Properly quote AC_CHECK_DECL's 4th argument.

[gnulib.git] / m4 / argp.m4

diff --git a/m4/argp.m4 b/m4/argp.m4
index 4e3940a..a9963ee 100644 (file)
--- a/m4/argp.m4
+++ b/m4/argp.m4
@@ -1,4 +1,4 @@
-# argp.m4 serial 12
+# argp.m4 serial 13
 dnl Copyright (C) 2003-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -15,13 +15,13 @@ AC_DEFUN([gl_ARGP],
                            [Define if program_invocation_name is declared])],
                 [AC_DEFINE([GNULIB_PROGRAM_INVOCATION_NAME], [1],
                            [Define to 1 to add extern declaration of program_invocation_name to argp.h])],
-                [#include <errno.h>])
+                [[#include <errno.h>]])
   AC_CHECK_DECL([program_invocation_short_name],
                 [AC_DEFINE([HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME], [1],
                            [Define if program_invocation_short_name is declared])],
                 [AC_DEFINE([GNULIB_PROGRAM_INVOCATION_SHORT_NAME], [1],
                            [Define to 1 to add extern declaration of program_invocation_short_name to argp.h])],
-                [#include <errno.h>])
+                [[#include <errno.h>]])
 
   # Check if program_invocation_name and program_invocation_short_name
   # are defined elsewhere. It is improbable that only one of them will