Slight improvement to the build setup

CI/before_script.msvc.sh

@@ -1,42 +1,86 @@
 #!/bin/bash
 
 while [ $# -gt 0 ]; do
-	ARG=$1
+	ARGSTR=$1
 	shift
 
+	if [ ${ARGSTR:0:1} != "-" ]; then
+		echo "Unknown argument $ARGSTR"
+		echo "Try '$0 -h'"
+		exit 1
+	fi
+
+	for (( i=1; i<${#ARGSTR}; i++ )); do
+		ARG=${ARGSTR:$i:1}
 		case $ARG in
-		-v )
+			V )
 				VERBOSE=true ;;
 
-		-d )
+			v )
+				VS_VERSION=$1
+				shift ;;
+
+			d )
 				SKIP_DOWNLOAD=true ;;
 
-		-e )
+			e )
 				SKIP_EXTRACT=true ;;
 
-		-k )
+			k )
 				KEEP=true ;;
 
-		-u )
+			u )
 				UNITY_BUILD=true ;;
 
-		-p )
+			p )
 				PLATFORM=$1
 				shift ;;
 
-		-c )
+			c )
 				CONFIGURATION=$1
 				shift ;;
 
+			h )
+				cat <<EOF
+Usage: $0 [-cdehkpuvV]
+
+Options:
+	-c <Release/Debug>
+		Set the configuration, can also be set with environment variable CONFIGURATION.
+	-d
+		Skip checking the downloads.
+	-e
+		Skip extracting dependencies.
+	-h
+		Show this message.
+	-k
+		Keep the old build directory, default is to delete it.
+	-p <Win32/Win64>
+		Set the build platform, can also be set with environment variable PLATFORM.
+	-u
+		Configure for unity builds.
+	-v <2013/2015>
+		Choose the Visual Studio version to use.
+	-V
+		Run verbosely
+EOF
+				exit 0
+				;;
+
 			* )
-			echo "Unknown arg $ARG."
+				echo "Unknown argument $ARG."
+				echo "Try '$0 -h'"
 				exit 1 ;;
 		esac
+	done
 done
 
 if [ -z $VERBOSE ]; then
 	STRIP="> /dev/null 2>&1"
 fi
+if [ -z $VS_VERSION ]; then
+	VS_VERSION="2013"
+fi
 
 if [ -z $APPVEYOR ]; then
 	echo "Running prebuild outside of Appveyor."
@@ -148,14 +192,27 @@ if [ -z $CONFIGURATION ]; then
 	CONFIGURATION="Debug"
 fi
 
+case $VS_VERSION in
+	14|2015 )
+		GENERATOR="Visual Studio 14 2015"
+		XP_TOOLSET="v140_xp"
+		;;
+
+#	12|2013|
+	* )
+		GENERATOR="Visual Studio 12 2013"
+		XP_TOOLSET="v120_xp"
+		;;
+esac
+
 case $PLATFORM in
 	x64|x86_64|x86-64|win64|Win64 )
 		ARCHNAME=x86-64
 		ARCHSUFFIX=64
 		BITS=64
 
-		BASE_OPTS="-G\"Visual Studio 12 2013 Win64\""
+		BASE_OPTS="-G\"$GENERATOR Win64\""
-		add_cmake_opts "-G\"Visual Studio 12 2013 Win64\""
+		add_cmake_opts "-G\"$GENERATOR Win64\""
 		;;
 
 	x32|x86|i686|i386|win32|Win32 )
@@ -163,8 +220,8 @@ case $PLATFORM in
 		ARCHSUFFIX=86
 		BITS=32
 
-		BASE_OPTS="-G\"Visual Studio 12 2013\" -Tv120_xp"
+		BASE_OPTS="-G\"$GENERATOR\" -T$XP_TOOLSET"
-		add_cmake_opts "-G\"Visual Studio 12 2013\"" -Tv120_xp
+		add_cmake_opts "-G\"$GENERATOR\"" -T$XP_TOOLSET
 		;;
 
 	* )

appveyor.yml

@@ -15,7 +15,8 @@ matrix:
 
 os: unstable
 
-clone_depth: 1
+shallow_clone: true
+#clone_depth: 1
 
 cache:
     - C:\projects\openmw\deps\Bullet-2.83.5-win32.7z