--- configure.in.orig	Thu May  1 18:57:06 2003
+++ configure.in	Thu May  1 18:59:20 2003
@@ -157,15 +157,15 @@
 AC_REPLACE_FUNCS(strdup)
 
 AC_CHECK_FUNC(rand, AC_DEFINE(HAVE_RAND),
-  AC_CHECK_FUNC(random, AC_DEFINE(HAVE_RANDOM),
+  [AC_CHECK_FUNC(random, AC_DEFINE(HAVE_RANDOM),
     [AC_MSG_ERROR(Hmm. Your system does not support either random() or rand().)
-      exit 1]))
+      exit 1])])
 
 AC_CHECK_FUNC(isnan, AC_DEFINE(HAVE_ISNAN),
-  AC_CHECK_FUNC(_isnan, [AC_DEFINE(HAVE_ISNAN) AC_DEFINE(isnan,_isnan)]))
+  [AC_CHECK_FUNC(_isnan, [AC_DEFINE(HAVE_ISNAN) AC_DEFINE(isnan,_isnan)])])
 
 AC_CHECK_FUNC(sigvec, AC_DEFINE(HAVE_SIGVEC),
-  AC_CHECK_FUNC(sigvector, AC_DEFINE(HAVE_SIGVECTOR)))
+  [AC_CHECK_FUNC(sigvector, AC_DEFINE(HAVE_SIGVECTOR))])
 
 # Solaris has the copysign function in libc but provides no
 # prototype when compiling with gcc in __GCC__ mode.