Update Architecture support

Add Support for building on ppc64le Arch
This tool is being packaged as an RPM package for easy installation on Linux distros
RPM packages requires standard compiler flags

Signed-off-by: Dorinda Bassey <dbassey@redhat.com>

Makefile

@@ -54,10 +54,10 @@ endif
 # Investigate: Improving C++ Builds with Split DWARF
 #  http://www.productive-cpp.com/improving-cpp-builds-with-split-dwarf/
 
-CFLAGS = $(WARNINGS) -march=native -fno-exceptions -gdwarf-4 -g2 -ggnu-pubnames -gsplit-dwarf $(SDL2FLAGS) $(GTK3FLAGS) $(I915_PERF_CFLAGS) -I/usr/include/freetype2
+CFLAGS = $(WARNINGS) -mcpu=native -mtune=native -fno-exceptions -gdwarf-4 -g2 -ggnu-pubnames -gsplit-dwarf $(SDL2FLAGS) $(GTK3FLAGS) $(I915_PERF_CFLAGS) -I/usr/include/freetype2
 CFLAGS += -DUSE_FREETYPE -D_LARGEFILE64_SOURCE=1 -D_FILE_OFFSET_BITS=64
 CXXFLAGS = -fno-rtti -Woverloaded-virtual 
-LDFLAGS = -march=native -gdwarf-4 -g2 -Wl,--build-id=sha1
+LDFLAGS = -mcpu=native -mtune=native -gdwarf-4 -g2 -Wl,--build-id=sha1
 LIBS = -Wl,--no-as-needed -lm -ldl -lpthread -lfreetype -lstdc++ $(SDL2LIBS) $(I915_PERF_LIBS)
 
 ifneq ("$(wildcard /usr/bin/ld.gold)","")