aarch64: linux CI

.ci/build-linux-aarch64.sh

@@ -0,0 +1,39 @@
+#!/bin/sh -ex
+
+if [ -z "$CIRRUS_CI" ]; then
+   cd rpcs3 || exit 1
+fi
+
+export CC=clang
+export CXX=clang++
+
+cmake ..                                               \
+    -DCMAKE_INSTALL_PREFIX=/usr                        \
+    -DUSE_NATIVE_INSTRUCTIONS=OFF                      \
+    -DUSE_PRECOMPILED_HEADERS=OFF                      \
+    -DCMAKE_C_FLAGS="$CFLAGS"                          \
+    -DCMAKE_CXX_FLAGS="$CFLAGS"                        \
+    -DUSE_SYSTEM_CURL=ON                               \
+    -DUSE_SDL=ON                                       \
+    -DUSE_SYSTEM_SDL=ON                                \
+    -DUSE_SYSTEM_FFMPEG=OFF                            \
+    -DUSE_DISCORD_RPC=ON                               \
+    -DOpenGL_GL_PREFERENCE=LEGACY                      \
+    -DSTATIC_LINK_LLVM=ON                              \
+    -DBUILD_LLVM=OFF                                   \
+    -G Ninja
+
+ninja; build_status=$?;
+
+cd ..
+
+shellcheck .ci/*.sh
+
+# If it compiled succesfully let's deploy.
+# Azure and Cirrus publish PRs as artifacts only.
+{   [ "$CI_HAS_ARTIFACTS" = "true" ];
+} && SHOULD_DEPLOY="true" || SHOULD_DEPLOY="false"
+
+if [ "$build_status" -eq 0 ] && [ "$SHOULD_DEPLOY" = "true" ]; then
+    .ci/deploy-linux.sh "aarch64"
+fi