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> Date: Tue, 1 Jul 2014 16:57:59 -0400 > From: ty...@mit.edu > To: openssl-dev@openssl.org > Subject: Re: Makedepend bug? > > On Tue, Jul 01, 2014 at 02:10:31PM -0400, Mike Bland wrote: > > I was wondering why 'make depend' output was saved in the Makefiles. > > So I guess adding the .d files to the repository and using include > > statements in the Makefiles is a reasonable possibility? (That's the > > angle I'm taking with my experiment, though I hadn't thought to add > > the .d's to the repo.) > > The problem with using include statements in Makefiles is that's not > particularly portable. So what I do in e2fsprogs is to modify the > Makefile.in files directly (since I use autoconf, but NOT automake or > libtool): > > .depend: Makefile $(SRCS) $(top_srcdir)/depfix.sed $(top_srcdir)/wordwrap.pl > if test -n "$(SRCS)" ; then \ > $(CC) -M $(ALL_CFLAGS) $(DEPEND_CFLAGS) $(SRCS) | \ > $(SED) -f $(top_srcdir)/depfix.sed \ > -e 's; $(srcdir)/; $$(srcdir)/;g' \ > -e 's; $(top_srcdir)/; $$(top_srcdir)/;g' \ > -e 's; $(top_builddir)/; $$(top_builddir)/;g' \ > -e 's; \./; ;g' \ > -e '/^#/d' \ > -e '/^ *\\$$/d' | \ > $(PERL) $(top_srcdir)/wordwrap.pl > .depend; \ > else :; fi > > depend:: .depend > if test -n "$(SRCS)" ; then \ > sed -e '/^# +++ Dependency line eater +++/,$$d' \ > < $(srcdir)/Makefile.in | cat - .depend \ > > $(srcdir)/Makefile.in.new; \ > if cmp -s $(srcdir)/Makefile.in $(srcdir)/Makefile.in.new ; then \ > $(RM) $(srcdir)/Makefile.in.new ; \ > else \ > $(MV) $(srcdir)/Makefile.in $(srcdir)/Makefile.in.old; \ > $(MV) $(srcdir)/Makefile.in.new $(srcdir)/Makefile.in; \ > fi ; else :; fi > > ... and where depfix.sed is a sed script that strips out the system > header files, so that the resulting dependencies are portable across > different OS's. So this matches OpenSSL's requirements, I think. Gcc > is required to update the dependencies, but it's not required for > people who are building on systems that have old-style makes, > including ones that go as far back as Solaris 2.x, AIX, etc. (This is > a modified and updated version of something that I had originally > created for MIT Kerberos, which had a very wide portability > requirement, including creating NMAKE compatible files for a very old > version of Visual Studio, as well as makefiles that would work with > Apple's MPW. :-) > > - Ted > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > Development Mailing List openssl-dev@openssl.org > Automated List Manager majord...@openssl.org
