[3.10] gh-99086: Fix implicit int compiler warning in configure check for PTHREAD_SCOPE_SYSTEM (GH-99085) (#99119)

erlend-aasland · thesamesam · web-flow · commit 0d5b25bd8745 · 2022-11-06T22:39:34.000+01:00
(cherry picked from commit 12078e7) Co-authored-by: Sam James <sam@cmpct.info> Co-authored-by: Sam James <sam@cmpct.info>
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
@@ -11325,7 +11325,7 @@ else
       void *foo(void *parm) {
         return NULL;
       }
-      main() {
+      int main() {
         pthread_attr_t attr;
         pthread_t id;
         if (pthread_attr_init(&attr)) return (-1);
diff --git a/configure.ac b/configure.ac
@@ -3344,7 +3344,7 @@ 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 @@`
	`1`	+Fix ``-Wimplicit-int`` compiler warning in :program:`configure` check for ``PTHREAD_SCOPE_SYSTEM``.
Original file line number	Diff line number	Diff line change
`@@ -11325,7 +11325,7 @@ else`
`11325`	`11325`	`void foo(void parm) {`
`11326`	`11326`	`return NULL;`
`11327`	`11327`	`}`
`11328`		`- main() {`
	`11328`	`+ int main() {`
`11329`	`11329`	`pthread_attr_t attr;`
`11330`	`11330`	`pthread_t id;`
`11331`	`11331`	`if (pthread_attr_init(&attr)) return (-1);`
Original file line number	Diff line number	Diff line change
`@@ -3344,7 +3344,7 @@ if test "$posix_threads" = "yes"; then`
`3344`	`3344`	`void foo(void parm) {`
`3345`	`3345`	`return NULL;`
`3346`	`3346`	`}`
`3347`		`- main() {`
	`3347`	`+ int main() {`
`3348`	`3348`	`pthread_attr_t attr;`
`3349`	`3349`	`pthread_t id;`
`3350`	`3350`	`if (pthread_attr_init(&attr)) return (-1);`