diff -u -r ../php-5.6.15/ext/fileinfo/config.m4 ./ext/fileinfo/config.m4
--- ../php-5.6.15/ext/fileinfo/config.m4	2015-10-29 05:55:01.000000000 -0400
+++ ./ext/fileinfo/config.m4	2015-11-10 15:12:46.711364773 -0500
@@ -46,6 +46,9 @@
     AC_MSG_RESULT(no)
     AC_MSG_NOTICE(using libmagic strcasestr implementation)
     libmagic_sources="$libmagic_sources libmagic/strcasestr.c"
+  ],[
+    AC_MSG_RESULT(yes)
+    AC_MSG_NOTICE(cross compiling - assuming strcasestr works)
   ])
 
   PHP_NEW_EXTENSION(fileinfo, fileinfo.c $libmagic_sources, $ext_shared,,-I@ext_srcdir@/libmagic)