diff -ruN LZF-1.6.2.orig/config.m4 LZF-1.6.2/config.m4
--- LZF-1.6.2.orig/config.m4	2012-07-08 18:46:20.000000000 +0200
+++ LZF-1.6.2/config.m4	2012-10-20 19:04:57.124540254 +0200
@@ -13,6 +13,24 @@
   else
     AC_DEFINE(PHP_LZF_ULTRA_FAST,0,[ ])
   fi
-
-  PHP_NEW_EXTENSION(lzf, lzf.c lzf_c.c lzf_d.c filter.c, $ext_shared)
+  SEARCH_PATH="/usr"
+  SEARCH_FOR="/include/lzf.h"
+  AC_MSG_CHECKING([for lzf files in default path])
+  for i in $SEARCH_PATH ; do
+    if test -r $i/$SEARCH_FOR; then
+       LZF_DIR=$i
+    fi
+  done
+  dnl
+  if test -z "$LZF_DIR"; then
+    AC_MSG_RESULT([not found])
+    AC_MSG_ERROR([Please install the lzf package])
+  fi
+  PHP_ADD_INCLUDE($LZF_DIR/include)
+  dnl
+  LIBNAME=lzf
+  LIBSYMBOL=lzf_decompress
+  PHP_CHECK_LIBRARY($LIBNAME, $LIBSYMBOL, [PHP_ADD_LIBRARY_WITH_PATH($LIBNAME, $LZF_DIR/lib, LZF_SHARED_LIBADD) AC_DEFINE(HAVE_LZFLIB,1,[ ])],[AC_MSG_ERROR([lzf libs not found])], [])
+  PHP_SUBST(LZF_SHARED_LIBADD)
+  PHP_NEW_EXTENSION(lzf, lzf.c filter.c, $ext_shared)
 fi