Prefer libgif over libungif.

This commit is contained in:
Glenn Morris 2007-06-20 07:50:43 +00:00
parent 7adaaf724d
commit 12d9c91d50

View file

@ -105,7 +105,7 @@ AC_ARG_WITH(jpeg,
AC_ARG_WITH(tiff,
[ --with-tiff use -ltiff for displaying TIFF images])
AC_ARG_WITH(gif,
[ --with-gif use -lungif (or -lgif) for displaying GIF images])
[ --with-gif use -lgif (or -lungif) for displaying GIF images])
AC_ARG_WITH(png,
[ --with-png use -lpng for displaying PNG images])
AC_ARG_WITH(gpm,
@ -2528,24 +2528,24 @@ if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
AC_CHECK_HEADER(gif_lib.h,
# EGifPutExtensionLast only exists from version libungif-4.1.0b1.
# Earlier versions can crash Emacs.
AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, try_libgif=yes))
AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, try_libungif=yes))
if test "$HAVE_GIF" = yes; then
ac_gif_lib_name="-lungif"
ac_gif_lib_name="-lgif"
fi
# If gif_lib.h but no libungif, try libgif.
if test x"$try_libgif" = xyes; then
AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes)
# If gif_lib.h but no libgif, try libungif.
if test x"$try_libungif" = xyes; then
AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes)
if test "$HAVE_GIF" = yes; then
AC_DEFINE(LIBGIF, -lgif, [Compiler option to link with the gif library (if not -lungif).])
ac_gif_lib_name="-lgif"
AC_DEFINE(LIBGIF, -lungif, [Compiler option to link with the gif library (if not -lgif).])
ac_gif_lib_name="-lungif"
fi
fi
if test "${HAVE_GIF}" = "yes"; then
AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lungif; otherwise specify with LIBGIF).])
AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lgif; otherwise specify with LIBGIF).])
fi
fi