diff --git a/relion-3.0.5-0.build.sh b/relion-3.0.5-0.build.sh
new file mode 100755
index 0000000..b96c6ab
--- /dev/null
+++ b/relion-3.0.5-0.build.sh
@@ -0,0 +1,54 @@
+#! /bin/sh
+
+PKG=relion
+VERSION=3.0.5
+SRC=https://github.com/3dem/relion/archive/$VERSION.tar.gz
+BUILD=0
+
+
+PREFIX=/pkg/$PKG-$VERSION-$BUILD
+if [ -n "$TESTING" ]; then PREFIX=/dev/shm/$PKG-$VERSION-$BUILD ; fi
+
+set -xe
+umask 022
+
+BUILD_TMPDIR=/dev/shm/$PKG-$VERSION-$BUILD.build.tmp
+test -d $BUILD_TMPDIR && ( chmod -R u+rwx $BUILD_TMPDIR || true ; rm -rf $BUILD_TMPDIR )
+mkdir -p $BUILD_TMPDIR/home
+export TMPDIR=$BUILD_TMPDIR
+export HOME=$BUILD_TMPDIR/home
+
+exec </dev/null
+
+mkdir -p $PREFIX
+cat >$PREFIX/profile <<-EOF
+	PATH=$PREFIX/bin:\$PATH
+	if [ -d $PREFIX/.compatlibs ]; then export LD_LIBRARY_PATH=$PREFIX/.compatlibs\${LD_LIBRARY_PATH:+:\$LD_LIBRARY_PATH} ; fi
+EOF
+. $PREFIX/profile
+
+export MAKEFLAGS="-j $(nproc)"
+
+BUILDDIR=$PREFIX/build
+
+mkdir -p $BUILDDIR
+cd $BUILDDIR
+
+
+test -e $VERSION.tar.gz || wget $SRC
+test -d $PKG-$VERSION || tar xvf $VERSION.tar.gz
+cd $PKG-$VERSION
+
+mkdir -p cmake_build
+cd cmake_build
+cmake \
+  -DCMAKE_INSTALL_PREFIX=$PREFIX \
+  -DCMAKE_COLOR_MAKEFILE=OFF \
+  -DCMAKE_VERBOSE_MAKEFILE=ON \
+  -DFORCE_OWN_FLTK=ON \
+  ..
+
+make -j $(nproc)
+make install
+
+exit