--- Engine/Makefile-defs.linux.orig	2017-02-07 22:37:22 UTC
+++ Engine/Makefile-defs.linux
@@ -1,7 +1,7 @@
 INCDIR = ../Engine ../Common ../Common/libinclude ../Plugins
 LIBDIR =
-CFLAGS := -O2 -g -fsigned-char -Wfatal-errors -DNDEBUG -DAGS_RUNTIME_PATCH_ALLEGRO -DAGS_HAS_CD_AUDIO -DAGS_CASE_SENSITIVE_FILESYSTEM -DALLEGRO_STATICLINK -DLINUX_VERSION -DDISABLE_MPEG_AUDIO -DBUILTIN_PLUGINS -DRTLD_NEXT $(shell pkg-config --cflags freetype2) $(CFLAGS)
-CXXFLAGS := -fno-rtti -Wno-write-strings $(CXXFLAGS)
+CFLAGS += -fsigned-char -Wfatal-errors -DNDEBUG -DAGS_RUNTIME_PATCH_ALLEGRO -DAGS_CASE_SENSITIVE_FILESYSTEM -DALLEGRO_STATICLINK -DLINUX_VERSION -DDISABLE_MPEG_AUDIO -DBUILTIN_PLUGINS -DRTLD_NEXT $(shell pkg-config --cflags freetype2)
+CXXFLAGS += -std=c++11 -fno-rtti -Wno-write-strings
 LIBS := -rdynamic -laldmb -ldumb -Wl,-Bdynamic
 LIBS += $(shell pkg-config --libs allegro)
 LIBS += $(shell pkg-config --libs x11)
@@ -16,7 +16,7 @@ else
 endif
 LIBS += $(shell pkg-config --libs vorbisfile)
 LIBS += $(shell pkg-config --libs freetype2)
-LIBS += -ldl -lpthread -lc -lm -lstdc++
+LIBS += -lpthread -lc -lm -lstdc++
 
 ifeq ($(ALLEGRO_MAGIC_DRV), 1)
   CFLAGS += -DALLEGRO_MAGIC_DRV
@@ -44,4 +44,4 @@ platform/linux/acpllnx.cpp \
 platform/util/pe.c \
 platform/util/libc.c
 
-CDA = libsrc/libcda-0.5/linux.c
+# CDA = libsrc/libcda-0.5/linux.c