+2002-03-01 Richard M. Stallman <rms@gnu.org>
+
+ * configure.in (HAVE_JPEG): Turn it off if libjpeg version < 6b.
+ (HAVE_GIF): Don't use old libungif versions that crash.
+
2002-02-26 Richard M. Stallman <rms@gnu.org>
* configure.in <making srcdir absolute>: Verify that PWD is correct,
if test "${HAVE_JPEG}" = "yes"; then
AC_DEFINE(HAVE_JPEG)
+ AC_EGREP_CPP(
+changequote({, })dnl avoid leadingspace on the next line
+{version= *(6[2-9]|[7-9][0-9])},
+changequote([, ])dnl
+ [#include <jpeglib.h>
+ version=JPEG_LIB_VERSION
+],
+ AC_DEFINE(HAVE_JPEG),
+ [AC_MSG_WARN([libjpeg found, but not version 6b or later])
+ HAVE_JPEG=no])
fi
fi
if test "${HAVE_X11}" = "yes"; then
if test "${with_gif}" != "no"; then
AC_CHECK_HEADER(gif_lib.h,
- AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes))
+# EGifPutExtensionLast only exists from version libungif-4.1.0b1.
+# Earlier versions can crash Emacs.
+ AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes))
fi
if test "${HAVE_GIF}" = "yes"; then