Index: head/devel/llvm90/Makefile
===================================================================
--- head/devel/llvm90/Makefile
+++ head/devel/llvm90/Makefile
@@ -69,7 +69,6 @@
 OPTIONS_DEFAULT=	BE_AMDGPU BE_STANDARD CLANG EXTRAS LIT LLD LLD_LINK LLDB PYCLANG
 OPTIONS_DEFAULT_amd64=	COMPILER_RT GOLD OPENMP
 OPTIONS_DEFAULT_i386=	COMPILER_RT OPENMP
-OPTIONS_DEFAULT_powerpc64=	OPENMP
 OPTIONS_SINGLE=		BACKENDS
 OPTIONS_SINGLE_BACKENDS=BE_FREEBSD BE_NATIVE BE_STANDARD
 OPTIONS_SUB=	yes
@@ -218,7 +217,9 @@
 
 # PPC_ABI variable is only defined after including bsd.port.options.mk
 .if defined(PPC_ABI) && ${PPC_ABI} == ELFv2
-OPTIONS_DEFAULT_powerpc64=	ELFV2
+OPTIONS_DEFAULT_powerpc64=	ELFV2 OPENMP
+.else
+OPTIONS_DEFAULT_powerpc64=	OPENMP
 .endif
 
 # keep in sync with /usr/src/lib/clang/clang.build.mk