retitle 652363 pkg-config and /usr/share/aclocal/pkg.m4 are error-prone thanks
the failure i had attempting to build d-conf that led me to file #652001
appears to be complicated by the fact that the pkg-config autoconf
snippet (ultimately provided, i believe, by /usr/share/aclocal/pkg.m4)
didn't properly test for failure of
pkg-config --cflags gtk+-3.0
when it was assembling CFLAGS.
this is a somewhat unusual case, because with libpng-dev installed, the
above command was failing, even though the corresponding --libs command
was *not* failing.
But this all seems to point to a lack of robustness in pkg-config,
either in the tool itself or in aclocal/pkg.m4.
Thanks for maintaining pkg-config in Debian!
--dkg
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