From bde38738580e074c25204dc9f08d584aee85c7f0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20v=2E=20L=C3=B6wis?= <martin@v.loewis.de>
Date: Sat, 14 Jun 2003 15:05:13 +0000
Subject: Backport 2.3 FreeBSD recursion_limit settings. Fixes #553736.

---
 Modules/_sre.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Modules/_sre.c b/Modules/_sre.c
index 308b726..a83cdcf 100644
--- a/Modules/_sre.c
+++ b/Modules/_sre.c
@@ -76,9 +76,23 @@ static char copyright[] =
 /* FIXME: maybe the limit should be 40000 / sizeof(void*) ? */
 #define USE_RECURSION_LIMIT 7500
 #else
+#if defined(__GNUC__) && defined(WITH_THREAD) && defined(__FreeBSD__)
+/* the pthreads library on FreeBSD has a fixed 1MB stack size for the
+ * initial (or "primary") thread, which is insufficient for the default
+ * recursion limit.  gcc 3.x at the default optimisation
+ * level (-O3) uses stack space more aggressively than gcc 2.95.
+ */
+#if (__GNUC__ > 2)
+#define USE_RECURSION_LIMIT 6500
+#else
+#define USE_RECURSION_LIMIT 7500
+#endif
+
+#else
 #define USE_RECURSION_LIMIT 10000
 #endif
 #endif
+#endif
 
 /* enables fast searching */
 #define USE_FAST_SEARCH
-- 
cgit v0.12