Merge pull request #60 from bruvzg/macos_m1

Add macOS ARM64 (Apple Silicon) support.

.github/workflows/build.yml

@@ -54,7 +54,7 @@ jobs:
           scons platform=windows target=release
 
   build-macos-debug:
-    runs-on: macos-latest
+    runs-on: macos-11
     steps:
       - uses: actions/checkout@v2
       - name: macOS Debug
@@ -64,7 +64,7 @@ jobs:
           scons platform=osx target=debug use_llvm=yes
 
   build-macos-release:
-    runs-on: macos-latest
+    runs-on: macos-11
     steps:
       - uses: actions/checkout@v2
       - name: macOS Release

.gitmodules

@@ -1,3 +1,4 @@
 [submodule "godot-cpp"]
 	path = godot-cpp
 	url = https://github.com/godotengine/godot-cpp
+	branch = 3.x

README.md

@@ -44,8 +44,6 @@ Required build tools:
 2. Run ```. ./build_libs_mac.sh Release```.
 3. Run ```scons platform=osx target=release```.
 
-**Note:** [Compiling for the Apple Silicon architecture is not supported yet.](https://github.com/godotengine/godot-git-plugin/issues/68)
-
 #### Debug build
 
 Replace `Release` with `Debug` and `release` with `debug` in the above instructions for a debug build. You will also have to do the same in the paths mentioned in `demo/git_api.gdnlib` before opening the demo project in Godot.

SConstruct

@@ -45,11 +45,11 @@ if env['platform'] == "osx":
     cpp_library += '.osx'
     libgit2_lib_path += 'osx/'
     if env['target'] in ('debug', 'd'):
-        env.Append(CCFLAGS = ['-g','-O2', '-arch', 'x86_64', '-std=c++17'])
-        env.Append(LINKFLAGS = ['-arch', 'x86_64'])
+        env.Append(CCFLAGS = ['-g','-O2', '-arch', 'x86_64', '-arch', 'arm64', '-std=c++17'])
+        env.Append(LINKFLAGS = ['-arch', 'x86_64', '-arch', 'arm64'])
     else:
-        env.Append(CCFLAGS = ['-g','-O3', '-arch', 'x86_64', '-std=c++17'])
-        env.Append(LINKFLAGS = ['-arch', 'x86_64'])
+        env.Append(CCFLAGS = ['-g','-O3', '-arch', 'x86_64', '-arch', 'arm64', '-std=c++17'])
+        env.Append(LINKFLAGS = ['-arch', 'x86_64', '-arch', 'arm64'])
 
 elif env['platform'] in ('x11', 'linux'):
     env['target_path'] += 'x11/'
@@ -82,7 +82,10 @@ else:
     cpp_library += '.release'
     env['target_path'] += 'release/'
 
-cpp_library += '.' + str(bits)
+if env['platform'] == 'osx':
+    cpp_library += '.universal'
+else:
+    cpp_library += '.' + str(bits)
 
 # make sure our binding library properly includes
 env.Append(CPPPATH=['.', godot_headers_path, cpp_bindings_path + 'include/', cpp_bindings_path + 'include/core/', cpp_bindings_path + 'include/gen/'])

build_libs_mac.sh

@@ -1,11 +1,12 @@
+#!/bin/sh
 git submodule init;
 git submodule update --init --recursive;
 
 cd godot-git-plugin/thirdparty/libgit2/
 mkdir build
 cd build/
 rm -f CMakeCache.txt
-cmake .. -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DBUILD_SHARED_LIBS=OFF -DBUILD_CLAR=OFF -DBUILD_EXAMPLES=OFF -DUSE_SSH=OFF -DUSE_HTTPS=OFF -DUSE_BUNDLED_ZLIB=ON -DUSE_ICONV=OFF
+cmake .. -DCMAKE_C_FLAGS="-arch arm64 -arch x86_64" -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DBUILD_SHARED_LIBS=OFF -DBUILD_CLAR=OFF -DBUILD_EXAMPLES=OFF -DUSE_SSH=OFF -DUSE_HTTPS=OFF -DUSE_BUNDLED_ZLIB=ON -DUSE_ICONV=OFF
 cmake --build . --config $1
 cd ../../../../
 mkdir -p "demo/bin/osx/"
@@ -20,5 +21,11 @@ fi
 
 cd godot-cpp/;
 CORES=$(grep -c ^processor /proc/cpuinfo 2>/dev/null || sysctl -n hw.ncpu)
-scons platform=osx target=$1 generate_bindings=yes bits=64 -j$CORES;
+scons platform=osx target=$1 generate_bindings=yes macos_arch=x86_64 -j$CORES;
+scons platform=osx target=$1 generate_bindings=yes macos_arch=arm64 -j$CORES;
+shopt -s nocasematch; if [[ "release" =~ "$1" ]]; then
+    lipo -create ./bin/libgodot-cpp.osx.release.64.a ./bin/libgodot-cpp.osx.release.arm64.a -output ./bin/libgodot-cpp.osx.release.universal.a
+else
+    lipo -create ./bin/libgodot-cpp.osx.debug.64.a ./bin/libgodot-cpp.osx.debug.arm64.a -output ./bin/libgodot-cpp.osx.debug.universal.a
+fi
 cd ..

godot-git-plugin/src/git_common.h

@@ -1,6 +1,8 @@
 #ifndef GIT_COMMON_H
 #define GIT_COMMON_H
 
+#include <cstdio>
+
 #include <Godot.hpp>
 
 #include <git2.h>