add package openblas

based on: http://hg.octave.org/mxe-octave/file/default/src/openblas.mk

index.html

@@ -1938,6 +1938,10 @@ local-pkg-list: $(LOCAL_PKG_LIST)</pre>
         <td class="package">openal</td>
         <td class="website"><a href="http://kcat.strangesoft.net/openal.html">openal</a></td>
     </tr>
+    <tr>
+        <td class="package">openblas</td>
+        <td class="website"><a href="http://www.openblas.net/">OpenBLAS</a></td>
+    </tr>
     <tr>
         <td class="package">opencore-amr</td>
         <td class="website"><a href="http://opencore-amr.sourceforge.net/">opencore-amr</a></td>

src/openblas.mk

@@ -0,0 +1,40 @@
+# This file is part of MXE.
+# See index.html for further information.
+
+PKG             := openblas
+$(PKG)_IGNORE   :=
+$(PKG)_VERSION  := 0.2.8
+$(PKG)_CHECKSUM := d012ebc2b8dcd3e95f667dff08318a81479a47c3
+$(PKG)_SUBDIR   := OpenBLAS-$($(PKG)_VERSION)
+$(PKG)_FILE     := $($(PKG)_SUBDIR).tar.gz
+$(PKG)_URL      := http://github.com/xianyi/OpenBLAS/archive/v$($(PKG)_VERSION).tar.gz
+$(PKG)_DEPS     := gcc
+
+define $(PKG)_UPDATE
+    $(WGET) -q -O- 'https://github.com/xianyi/OpenBLAS/releases' | \
+    $(SED) -n 's,.*OpenBLAS/archive/v\([0-9][^"]*\)\.tar\.gz.*,\1,p' | \
+    grep -v 'rc' | \
+    $(SORT) -V | \
+    tail -1
+endef
+
+$(PKG)_MAKE_OPTS = \
+        PREFIX='$(PREFIX)/$(TARGET)' \
+        CROSS_SUFFIX='$(TARGET)-' \
+        FC='$(TARGET)-gfortran' \
+        CC='$(TARGET)-gcc' \
+        HOSTFC='gfortran' \
+        HOSTCC='gcc' \
+        CROSS=1 \
+        NO_CBLAS=1 \
+        NO_LAPACK=1 \
+        USE_THREAD=0 \
+        TARGET=CORE2 \
+        DYNAMIC_ARCH=1 \
+        BINARY=$(if $(findstring x86_64,$(TARGET)),64,32) \
+        $(if $(BUILD_STATIC),NO_SHARED=1)
+
+define $(PKG)_BUILD
+    $(MAKE) -C '$(1)' -j '$(JOBS)' $($(PKG)_MAKE_OPTS)
+    $(MAKE) -C '$(1)' -j 1 install $($(PKG)_MAKE_OPTS)
+endef