diff --git a/src/hdf4-1-portability-fixes.patch b/src/hdf4-1-portability-fixes.patch
index bef8c806..12b07ee5 100644
--- a/src/hdf4-1-portability-fixes.patch
+++ b/src/hdf4-1-portability-fixes.patch
@@ -4,13 +4,13 @@ See index.html for further information.
 --- a/configure.ac	2012-12-02 11:01:36.252405122 +0100
 +++ b/configure.ac	2012-12-02 11:00:05.580408916 +0100
 @@ -739,6 +739,7 @@
-   *-mac-*)              BAR="mac"         ;;
+   *-*-solaris2*)        BAR="solaris"     ;;
    *-apple*)             BAR="apple"       ;;
-   i686-pc-cygwin*)      BAR="linux"       ;;
+   *-pc-cygwin*)         BAR="linux"       ;;
 +  *-*-mingw*)	         BAR="linux"       ;;
    *)                    echo "*** unknown host $host!"; exit 1 ;;
  esac
- src_files="mfhdf/libsrc/config/netcdf-FOO.h:mfhdf/libsrc/netcdf.h
+ src_files=""
 --- a.hdf/src/hdfi.h	2012-12-02 11:05:59.140394129 +0100
 +++ b/hdf/src/hdfi.h	2012-12-02 11:05:32.528395313 +0100
 @@ -865,8 +865,8 @@
diff --git a/src/hdf4.mk b/src/hdf4.mk
index a78c6b6f..b987cbc5 100644
--- a/src/hdf4.mk
+++ b/src/hdf4.mk
@@ -3,8 +3,8 @@
 
 PKG             := hdf4
 $(PKG)_IGNORE   :=
-$(PKG)_VERSION  := 4.2.9
-$(PKG)_CHECKSUM := c2251642e29c7acada37d5e599e68d270088e56d
+$(PKG)_VERSION  := 4.2.10
+$(PKG)_CHECKSUM := 5163543895728dabb536a0659b3d965d55bccf74
 $(PKG)_SUBDIR   := hdf-$($(PKG)_VERSION)
 $(PKG)_FILE     := hdf-$($(PKG)_VERSION).tar.bz2
 $(PKG)_URL      := http://www.hdfgroup.org/ftp/HDF/prev-releases/HDF$($(PKG)_VERSION)/src/$($(PKG)_FILE)