commit 93dbfd0695909b7f41a8d52e0dc2fd69c8da0688
Author: mittorn <mittorn@sibmail.com>
Date:   Thu Dec 3 01:42:13 2015 +0600

    Gcc build

diff --git a/rehlds/engine/Makefile.dep b/rehlds/engine/Makefile.dep
new file mode 100644
index 0000000..e69de29
diff --git a/rehlds/engine/Makefile.linux b/rehlds/engine/Makefile.linux
new file mode 100644
index 0000000..90c830f
--- /dev/null
+++ b/rehlds/engine/Makefile.linux
@@ -0,0 +1,54 @@
+CC ?= gcc
+CXX ?= g++
+CFLAGS ?= -Og -ggdb -msse4.1
+LDFLAGS =
+LIBS = -lm
+LBITS := $(shell getconf LONG_BIT)
+ifeq ($(LBITS),64)
+    LDFLAGS += -m32
+    CFLAGS += -m32
+endif
+TOPDIR = $(PWD)/..
+XASHXT ?= $(TOPDIR)/../xashXT
+HLSDK ?= $(TOPDIR)/../halflife/
+INCLUDES = -Icommon -I../common -I. -I../pm_shared -I../rehlds -I../hookers -I../ -I../public -I../public/rehlds -I../testsuite
+DEFINES = -D_stricmp=strcasecmp -fpermissive -w -DREHLDS_SELF -D_vsnprintf=vsnprintf -D_strnicmp=strncasecmp -DSWDS -DNOCPUID -DREHLDS_GCC -DSYSTEM_BZIP2 -DNOBREAKPAD -std=c++11 -D_strdup=strdup -D_unlink=unlink -mavx
+
+%.o : %.c
+	$(CC) $(CFLAGS) $(INCLUDES) $(DEFINES) -fPIC -c $< -o $@
+
+%.o : %.cpp
+	$(CXX) $(CFLAGS) $(INCLUDES) $(DEFINES) -fPIC -c $< -o $@
+
+SRCS_CPP = $(wildcard *.cpp) ../public/registry.cpp ../public/tier0/dbg.cpp ../public/steamid.cpp ../public/utlbuffer.cpp $(wildcard ../rehlds/*.cpp)
+#ifeq ($(XASH_VGUI),1)
+#    SRCS_CPP += $(wildcard client/vgui/*.cpp)
+#endif
+
+OBJS_CPP = $(SRCS_CPP:.cpp=.o)
+# ../rehlds/rehlds_api_impl.o ../rehlds/flight_recorder.o
+SRCS = $(wildcard *.c)
+OBJS = $(SRCS:.c=.o)
+
+engine.so : $(OBJS) $(OBJS_CPP)
+	$(CXX) -o engine.so $(LDFLAGS) -shared $(OBJS) $(OBJS_CPP) $(LIBS) libsteam_api.so -lbz2 -Wl,--no-undefined -ldl
+
+
+.PHONY: depend clean list
+
+clean:
+	$(RM) $(OBJS) $(OBJS_CPP) engine.so
+
+list:
+	@echo Sources:
+	@echo $(SRCS)
+	@echo C++ Sources:
+	@echo $(SRCS_CPP)
+	@echo Objects:
+	@echo $(OBJS) $(OBJS_CPP)
+
+depend: $(SRCS) $(SRCS_CPP)
+	touch Makefile.dep
+	makedepend -fMakefile.dep -- $(DEFINES) -Icommon -I../common -I. -I../pm_shared -Iclient -Iserver -Iclient/vgui -- $^
+
+include Makefile.dep
diff --git a/rehlds/engine/sv_main.cpp b/rehlds/engine/sv_main.cpp
index 87ea03e..f26ac57 100644
--- a/rehlds/engine/sv_main.cpp
+++ b/rehlds/engine/sv_main.cpp
@@ -467,6 +467,7 @@ qboolean __declspec(naked) SV_IsPlayerIndex_wrapped(int index)
 	// Original SV_IsPlayerIndex in swds.dll doesn't modify ecx nor edx.
 	// During the compilation of original swds.dll compiler was assuming that these registers wouldn't be modified during call to SV_IsPlayerIndex().
 	// This is not true for code produced by msvc2013 (which uses ecx even in Release config). That's why we need a wrapper here that preserves ecx and edx before call to reversed SV_IsPlayerIndex().
+#ifndef REHLDS_GCC
 	__asm
 	{
 		mov eax, dword ptr[esp + 4];
@@ -479,6 +480,9 @@ qboolean __declspec(naked) SV_IsPlayerIndex_wrapped(int index)
 		pop ecx;
 		retn;
 	}
+#else
+#warning Stub on gcc
+#endif
 }
 
 /* <a6717> ../engine/sv_main.c:514 */
@@ -5139,6 +5143,7 @@ void SV_WriteVoiceCodec(sizebuf_t *pBuf)
  */
 void __invokeValvesBuggedCreateBaseline(void* func, int player, int eindex, struct entity_state_s *baseline, struct edict_s *entity, int playermodelindex, vec_t* pmins, vec_t* pmaxs)
 {
+#ifndef REHLDS_GCC
 	__asm {
 		mov ecx, func
 		push 0
@@ -5155,6 +5160,7 @@ void __invokeValvesBuggedCreateBaseline(void* func, int player, int eindex, stru
 		call ecx
 		add esp, 0x2C
 	}
+#endif
 }
 
 /* <a9cf9> ../engine/sv_main.c:6866 */
@@ -5187,7 +5193,11 @@ void SV_CreateBaseline(void)
 				else
 					g_psv.baselines[entnum].entityType = ENTITY_NORMAL;
 
+#ifndef REHLDS_GCC
 				__invokeValvesBuggedCreateBaseline((void *)gEntityInterface.pfnCreateBaseline, player, entnum, &(g_psv.baselines[entnum]), svent, sv_playermodel, player_mins[0], player_maxs[0]);
+#else
+				gEntityInterface.pfnCreateBaseline(player, entnum, &(g_psv.baselines[entnum]), svent, sv_playermodel, player_mins[0], player_maxs[0]);
+#endif
 				sv_lastnum = entnum;
 			}
 		}
diff --git a/rehlds/engine/sv_steam3.cpp b/rehlds/engine/sv_steam3.cpp
index 4c69b08..6396830 100644
--- a/rehlds/engine/sv_steam3.cpp
+++ b/rehlds/engine/sv_steam3.cpp
@@ -63,6 +63,8 @@ void CSteam3Server::OnLogonSuccess(SteamServersConnected_t *pLogonSuccess)
 /* <ee390> ../engine/sv_steam3.cpp:128 */
 uint64 CSteam3Server::GetSteamID()
 {
+	if(!this)
+	   return 0; // may happend sometimes
 	if (m_bLanOnly)
 		return CSteamID(0, k_EUniversePublic, k_EAccountTypeInvalid).ConvertToUint64();
 	else
@@ -831,7 +833,9 @@ qboolean Steam_GSBSecure(void)
 {
 	//useless call
 	//Steam3Server();
-	return CRehldsPlatformHolder::get()->SteamGameServer()->BSecure();
+	if(CRehldsPlatformHolder::get()->SteamGameServer())
+		return CRehldsPlatformHolder::get()->SteamGameServer()->BSecure();
+	return false;
 }
 
 /* <f1d59> ../engine/sv_steam3.cpp:1036 */
diff --git a/rehlds/public/asmlib.h b/rehlds/public/asmlib.h
index d95d13d..e3b50f2 100644
--- a/rehlds/public/asmlib.h
+++ b/rehlds/public/asmlib.h
@@ -104,7 +104,10 @@ void   A_DebugBreak(void);                                     // Makes a debug
 #endif
 void cpuid_ex (int abcd[4], int eax, int ecx);                 // call CPUID instruction
 static inline void cpuid_abcd (int abcd[4], int eax) {
-   cpuid_ex(abcd, eax, 0);}
+#ifndef NOCPUID
+   cpuid_ex(abcd, eax, 0);
+#endif
+   }
 
 #ifdef __cplusplus
 }  // end of extern "C"
diff --git a/rehlds/public/basetypes.h b/rehlds/public/basetypes.h
index 5f3a677..e750876 100644
--- a/rehlds/public/basetypes.h
+++ b/rehlds/public/basetypes.h
@@ -47,13 +47,20 @@
 // In case this ever changes
 #define M_PI			3.14159265358979323846
 
-#ifndef min
-#define min(a,b)  (((a) < (b)) ? (a) : (b))
+#ifndef REHLDS_GCC
+#ifndef min
+
+#define min(a,b)  (((a) < (b)) ? (a) : (b))
 #endif
 
-#ifndef max
-#define max(a,b)  (((a) > (b)) ? (a) : (b))
+#ifndef max
+
+#define max(a,b)  (((a) > (b)) ? (a) : (b))
 #endif
+#else
+#define max(a,b) ((a)>(b)?(a):(b))
+#define min(a,b) ((a)<(b)?(a):(b))
+#endif
 
 #ifdef __cplusplus
 template<typename T>
diff --git a/rehlds/public/rehlds/osconfig.h b/rehlds/public/rehlds/osconfig.h
index 54bb0c8..249f1af 100644
--- a/rehlds/public/rehlds/osconfig.h
+++ b/rehlds/public/rehlds/osconfig.h
@@ -126,6 +126,8 @@
 	#ifndef PAGESIZE
 		#define PAGESIZE 4096
 	#endif
+#include <stdint.h>
+	#define __int64 int64_t
 	#define ALIGN(addr) (size_t)((size_t)addr & ~(PAGESIZE-1))
 	#define ARRAYSIZE(p) (sizeof(p)/sizeof(p[0]))
 
@@ -166,7 +168,13 @@
 
 	#define WSAENOPROTOOPT ENOPROTOOPT
 
+#ifdef REHLDS_GCC
+#include <byteswap.h>
+	inline unsigned long _byteswap_ulong(unsigned long val) { return bswap_32(val); }
+#else
 	inline unsigned long _byteswap_ulong(unsigned long val) { return _bswap(val); }
+#endif
+
 
 	#ifndef FALSE
 	#define FALSE	0
@@ -174,6 +182,10 @@
 	#ifndef TRUE
 	#define TRUE	1
 	#endif
+#ifdef REHLDS_GCC
+	#define __FUNCTION__ ""
+// __func__ is not a macro
+#endif
 #endif // _WIN32
 
 #ifdef _WIN32
@@ -186,6 +198,7 @@
 
 #define EXT_FUNC FORCE_STACK_ALIGN
 
+#define __declspec(x)
 extern void __declspec(noreturn) rehlds_syserror(const char* fmt, ...);
 
 #endif // _OSCONFIG_H
diff --git a/rehlds/public/rehlds/sys_shared.cpp b/rehlds/public/rehlds/sys_shared.cpp
index 58981d6..da21929 100644
--- a/rehlds/public/rehlds/sys_shared.cpp
+++ b/rehlds/public/rehlds/sys_shared.cpp
@@ -39,9 +39,10 @@
 #define AVX2_FLAG		(1<<5)
 
 cpuinfo_t cpuinfo;
-
+
 void Sys_CheckCpuInstructionsSupport(void)
 {
+#ifndef NOCPUID
 	int cpuid_data[4];
 
 	cpuid_ex(cpuid_data, 1, 0);
@@ -55,4 +56,7 @@ void Sys_CheckCpuInstructionsSupport(void)
 	cpuid_ex(cpuid_data, 7, 0);
 
 	cpuinfo.avx2 = (cpuid_data[1] & AVX2_FLAG) ? 1 : 0; // ebx
-}
\ No newline at end of file
+#else
+/// TODO: fill cpu flags
+#endif
+}
diff --git a/rehlds/public/tier0/fasttimer.h b/rehlds/public/tier0/fasttimer.h
index d6ef979..3be0aff 100644
--- a/rehlds/public/tier0/fasttimer.h
+++ b/rehlds/public/tier0/fasttimer.h
@@ -246,7 +246,8 @@ inline void CCycleCount::Init(float initTimeMsec)
 inline void CCycleCount::Sample()
 {
 	unsigned long* pSample = (unsigned long *)&m_Int64;
-	__asm
+#ifndef REHLDS_GCC
+__asm
 	{
 		// force the cpu to synchronize the instruction queue
 		// NJS: CPUID can really impact performance in tight loops.
@@ -258,6 +259,10 @@ inline void CCycleCount::Sample()
 			mov[ecx], eax
 			mov[ecx + 4], edx
 	}
+#else
+/// Is it correct? But it works now
+usleep(1000);
+#endif
 }
 
 
diff --git a/rehlds/rehlds/platform.cpp b/rehlds/rehlds/platform.cpp
index 1d01106..a44a960 100644
--- a/rehlds/rehlds/platform.cpp
+++ b/rehlds/rehlds/platform.cpp
@@ -143,11 +143,15 @@ int CSimplePlatform::WSAGetLastError() {
 
 #endif //WIN32
 void CSimplePlatform::SteamAPI_SetBreakpadAppID(uint32 unAppID) {
+#ifndef NOBREAKPAD
 	return ::SteamAPI_SetBreakpadAppID(unAppID);
+#endif
 }
 
 void CSimplePlatform::SteamAPI_UseBreakpadCrashHandler(char const *pchVersion, char const *pchDate, char const *pchTime, bool bFullMemoryDumps, void *pvContext, PFNPreMinidumpCallback m_pfnPreMinidumpCallback) {
+#ifndef NOBREAKPAD
 	::SteamAPI_UseBreakpadCrashHandler(pchVersion, pchDate, pchTime, bFullMemoryDumps, pvContext, m_pfnPreMinidumpCallback);
+#endif
 }
 
 void CSimplePlatform::SteamAPI_RegisterCallback(CCallbackBase *pCallback, int iCallback) {
diff --git a/rehlds/rehlds/precompiled.h b/rehlds/rehlds/precompiled.h
index 89439d8..f78ad8d 100644
--- a/rehlds/rehlds/precompiled.h
+++ b/rehlds/rehlds/precompiled.h
@@ -43,7 +43,11 @@
 #include "player.h"
 #include "anonymizer.h"
 
-#include "bzip2/bzlib.h"
+#ifdef SYSTEM_BZIP2
+#include <bzlib.h>
+#else
+#include "bzip2/bzlib.h"
+#endif
 #include "igame.h"
 #include "sys_linuxwnd.h"