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bug#17339: [bug-gnu-emacs] emacs-24.3.90: big build report
From: |
Glenn Morris |
Subject: |
bug#17339: [bug-gnu-emacs] emacs-24.3.90: big build report |
Date: |
Thu, 01 May 2014 17:59:48 -0400 |
User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Glenn Morris wrote:
> "Nelson H. F. Beebe" wrote:
[...]
>> (2) On NetBSD 6, configure tests for -lpng fail because that library does
>> not exist; instead, the vendor provides only -lpng16. I fooled the
>> emacs configure script by creating this symlink:
>>
>> /usr/local/lib/libpng.a: symbolic link to
>> `/usr/pkg/lib/libpng16.a'
>>
>> so that -lpng is now found.
>
> This has come up before; http://debbugs.gnu.org/11797#8 .
I applied the following:
--- a/configure.ac 2014-04-29 14:49:11 +0000
+++ b/configure.ac 2014-05-01 21:57:27 +0000
@@ -3101,8 +3101,15 @@
fi
if test "${HAVE_PNG}" = "yes"; then
- AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
- LIBPNG="-lpng -lz -lm"
+ AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library.])
+
+ dnl Some systems, eg NetBSD 6, only provide eg "libpng16", not "libpng".
+ lpng=`libpng-config --libs 2> /dev/null`
+ case $lpng in
+ -l*) : ;;
+ *) lpng="-lpng" ;;
+ esac
+ LIBPNG="$lpng -lz -lm"
AC_CHECK_DECL(png_longjmp,
[],
@@ -4976,7 +4983,7 @@
echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
echo " Does Emacs use a gif library? ${HAVE_GIF}
$LIBGIF"
-echo " Does Emacs use -lpng? ${HAVE_PNG}"
+echo " Does Emacs use a png library? ${HAVE_PNG}
$LIBPNG"
echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
echo " Does Emacs use imagemagick?
${HAVE_IMAGEMAGICK}"
- bug#17339: [bug-gnu-emacs] emacs-24.3.90: big build report,
Glenn Morris <=