--- /dev/null
+diff -ur happy-1.10.orig/aclocal.m4 happy-1.10/aclocal.m4
+--- happy-1.10.orig/aclocal.m4 Mon Apr 23 15:35:18 2001
++++ happy-1.10/aclocal.m4 Tue Sep 18 20:22:46 2001
+@@ -638,7 +638,7 @@
+
+ dnl *** Helper function **
+ dnl
+-AC_DEFUN(FPTOOLS_IN_SCOPE,AC_TRY_LINK([extern char* $1;],[return (int)&$2], $3=yes, $3=no))
++AC_DEFUN([FPTOOLS_IN_SCOPE],[AC_TRY_LINK([extern char* $1;],[return (int)&$2], $3=yes, $3=no)])
+
+ dnl *** What's the end-of-text-section marker called? ***
+ dnl
+@@ -767,25 +767,6 @@
+ []
+ )])]
+ )
+-
+-dnl check for prototypes
+-dnl
+-AC_DEFUN(AC_C_PROTOTYPES,
+-[AC_CACHE_CHECK([prototypes], ac_cv_prototypes,
+-[AC_TRY_COMPILE([
+-void foo(int);
+-void foo(i)
+-int i; {
+-return;
+-}
+-],
+-[int i;],
+-ac_cv_prototypes=yes,
+-ac_cv_prototypes=no)])
+-if test "$ac_cv_prototypes" = yes; then
+-AC_DEFINE(HAVE_PROTOTYPES)
+-fi
+-])
+
+ dnl ** Check which CATALOG file we have to use with DocBook SGML.
+ dnl