Add ARM Linux build config.

Author: bruvzg

.github/workflows/ci.yml

@@ -1,6 +1,7 @@
 name: Godot AceessKit-C static libs
 
 on:
+  push:
   pull_request:
 
 jobs:
@@ -67,6 +68,16 @@ jobs:
           - os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
             path: linux/x86_64
+          - os: ubuntu-latest
+            target: aarch64-unknown-linux-gnu
+            setup-step: curl -L -O https://github.com/godotengine/buildroot/releases/download/godot-2023.08.x-4/aarch64-godot-linux-gnu_sdk-buildroot.tar.bz2 && tar -xf ./aarch64-godot-linux-gnu_sdk-buildroot.tar.bz2 && rm aarch64-godot-linux-*.bz2 && mv aarch64-godot-linux-* "$HOME/godot-sdk" && pushd $HOME/godot-sdk && ./relocate-sdk.sh && popd && echo "$HOME/godot-sdk/bin" >> $GITHUB_PATH
+            cmake-options: -DCMAKE_SYSTEM_NAME=Linux -DCMAKE_SYSTEM_PROCESSOR=arm64 -DCMAKE_C_COMPILER=$HOME/godot-sdk/bin/aarch64-godot-linux-gnu-cc -DCMAKE_CXX_COMPILER=$HOME/godot-sdk/bin/aarch64-godot-linux-gnu-c++
+            path: linux/arm64
+          - os: ubuntu-latest
+            target: arm-unknown-linux-gnueabihf
+            setup-step: curl -L -O https://github.com/godotengine/buildroot/releases/download/godot-2023.08.x-4/arm-godot-linux-gnueabihf_sdk-buildroot.tar.bz2 && tar -xf ./arm-godot-linux-gnueabihf_sdk-buildroot.tar.bz2 && rm arm-godot-linux-*.bz2 && mv arm-godot-linux-* "$HOME/godot-sdk" && pushd $HOME/godot-sdk && ./relocate-sdk.sh && popd && git apply ./godot-pathces/patch_arm32.diff && echo "$HOME/godot-sdk/bin" >> $GITHUB_PATH
+            cmake-options: -DCMAKE_SYSTEM_NAME=Linux -DCMAKE_SYSTEM_PROCESSOR=arm32 -DCMAKE_C_COMPILER=$HOME/godot-sdk/bin/arm-godot-linux-gnueabihf-cc -DCMAKE_CXX_COMPILER=$HOME/godot-sdk/bin/arm-godot-linux-gnueabihf-c++
+            path: linux/arm32
 
     name: Build
     steps:

.github/workflows/publish.yml

@@ -67,6 +67,16 @@ jobs:
           - os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
             path: linux/x86_64
+          - os: ubuntu-latest
+            target: aarch64-unknown-linux-gnu
+            setup-step: curl -L -O https://github.com/godotengine/buildroot/releases/download/godot-2023.08.x-4/aarch64-godot-linux-gnu_sdk-buildroot.tar.bz2 && tar -xf ./aarch64-godot-linux-gnu_sdk-buildroot.tar.bz2 && rm aarch64-godot-linux-*.bz2 && mv aarch64-godot-linux-* "$HOME/godot-sdk" && pushd $HOME/godot-sdk && ./relocate-sdk.sh && popd && echo "$HOME/godot-sdk/bin" >> $GITHUB_PATH
+            cmake-options: -DCMAKE_SYSTEM_NAME=Linux -DCMAKE_SYSTEM_PROCESSOR=arm64 -DCMAKE_C_COMPILER=$HOME/godot-sdk/bin/aarch64-godot-linux-gnu-cc -DCMAKE_CXX_COMPILER=$HOME/godot-sdk/bin/aarch64-godot-linux-gnu-c++
+            path: linux/arm64
+          - os: ubuntu-latest
+            target: arm-unknown-linux-gnueabihf
+            setup-step: curl -L -O https://github.com/godotengine/buildroot/releases/download/godot-2023.08.x-4/arm-godot-linux-gnueabihf_sdk-buildroot.tar.bz2 && tar -xf ./arm-godot-linux-gnueabihf_sdk-buildroot.tar.bz2 && rm arm-godot-linux-*.bz2 && mv arm-godot-linux-* "$HOME/godot-sdk" && pushd $HOME/godot-sdk && ./relocate-sdk.sh && popd && git apply ./godot-pathces/patch_arm32.diff && echo "$HOME/godot-sdk/bin" >> $GITHUB_PATH
+            cmake-options: -DCMAKE_SYSTEM_NAME=Linux -DCMAKE_SYSTEM_PROCESSOR=arm32 -DCMAKE_C_COMPILER=$HOME/godot-sdk/bin/arm-godot-linux-gnueabihf-cc -DCMAKE_CXX_COMPILER=$HOME/godot-sdk/bin/arm-godot-linux-gnueabihf-c++
+            path: linux/arm32
 
     name: Build
     steps:

godot-pathces/patch_arm32.diff

@@ -0,0 +1,16 @@
+diff --git a/accesskit.cmake b/accesskit.cmake
+index 3c6eb48..aa9a9b6 100644
+--- a/accesskit-c/accesskit.cmake
++++ b/accesskit-c/accesskit.cmake
+@@ -31,8 +31,10 @@ elseif (WIN32)
+ endif()
+ 
+ if (NOT _accesskit_arch)
+-   if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(AMD64|amd64|x86_64)$")
++    if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(AMD64|amd64|x86_64)$")
+         set(_accesskit_arch x86_64)
++    elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^(ARM32|arm32)$")
++        set(_accesskit_arch arm32)
+     elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^(ARM64|arm64|aarch64)$")
+         set(_accesskit_arch arm64)
+     elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^(X86|x86|i686)$")