diff --git a/devel/llvm19/Makefile b/devel/llvm19/Makefile
--- a/devel/llvm19/Makefile
+++ b/devel/llvm19/Makefile
@@ -65,6 +65,7 @@
 
 SUB_FILES=	llvm-wrapper.sh
 SUB_LIST=	LLVM_PREFIX="${LLVM_PREFIX}" LLVM_SUFFIX="${LLVM_SUFFIX}"
+OPTIONS_SUB=	yes
 
 CMAKE_INSTALL_PREFIX=	${LLVM_PREFIX}
 CMAKE_SOURCE_PATH=	${WRKSRC}/llvm
@@ -85,33 +86,46 @@
 CMAKE_ARGS+=	-DLLVM_VERSION_SUFFIX=
 
 OPTIONS_DEFINE=	BE_AMDGPU BE_WASM CLANG COMPILER_RT DOCS LLD STATIC_LIBS
-OPTIONS_DEFAULT=	BE_AMDGPU BE_WASM CLANG LLD
 OPTIONS_SINGLE=		BACKENDS
 OPTIONS_SINGLE_BACKENDS=BE_FREEBSD BE_NATIVE BE_STANDARD
+
+OPTIONS_DEFAULT=	CLANG LLD
+
+# BE_NATIVE for 32-bit
+OPTIONS_DEFAULT_armv6=	BE_NATIVE
+OPTIONS_DEFAULT_armv7=	BE_NATIVE
+OPTIONS_DEFAULT_i386=	BE_NATIVE
+OPTIONS_DEFAULT_power=	BE_NATIVE
+# FLAVOR-dependent BE for 64-bit
+_BE_default=	BE_STANDARD BE_AMDGPU BE_WASM
+_BE_lite=	BE_FREEBSD BE_AMDGPU BE_WASM
+OPTIONS_DEFAULT_aarch64=	${_BE_${FLAVOR}}
+OPTIONS_DEFAULT_amd64=		${_BE_${FLAVOR}}
+OPTIONS_DEFAULT_powerpc64=	${_BE_${FLAVOR}}
+OPTIONS_DEFAULT_powerpc64le=	${_BE_${FLAVOR}}
+
 OPTIONS_EXCLUDE_armv6=	COMPILER_RT
 OPTIONS_EXCLUDE_armv7=	COMPILER_RT
-OPTIONS_SUB=	yes
 
-.if ${FLAVOR:Mlite}
-OPTIONS_DEFAULT+=	BE_FREEBSD
-.else
+.if ${FLAVOR:Mdefault}
 OPTIONS_DEFINE+=	EXTRAS FLANG LIT LLDB MLIR OPENMP PYCLANG POLLY
 OPTIONS_DEFINE_amd64=	GOLD
 OPTIONS_DEFINE_powerpc=	GOLD
 OPTIONS_DEFINE_powerpc64=	GOLD
 OPTIONS_DEFINE_powerpc64le=	GOLD
 
-OPTIONS_DEFAULT+=	BE_STANDARD COMPILER_RT EXTRAS LIT LLDB MLIR OPENMP \
+OPTIONS_DEFAULT+=	COMPILER_RT EXTRAS LIT LLDB MLIR OPENMP \
 			PYCLANG POLLY STATIC_LIBS
-OPTIONS_DEFAULT_amd64=	GOLD
-OPTIONS_DEFAULT_powerpc=	GOLD
-OPTIONS_DEFAULT_powerpc64=	GOLD
-OPTIONS_DEFAULT_powerpc64le=	GOLD
-
-OPTIONS_EXCLUDE_armv6+=	FLANG OPENMP
-OPTIONS_EXCLUDE_armv7+=	FLANG OPENMP
-OPTIONS_EXCLUDE_i386=	FLANG OPENMP
-OPTIONS_EXCLUDE_powerpc=	FLANG OPENMP
+OPTIONS_DEFAULT_amd64+=	GOLD
+OPTIONS_DEFAULT_powerpc+=	GOLD
+OPTIONS_DEFAULT_powerpc64+=	GOLD
+OPTIONS_DEFAULT_powerpc64le+=	GOLD
+
+_OPTIONS_EXCLUDE_ptr32=	FLANG MLIR OPENMP POLLY
+OPTIONS_EXCLUDE_armv6+=	${_OPTIONS_EXCLUDE_ptr32}
+OPTIONS_EXCLUDE_armv7+=	${_OPTIONS_EXCLUDE_ptr32}
+OPTIONS_EXCLUDE_i386=	${_OPTIONS_EXCLUDE_ptr32}
+OPTIONS_EXCLUDE_powerpc=	${_OPTIONS_EXCLUDE_ptr32}
 OPTIONS_EXCLUDE_riscv64=	LLDB
 .endif