From dad50a6dfe40ae86029368a879105aaa6d0c0e08 Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Wed, 5 Dec 2001 18:33:38 +0000
Subject: [PATCH] (HAVE_VFORK): Define if undefined.

---
 src/ChangeLog  | 4 ++++
 src/s/sol2-5.h | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/src/ChangeLog b/src/ChangeLog
index 0187c639c44..4353ed6b64f 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2001-12-05  Eli Zaretskii  <eliz@is.elta.co.il>
+
+	* s/sol2-5.h (HAVE_VFORK): Define if undefined.
+
 2001-11-29  Dave Love  <fx@gnu.org>
 
 	* coding.c (syms_of_coding) <Qchar_coding_system>: Give it an
diff --git a/src/s/sol2-5.h b/src/s/sol2-5.h
index 9931e97d375..913efeefe8e 100644
--- a/src/s/sol2-5.h
+++ b/src/s/sol2-5.h
@@ -24,6 +24,11 @@
 
 #undef USE_MMAP_FOR_BUFFERS
 
+/* This prevents crashes in "M-x shell".  */
+#ifndef HAVE_VFORK
+#define HAVE_VFORK 1
+#endif
+
 #if 0 /* A recent patch in unexelf.c should eliminate the need for this.  */
 /* Don't use the shared libraries for -lXt and -lXaw,
    to work around a linker bug in Solaris 2.5.
-- 
2.39.2