From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 16 Nov 2022 18:19:43 +0000 (-0800)
Subject: Cater better to underquoted callers
X-Git-Tag: v2.72c~24
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=078edd8c0fb36b0245df3c6ebd621225dea9b685;p=thirdparty%2Fautoconf.git

Cater better to underquoted callers

Problem reported by Frederic Berat in:
https://lists.gnu.org/r/autoconf/2022-11/msg00092.html
* lib/autoconf/c.m4 (AC_LANG_CALL(C)): Omit comma in comment,
which triggers bugs in underquoted callers.
---

diff --git a/lib/autoconf/c.m4 b/lib/autoconf/c.m4
index 5e4301e7..a388599c 100644
--- a/lib/autoconf/c.m4
+++ b/lib/autoconf/c.m4
@@ -128,7 +128,7 @@ m4_if([$2], [main], ,
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.
    The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code, supporting it here
+   although this is not generally supported in C code supporting it here
    has little cost and some practical benefit (sr 110532).  */
 #ifdef __cplusplus
 extern "C"