[3.11] gh-99086: Fix implicit int compiler warning in configure check…

… for PTHREAD_SCOPE_SYSTEM (GH-99085) (#99118) (cherry picked from commit 12078e7) Co-authored-by: Sam James <sam@cmpct.info>
python · Nov 5, 2022 · 573b451 · 573b451
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commit 573b451
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diff --git a/Misc/NEWS.d/next/Build/2022-11-04-02-58-10.gh-issue-99086.DV_4Br.rst b/Misc/NEWS.d/next/Build/2022-11-04-02-58-10.gh-issue-99086.DV_4Br.rst
@@ -0,0 +1 @@
+Fix ``-Wimplicit-int`` compiler warning in :program:`configure` check for ``PTHREAD_SCOPE_SYSTEM``.
diff --git a/configure b/configure
diff --git a/configure.ac b/configure.ac
@@ -4172,7 +4172,7 @@ if test "$posix_threads" = "yes"; then
       void *foo(void *parm) {
         return NULL;
       }
-      main() {
+      int main() {
         pthread_attr_t attr;
         pthread_t id;
         if (pthread_attr_init(&attr)) return (-1);
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Fix ``-Wimplicit-int`` compiler warning in :program:`configure` check for ``PTHREAD_SCOPE_SYSTEM``.