graphics/OpenSubdiv: Script improvement.

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

graphics/OpenSubdiv/OpenSubdiv.SlackBuild

@@ -76,7 +76,10 @@ cd build
     -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
     -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
     -DCMAKE_INSTALL_PREFIX=/usr \
+    -DCMAKE_LIBDIR_BASE=lib${LIBDIRSUFFIX} \
+    -DCMAKE_DOCDIR_BASE=doc/$PRGNAM-$VERSION \
     -DCMAKE_BUILD_TYPE=Release ..
+
   make
   make install DESTDIR=$PKG
 cd ..
@@ -88,5 +91,11 @@ mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
 cp -rf documentation/* $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
+# Can't have tutorials directory in /usr/bin
+mv $PKG/usr/bin/tutorials $PKG/usr/doc/$PRGNAM-$VERSION/
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
 cd $PKG
 /sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}

graphics/OpenSubdiv/README

@@ -2,3 +2,7 @@ OpenSubdiv is a set of open source libraries that implement high performance
 subdivision surface (subdiv) evaluation on massively parallel CPU and 
 GPU architectures. This code path is optimized for drawing deforming surfaces 
 with static topology at interactive framerates.
+
+Additional utility is available in OpenSubdiv when the following SBo packages
+are installed and detected at build time:
+    tbb cudatoolkit opencl-headers glfw docutils

graphics/OpenSubdiv/slack-desc

@@ -6,7 +6,7 @@
 # customary to leave one space after the ':' except on otherwise blank lines.
 
           |-----handy-ruler------------------------------------------------------|
-OpenSubdiv: OpenSubDiv (The OpenSubdiv Library)
+OpenSubdiv: OpenSubdiv (The OpenSubdiv Library)
 OpenSubdiv:
 OpenSubdiv: OpenSubdiv is a set of open source libraries that implement high
 OpenSubdiv: performance subdivision surface (subdiv) evaluation on massively