I wrote:
> On the glibc side, the bug is fixed in glibc 2.17 and newer.
The Haiku people found out more details about this bug. In particular,
it's fixed in glibc 2.16 already.
2023-04-09 Bruno Haible <br...@clisp.org>
vasnwprintf-posix: More details about the glibc bug.
* doc/posix-functions/swprintf.texi: Add comment.
* m4/printf.m4 (gl_SWPRINTF_DIRECTIVE_LA): Update cross-compilation
guess.
diff --git a/doc/posix-functions/swprintf.texi
b/doc/posix-functions/swprintf.texi
index fe36bc215a..649b541ed0 100644
--- a/doc/posix-functions/swprintf.texi
+++ b/doc/posix-functions/swprintf.texi
@@ -38,6 +38,7 @@
@item
This function produces wrong values for the @samp{La} directive
on some platforms:
+@c https://sourceware.org/bugzilla/show_bug.cgi?id=13726
glibc 2.15,
@c https://dev.haiku-os.org/ticket/18353
Haiku.
diff --git a/m4/printf.m4 b/m4/printf.m4
index f513da0c84..efb85a57af 100644
--- a/m4/printf.m4
+++ b/m4/printf.m4
@@ -1,4 +1,4 @@
-# printf.m4 serial 81
+# printf.m4 serial 82
dnl Copyright (C) 2003, 2007-2023 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -1988,7 +1988,7 @@ AC_DEFUN([gl_SWPRINTF_DIRECTIVE_LA]
AC_EGREP_CPP([Unlucky], [
#include <features.h>
#ifdef __GNU_LIBRARY__
- #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 17) || (__GLIBC__ >
2)) && !defined __UCLIBC__
+ #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 16) || (__GLIBC__ >
2)) && !defined __UCLIBC__
Unlucky
#endif
#endif
