--- cef/cmake/cef_variables.cmake.in.orig	2026-09-06 17:31:54 UTC
+++ cef/cmake/cef_variables.cmake.in
@@ -17,7 +17,8 @@ if("${CMAKE_SYSTEM_NAME}" STREQUAL "Darw
   set(OS_MAC 1)
   set(OS_MACOSX 1)  # For backwards compatibility.
   set(OS_POSIX 1)
-elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+elseif("${CMAKE_SYSTEM_NAME}" MATCHES "^(Linux|FreeBSD|OpenBSD)$")
+  # The BSDs use the Linux configuration.
   set(OS_LINUX 1)
   set(OS_POSIX 1)
 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Windows")
@@ -27,6 +28,7 @@ endif()
 # Determine the project architecture.
 if(NOT DEFINED PROJECT_ARCH)
   if(("${CMAKE_HOST_SYSTEM_PROCESSOR}" STREQUAL "arm64") OR
+     ("${CMAKE_HOST_SYSTEM_PROCESSOR}" STREQUAL "aarch64") OR
      ("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM64"))
     set(PROJECT_ARCH "arm64")
   elseif(CMAKE_SIZEOF_VOID_P MATCHES 8)
@@ -130,13 +132,18 @@ if(OS_LINUX)
     -pipe                           # Use pipes rather than temporary files for communication between build stages
     -pthread                        # Use the pthread library
     -Wall                           # Enable all warnings
-    -Werror                         # Treat warnings as errors
     -Wno-missing-field-initializers # Don't warn about missing field initializers
     -Wno-unused-parameter           # Don't warn about unused parameters
     -Wno-error=comment              # Don't warn about code in comments
     -Wno-comment                    # Don't warn about code in comments
     -Wno-deprecated-declarations    # Don't warn about using deprecated methods
     )
+  if(NOT "${CMAKE_SYSTEM_NAME}" MATCHES "BSD$")
+    # Warnings from newer system compilers must not break the BSD builds.
+    list(APPEND CEF_COMPILER_FLAGS
+      -Werror                       # Treat warnings as errors
+      )
+  endif()
   list(APPEND CEF_C_COMPILER_FLAGS
     -std=c99                        # Use the C99 language standard
     )