ensure _GNU_SOURCE is defined when including pthread

so we can have pthread_setname_np. hopefully.
MoarVM · Jul 16, 2020 · 183becd · 183becd
1 parent 2a3290d
commit 183becd
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/moar.h b/src/moar.h
@@ -13,6 +13,14 @@
 /* platform-specific setjmp override */
 #include <platform/setjmp.h>
 
+/* If we're building for GLIBC, we need to set _GNU_SOURCE so that
+ * pthread will export pthread_setname_np for us.
+ */
+#if (2 < __GLIBC__) ||  ((2 == __GLIBC__) && (12 <= __GLIBC_MINOR__))
+#define _GNU_SOURCE
+#include <pthread.h>
+#endif
+
 /* libuv
  * must precede atomic_ops.h so we get the ordering of Winapi headers right
  */