Re: Portability of libtextstyle

[Akim Demaille]

Hi Bruno,

> Le 27 juil. 2020 à 03:17, Bruno Haible <bruno@clisp.org> a écrit :
> 
> Hi Akim,
> 
> I wrote:
>> I propose that I make a gettext release ASAP (today?), that includes the new
>> libtextstyle API, then you can refer all users to gettext-0.21.
> 
> I released gettext-0.21 now. You can tell your users that it is a
> prerequisite for proper styling support of bison-3.7.

Wow...  Thanks a lot for the effort!  I appreciate that.

Here's my proposal to update the check for libtextstyle.

Cheers!

commit 76c00e218869dab03ec4a1f503495e0d729d0b97
Author: Akim Demaille <akim.demaille@gmail.com>
Date:   Sun Jul 26 18:00:10 2020 +0200

    libtextstyle: check the API of the latest release
    
    * m4/libtextstyle.m4 (gl_LIBTEXTSTYLE): Require ostream_printf and
    styled_ostream_get_hyperlink_ref.

diff --git a/ChangeLog b/ChangeLog
index 63138b822..9e7512bf2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2020-07-27  Akim Demaille  <akim@lrde.epita.fr>
+
+       libtextstyle: check the API of the latest release
+       * m4/libtextstyle.m4 (gl_LIBTEXTSTYLE): Require ostream_printf and
+       styled_ostream_get_hyperlink_ref.
+
 2020-07-26  Paul Eggert  <eggert@cs.ucla.edu>
 
        argz: pacify MSVC
diff --git a/m4/libtextstyle.m4 b/m4/libtextstyle.m4
index 23b4a6959..96ce60688 100644
--- a/m4/libtextstyle.m4
+++ b/m4/libtextstyle.m4
@@ -1,4 +1,4 @@
-# libtextstyle.m4 serial 1
+# libtextstyle.m4 serial 2
 dnl Copyright (C) 2019-2020 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -17,6 +17,11 @@ dnl LTLIBTEXTSTYLE to empty.
 AC_DEFUN([gl_LIBTEXTSTYLE],
 [
   AC_LIB_HAVE_LINKFLAGS([textstyle], [],
-    [#include <textstyle.h>], 
[term_styled_ostream_create(1,"",TTYCTL_AUTO,"");],
+    [#include <textstyle.h>],
+    [const char *url = "https://www.gnu.org/software/gnulib/";;
+     styled_ostream_t ostream = term_styled_ostream_create (1, "", 
TTYCTL_AUTO, "");
+     styled_ostream_set_hyperlink (ostream, url, NULL);
+     ostream_printf (ostream, "%s%s", "gnu", "lib");
+     styled_ostream_set_hyperlink (ostream, NULL, NULL);],
     [no])
 ])