_SOURCES = geoidx.c > nodist_geoidx_SOURCES = builddate.c > > This happily gets me builddate.c generated and compiled once, but never > updated. > > If I was writing my own makefile, I'd have a recipe like this: > > geoidx: $(OBJS) > <generate builddate.c -- the three echo lines from above> > <compile buliddate.c> > <link geoidx with $(OBJS) and builddate.o> > > But I'm not sure how to get automake to generate a Makefile like this. > Can someone point me in the right direction, or suggest another approach > to get this done? > > Thanks much. > > -DB > > > -- all born, to be dying