error.c, md5.c, regex.c: Use '#if USE_UNLOCKED_IO' instead of

[gnulib.git] / m4 / canon-host.m4

diff --git a/m4/canon-host.m4 b/m4/canon-host.m4
index 0c46494..3f1f5eb 100644 (file)
--- a/m4/canon-host.m4
+++ b/m4/canon-host.m4
@@ -1,5 +1,5 @@
-# canon-host.m4 serial 1
-dnl Copyright (C) 2002 Free Software Foundation, Inc.
+# canon-host.m4 serial 3
+dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
 dnl Public License, this file may be distributed as part of a program
@@ -9,14 +9,14 @@ dnl the same distribution terms as the rest of that program.
 AC_DEFUN([gl_CANON_HOST],
 [
   dnl Prerequisites of lib/canon-host.c.
-  AC_CHECK_HEADERS_ONCE(stdlib.h string.h unistd.h)
+  AC_CHECK_HEADERS_ONCE(unistd.h)
   AC_CHECK_HEADERS(netdb.h sys/socket.h netinet/in.h arpa/inet.h)
 
   dnl Add any libraries as early as possible.
-  dnl In particular, inet_ntoa needs -lnsl at least on Solaris5.5.1,
+  dnl In particular, inet_ntoa needs -lnsl at least on Solaris 2.5.1,
   dnl so we have to add -lnsl to LIBS before checking for that function.
   AC_SEARCH_LIBS(gethostbyname, [inet nsl])
 
-  dnl These come from -lnsl on Solaris5.5.1.
+  dnl These come from -lnsl on Solaris 2.5.1.
   AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
 ])