Re: cygwin -mno-cygwin AC_CHECK_SIZEOF

[Paul Eggert <eggert at CS dot UCLA dot EDU>]

Eric Blake <ebb9@byu.net> writes:

> Patch below.  Keep replies on the autoconf-patches list.

Thanks.  In retrospect it was a mistake to append the trailing
newline, I guess.  I installed the following: it differs from your
patch only in adding more commentary.

2006-12-01  Eric Blake  <ebb9@byu.net>

	* lib/autoconf/c.m4 (AC_LANG_INT_SAVE): Avoid newline, to aid in
	cross-compiling from cygwin to mingw.
	Reported by Bob Rossi.  This resurrects the 2000-11-30 patch to
	aclang.m4, which was mistakenly removed in the 2001-09-17 patch
	to lib/autoconf/c.m4.

--- lib/autoconf/c.m4	28 Nov 2006 00:26:45 -0000	1.240
+++ lib/autoconf/c.m4	1 Dec 2006 19:20:43 -0000
@@ -284,15 +284,17 @@ static unsigned long int ulongval () { r
       long int i = longval ();
       if (i != ($2))
 	return 1;
-      fprintf (f, "%ld\n", i);
+      fprintf (f, "%ld", i);
     }
   else
     {
       unsigned long int i = ulongval ();
       if (i != ($2))
 	return 1;
-      fprintf (f, "%lu\n", i);
+      fprintf (f, "%lu", i);
     }
+  /* Do not output a trailing newline, as this causes \r\n confusion
+     on some platforms.  */
   return ferror (f) || fclose (f) != 0;
 ])])
 

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