m4 compatibility for solaris

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@292 c26eb9a1-5813-0410-bd6c-c2e55f420ca7

config.m4

@@ -76,6 +76,10 @@ if test "$PHP_XCACHE" != "no"; then
   AC_PATH_PROGS([M4], [m4])
   if echo | "$M4" -E > /dev/null 2>&1 ; then
     M4="$M4 -E"
+  fi
+   dnl fix for solaris m4: size of the push-back and argument
+  if echo | "$M4" -B 102400 > /dev/null 2>&1 ; then
+    M4="$M4 -B 102400"
   fi
   PHP_SUBST([M4])
   AC_PATH_PROGS([GREP], [grep])

processor/main.m4

@@ -12,6 +12,10 @@ define(`MAKE_MACRONAME', `translit(`$1', ` ():
 define(`ONCE', `ifdef(MAKE_MACRONAME(`ONCE $1'), `', `define(MAKE_MACRONAME(`ONCE $1'))$1')')
 define(`m4_errprint', `ONCE(`errprint(`$1
 ')')')
+ifdef(`len', `
+define(`m4_len', defn(`len'))
+undefine(`len')
+')
 define(`ZEND_STRS', `($1), (sizeof($1))')
 define(`ZEND_STRL', `($1), (sizeof($1) - 1)')
 dnl ============