[libretro] Basic structure for libretro core

Author: drhelius

platforms/libretro/Makefile

@@ -370,4 +370,4 @@ uninstall:
 	rm $(DESTDIR)$(libdir)/$(LIBRETRO_INSTALL_DIR)/$(TARGET)
 	rm $(DESTDIR)$(libdir)/$(LIBRETRO_INSTALL_DIR)/$(TARGET_NAME).libretro
 
-.PHONY: clean install uninstall
+.PHONY: clean install uninstall

platforms/libretro/Makefile.common

@@ -1,4 +1,4 @@
-SOURCES_C   :=  $(SOURCE_DIR)/miniz/miniz.c \
+SOURCES_C   :=  $(SOURCE_DIR)/miniz/miniz.c
 
 SOURCES_CXX :=  $(CORE_DIR)/libretro.cpp \
                 $(SOURCE_DIR)/audio.cpp \
@@ -11,4 +11,4 @@ SOURCES_CXX :=  $(CORE_DIR)/libretro.cpp \
                 $(SOURCE_DIR)/huc6280_psg.cpp \
                 $(SOURCE_DIR)/huc6280.cpp \
                 $(SOURCE_DIR)/input.cpp \
-                $(SOURCE_DIR)/memory.cpp \
+                $(SOURCE_DIR)/memory.cpp