LIBRETRO: Add .gitlab-ci.yml

This allows libretro CI/CD to automatically test new commits

.gitlab-ci.yml

+# DESCRIPTION: GitLab CI/CD for libRetro (NOT FOR GitLab-proper)
+
+##############################################################################
+################################# BOILERPLATE ################################
+##############################################################################
+
+# Core definitions
+.core-defs:
+  variables:
+    JNI_PATH: .
+    CORENAME: jaxe
+    MAKEFILE: Makefile.libretro
+    GIT_SUBMODULE_STRATEGY: recursive
+
+# Inclusion templates, required for the build to work
+include:
+  ################################## DESKTOPS ################################
+  # Windows 64-bit
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/windows-x64-mingw.yml'
+    
+  # Windows 32-bit
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/windows-i686-mingw.yml'
+
+  # Linux 64-bit
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/linux-x64.yml'
+
+  # Linux 32-bit
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/linux-i686.yml'
+
+  # MacOS 64-bit
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/osx-x64.yml'
+
+  # MacOS ARM 64-bit
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/osx-arm64.yml'
+
+  # MacOS PPC
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/osx-ppc.yml'
+
+  ################################## CELLULAR ################################
+  # Android
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/android-jni.yml'
+
+  # iOS
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/ios-arm64.yml'
+
+  # iOS (armv7)
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/ios9.yml'
+
+  ################################## CONSOLES ################################
+  # PlayStation Portable
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/psp-static.yml'
+
+  # PlayStation Vita
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/vita-static.yml'
+
+  # PlayStation2
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/ps2-static.yml'
+
+  # Nintendo 3DS
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/ctr-static.yml'
+
+  # Nintendo GameCube
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/ngc-static.yml'
+
+  # Nintendo Wii
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/wii-static.yml'
+
+  # Nintendo WiiU
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/wiiu-static.yml'
+
+  # Nintendo Switch
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/libnx-static.yml'
+
+  # OpenDingux
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/dingux-mips32.yml'
+
+  # OpenDingux
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/dingux-arm32.yml'
+
+  # tvOS (AppleTV)
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/tvos-arm64.yml'
+
+  #################################### MISC ##################################
+  # Emscripten
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/emscripten-static.yml'
+
+# Stages for building
+stages:
+  - build-prepare
+  - build-shared
+  - build-static
+
+##############################################################################
+#################################### STAGES ##################################
+##############################################################################
+#
+################################### DESKTOPS #################################
+# Windows 64-bit
+libretro-build-windows-x64:
+  extends:
+    - .libretro-windows-x64-mingw-make-default
+    - .core-defs
+    
+# Windows 32-bit
+libretro-build-windows-i686:
+  extends:
+    - .libretro-windows-i686-mingw-make-default
+    - .core-defs
+
+# Linux 64-bit
+libretro-build-linux-x64:
+  extends:
+    - .libretro-linux-x64-make-default
+    - .core-defs
+
+# Linux 32-bit
+libretro-build-linux-i686:
+  extends:
+    - .libretro-linux-i686-make-default
+    - .core-defs
+
+# MacOS 64-bit
+libretro-build-osx-x64:
+  extends:
+    - .libretro-osx-x64-make-default
+    - .core-defs
+
+# MacOS ARM 64-bit
+libretro-build-osx-arm64:
+  extends:
+    - .libretro-osx-arm64-make-default
+    - .core-defs
+
+# MacOS PPC
+libretro-build-osx-ppc:
+  extends:
+    - .libretro-osx-ppc-make-default
+    - .core-defs
+
+################################### CELLULAR #################################
+# Android ARMv7a
+android-armeabi-v7a:
+  extends:
+    - .libretro-android-jni-armeabi-v7a
+    - .core-defs
+
+# Android ARMv8a
+android-arm64-v8a:
+  extends:
+    - .libretro-android-jni-arm64-v8a
+    - .core-defs
+
+# Android 64-bit x86
+android-x86_64:
+  extends:
+    - .libretro-android-jni-x86_64
+    - .core-defs
+    
+# Android 32-bit x86
+android-x86:
+  extends:
+    - .libretro-android-jni-x86
+    - .core-defs
+
+# iOS
+libretro-build-ios-arm64:
+  extends:
+    - .libretro-ios-arm64-make-default
+    - .core-defs
+
+# iOS (armv7) [iOS 9 and up]
+libretro-build-ios9:
+  extends:
+    - .libretro-ios9-make-default
+    - .core-defs
+    
+# tvOS
+libretro-build-tvos-arm64:
+  extends:
+    - .libretro-tvos-arm64-make-default
+    - .core-defs
+
+################################### CONSOLES #################################
+# PlayStation Portable
+libretro-build-psp:
+  extends:
+    - .libretro-psp-static-retroarch-master
+    - .core-defs
+
+# PlayStation Vita
+libretro-build-vita:
+  extends:
+    - .libretro-vita-static-retroarch-master
+    - .core-defs
+
+# PlayStation2
+libretro-build-ps2:
+  extends:
+    - .libretro-ps2-static-retroarch-master
+    - .core-defs
+
+# Nintendo 3DS
+libretro-build-ctr:
+  extends:
+    - .libretro-ctr-static-retroarch-master
+    - .core-defs
+
+# Nintendo GameCube
+libretro-build-ngc:
+  extends:
+    - .libretro-ngc-static-retroarch-master
+    - .core-defs
+
+# Nintendo Wii
+libretro-build-wii:
+  extends:
+    - .libretro-wii-static-retroarch-master
+    - .core-defs
+
+# Nintendo WiiU
+libretro-build-wiiu:
+  extends:
+    - .libretro-wiiu-static-retroarch-master
+    - .core-defs
+
+# Nintendo Switch
+libretro-build-libnx-aarch64:
+  extends:
+    - .libretro-libnx-static-retroarch-master
+    - .core-defs
+
+# OpenDingux
+libretro-build-dingux-mips32:
+  extends:
+    - .libretro-dingux-mips32-make-default
+    - .core-defs
+
+# OpenDingux Beta
+libretro-build-dingux-odbeta-mips32:
+  extends:
+    - .libretro-dingux-odbeta-mips32-make-default
+    - .core-defs
+
+# OpenDingux
+libretro-build-dingux-arm32:
+  extends:
+    - .libretro-miyoo-arm32-make-default
+    - .core-defs
+
+# RetroFW
+libretro-build-retrofw-mips32:
+  extends:
+    - .libretro-retrofw-mips32-make-default
+    - .core-defs
+
+#################################### MISC ##################################
+# Emscripten
+libretro-build-emscripten:
+  extends:
+    - .libretro-emscripten-static-retroarch-master
+    - .core-defs