From: Vincent Pit <vince@profvince.com>
Date: Tue, 14 Apr 2015 16:50:58 +0000 (-0300)
Subject: Allow disabling thread safety in Makefile.PL
X-Git-Tag: v0.57~7
X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FVariable-Magic.git;a=commitdiff_plain;h=432cd8420b1c4c1d963efd13695497095fde9bd0

Allow disabling thread safety in Makefile.PL

Note that thread safety still cannot be forcefully enabled if the necessary
macros are not defined.
---

diff --git a/Magic.xs b/Magic.xs
index 947ae72..e6c2fdf 100644
--- a/Magic.xs
+++ b/Magic.xs
@@ -62,7 +62,9 @@
 #endif
 
 #if VMG_MULTIPLICITY && defined(USE_ITHREADS) && defined(dMY_CXT) && defined(MY_CXT) && defined(START_MY_CXT) && defined(MY_CXT_INIT) && (defined(MY_CXT_CLONE) || defined(dMY_CXT_SV))
-# define VMG_THREADSAFE 1
+# ifndef VMG_THREADSAFE
+#  define VMG_THREADSAFE 1
+# endif
 # ifndef MY_CXT_CLONE
 #  define MY_CXT_CLONE \
     dMY_CXT_SV;                                                      \
@@ -71,6 +73,7 @@
     sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
 # endif
 #else
+# undef  VMG_THREADSAFE
 # define VMG_THREADSAFE 0
 # undef  dMY_CXT
 # define dMY_CXT      dNOOP