doc: use ASCII in .texi files where UTF-8 isn't needed

[gnulib.git] / m4 / isnand.m4

diff --git a/m4/isnand.m4 b/m4/isnand.m4
index b000ab5..36e4ea3 100644 (file)
--- a/m4/isnand.m4
+++ b/m4/isnand.m4
@@ -1,5 +1,5 @@
-# isnand.m4 serial 9
-dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
+# isnand.m4 serial 11
+dnl Copyright (C) 2007-2014 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.
@@ -24,8 +24,6 @@ AC_DEFUN([gl_FUNC_ISNAND],
   else
     gl_func_isnand=no
     HAVE_ISNAND=0
-    AC_LIBOBJ([isnand])
-    gl_PREREQ_ISNAND
   fi
   AC_SUBST([ISNAND_LIBM])
 ])
@@ -35,19 +33,17 @@ dnl Check how to get or define isnand() without linking with libm.
 AC_DEFUN([gl_FUNC_ISNAND_NO_LIBM],
 [
   gl_HAVE_ISNAND_NO_LIBM
+  gl_func_isnand_no_libm=$gl_cv_func_isnand_no_libm
   if test $gl_cv_func_isnand_no_libm = yes; then
     AC_DEFINE([HAVE_ISNAND_IN_LIBC], [1],
       [Define if the isnan(double) function is available in libc.])
-  else
-    AC_LIBOBJ([isnand])
-    gl_PREREQ_ISNAND
   fi
 ])
 
 dnl Prerequisites of replacement isnand definition. It does not need -lm.
 AC_DEFUN([gl_PREREQ_ISNAND],
 [
-  gl_DOUBLE_EXPONENT_LOCATION
+  AC_REQUIRE([gl_DOUBLE_EXPONENT_LOCATION])
 ])
 
 dnl Test whether isnand() can be used with libm.