From be6dd79a74061614060d78c2d55d90252403baed Mon Sep 17 00:00:00 2001
From: Ivan Davydov <lotigara@lotigara.ru>
Date: Fri, 6 Jun 2025 09:28:26 +0300
Subject: Add (GNU/)Linux ARM port

---
 source/CMakePresets.json               | 37 ++++++++++++++++++++++++++++++++++
 triplets/arm64-linux-mixed-clang.cmake | 21 +++++++++++++++++++
 triplets/arm64-linux-mixed.cmake       | 20 ++++++++++++++++++
 3 files changed, 78 insertions(+)
 create mode 100644 triplets/arm64-linux-mixed-clang.cmake
 create mode 100644 triplets/arm64-linux-mixed.cmake

diff --git a/source/CMakePresets.json b/source/CMakePresets.json
index 0d4eec2..800387a 100644
--- a/source/CMakePresets.json
+++ b/source/CMakePresets.json
@@ -71,6 +71,18 @@
         }
       }
     },
+    {
+      "inherits": "linux-release",
+      "name": "linux-arm-release",
+      "displayName": "Linux ARM",
+      "binaryDir": "${sourceParentDir}/build/linux-arm-release",
+      "architecture": { "value": "arm64", "strategy": "external" },
+      "cacheVariables": {
+        "VCPKG_TARGET_TRIPLET": "arm64-linux-mixed",
+        "STAR_ENABLE_STEAM_INTEGRATION": false,
+        "STAR_ENABLE_DISCORD_INTEGRATION": false
+      }
+    },
     {
       "inherits": "linux-release",
       "name": "linux-release-clang",
@@ -84,6 +96,18 @@
         "STAR_USE_JEMALLOC": true
       }
     },
+    {
+      "inherits": "linux-arm-release",
+      "name": "linux-arm-release-clang",
+      "displayName": "Linux Clang ARM",
+      "binaryDir": "${sourceParentDir}/build/linux-arm-release-clang",
+      "cacheVariables": {
+        "CMAKE_C_COMPILER": "clang",
+        "CMAKE_CXX_COMPILER": "clang++",
+        "VCPKG_TARGET_TRIPLET": "arm64-linux-mixed-clang",
+        "STAR_USE_JEMALLOC": true
+      }
+    },
     {
       "inherits": "base",
       "name": "macos-release",
@@ -143,10 +167,18 @@
       "name": "linux-release",
       "configurePreset": "linux-release"
     },
+    {
+      "name": "linux-arm-release",
+      "configurePreset": "linux-arm-release"
+    },
     {
       "name": "linux-release-clang",
       "configurePreset": "linux-release-clang"
     },
+    {
+      "name": "linux-arm-release-clang",
+      "configurePreset": "linux-arm-release-clang"
+    },
     {
       "name": "macos-release",
       "configurePreset": "macos-release"
@@ -174,6 +206,11 @@
       "name": "linux-release",
       "configurePreset": "linux-release"
     },
+    {
+      "inherits": "base",
+      "name": "linux-arm-release",
+      "configurePreset": "linux-arm-release"
+    },
     {
       "inherits": "base",
       "name": "macos-release",
diff --git a/triplets/arm64-linux-mixed-clang.cmake b/triplets/arm64-linux-mixed-clang.cmake
new file mode 100644
index 0000000..47c6697
--- /dev/null
+++ b/triplets/arm64-linux-mixed-clang.cmake
@@ -0,0 +1,21 @@
+set(VCPKG_TARGET_ARCHITECTURE arm64)
+set(VCPKG_CRT_LINKAGE dynamic)
+set(VCPKG_LIBRARY_LINKAGE static)
+
+set(VCPKG_CMAKE_SYSTEM_NAME Linux)
+set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE ${CMAKE_CURRENT_LIST_DIR}/../toolchains/linux-clang.cmake)
+
+if(PORT MATCHES "opus")
+  string(CONCAT VCPKG_CMAKE_CONFIGURE_OPTIONS
+    "-DOPUS_INSTALL_PKG_CONFIG_MODULE=OFF"
+    "-DOPUS_INSTALL_CMAKE_CONFIG_MODULE=OFF"
+    "-DOPUS_ARM_MAY_HAVE_NEON=ON"
+    "-DOPUS_ARM_MAY_HAVE_NEON_INTR=ON"
+    "-DOPUS_ENABLE_FLOAT_API=ON"
+    "-DOPUS_FLOAT_APPROX=ON"
+    "-DOPUS_STACK_PROTECTOR=OFF"
+    "-DOPUS_NONTHREADSAFE_PSEUDOSTACK=OFF"
+    "-DOPUS_USE_ALLOCA=ON"
+    "-DBUILD_TESTING=OFF"
+  )
+endif()
diff --git a/triplets/arm64-linux-mixed.cmake b/triplets/arm64-linux-mixed.cmake
new file mode 100644
index 0000000..1885af2
--- /dev/null
+++ b/triplets/arm64-linux-mixed.cmake
@@ -0,0 +1,20 @@
+set(VCPKG_TARGET_ARCHITECTURE arm64)
+set(VCPKG_CRT_LINKAGE dynamic)
+set(VCPKG_LIBRARY_LINKAGE static)
+
+set(VCPKG_CMAKE_SYSTEM_NAME Linux)
+
+if(PORT MATCHES "opus")
+  string(CONCAT VCPKG_CMAKE_CONFIGURE_OPTIONS
+    "-DOPUS_INSTALL_PKG_CONFIG_MODULE=OFF"
+    "-DOPUS_INSTALL_CMAKE_CONFIG_MODULE=OFF"
+    "-DOPUS_ARM_MAY_HAVE_NEON=ON"
+    "-DOPUS_ARM_MAY_HAVE_NEON_INTR=ON"
+    "-DOPUS_ENABLE_FLOAT_API=ON"
+    "-DOPUS_FLOAT_APPROX=ON"
+    "-DOPUS_STACK_PROTECTOR=OFF"
+    "-DOPUS_NONTHREADSAFE_PSEUDOSTACK=OFF"
+    "-DOPUS_USE_ALLOCA=ON"
+    "-DBUILD_TESTING=OFF"
+  )
+endif()
-- 
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