--- minicom-2.1/configure.in.old	2004-09-12 12:48:55.000000000 +0100
+++ minicom-2.1/configure.in	2004-09-12 12:49:05.000000000 +0100
@@ -253,7 +253,7 @@
 
 dnl Checks for library functions.
 AC_TYPE_SIGNAL
-AM_FUNC_ERROR_AT_LINE
+AC_FUNC_ERROR_AT_LINE
 AC_FUNC_CLOSEDIR_VOID
 AM_WITH_DMALLOC
 AC_CHECK_FUNCS(getcwd getwd strerror strstr vsnprintf vprintf)