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Posted to commits@apr.apache.org by jo...@apache.org on 2023/01/23 16:34:42 UTC

svn commit: r1906946 - /apr/apr/trunk/configure.in

Author: jorton
Date: Mon Jan 23 16:34:42 2023
New Revision: 1906946

URL: http://svn.apache.org/viewvc?rev=1906946&view=rev
Log:
* configure.in: Fix variable-length-array detection for recent gcc
  with -Wall in CFLAGS, avoiding the "set but not used" warning:

conftest.c: In function 'main':
conftest.c:197:9: error: variable 'foo' set but not used [-Werror=unused-but-set-variable]
  197 |     int foo[argc];

Modified:
    apr/apr/trunk/configure.in

Modified: apr/apr/trunk/configure.in
URL: http://svn.apache.org/viewvc/apr/apr/trunk/configure.in?rev=1906946&r1=1906945&r2=1906946&view=diff
==============================================================================
--- apr/apr/trunk/configure.in (original)
+++ apr/apr/trunk/configure.in Mon Jan 23 16:34:42 2023
@@ -2305,10 +2305,11 @@ fi
 AC_SUBST(have_proc_invoked)
 
 AC_MSG_CHECKING(for Variable Length Arrays)
-APR_TRY_COMPILE_NO_WARNING([],
+APR_TRY_COMPILE_NO_WARNING([#include <stdio.h>],
 [
     int foo[argc];
     foo[0] = 0;
+    printf("%d\n", foo[0]);
 ], vla_msg=yes, vla_msg=no )
 AC_MSG_RESULT([$vla_msg])
 if test "$vla_msg" = "yes"; then