building boost on windows

boost/build.sh

@@ -1,5 +1,15 @@
 #!/bin/bash
 
+unameOut="$(uname -s)"
+case "${unameOut}" in
+    Linux*)     machineArch=Linux;;
+    Darwin*)    machineArch=MacOS;;
+    CYGWIN*)    machineArch=Windows;;
+    MINGW*)     machineArch=Windows;;
+    *)          machineArch="UNKNOWN:${unameOut}"
+esac
+echo ${machineArch}
+
 libVer=1_70_0
 
 echo libVer=$libVer
@@ -29,4 +39,46 @@ mkdir -p $libSrcPath
 
 tar zxvpf $libFilePath -C $buildPath
 
-(cd $libSrcPath && ./bootstrap.sh --prefix=$libInstallPath && ./b2 --build-dir=$libBuildPath --prefix=$libInstallPath -j 4 install)
+if [ "${machineArch}" = "Linux" ]; then
+  (cd $libSrcPath && \
+  ./bootstrap.sh --prefix=$libInstallPath && \
+  ./b2 \
+  --build-dir=$libBuildPath \
+  --prefix=$libInstallPath \
+  -j 4 \
+  variant=release \
+  link=shared \
+  threading=multi \
+  runtime-link=shared \
+  address-model=64 \
+  install)
+elif [ "${machineArch}" = "MacOS" ]; then
+  (cd $libSrcPath && \
+  ./bootstrap.sh --prefix=$libInstallPath && \
+  ./b2 \
+  --build-dir=$libBuildPath \
+  --prefix=$libInstallPath \
+  -j 4 \
+  variant=release \
+  link=shared \
+  threading=multi \
+  runtime-link=shared \
+  address-model=64 \
+  install)
+elif [ "${machineArch}" = "Windows" ]; then
+  (cd $libSrcPath && \
+  ./bootstrap.bat --prefix=$libInstallPath && \
+  ./b2 \
+  --build-dir=$libBuildPath \
+  --prefix=$libInstallPath \
+  -j 4 \
+  variant=release \
+  link=shared \
+  threading=multi \
+  runtime-link=shared \
+  address-model=64 \
+  install)
+else
+  echo "unknown architecture"
+  exit 1
+fi