Update build system

scripts/setup_build

@@ -1,8 +1,30 @@
 #! /usr/bin/env bash
-project=`pwd`/
-buildDir="build/sdl"
+
+set -e
+
+project=$(pwd)/
+
+TARGET=$1
+BUILD_TYPE=$2
+
+if [[ $TARGET == windows ]]; then
+	toolchain="-DCMAKE_TOOLCHAIN_FILE=cmake/Modules/Mingw.cmake"
+elif [[ $TARGET == gba ]]; then
+	toolchain="-DCMAKE_TOOLCHAIN_FILE=cmake/Modules/GBA.cmake -DWOMBAT_BUILD_TYPE=GBA"
+fi
+
+if [[ $BUILD_TYPE == debug ]]; then
+	buildTypeArgs="-DUSE_ASAN=ON -DCMAKE_BUILD_TYPE=Debug"
+	buildDir="build/${TARGET}-debug"
+else
+	buildTypeArgs="-DCMAKE_BUILD_TYPE=Release"
+	buildDir="build/${TARGET}-release"
+fi
 
 mkdir -p $buildDir
 pushd $buildDir
-cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_BUILD_TYPE=Release $project
+cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+      $buildTypeArgs \
+      $toolchain \
+      $project
 popd

scripts/setup_build_debug

@@ -1,8 +0,0 @@
-#! /usr/bin/env bash
-project=`pwd`
-buildDir="build/sdl_debug"
-
-mkdir -p $buildDir
-pushd $buildDir
-cmake -DUSE_ASAN=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_BUILD_TYPE=Debug $project
-popd

scripts/setup_build_gba

@@ -1,8 +0,0 @@
-#! /usr/bin/env bash
-project=`pwd`
-buildDir="build/gba"
-
-mkdir -p $buildDir
-pushd $buildDir
-cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_TOOLCHAIN_FILE=cmake/Modules/GBA.cmake -DWOMBAT_BUILD_TYPE=GBA $project
-popd