quotearg: Improve USE_C_LOCALE code on musl libc.

* m4/quotearg.m4 (gl_QUOTEARG): Require gl_MUSL_LIBC.
* modules/quotearg (Files): Add m4/musl.m4.

diff --git a/ChangeLog b/ChangeLog
index 33a67ff3229d6e68c993cc4ce32f32dff9243f56..c488cbddbacc428b4dc9fe4474b0c064b81f0bfe 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2026-05-26  Bruno Haible  <bruno@clisp.org>
+
+       quotearg: Improve USE_C_LOCALE code on musl libc.
+       * m4/quotearg.m4 (gl_QUOTEARG): Require gl_MUSL_LIBC.
+       * modules/quotearg (Files): Add m4/musl.m4.
+
 2026-05-25  Paul Eggert  <eggert@cs.ucla.edu>
 
        xalloc-oversized: pacify gcc -Wuseless-cast

diff --git a/m4/quotearg.m4 b/m4/quotearg.m4
index 330743b3bf3c818ede10e0625d55e49ae316a1b4..ceca5925adf50de8379a1675157351eecd8545d7 100644 (file)
--- a/m4/quotearg.m4
+++ b/m4/quotearg.m4
@@ -1,5 +1,5 @@
 # quotearg.m4
-# serial 10
+# serial 11
 dnl Copyright (C) 2002, 2004-2026 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -9,5 +9,6 @@ dnl This file is offered as-is, without any warranty.
 AC_DEFUN([gl_QUOTEARG],
 [
   AC_REQUIRE([AC_C_RESTRICT])
+  AC_REQUIRE([gl_MUSL_LIBC])
   :
 ])

diff --git a/modules/quotearg b/modules/quotearg
index 17a7c1314c08ff1155387cbf7177c942789f5529..7e61400ef1565a3a7649a5d6d59e33788156e12c 100644 (file)
--- a/modules/quotearg
+++ b/modules/quotearg
@@ -6,6 +6,7 @@ lib/quotearg.h
 lib/quotearg.c
 lib/quote.h
 m4/quotearg.m4
+m4/musl.m4
 
 Depends-on:
 attribute