--- Makefile.orig	2024-04-18 09:56:24 UTC
+++ Makefile
@@ -1,7 +1,7 @@
 # We assume X64 unless HH_POWER, HH_ARM, or HH_AARCH64 are defined.

 override CPPFLAGS += -I.
-override CXXFLAGS += -std=c++11 -Wall -O3 -fPIC -pthread
+override CXXFLAGS += -std=c++11 -Wall -fPIC -pthread
 override LDFLAGS += -pthread

 PREFIX ?= /usr/local
@@ -39,8 +39,10 @@ HH_AARCH64 = 1
 else
 ifdef HH_POWER
 HH_X64 =
+ifdef HH_VSX
 HIGHWAYHASH_OBJS += obj/hh_vsx.o
 HIGHWAYHASH_TEST_OBJS += obj/highwayhash_test_vsx.o
+endif
 else
 HH_X64 = 1
 HIGHWAYHASH_OBJS += obj/hh_avx2.o obj/hh_sse41.o
@@ -95,9 +97,11 @@ obj/benchmark.o: CXXFLAGS+=-mavx2
 endif

 ifdef HH_POWER
+ifdef HH_VSX
 obj/highwayhash_test_vsx.o: CXXFLAGS+=-mvsx
 obj/hh_vsx.o: CXXFLAGS+=-mvsx
 obj/benchmark.o: CXXFLAGS+=-mvsx
+endif
 # Skip file - vector library/test not supported on PPC
 obj/vector_test_target.o: CXXFLAGS+=-DHH_DISABLE_TARGET_SPECIFIC
 obj/vector_test.o: CXXFLAGS+=-DHH_DISABLE_TARGET_SPECIFIC