Re: Build system cleanup

["Måns Rullgård" <mans@mansr.com>]

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.

-- 
Måns Rullgård


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