Make it possible to use the AC_ISC_POSIX replacement with autoconf-2.13.

diff --git a/m4/ChangeLog b/m4/ChangeLog
index 9c61fb33fea89b27abc98b9ac6e4c48810f76b07..a36f9333da3164f13caef34e968f6f23884aa666 100644 (file)
--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,3 +1,9 @@
+2000-06-16  Bruno Haible  <haible@clisp.cons.org>
+
+       * isc-posix.m4: Undefine the macro before calling AC_DEFUN, otherwise
+       with autoconf-2.13 we get lots of ***BUG in Autoconf--please report***
+       errors.
+
 2000-05-06  Ulrich Drepper  <drepper@redhat.com>
 
        * gettext.m4: Add tests for tsearch, iconv, and mempcpy.

diff --git a/m4/isc-posix.m4 b/m4/isc-posix.m4
index 4dd2afa2cb2ac63250b60af3cd87ba822971a15f..f228ea816d84da8ec7c83da91b54a218c3638330 100644 (file)
--- a/m4/isc-posix.m4
+++ b/m4/isc-posix.m4
@@ -7,6 +7,8 @@
 #   configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
 #   configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX
 
+undefine([AC_ISC_POSIX])
+
 AC_DEFUN(AC_ISC_POSIX,
   [
     dnl This test replaces the obsolescent AC_ISC_POSIX kludge.