fix implicit int compiler warning in configure check for PTHREAD_SCOPE_SYSTEM

erlend-aasland · thesamesam · mcepl · commit 03f78cdb1be1 · 2024-11-29T11:59:11.000+01:00
Code is from gh#python/cpython!99085 (released upstream in 3.10.9) Co-authored-by: Sam James <sam@cmpct.info> Fixes: gh#python#99086 Patch: PTHREAD_SCOPE_SYSTEM-int-warning.patch
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
@@ -10877,7 +10877,7 @@ else
       void *foo(void *parm) {
         return NULL;
       }
-      main() {
+      int main() {
         pthread_attr_t attr;
         pthread_t id;
         if (pthread_attr_init(&attr)) exit(-1);
diff --git a/configure.ac b/configure.ac
@@ -3213,7 +3213,7 @@ 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)) exit(-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
`@@ -10877,7 +10877,7 @@ else`
`10877`	`10877`	`void foo(void parm) {`
`10878`	`10878`	`return NULL;`
`10879`	`10879`	`}`
`10880`		`- main() {`
	`10880`	`+ int main() {`
`10881`	`10881`	`pthread_attr_t attr;`
`10882`	`10882`	`pthread_t id;`
`10883`	`10883`	`if (pthread_attr_init(&attr)) exit(-1);`
Original file line number	Diff line number	Diff line change
`@@ -3213,7 +3213,7 @@ if test "$posix_threads" = "yes"; then`
`3213`	`3213`	`void foo(void parm) {`
`3214`	`3214`	`return NULL;`
`3215`	`3215`	`}`
`3216`		`- main() {`
	`3216`	`+ int main() {`
`3217`	`3217`	`pthread_attr_t attr;`
`3218`	`3218`	`pthread_t id;`
`3219`	`3219`	`if (pthread_attr_init(&attr)) exit(-1);`