--- libungif-4.1.0b1/configure.in.varg	Thu Jul 27 14:28:17 2000
+++ libungif-4.1.0b1/configure.in	Thu Jul 27 14:28:38 2000
@@ -48,7 +48,7 @@
 dnl Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS(fcntl.h)
-AC_CHECK_HEADERS(varargs.h)
+AC_CHECK_HEADERS(stdarg.h)
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
--- libungif-4.1.0b1/configure.varg	Thu Jul 27 14:28:21 2000
+++ libungif-4.1.0b1/configure	Thu Jul 27 14:28:41 2000
@@ -3247,7 +3247,7 @@
 fi
 done
 
-for ac_hdr in varargs.h
+for ac_hdr in stdarg.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6