Added preliminary support for Left 4 Dead; some things may not yet work.

loader/Makefile

@@ -1,7 +1,7 @@
 # (C)2004-2008 SourceMod Development Team
 # Makefile written by David "BAILOPAN" Anderson
 
-SOURCEMM16 = ../../sourcemm-1.6
+SOURCEMM16 = ../../mmsource
 
 #####################################
 ### EDIT BELOW FOR OTHER PROJECTS ###
@@ -23,7 +23,7 @@ CPP = gcc-4.1
 
 LINK = -static-libgcc
 
-INCLUDE = -I$(SOURCEMM16) -I$(SOURCEMM16)/sourcehook -I$(SOURCEMM16)/sourcemm
+INCLUDE = -I$(SOURCEMM16) -I$(SOURCEMM16)/sourcehook
 
 CFLAGS += -D_LINUX -Dstricmp=strcasecmp -D_stricmp=strcasecmp -D_strnicmp=strncasecmp -Dstrnicmp=strncasecmp \
 	-D_snprintf=snprintf -D_vsnprintf=vsnprintf -D_alloca=alloca -Dstrcmpi=strcasecmp -Wall -Wno-uninitialized \

loader/loader.cpp

@@ -67,6 +67,7 @@
 #define FILENAME_1_4_EP1			"sourcemod.1.ep1" PLATFORM_EXT
 #define FILENAME_1_6_EP2			"sourcemod.2.ep2" PLATFORM_EXT
 #define FILENAME_1_6_EP1			"sourcemod.2.ep1" PLATFORM_EXT
+#define FILENAME_1_7_L4D			"sourcemod.2.l4d" PLATFORM_EXT
 
 HINSTANCE g_hCore = NULL;
 bool load_attempted = false;
@@ -213,6 +214,11 @@ DLL_EXPORT METAMOD_PLUGIN *CreateInterface_MMS(const MetamodVersionInfo *mvi, co
 			filename = FILENAME_1_6_EP1;
 			break;
 		}
+	case SOURCE_ENGINE_LEFT4DEAD:
+		{
+			filename = FILENAME_1_7_L4D;
+			break;
+		}
 	default:
 		{
 			return NULL;