Add universal OpenSSL library builds

.github/workflows/build.yml

@@ -49,10 +49,8 @@ jobs:
       - name: build-macos-release-x64
         run: |
           git submodule update --init --recursive
-          chmod +x build_openssl_arm64_osx.sh
-          ./build_openssl_arm64_osx.sh
           brew install scons
-          scons platform=osx target=release bits=64 godot_cpp=yes generate_bindings=yes use_custom_api_file=yes custom_api_file=api.ci.json macos_arch=universal macos_openssl_static_ssl="libssl.a" macos_openssl_static_crypto="libcrypto.a" use_llvm=yes -j $(sysctl -n hw.logicalcpu)
+          scons platform=osx target=release bits=64 godot_cpp=yes generate_bindings=yes use_custom_api_file=yes custom_api_file=api.ci.json macos_arch=universal use_llvm=yes -j $(sysctl -n hw.logicalcpu)
           otool -L demo/addons/godot-git-plugin/osx/libgitapi.dylib
       - uses: actions/upload-artifact@v2
         with:

.gitignore

@@ -24,3 +24,4 @@ win64/
 *.obj
 *.ilk
 *.pdb
+!thirdparty/openssl/*

README.md

@@ -19,8 +19,13 @@ This section onwards is only meant to be used if you intend to compile the plugi
 
 - [SCons](https://scons.org/pages/download.html) (v3.0.1+)
 - C++17 and C90 compilers detectable by SCons and present in `PATH`.
-- For Mac users, run `brew install openssl@1.1`.
-- For Linux users, `sudo apt-get install libssl-dev`, or local package manager equivalent.
+- Platforms Specific Setup
+  - Windows
+    - No extra steps required other than setting up the compilers.
+  - MacOS
+    - For making universal builds targeting both Apple Silicon and x86_64, you can optionally run `build_openssl_universal_osx.sh` to build OpenSSL yourself and replace the already prebuilt libraries provided inside `thirdparty/openssl/`, otherwise, just run `brew install openssl@1.1`.
+  - Linux
+    - Run `sudo apt-get install libssl-dev`, or local package manager equivalent.
 
 ### Build
 

SConstruct

@@ -27,12 +27,12 @@ opts.Add(PathVariable("target_name", "The library name.",
 opts.Add(EnumVariable("bits", "The bit architecture.", "64", ["64"]))
 opts.Add(EnumVariable("macos_arch", "Target macOS architecture",
          "universal", ["universal", "x86_64", "arm64"]))
-opts.Add(PathVariable("macos_openssl", "Path to OpenSSL libraries - only used in macOS builds.",
-         "/usr/local/opt/openssl@1.1/", PathVariable.PathAccept))
+opts.Add(PathVariable("macos_openssl", "Path to OpenSSL library root - only used in macOS builds.",
+                      "/usr/local/opt/openssl@1.1/", PathVariable.PathAccept))  # TODO: Find a way to configure this to use the cloned OpenSSL source code, based on `macos_arch`.
 opts.Add(PathVariable("macos_openssl_static_ssl", "Path to OpenSSL libssl.a library - only used in macOS builds.",
-         "/usr/local/opt/openssl@1.1/lib/libssl.a", PathVariable.PathAccept))
+         os.path.join(os.path.abspath(os.getcwd()), "thirdparty/openssl/libssl.a"), PathVariable.PathAccept))
 opts.Add(PathVariable("macos_openssl_static_crypto", "Path to OpenSSL libcrypto.a library - only used in macOS builds.",
-         "/usr/local/opt/openssl@1.1/lib/libcrypto.a", PathVariable.PathAccept))
+         os.path.join(os.path.abspath(os.getcwd()), "thirdparty/openssl/libcrypto.a"), PathVariable.PathAccept))
 
 # Updates the environment with the option variables.
 opts.Update(env)

godot-git-plugin/SCsub

@@ -33,8 +33,8 @@ if env["platform"] == "osx":
     cpp_library += ".osx"
 
     # Force static linkage (https://stackoverflow.com/a/2995999/7370948)
-    static_ssl = File("../" + env["macos_openssl_static_ssl"])
-    static_crypto = File("../" + env["macos_openssl_static_crypto"])
+    static_ssl = File(env["macos_openssl_static_ssl"])
+    static_crypto = File(env["macos_openssl_static_crypto"])
     env.Append(LIBS=[static_ssl, static_crypto])
 
     if env["target"] in ("debug", "d"):

thirdparty/git2/SCsub

@@ -128,8 +128,8 @@ if env_git["platform"] in ["linux", "osx"]:
 
 if env_git["platform"] == "osx":
     env_git.Prepend(CPPPATH=[env_git["macos_openssl"] + "include/"])
-    static_ssl = File("../../" + env_git["macos_openssl_static_ssl"])
-    static_crypto = File("../../" + env_git["macos_openssl_static_crypto"])
+    static_ssl = File(env_git["macos_openssl_static_ssl"])
+    static_crypto = File(env_git["macos_openssl_static_crypto"])
     env_git.Append(LIBS=[static_ssl, static_crypto])
 
 env_git.StaticLibrary(target="../bin/" + "git2", source=libgit2_sources)

thirdparty/ssh2/SCsub

@@ -106,8 +106,8 @@ if env_ssh2["platform"] in ["linux", "osx"]:
 
 if env_ssh2["platform"] == "osx":
     env_ssh2.Append(CPPPATH=[env_ssh2["macos_openssl"] + "include/"])
-    static_ssl = File("../../" + env_ssh2["macos_openssl_static_ssl"])
-    static_crypto = File("../../" + env_ssh2["macos_openssl_static_crypto"])
+    static_ssl = File(env_ssh2["macos_openssl_static_ssl"])
+    static_crypto = File(env_ssh2["macos_openssl_static_crypto"])
     env_ssh2.Append(LIBS=[static_ssl, static_crypto])
 
 env_ssh2.StaticLibrary(target="../bin/" + "ssh2", source=libssh2_sources)