isfinite, isinf, isnan tests: Avoid syntax error on MSVC 9.

[gnulib.git] / m4 / floorl.m4

diff --git a/m4/floorl.m4 b/m4/floorl.m4
index 5bd62d0..5a20b8b 100644 (file)
--- a/m4/floorl.m4
+++ b/m4/floorl.m4
@@ -1,5 +1,5 @@
-# floorl.m4 serial 7
-dnl Copyright (C) 2007, 2009-2010 Free Software Foundation, Inc.
+# floorl.m4 serial 9
+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,
 dnl with or without modifications, as long as this notice is preserved.
@@ -10,7 +10,7 @@ AC_DEFUN([gl_FUNC_FLOORL],
   dnl Persuade glibc <math.h> to declare floorl().
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   dnl Test whether floorl() is declared.
-  AC_CHECK_DECLS([floorl], , , [#include <math.h>])
+  AC_CHECK_DECLS([floorl], , , [[#include <math.h>]])
   if test "$ac_cv_have_decl_floorl" = yes; then
     dnl Test whether floorl() can be used without libm.
     gl_FUNC_FLOORL_LIBS
@@ -23,7 +23,7 @@ AC_DEFUN([gl_FUNC_FLOORL],
     HAVE_DECL_FLOORL=0
   fi
   if test $HAVE_DECL_FLOORL = 0 || test $REPLACE_FLOORL = 1; then
-    AC_LIBOBJ([floorl])
+    dnl No libraries are needed to link lib/floorl.c.
     FLOORL_LIBM=
   fi
   AC_SUBST([FLOORL_LIBM])