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Use giflib or libungif to provide GIF support, instead of using internal routines. Delete internal GIF support code with no stated license. Fix up a number of references in the documentation to GIF support. See discussion on xemacs-beta: <87iqg4vg9t.fsf@uwakimon.sk.tsukuba.ac.jp>.
author Jerry James <james@xemacs.org>
date Mon, 05 Oct 2009 10:11:59 -0600
parents 0e1461b592ce
children 80d74fed5399
comparison
equal deleted inserted replaced
4707:5bb0735f56e0 4708:1cecc3e9f0a0
800 XE_MERGED_ARG([xface], 800 XE_MERGED_ARG([xface],
801 AS_HELP_STRING([--with-xface],[Compile with support for X-Face mail headers. 801 AS_HELP_STRING([--with-xface],[Compile with support for X-Face mail headers.
802 Requires the compface package.]), 802 Requires the compface package.]),
803 [], []) 803 [], [])
804 XE_MERGED_ARG([gif], 804 XE_MERGED_ARG([gif],
805 AS_HELP_STRING([--with-gif],[Compile without the (builtin) support for GIF images.]), 805 AS_HELP_STRING([--with-gif],[Compile with support for GIF images.]),
806 [], []) 806 [], [])
807 dnl 807 dnl
808 XE_HELP_SUBSECTION([Sound options]) 808 XE_HELP_SUBSECTION([Sound options])
809 XE_COMPLEX_ARG([sound], 809 XE_COMPLEX_ARG([sound],
810 AS_HELP_STRING([--enable-sound=TYPE],[Compile with sound support. 810 AS_HELP_STRING([--enable-sound=TYPE],[Compile with sound support.
4122 if test "$with_xface" = "yes"; then 4122 if test "$with_xface" = "yes"; then
4123 AC_DEFINE(HAVE_XFACE) 4123 AC_DEFINE(HAVE_XFACE)
4124 XE_PREPEND(-lcompface, libs_x) 4124 XE_PREPEND(-lcompface, libs_x)
4125 fi 4125 fi
4126 4126
4127 dnl For a brief period we had the GIF code split out into a separate library, 4127 dnl autodetect GIF
4128 dnl but patent problems, etc. sort of squashed that idea. 4128 test -z "$with_gif" && { AC_CHECK_HEADER(gif_lib.h, , with_gif=no) }
4129 dnl We default to building with builtin GIF decoding
4130 if test "$with_gif" != "no"; then 4129 if test "$with_gif" != "no"; then
4131 with_gif="yes" 4130 with_gif="yes"
4131 dnl Versions of libgif and libungif prior to the introduction of
4132 dnl EGifPutExtensionLast caused Emacs crashes. We'll require that
4133 dnl function, too, in hopes that we can avoid similar crashes.
4134 AC_CHECK_LIB(gif, EGifPutExtensionLast,
4135 [XE_PREPEND(-lgif, libs_x)],
4136 [AC_CHECK_LIB(ungif, EGifPutExtensionLast,
4137 [XE_PREPEND(-lungif, libs_x)], with_gif=no)])
4138 fi
4139 if test "$with_gif" != "no"; then
4132 AC_DEFINE(HAVE_GIF) 4140 AC_DEFINE(HAVE_GIF)
4133 fi 4141 fi
4134 4142
4135 dnl Too many stupid linkers can't detect cascaded lib dependencies until runtime 4143 dnl Too many stupid linkers can't detect cascaded lib dependencies until runtime
4136 dnl So we always search for libz compression support. 4144 dnl So we always search for libz compression support.
6101 test "$with_ncurses" = yes && echo " Compiling in support for ncurses." 6109 test "$with_ncurses" = yes && echo " Compiling in support for ncurses."
6102 test "$with_gpm" = yes && echo " Compiling in support for GPM (General Purpose Mouse)." 6110 test "$with_gpm" = yes && echo " Compiling in support for GPM (General Purpose Mouse)."
6103 6111
6104 echo " 6112 echo "
6105 Images:" 6113 Images:"
6106 test "$with_gif" = yes && echo " Compiling in support for GIF images (builtin)." 6114 test "$with_gif" = yes && echo " Compiling in support for GIF images."
6107 if test "$with_xpm" = yes; then 6115 if test "$with_xpm" = yes; then
6108 echo " Compiling in support for XPM images." 6116 echo " Compiling in support for XPM images."
6109 elif test "$with_x11" = yes; then 6117 elif test "$with_x11" = yes; then
6110 echo " WARNING: -----------------------------------------------------------" 6118 echo " WARNING: -----------------------------------------------------------"
6111 echo " WARNING: Compiling without XPM image support." 6119 echo " WARNING: Compiling without XPM image support."