From 97ea66a045d0467670e3cc071ad8fce2ad79d9bc Mon Sep 17 00:00:00 2001
From: "Stig S. Bakken" <stig@php.net>
Date: Wed, 12 May 1999 20:11:42 +0000
Subject: [PATCH] add --enable-thread-safety option

---
 Zend/acconfig.h   |  3 +++
 Zend/configure.in | 11 +++++++++++
 2 files changed, 14 insertions(+)

diff --git a/Zend/acconfig.h b/Zend/acconfig.h
index 01c935374c..7a80526f55 100644
--- a/Zend/acconfig.h
+++ b/Zend/acconfig.h
@@ -45,3 +45,6 @@
 
 /* Define if you have broken sprintf function like SunOS 4 */
 #define BROKEN_SPRINTF 0
+
+/* Define to compile Zend thread safe */
+#undef ZTS
diff --git a/Zend/configure.in b/Zend/configure.in
index f839ef079a..fa895fb091 100644
--- a/Zend/configure.in
+++ b/Zend/configure.in
@@ -122,6 +122,17 @@ AC_ARG_ENABLE(memory-limit,
 ]) 
 
 
+AC_MSG_CHECKING(whether to build Zend thread-safe)
+AC_ARG_ENABLE(thread-safety,
+[  --enable-thread-safety  Whether to build Zend thread-safe.],[
+  AC_DEFINE(ZTS)
+  AC_MSG_RESULT(yes)
+],[
+  AC_MSG_RESULT(no)
+])
+AC_SUBST(TSRM_DIR)
+AC_SUBST(TSRM_LIB)
+
 AC_SUBST(CFLAGS_SHLIB)
 AC_SUBST(LDFLAGS_SHLIB)
 AC_SUBST(LDFLAGS_SHLIB_EXPORT)
-- 
2.50.1