--- msgpack-1.4.2/ac/config.sub.orig	2016-05-27 11:12:07.000000000 +0200

+++ msgpack-1.4.2/ac/config.sub	2016-06-24 10:14:58.837745200 +0200

@@ -804,6 +804,10 @@

 	microblaze*)

 		basic_machine=microblaze-xilinx

 		;;

+	midipix*)

+		basic_machine=x86_64-pc

+		os=-midipix

+		;;

 	mingw64)

 		basic_machine=x86_64-pc

 		os=-mingw64

@@ -1384,7 +1388,7 @@

 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \

 	      | -chorusos* | -chorusrdb* | -cegcc* \

 	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \

-	      | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \

+	      | -midipix* | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \

 	      | -linux-newlib* | -linux-musl* | -linux-uclibc* \

 	      | -uxpv* | -beos* | -mpeix* | -udk* | -moxiebox* \

 	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \

--- msgpack-1.4.2/configure.orig	2016-05-27 11:12:08.000000000 +0200

+++ msgpack-1.4.2/configure	2016-06-24 10:29:44.723623500 +0200

@@ -2766,7 +2766,7 @@

 if test "`cd $srcdir && pwd`" != "`pwd`"; then

   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output

   # is not polluted with repeated "-I."

-  am__isrc=' -I$(srcdir)'

+  am__isrc=' -I$(srcdir) -I$(srcdir)/../include'

   # test to see if srcdir already configured

   if test -f $srcdir/config.status; then

     as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5