Re: Build system cleanup

[Jan Stary <hans@stare.cz>]

On Aug 21 18:08:27, mans@mansr.com wrote:
> Jan Stary <hans@stare.cz> writes:
> 
> > On Aug 21 17:16:12, hans@stare.cz wrote:
> >> > checking for magic.h... no
> >> > checking for zlib.h... yes
> >> > checking for uncompress in -lz... yes
> >> > checking for png.h... no
> >> > checking for mad.h... no
> >> > checking for id3tag.h... no
> >> > checking for lame/lame.h... no
> >> > checking for lame.h... no
> >> > 
> >> > 	$ pkg_info -L lame | grep .h$    
> >> > 	/usr/local/include/lame/lame.h
> >> > 
> >> > 	OpenBSD installs third-party packages into /usr/local/,
> >> > 	but the configure script does not look there; it porbably
> >> > 	only searches in /usr, because that's where linux distributions
> >> > 	install their packages. (I'm not saying it should
> >> > 	-- I will test the same with -I added to the CPPFLAGS,
> >> > 	as the OpenBSD port of SoX does.)
> >> 
> >> Running ./configure with CPPFLAGS and LDFLAGS,
> >> so that the headers and libraries are found,
> >> as per ./configure --help:
> >> 
> >>   LDFLAGS   linker flags, e.g. -L<lib dir>
> >>   	    if you have libraries in a nonstandard directory <lib dir>
> >> 
> >>   CPPFLAGS  (Objective) C/C++ preprocessor flags, e.g. -I<include dir>
> >>             if you have headers in a nonstandard directory <include dir>
> >> 
> >> I am looking at png as an example.
> >> 
> >> With plain ./configure , png.h (which is /usr/local/include/png.h)
> >> is not found, as described above.
> >> 
> >>   checking for png.h... no
> >> 
> >> With ./configure CPPFLAGS='-I/usr/local/include' the png.h header is found,
> >> but the library is not, unsurprisingly. But:
> >> 
> >>   $ ./configure CPPFLAGS='-I/usr/local/include'
> >>   [...]
> >>   checking for png.h... yes
> >>   checking for png_set_rows in -l101... no
> >> 
> >> I have no idea how the -l101 got there.
> >
> > not sure if it has anything to do with it, but:
> >
> > autom4te.cache/output.0:    HAVE_LIBLTDL=${with_libltdl:-101}
> > autom4te.cache/output.0:    HAVE_MAGIC=${with_magic:-101}
> > autom4te.cache/output.0:    HAVE_PNG=${with_png:-101}
> > autom4te.cache/output.0:    HAVE_MAD=${with_mad:-101}
> > autom4te.cache/output.0:    HAVE_ID3TAG=${with_id3tag:-101}
> > autom4te.cache/output.0:    HAVE_LAME=${with_lame:-101}
> > autom4te.cache/output.0:    HAVE_TWOLAME=${with_twolame:-101}
> > autom4te.cache/output.0:    HAVE_LIBGSM=${with_libgsm:-101}
> > autom4te.cache/output.0:    HAVE_OPENCORE_AMRWB=${with_opencore_amrwb:-101}
> > autom4te.cache/output.0:    HAVE_VO_AMRWBENC=${with_vo_amrwbenc:-101}
> > autom4te.cache/output.0:    HAVE_OPENCORE_AMRNB=${with_opencore_amrnb:-101}
> > autom4te.cache/output.0:    HAVE_LIBSNDFILE=${with_libsndfile:-101}
> 
> Fixed.

Thank you.

>> [$9 *], m4_argn([8], m4_shift2($@))) dnl OpenBSD m4 can't count

Can you please give a minimal example of an m4 input
that demonstrates the problem? If something as fundamental
as counting the number of arguments is broken,
it needs fixing of course, instead of having
software have to work around that.

Jan


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