Add ci build script for macOS.

scripts/bootstrap-ci-macos-build.sh

@@ -0,0 +1,24 @@
+curdir=`pwd`
+
+builddir=${curdir}/build
+
+rm -rf ${builddir}
+mkdir ${builddir}
+
+# Use local installation of Python
+# (Pleae build it using ci-build-python-lib.sh)
+
+#  -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+cd ${builddir} && CXX=clang++ CC=clang cmake \
+  -DCMAKE_VERBOSE_MAKEFILE=1 \
+  -DTINYUSDZ_WITH_OPENSUBDIV=1 \
+  -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+  -DTINYUSDZ_WITH_EXR=1 \
+  -DTINYUSDZ_PREFER_LOCAL_PYTHON_INSTALLATION=1 \
+  -DPython3_EXECUTABLE=${curdir}/ci/dist/python/bin/python \
+  -DTINYUSDZ_WITH_PYTHON=1 \
+  -DTINYUSDZ_BUILD_BENCHMARKS=1 \
+  -DSANITIZE_ADDRESS=0 \
+  -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+  ..
+