Drop support for Intel macOS (#37215)

* Drop support for Intel macOS

* arch.sh

* scons

* platform.sh

* lil more

* mv tici

SConstruct

@@ -2,7 +2,6 @@ import os
 import subprocess
 import sys
 import sysconfig
-import platform
 import shlex
 import numpy as np
 
@@ -24,19 +23,8 @@ AddOption('--minimal',
           default=os.path.exists(File('#.gitattributes').abspath), # minimal by default on release branch (where there's no LFS)
           help='the minimum build to run openpilot. no tests, tools, etc.')
 
-# Detect platform
-arch = subprocess.check_output(["uname", "-m"], encoding='utf8').rstrip()
-if platform.system() == "Darwin":
-  arch = "Darwin"
-  brew_prefix = subprocess.check_output(['brew', '--prefix'], encoding='utf8').strip()
-elif arch == "aarch64" and os.path.isfile('/TICI'):
-  arch = "larch64"
-assert arch in [
-  "larch64",  # linux tici arm64
-  "aarch64",  # linux pc arm64
-  "x86_64",   # linux pc x64
-  "Darwin",   # macOS arm64 (x86 not supported)
-]
+# Detect platform (see scripts/platform.sh)
+arch = subprocess.check_output(["bash", "-c", "source scripts/platform.sh >&2 && echo $OPENPILOT_ARCH"], encoding='utf8', stderr=subprocess.PIPE).rstrip()
 
 env = Environment(
   ENV={
@@ -103,6 +91,7 @@ if arch == "larch64":
   env.Append(CCFLAGS=arch_flags)
   env.Append(CXXFLAGS=arch_flags)
 elif arch == "Darwin":
+  brew_prefix = subprocess.check_output(['brew', '--prefix'], encoding='utf8').strip()
   env.Append(LIBPATH=[
     f"{brew_prefix}/lib",
     f"{brew_prefix}/opt/openssl@3.0/lib",

scripts/platform.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+#
+# Centralized platform and architecture detection for openpilot.
+# Source this script to get OPENPILOT_ARCH set to one of:
+#   larch64  - linux tici arm64
+#   aarch64  - linux pc arm64
+#   x86_64   - linux pc x64
+#   Darwin   - macOS arm64
+#
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+NC='\033[0m'
+
+OPENPILOT_ARCH=$(uname -m)
+
+# ── check OS and normalize arch ──────────────────────────────
+if [ -f /TICI ]; then
+  # TICI runs AGNOS — no OS validation needed
+  OPENPILOT_ARCH="larch64"
+
+elif [[ "$OSTYPE" == "darwin"* ]]; then
+  if [[ "$OPENPILOT_ARCH" == "x86_64" ]]; then
+    echo -e " ↳ [${RED}✗${NC}] Intel-based Macs are not supported!"
+    echo "       openpilot requires an Apple Silicon Mac (M1 or newer)."
+    exit 1
+  fi
+  echo -e " ↳ [${GREEN}✔${NC}] macOS detected."
+  OPENPILOT_ARCH="Darwin"
+
+elif [[ "$OSTYPE" == "linux-gnu"* ]]; then
+  if [ -f "/etc/os-release" ]; then
+    source /etc/os-release
+    case "$VERSION_CODENAME" in
+      "jammy" | "kinetic" | "noble" | "focal")
+        echo -e " ↳ [${GREEN}✔${NC}] Ubuntu $VERSION_CODENAME detected."
+        ;;
+      *)
+        echo -e " ↳ [${RED}✗${NC}] Incompatible Ubuntu version $VERSION_CODENAME detected!"
+        exit 1
+        ;;
+    esac
+  else
+    echo -e " ↳ [${RED}✗${NC}] No /etc/os-release on your system. Make sure you're running on Ubuntu, or similar!"
+    exit 1
+  fi
+
+else
+  echo -e " ↳ [${RED}✗${NC}] OS type $OSTYPE not supported!"
+  exit 1
+fi

third_party/acados/build.sh

@@ -6,18 +6,18 @@ export ZERO_AR_DATE=1
 
 DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
-ARCHNAME="x86_64"
+source "$DIR/../../scripts/platform.sh"
+ARCHNAME="$OPENPILOT_ARCH"
+
 BLAS_TARGET="X64_AUTOMATIC"
 if [ -f /TICI ]; then
-  ARCHNAME="larch64"
   BLAS_TARGET="ARMV8A_ARM_CORTEX_A57"
 fi
 
 ACADOS_FLAGS="-DACADOS_WITH_QPOASES=ON -UBLASFEO_TARGET -DBLASFEO_TARGET=$BLAS_TARGET"
 
 if [[ "$OSTYPE" == "darwin"* ]]; then
-  ACADOS_FLAGS="$ACADOS_FLAGS -DCMAKE_OSX_ARCHITECTURES=arm64;x86_64 -DCMAKE_MACOSX_RPATH=1"
-  ARCHNAME="Darwin"
+  ACADOS_FLAGS="$ACADOS_FLAGS -DCMAKE_OSX_ARCHITECTURES=arm64 -DCMAKE_MACOSX_RPATH=1"
 fi
 
 if [ ! -d acados_repo/ ]; then
@@ -57,8 +57,7 @@ fi
 cd $DIR/acados_repo/interfaces/acados_template/tera_renderer/
 if [[ "$OSTYPE" == "darwin"* ]]; then
   cargo build --verbose --release --target aarch64-apple-darwin
-  cargo build --verbose --release --target x86_64-apple-darwin
-  lipo -create -output target/release/t_renderer target/x86_64-apple-darwin/release/t_renderer target/aarch64-apple-darwin/release/t_renderer
+  cp target/aarch64-apple-darwin/release/t_renderer target/release/t_renderer
 else
   cargo build --verbose --release
 fi

third_party/libyuv/build.sh

@@ -6,14 +6,8 @@ export ZERO_AR_DATE=1
 
 DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
-ARCHNAME=$(uname -m)
-if [ -f /TICI ]; then
-  ARCHNAME="larch64"
-fi
-
-if [[ "$OSTYPE" == "darwin"* ]]; then
-  ARCHNAME="Darwin"
-fi
+source "$DIR/../../scripts/platform.sh"
+ARCHNAME="$OPENPILOT_ARCH"
 
 cd $DIR
 if [ ! -d libyuv ]; then
@@ -35,8 +29,3 @@ rm -rf $DIR/include
 mkdir -p $INSTALL_DIR/lib
 cp $DIR/libyuv/libyuv.a $INSTALL_DIR/lib
 cp -r $DIR/libyuv/include $DIR
-
-## To create universal binary on Darwin:
-## ```
-## lipo -create -output Darwin/libyuv.a path-to-x64/libyuv.a path-to-arm64/libyuv.a
-## ```

third_party/raylib/build.sh

@@ -20,9 +20,9 @@ cd $DIR
 
 RAYLIB_PLATFORM="PLATFORM_DESKTOP"
 
-ARCHNAME=$(uname -m)
+source "$DIR/../../scripts/platform.sh"
+ARCHNAME="$OPENPILOT_ARCH"
 if [ -f /TICI ]; then
-  ARCHNAME="larch64"
   RAYLIB_PLATFORM="PLATFORM_COMMA"
 elif [[ "$OSTYPE" == "linux"* ]]; then
   # required dependencies on Linux PC
@@ -33,10 +33,6 @@ elif [[ "$OSTYPE" == "linux"* ]]; then
     libxrandr-dev
 fi
 
-if [[ "$OSTYPE" == "darwin"* ]]; then
-  ARCHNAME="Darwin"
-fi
-
 INSTALL_DIR="$DIR/$ARCHNAME"
 rm -rf $INSTALL_DIR
 mkdir -p $INSTALL_DIR

tools/install_python_dependencies.sh

@@ -23,7 +23,7 @@ echo "installing python packages..."
 uv sync --frozen --all-extras
 source .venv/bin/activate
 
-if [[ "$(uname)" == 'Darwin' ]]; then
+if [[ "$OSTYPE" == "darwin"* ]]; then
   touch "$ROOT"/.env
   echo "export OBJC_DISABLE_INITIALIZE_FORK_SAFETY=YES" >> "$ROOT"/.env
 fi

tools/mac_setup.sh

@@ -3,7 +3,7 @@ set -e
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 ROOT="$(cd $DIR/../ && pwd)"
-ARCH=$(uname -m)
+source $ROOT/scripts/platform.sh
 
 # homebrew update is slow
 export HOMEBREW_NO_AUTO_UPDATE=1
@@ -21,13 +21,8 @@ if [[ $(command -v brew) == "" ]]; then
   echo "[ ] installed brew t=$SECONDS"
 
   # make brew available now
-  if [[ $ARCH == "x86_64" ]]; then
-    echo 'eval "$(/usr/local/bin/brew shellenv)"' >> $RC_FILE
-    eval "$(/usr/local/bin/brew shellenv)"
-  else
-    echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> $RC_FILE
-    eval "$(/opt/homebrew/bin/brew shellenv)"
-  fi
+  echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> $RC_FILE
+  eval "$(/opt/homebrew/bin/brew shellenv)"
 else
     brew up
 fi

tools/op.sh

@@ -122,33 +122,7 @@ function op_check_git() {
 
 function op_check_os() {
   echo "Checking for compatible os version..."
-  if [[ "$OSTYPE" == "linux-gnu"* ]]; then
-
-    if [ -f "/etc/os-release" ]; then
-      source /etc/os-release
-      case "$VERSION_CODENAME" in
-        "jammy" | "kinetic" | "noble" | "focal")
-          echo -e " ↳ [${GREEN}✔${NC}] Ubuntu $VERSION_CODENAME detected."
-          ;;
-        * )
-          echo -e " ↳ [${RED}✗${NC}] Incompatible Ubuntu version $VERSION_CODENAME detected!"
-          loge "ERROR_INCOMPATIBLE_UBUNTU" "$VERSION_CODENAME"
-          return 1
-          ;;
-      esac
-    else
-      echo -e " ↳ [${RED}✗${NC}] No /etc/os-release on your system. Make sure you're running on Ubuntu, or similar!"
-      loge "ERROR_UNKNOWN_UBUNTU"
-      return 1
-    fi
-
-  elif [[ "$OSTYPE" == "darwin"* ]]; then
-    echo -e " ↳ [${GREEN}✔${NC}] macOS detected."
-  else
-    echo -e " ↳ [${RED}✗${NC}] OS type $OSTYPE not supported!"
-    loge "ERROR_UNKNOWN_OS" "$OSTYPE"
-    return 1
-  fi
+  source "$OPENPILOT_ROOT/scripts/platform.sh"
 }
 
 function op_check_python() {

tools/plotjuggler/juggle.py

@@ -31,7 +31,7 @@ MAX_STREAMING_BUFFER_SIZE = 1000
 
 def install():
   m = f"{platform.system()}-{platform.machine()}"
-  supported = ("Linux-x86_64", "Linux-aarch64", "Darwin-arm64", "Darwin-x86_64")
+  supported = ("Linux-x86_64", "Linux-aarch64", "Darwin-arm64")
   if m not in supported:
     raise Exception(f"Unsupported platform: '{m}'. Supported platforms: {supported}")