WCOREDUMP is in <sys/wait.h>

Without this, $? & 128 doesn't get set properly on some (glibc) systems
when dumping core.

1 files changed, 5 insertions, 0 deletions

diff --git a/perl.h b/perl.h
index 7d22338616..c6008bb587 100644
--- a/perl.h
+++ b/perl.h
@@ -677,6 +677,11 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
 #   include <unistd.h>
 #endif
 
+/* for WCOREDUMP */
+#ifdef I_SYS_WAIT
+#   include <sys/wait.h>
+#endif
+
 #ifdef __SYMBIAN32__
 #   undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
 #endif