[cmake] enable clang-cl and WoA builds (#348)

Compilation and CMake fixes for both Windows on ARM and clang-cl, meaning Windows can now be built on both MSVC and clang on both amd64 and aarch64.

Compiling on clang is *dramatically* faster so this should be useful for CI.

Co-authored-by: crueter <crueter@eden-emu.dev>
Co-authored-by: crueter <crueter@crueter.xyz>
Reviewed-on: #348
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

.ci/windows/build.sh

@@ -1,59 +1,45 @@
-#!/bin/bash -e
+#!/bin/bash -ex
 
-# SPDX-FileCopyrightText: 2025 eden Emulator Project
+# SPDX-FileCopyrightText: 2025 Eden Emulator Project
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-if [ "$DEVEL" != "true" ]; then
-    export EXTRA_CMAKE_FLAGS=("${EXTRA_CMAKE_FLAGS[@]}" -DENABLE_QT_UPDATE_CHECKER=ON)
+if [ "$COMPILER" == "clang" ]
+then
+    EXTRA_CMAKE_FLAGS+=(
+        -DCMAKE_CXX_COMPILER=clang-cl
+        -DCMAKE_C_COMPILER=clang-cl
+        -DCMAKE_CXX_FLAGS="-O3"
+        -DCMAKE_C_FLAGS="-O3"
+    )
+
+    BUILD_TYPE="RelWithDebInfo"
 fi
 
-if [ "$CCACHE" = "true" ]; then
-    export EXTRA_CMAKE_FLAGS=("${EXTRA_CMAKE_FLAGS[@]}" -DUSE_CCACHE=ON)
-fi
+[ -z "$WINDEPLOYQT" ] && { echo "WINDEPLOYQT environment variable required."; exit 1; }
 
-if [ "$BUNDLE_QT" = "true" ]; then
-    export EXTRA_CMAKE_FLAGS=("${EXTRA_CMAKE_FLAGS[@]}" -DYUZU_USE_BUNDLED_QT=ON)
-else
-    export EXTRA_CMAKE_FLAGS=("${EXTRA_CMAKE_FLAGS[@]}" -DYUZU_USE_BUNDLED_QT=OFF)
-fi
-
-if [ -z "$BUILD_TYPE" ]; then
-    export BUILD_TYPE="Release"
-fi
-
-if [ "$WINDEPLOYQT" == "" ]; then
-    echo "You must supply the WINDEPLOYQT environment variable."
-    exit 1
-fi
-
-if [ "$USE_WEBENGINE" = "true" ]; then
-    WEBENGINE=ON
-else
-    WEBENGINE=OFF
-fi
-
-if [ "$USE_MULTIMEDIA" = "false" ]; then
-    MULTIMEDIA=OFF
-else
-    MULTIMEDIA=ON
-fi
-
-export EXTRA_CMAKE_FLAGS=("${EXTRA_CMAKE_FLAGS[@]}" $@)
+echo $EXTRA_CMAKE_FLAGS
 
 mkdir -p build && cd build
 cmake .. -G Ninja \
-    -DCMAKE_BUILD_TYPE="$BUILD_TYPE" \
-    -DENABLE_QT_TRANSLATION=ON \
+    -DCMAKE_BUILD_TYPE="${BUILD_TYPE:-Release}" \
+	-DENABLE_QT_TRANSLATION=ON \
     -DUSE_DISCORD_PRESENCE=ON \
     -DYUZU_USE_BUNDLED_SDL2=ON \
+    -DBUILD_TESTING=OFF \
     -DYUZU_TESTS=OFF \
+    -DDYNARMIC_TESTS=OFF \
     -DYUZU_CMD=OFF \
     -DYUZU_ROOM_STANDALONE=OFF \
-    -DYUZU_USE_QT_MULTIMEDIA=$MULTIMEDIA \
-    -DYUZU_USE_QT_WEB_ENGINE=$WEBENGINE \
+    -DYUZU_USE_QT_MULTIMEDIA=${USE_MULTIMEDIA:-false} \
+    -DYUZU_USE_QT_WEB_ENGINE=${USE_WEBENGINE:-false} \
     -DYUZU_ENABLE_LTO=ON \
+	-DCMAKE_EXE_LINKER_FLAGS=" /LTCG" \
     -DDYNARMIC_ENABLE_LTO=ON \
-    "${EXTRA_CMAKE_FLAGS[@]}"
+    -DYUZU_USE_BUNDLED_QT=${BUNDLE_QT:-false} \
+    -DUSE_CCACHE=${CCACHE:-false} \
+    -DENABLE_QT_UPDATE_CHECKER=${DEVEL:-true} \
+    "${EXTRA_CMAKE_FLAGS[@]}" \
+    "$@"
 
 ninja
 
@@ -62,4 +48,5 @@ rm -f bin/*.pdb
 set -e
 
 $WINDEPLOYQT --release --no-compiler-runtime --no-opengl-sw --no-system-dxc-compiler --no-system-d3d-compiler --dir pkg bin/eden.exe
+
 cp bin/* pkg