BUILD: mention in the Makefile that USE_PCRE_JIT is for libpcre >= 8.32

JIT was introduced in 8.20 but it's said everywhere that it was
significantly improved in 8.32. Let's not tempt users of older
versions then. BTW the patch was developped on 8.32.

diff --git a/Makefile b/Makefile
index 68e2ff81cc1e2a6ecaa5aea8c46dd0d4ffd41939..5e12af85a9ab2e245cb72ab574f3f6d04e024de4 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@
 #   USE_MY_SPLICE        : redefine the splice syscall if build fails without.
 #   USE_NETFILTER        : enable netfilter on Linux. Automatic.
 #   USE_PCRE             : enable use of libpcre for regex. Recommended.
-#   USE_PCRE_JIT         : enable use of libpcre jit for regex. Recommended.
+#   USE_PCRE_JIT         : enable JIT for faster regex on libpcre >= 8.32
 #   USE_POLL             : enable poll(). Automatic.
 #   USE_PRIVATE_CACHE    : disable shared memory cache of ssl sessions.
 #   USE_REGPARM          : enable regparm optimization. Recommended on x86.