Makefile fix to enable compiling for "unix-armv7-hardfloat-neon" platform

Author: zoltanvb

Makefile.libretro

@@ -337,14 +337,22 @@ else ifneq (,$(findstring armv,$(platform)))
  TARGET := $(TARGET_NAME)_libretro.so
  SHARED := -shared -Wl,--no-undefined
  fpic := -fPIC
- CC = gcc
+ CC ?= gcc
  ifneq (,$(findstring cortexa8,$(platform)))
  CFLAGS += -marm -mcpu=cortex-a8
  ASFLAGS += -mcpu=cortex-a8
  else ifneq (,$(findstring cortexa9,$(platform)))
  CFLAGS += -marm -mcpu=cortex-a9
  ASFLAGS += -mcpu=cortex-a9
  endif
+ ifeq ($(HAS_GPU), 1)
+ ifeq ($(HAS_GLES), 1)
+ GL_LIB := -lGLESv2
+ GLES :=1
+ else
+ GL_LIB := -lGL
+ endif
+ endif
  CFLAGS += -marm
  ifneq (,$(findstring neon,$(platform)))
  CFLAGS += -mfpu=neon