try to fix build

diff --git a/Makefile.libretro b/Makefile.libretro
index 37bcd84..bf13626 100644 (file)
--- a/Makefile.libretro
+++ b/Makefile.libretro
@@ -328,6 +328,7 @@ else ifeq ($(platform), ctr)
        CFLAGS += -Werror=implicit-function-declaration
        CFLAGS += -DHAVE_UNISTD_H
        CFLAGS += -DZ7_DECL_Int32_AS_long
+       CFLAGS += -DUSE_CTRULIB_2
 
        OBJS += frontend/3ds/utils.o
 
@@ -380,6 +381,7 @@ else ifneq (,$(filter $(platform),ngc wii wiiu))
        LIBPTHREAD :=
        LIBRT :=
        HAVE_PHYSICAL_CDROM = 0
+       USE_ASYNC_CDROM = 0
 
 # QNX
 else ifeq ($(platform), qnx)