From 1e9786b8ec0f68f5d8697593a2e0e7a6fd1e194b Mon Sep 17 00:00:00 2001
From: Andrey Volk <andywolk@gmail.com>
Date: Wed, 12 Feb 2020 21:44:29 +0400
Subject: [PATCH] [libvpx] Fix pthread configure checks: "Null pointer passed
 as an argument to a 'nonnull' parameter"

---
 libs/libvpx/build/make/configure.sh | 4 +++-
 libs/libvpx/configure               | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/libs/libvpx/build/make/configure.sh b/libs/libvpx/build/make/configure.sh
index 4c82b83e48..45f97adacd 100644
--- a/libs/libvpx/build/make/configure.sh
+++ b/libs/libvpx/build/make/configure.sh
@@ -1520,7 +1520,9 @@ EOF
         check_header pthread.h && check_lib -lpthread <<EOF && add_extralibs -lpthread || disable_feature pthread_h
 #include <pthread.h>
 #include <stddef.h>
-int main(void) { return pthread_create(NULL, NULL, NULL, NULL); }
+void *thread_check (void *);
+void *thread_check (void *obj){ return obj;};
+int main(void) { pthread_t thread_id; return pthread_create(&thread_id, NULL, thread_check, NULL); }
 EOF
         ;;
     esac
diff --git a/libs/libvpx/configure b/libs/libvpx/configure
index e2397ae49f..fb4d7b4ba8 100755
--- a/libs/libvpx/configure
+++ b/libs/libvpx/configure
@@ -596,7 +596,9 @@ EOF
     check_header pthread.h && check_lib -lpthread <<EOF || disable_feature pthread_h
 #include <pthread.h>
 #include <stddef.h>
-int main(void) { return pthread_create(NULL, NULL, NULL, NULL); }
+void *thread_check (void *);
+void *thread_check (void *obj){ return obj;};
+int main(void) { pthread_t thread_id; return pthread_create(&thread_id, NULL, thread_check, NULL); }
 EOF
     check_header unistd.h # for sysconf(3) and friends.