Initial commit

added libraries:
opus
flac
libsndfile

updated:
libvorbis
libogg
openal

- Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.

Engine/lib/libvorbis/.gitlab-ci.yml

@@ -0,0 +1,27 @@
+default:
+  tags:
+    - docker
+  # Image from https://hub.docker.com/_/gcc/ based on Debian
+  image: gcc:9
+
+autoconf:
+  stage: build
+  before_script:
+    - apt-get update &&
+      apt-get install -y libogg-dev zip doxygen
+  script:
+    - ./autogen.sh
+    - ./configure
+    - make
+    - make distcheck
+
+cmake:
+  stage: build
+  before_script:
+    - apt-get update &&
+      apt-get install -y libogg-dev zip doxygen
+        cmake ninja-build
+  script:
+    - mkdir build
+    - cmake -S . -B build -G "Ninja" -DCMAKE_BUILD_TYPE=Release
+    - cmake --build build