Changelog: update

CHANGELOG.md

@@ -13,6 +13,7 @@
 
 - Radial, Rectangle and generators: when the Extent is set to Size, and Reformat is not checked, Bottom Left and Size can be animated.
 - add Box filter to Transform, CornerPin, GodRays, and all Distortion nodes.
+- ContactSheet: Make a contact sheet from several inputs or frames (beta)
 
 ## Version 2.2.7
 

INSTALL_OSX.md

@@ -56,7 +56,7 @@ Now, if you want to use turbojpeg instead of jpeg:
 
 And finally install the required packages:
 
-    sudo port -v install qt4-mac boost cairo expat gsed py27-pyside py27-sphinx
+    yes | sudo port -v install qt4-mac boost cairo expat gsed py27-pyside py27-sphinx
     sudo ln -s python2.7-config /opt/local/bin/python2-config
 
 Create the file /opt/local/lib/pkgconfig/glu.pc containing GLU
@@ -82,11 +82,11 @@ EOF
 
 If you intend to build the [openfx-io](https://github.com/MrKepzie/openfx-io) plugins too, you will need these additional packages:
 
-    sudo port -v install x264 +high10 libvpx +highbitdepth libraw +gpl2 openexr ffmpeg +gpl2 +high10 +highbitdepth opencolorio openimageio +natron seexpr
+    yes | sudo port -v install x264 +high10 libvpx +highbitdepth libraw +gpl2 openexr ffmpeg +gpl2 +high10 +highbitdepth opencolorio openimageio +natron seexpr
 
 and for [openfx-arena](https://github.com/olear/openfx-arena) (note that it installs a version of ImageMagick without support for many image I/O libraries):
 
-    sudo port -v install librsvg ImageMagick +natron poppler librevenge libcdr-0.1 libzip
+    yes | sudo port -v install librsvg ImageMagick +natron poppler librevenge libcdr-0.1 libzip
 
 ### Homebrew
 
@@ -337,6 +337,37 @@ It is also recommended in Xcode Preferences, select "Locations", then
 the advanced settings to set the build location to Legacy (if not,
 build files are somewhere under `~/Library/Developer/Xcode`.
 
+### Build on Xcode with openmp clang
+
+See instructions under "Using clang-omp with Xcode" at the following page https://clang-omp.github.io
+
+On Macports clang now ships with openmp by default, to install:
+sudo port install clang-4.0
+
+
+In your config.pri file, add the following lines and change the paths according to your installation of clang
+
+openmp {
+INCLUDEPATH += /opt/local/include/libomp
+LIBS += -L/opt/local/lib/libomp -liomp5
+
+cc_setting.name = CC
+cc_setting.value = /opt/local/bin/clang-mp-4.0
+cxx_setting.name = CXX
+cxx_setting.value = /opt/local/bin/clang++-mp-4.0
+QMAKE_MAC_XCODE_SETTINGS += cc_setting cxx_setting
+QMAKE_LFLAGS += "-B /usr/bin"
+
+}
+
+
+The qmake call should add CONFIG+=openmp
+
+qmake -r -spec macx-xcode CONFIG+=debug CONFIG+=enable-osmesa LLVM_PATH=/opt/llvm OSMESA_PATH=/opt/osmesa CONFIG+=openmp
+
+
+Then you can just build and run using Xcode
+
 ### Xcode caveats
 
 Whenever the .pro files change, Xcode will try to launch qmake and