New module 'atan2f'.

[gnulib.git] / m4 / roundl.m4

diff --git a/m4/roundl.m4 b/m4/roundl.m4
index 9d0d381..eece9d7 100644 (file)
--- a/m4/roundl.m4
+++ b/m4/roundl.m4
@@ -1,4 +1,4 @@
-# roundl.m4 serial 11
+# roundl.m4 serial 12
 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -10,7 +10,7 @@ AC_DEFUN([gl_FUNC_ROUNDL],
   AC_REQUIRE([gl_MATH_H_DEFAULTS])
   dnl Persuade glibc <math.h> to declare roundl().
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
-  AC_CHECK_DECLS([roundl], , , [#include <math.h>])
+  AC_CHECK_DECLS([roundl], , , [[#include <math.h>]])
   if test "$ac_cv_have_decl_roundl" = yes; then
     gl_CHECK_MATH_LIB([ROUNDL_LIBM], [x = roundl (x);])
     if test "$ROUNDL_LIBM" = missing; then
@@ -61,7 +61,7 @@ int main (int argc, char *argv[])
   fi
   if test $HAVE_DECL_ROUNDL = 0 || test $REPLACE_ROUNDL = 1; then
     dnl Find libraries needed to link lib/roundl.c.
-    AC_CHECK_DECLS([ceill, floorl], , , [#include <math.h>])
+    AC_CHECK_DECLS([ceill, floorl], , , [[#include <math.h>]])
     if test "$ac_cv_have_decl_floorl" = yes \
        && test "$ac_cv_have_decl_ceill" = yes; then
       gl_FUNC_FLOORL_LIBS