GNU bug report logs - #25317
[bug-gnu-emacs] emacs-25.1.91 build feedback

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Message #16 received at 25317 <at> debbugs.gnu.org (full text, mbox):

From: npostavs <at> users.sourceforge.net
To: "Nelson H. F. Beebe" <beebe <at> math.utah.edu>
Cc: 25317 <at> debbugs.gnu.org
Subject: Re: bug#25317: [bug-gnu-emacs] emacs-25.1.91 build feedback
Date: Sun, 22 Jan 2017 00:11:11 -0500

"Nelson H. F. Beebe" <beebe <at> math.utah.edu> writes:
>
> One pain in emacs-x.y.z releases is that if any of the graphics
> libraries (gif, jpeg, png, tiff, ...) and associated header files are
> missing, configure aborts.  
>
> I would MUCH rather that it just warned that it would not be able to
> supply that rarely-used feature of viewing bitmap graphics files, and
> carry on with the build.  

Hmm, the problem is that configure.ac is currently structured in such a
way that it can't distinguish between --with-gif=yes and not passing any
--with-gif option, so changing this is not so easy.  As a quick fix, you
can apply the following patch to disable this checking for all the image
libraries:

--- i/configure.ac
+++ w/configure.ac
@@ -3517,7 +3517,7 @@ fi
 AC_SUBST(LIBGIF)
 
 dnl Check for required libraries.
-if test "${HAVE_X11}" = "yes"; then
+if false ; then
   MISSING=""
   WITH_NO=""
   test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&

Or if you're building from the tarball without running autoreconf, patch
configure directly:

--- i/configure
+++ w/configure
@@ -15731,7 +15731,7 @@
 fi
 
 
-if test "${HAVE_X11}" = "yes"; then
+if false ; then
   MISSING=""
   WITH_NO=""
   test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&

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