Experimental homebrew dependency build

scripts/macosx-build-homebrew.sh

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+#!/bin/sh -e
+#
+# This script builds all library dependencies of OpenSCAD for Mac OS X.
+# The libraries will be built in 64-bit mode and backwards compatible with 10.7 "Lion".
+# 
+# This script must be run from the OpenSCAD source root directory
+#
+# Usage: macosx-build-dependencies.sh [-d]
+#  -d   Build for deployment (if not specified, e.g. Sparkle won't be built)
+#
+# Prerequisites:
+# - Xcode
+#
+# FIXME:
+# o Verbose option
+# o Force rebuild vs. only rebuild changes
+#
+
+OPENSCADDIR=$PWD
+BASEDIR=$OPENSCADDIR/../libraries
+DEPLOYDIR=$BASEDIR/homebrew
+MAC_OSX_VERSION_MIN=10.7
+export QMAKESPEC=unsupported/macx-clang
+
+OPTION_DEPLOY=false
+
+printUsage()
+{
+  echo "Usage: $0 [-d]"
+  echo
+  echo "  -d   Build for deployment"
+}
+
+if [ ! -f $OPENSCADDIR/openscad.pro ]; then
+  echo "Must be run from the OpenSCAD source root directory"
+  exit 0
+fi
+
+while getopts 'd' c
+do
+  case $c in
+    d) OPTION_DEPLOY=true;;
+  esac
+done
+
+OSX_VERSION=`sw_vers -productVersion | cut -d. -f2`
+if (( $OSX_VERSION >= 9 )); then
+  echo "Detected Mavericks (10.9) or later"
+elif (( $OSX_VERSION >= 8 )); then
+  echo "Detected Mountain Lion (10.8)"
+elif (( $OSX_VERSION >= 7 )); then
+  echo "Detected Lion (10.7)"
+else
+  echo "Detected Snow Leopard (10.6) or earlier"
+fi
+
+echo "Building for $MAC_OSX_VERSION_MIN or later"
+
+echo "Using basedir:" $BASEDIR
+
+# Homebrew doesn't support building for other OS X versions than the current,
+# but we can do this with environment variables
+export MACOSX_DEPLOYMENT_TARGET=$MAC_OSX_VERSION_MIN
+
+# Don't use bottles, as they might be built with the wrong deployment target
+export HOMEBREW_BUILD_FROM_SOURCE=1
+
+for formula in qt eigen boost cgal glew glib opencsg; do
+  brew install openscad/tap/$formula
+done
+if $OPTION_DEPLOY; then
+  brew install --HEAD openscad/tap/sparkle
+fi

setenv_mac-homebrew.sh

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+export OPENSCAD_LIBRARIES=$PWD/../libraries/homebrew
+export DYLD_LIBRARY_PATH=$OPENSCAD_LIBRARIES/lib
+export DYLD_FRAMEWORK_PATH=$OPENSCAD_LIBRARIES/lib
+export QMAKESPEC=unsupported/macx-clang
+
+# Our own Qt
+export PATH=$OPENSCAD_LIBRARIES/bin:$PATH
+
+# ccache:
+export PATH=/opt/local/libexec/ccache:$PATH
+export CCACHE_BASEDIR=$PWD/..