Index: Makefile.libretro
--- Makefile.libretro.orig
+++ Makefile.libretro
@@ -43,7 +43,7 @@ TARGET_NAME := genesis_plus_gx
 
 LIBS := -lm
 
-GIT_VERSION ?= " $(shell git rev-parse --short HEAD || echo unknown)"
+GIT_VERSION ?= " unknown"
 ifneq ($(GIT_VERSION)," unknown")
    CFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\"
 endif
@@ -52,7 +52,7 @@ endif
 ifneq (,$(findstring unix,$(platform)))
    TARGET := $(TARGET_NAME)_libretro.so
    fpic := -fPIC
-   SHARED := -shared -Wl,--version-script=$(CORE_DIR)/libretro/link.T -Wl,--no-undefined
+   SHARED := -shared -Wl,--version-script=$(CORE_DIR)/libretro/link.T
    ENDIANNESS_DEFINES := -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN
    PLATFORM_DEFINES := -DHAVE_ZLIB
 
@@ -585,6 +581,7 @@ LIBRETRO_CFLAGS += $(BPP_DEFINES) \
 		-DM68K_OVERCLOCK_SHIFT=20 \
 		-DZ80_OVERCLOCK_SHIFT=20 \
 		-DHAVE_YM3438_CORE \
+		-DPACKAGE_VERSION=\"1.3.2\" -DFLAC_API_EXPORTS -DFLAC__HAS_OGG=0 -DHAVE_LROUND -DHAVE_STDINT_H -D_7ZIP_ST \
 		-DHAVE_OPLL_CORE
 
 ifneq (,$(findstring msvc,$(platform)))