$NetBSD: patch-libretro_Makefile,v 1.2 2020/06/13 10:43:15 nia Exp $

Use ffmpeg from pkgsrc.

Don't pass CFLAGS to as.

--- libretro/Makefile.orig	2018-12-04 13:43:39.000000000 +0000
+++ libretro/Makefile
@@ -40,7 +40,6 @@ endif
 
 # Dirs
 CORE_DIR			= ..
-FFMPEGDIR		= $(CORE_DIR)/ffmpeg
 LIBRETRODIR		= $(CORE_DIR)/libretro
 COREDIR			= $(CORE_DIR)/Core
 COMMONDIR		= $(CORE_DIR)/Common
@@ -60,9 +59,7 @@ ifneq (,$(findstring unix,$(platform)))
 	TARGET := $(TARGET_NAME)_libretro.so
 	LDFLAGS += -shared -Wl,--version-script=link.T -Wl,--no-undefined
 
-	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/linux/$(TARGET_ARCH)/include
-	FFMPEGLIBDIR := $(FFMPEGDIR)/linux/$(TARGET_ARCH)/lib
-	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
+	FFMPEGLDFLAGS += -lavformat -lavcodec -lavutil -lswresample -lswscale
 	fpic = -fPIC
 	ifneq (,$(findstring gles,$(platform)))
 		GLES = 1
@@ -429,7 +426,7 @@ endif
 all: $(TARGET)
 
 %.o: %.S
-	$(AS) $(CFLAGS) -c $(OBJOUT)$@ $<
+	$(CC) $(CFLAGS) -c $(OBJOUT)$@ $<
 
 %.o: %.c
 	$(CC) $(CFLAGS) -c $(OBJOUT)$@ $<