build google on windows

google/test/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=1.8.1
 
 echo libVer=$libVer
@@ -29,4 +39,36 @@ mkdir -p $libSrcPath
 
 tar zxvpf $libFilePath -C $buildPath
 
-( cd $libBuildPath && cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS:BOOL=TRUE -DCMAKE_INSTALL_PREFIX:PATH=$libInstallPath $libSrcPath && make install -j)
+if [ "${machineArch}" = "Linux" ]; then
+  ( cd $libBuildPath && \
+  cmake \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DBUILD_SHARED_LIBS:BOOL=TRUE \
+  -DCMAKE_INSTALL_PREFIX:PATH=$libInstallPath \
+  $libSrcPath && \
+  make install -j)
+elif [ "${machineArch}" = "MacOS" ]; then
+  ( cd $libBuildPath && \
+  cmake \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DBUILD_SHARED_LIBS:BOOL=TRUE \
+  -DCMAKE_INSTALL_PREFIX:PATH=$libInstallPath \
+  $libSrcPath && \
+  make install -j)
+elif [ "${machineArch}" = "Windows" ]; then
+  ( cd $libBuildPath && \
+  cmake \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DBUILD_SHARED_LIBS:BOOL=TRUE \
+  -DCMAKE_INSTALL_PREFIX:PATH=$libInstallPath \
+  -G "Visual Studio 16 2019" \
+  -A x64 \
+  $libSrcPath && \
+  cmake \
+  --build . \
+  --config Release \
+  --target INSTALL)
+else
+  echo "unknown architecture"
+  exit 1
+fi