With FreeBSD 10.3 on a BeagleBone PCRE JIT explodes in the pcre_study()

function.

Maybe we should have a configure-time test to see if it actually works,
but for now, just make autogen.des handle it.

Conflicts:
	autogen.des

autogen.des

@@ -6,6 +6,8 @@ set -ex
 
 make -k distclean > /dev/null 2>&1 || true
 
+OPTS=""
+
 # Prefer CLANG if we have it, and have not given preferences
 if [ -f /usr/bin/clang -a "x${CC}" = "x" ] ; then
 	CC=clang
@@ -18,6 +20,10 @@ else
 	DST="--prefix=/opt/varnish --mandir=/opt/varnish/man"
 fi
 
+if [ "x`uname -po`" = "xFreeBSD armv6" ] ; then
+	OPTS="${OPTS} --disable-pcre-jit"
+fi
+
 rm -f configure
 . ./autogen.sh 2>&1 | egrep -v "(subdir-objects|is in a subdirectory)"
 
@@ -34,4 +40,5 @@ export CONFIG_SHELL=/bin/sh
     --enable-debugging-symbols \
     --enable-dependency-tracking \
     --enable-tests \
+    $OPTS \
     "$@"