make/lib/Awt2dLibraries.gmk

rev 11830 : 8078245: AARCH64: JDK fails to build due to undefined symbol in libpng
Summary: Add -DPNG_ARM_NEON_OPT=0 to LIBSPLASHSCREEN_CFLAGS flags
Reviewed-by: dholmes, ihse, erikj

*** 825,835 ****
      LIBSPLASHSCREEN_DIRS += $(JDK_TOPDIR)/src/java.desktop/$(OPENJDK_TARGET_OS_TYPE)/native/libsplashscreen
    else
      LIBSPLASHSCREEN_DIRS += $(JDK_TOPDIR)/src/java.desktop/macosx/native/libsplashscreen
    endif
  
!   LIBSPLASHSCREEN_CFLAGS += -DSPLASHSCREEN -DPNG_NO_MMX_CODE \
        $(addprefix -I, $(LIBSPLASHSCREEN_DIRS)) \
        $(LIBJAVA_HEADER_FLAGS) \
        #
  
    ifeq ($(OPENJDK_TARGET_OS), macosx)
--- 825,835 ----
      LIBSPLASHSCREEN_DIRS += $(JDK_TOPDIR)/src/java.desktop/$(OPENJDK_TARGET_OS_TYPE)/native/libsplashscreen
    else
      LIBSPLASHSCREEN_DIRS += $(JDK_TOPDIR)/src/java.desktop/macosx/native/libsplashscreen
    endif
  
!   LIBSPLASHSCREEN_CFLAGS += -DSPLASHSCREEN -DPNG_NO_MMX_CODE -DPNG_ARM_NEON_OPT=0 \
        $(addprefix -I, $(LIBSPLASHSCREEN_DIRS)) \
        $(LIBJAVA_HEADER_FLAGS) \
        #
  
    ifeq ($(OPENJDK_TARGET_OS), macosx)