added linux support

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40359

public/sample_ext/Makefile

@@ -0,0 +1,91 @@
+#(C)2004-2006 SourceMM Development Team
+# Makefile written by David "BAILOPAN" Anderson
+
+SMSDK = ../..
+SRCDS = ~/srcds
+SOURCEMM = ../../../../sourcemm
+
+#####################################
+### EDIT BELOW FOR OTHER PROJECTS ###
+#####################################
+
+PROJECT = sample
+
+#Uncomment for SourceMM-enabled extensions
+#LINK_HL2 = $(HL2LIB)/tier1_i486.a vstdlib_i486.so tier0_i486.so 
+
+OBJECTS = extension.cpp smsdk_ext.cpp
+
+##############################################
+### CONFIGURE ANY OTHER FLAGS/OPTIONS HERE ###
+##############################################
+
+C_OPT_FLAGS = -O3 -funroll-loops -s -pipe -fno-strict-aliasing
+C_DEBUG_FLAGS = -g -ggdb3
+CPP_GCC4_FLAGS = -fvisibility=hidden -fvisibility-inlines-hidden
+CPP = gcc-4.1
+
+HL2PUB = $(HL2SDK)/public
+HL2LIB = $(HL2SDK)/linux_sdk
+HL2SDK = $(SOURCEMM)/hl2sdk
+SMM_TRUNK = $(SOURCEMM)/trunk
+
+LINK = $(LINK_HL2) -static-libgcc
+
+INCLUDE = -I. -I.. -I$(HL2PUB) -I$(HL2PUB)/dlls -I$(HL2PUB)/engine -I$(HL2PUB)/tier0 -I$(HL2PUB)/tier1 \
+          -I$(HL2PUB)/vstdlib -I$(HL2SDK)/tier1 -I$(SMM_TRUNK) -I$(SMM_TRUNK)/sourcehook -I$(SMM_TRUNK)/sourcemm \
+	  -I$(SMSDK)/public -I$(SMSDK)/public/sourcepawn -I$(SMSDK)/public/extensions \
+
+CFLAGS = -D_LINUX -DNDEBUG -Dstricmp=strcasecmp -D_stricmp=strcasecmp -D_strnicmp=strncasecmp -Dstrnicmp=strncasecmp -D_snprintf=snprintf -D_vsnprintf=vsnprintf -D_alloca=alloca -Dstrcmpi=strcasecmp -Wall -Werror -fPIC -msse -DSOURCEMOD_BUILD
+CPPFLAGS = -Wno-non-virtual-dtor -fno-exceptions -fno-rtti
+
+################################################
+### DO NOT EDIT BELOW HERE FOR MOST PROJECTS ###
+################################################
+
+ifeq "$(DEBUG)" "true"
+	BIN_DIR = Debug
+	CFLAGS = $(C_DEBUG_FLAGS)
+else
+	BIN_DIR = Release
+	CFLAGS = $(C_OPT_FLAGS)
+endif
+
+
+GCC_VERSION := $(shell $(CPP) -dumpversion >&1 | cut -b1)
+ifeq "$(GCC_VERSION)" "4"
+	CPPFLAGS += $(CPP_GCC4_FLAGS)
+endif
+
+BINARY = $(PROJECT).ext.so
+
+OBJ_LINUX := $(OBJECTS:%.cpp=$(BIN_DIR)/%.o)
+OBJ_LINUX := $(OBJECTS:%.c=$(BIN_DIR)/%.o)
+
+$(BIN_DIR)/%.o: %.cpp
+	$(CPP) $(INCLUDE) $(CFLAGS) $(CPPFLAGS) -o $@ -c $<
+
+$(BIN_DIR)/%.o: %.c
+	$(CPP) $(INCLUDE) $(CFLAGS) -o $@ -c $<
+
+all:
+	mkdir -p $(BIN_DIR)
+	ln -sf $(SRCDS)/bin/vstdlib_i486.so vstdlib_i486.so
+	ln -sf $(SRCDS)/bin/tier0_i486.so tier0_i486.so
+	$(MAKE) extension
+	rm -rf $(BINARY)
+
+extension: $(OBJ_LINUX)
+	$(CPP) $(INCLUDE) $(CFLAGS) $(CPPFLAGS) $(OBJ_LINUX) $(LINK) -shared -ldl -lm -o$(BIN_DIR)/$(BINARY)
+
+debug:	
+	$(MAKE) all DEBUG=true
+
+default: all
+
+clean:
+	rm -rf Release/*.o
+	rm -rf Release/$(BINARY)
+	rm -rf Debug/*.o
+	rm -rf Debug/$(BINARY)
+

public/sample_ext/smsdk_ext.cpp

@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <malloc.h>
 #include "smsdk_ext.h"
 
 IShareSys *g_pShareSys = NULL;
@@ -279,3 +280,31 @@ bool SDKExtension::SDK_OnMetamodPauseChange(bool paused, char *error, size_t err
 }
 
 #endif
+
+/* Overload a few things to prevent libstdc++ linking */
+#if defined __linux__
+extern "C" void __cxa_pure_virtual(void)
+{
+}
+
+void *operator new(size_t size)
+{
+	return malloc(size);
+}
+
+void *operator new[](size_t size) 
+{
+	return malloc(size);
+}
+
+void operator delete(void *ptr) 
+{
+	free(ptr);
+}
+
+void operator delete[](void * ptr)
+{
+	free(ptr);
+}
+#endif
+