diff --git a/AMBuildScript b/AMBuildScript
index 9598e119..b848ac10 100644
--- a/AMBuildScript
+++ b/AMBuildScript
@@ -30,7 +30,7 @@ class SM:
 		self.possibleSdks['eye'] =   {'sdk': 'HL2SDK-EYE',      'ext': '2.eye', 'def': '5',
 		                         'name': 'EYE', 'platform': ['windows']}
 		self.possibleSdks['csgo'] =  {'sdk': 'HL2SDKCSGO',     'ext': '2.csgo',  'def': '12',
-		                         'name': 'CSGO',           'platform': ['windows', 'linux']}
+		                         'name': 'CSGO',           'platform': ['windows', 'linux', 'darwin']}
 		# self.possibleSdks['portal2'] =  {'sdk': 'HL2SDK-PORTAL2',     'ext': '2.portal2',  'def': '11',
 		#                          'name': 'PORTAL2',           'platform': ['windows']}
 		
@@ -46,13 +46,13 @@ class SM:
 									'HL2SDKOBVALVE': 'hl2sdk-ob-valve',
 									'HL2SDKL4D':     'hl2sdk-l4d',
 									'HL2SDKL4D2':    'hl2sdk-l4d2',
+									'HL2SDKCSGO':    'hl2sdk-csgo',
 									'MYSQL5':        'mysql-5.0'
 			}
 
 			if AMBuild.target['platform'] != 'darwin':
 				envvars['HL2SDK'] = 'hl2sdk'
 				envvars['HL2SDKOB'] = 'hl2sdk-ob'
-				envvars['HL2SDKCSGO'] = 'hl2sdk-csgo'
 
 			#Dark Messiah is Windows-only
 			if AMBuild.target['platform'] == 'windows':
@@ -195,6 +195,8 @@ class SM:
 				if self.vendor == 'clang':
 					self.compiler.AddToListVar('POSTLINKFLAGS', '-lgcc_eh')
 			elif AMBuild.target['platform'] == 'darwin':
+				self.compiler.AddToListVar('CDEFINES', 'OSX')
+				self.compiler.AddToListVar('CDEFINES', '_OSX')
 				self.compiler.AddToListVar('POSTLINKFLAGS', '-mmacosx-version-min=10.5')
 				self.compiler.AddToListVar('POSTLINKFLAGS', ['-arch', 'i386'])
 				self.compiler.AddToListVar('POSTLINKFLAGS', '-lstdc++')
diff --git a/core/logic/AMBuilder b/core/logic/AMBuilder
index e3da04fb..1e5af769 100644
--- a/core/logic/AMBuilder
+++ b/core/logic/AMBuilder
@@ -13,6 +13,7 @@ compiler['CDEFINES'].append('SM_LOGIC')
 if AMBuild.target['platform'] == 'linux':
 	compiler['POSTLINKFLAGS'].append('-lpthread')
 if AMBuild.target['platform'] == 'darwin':
+	compiler['CFLAGS'].extend(['-Wno-deprecated-declarations'])
 	compiler['POSTLINKFLAGS'].extend(['-framework', 'CoreServices'])
 
 extension = AMBuild.AddJob('sourcemod.logic')
diff --git a/extensions/cstrike/CDetour/detourhelpers.h b/extensions/cstrike/CDetour/detourhelpers.h
index 85cda0ea..0d8a29f7 100644
--- a/extensions/cstrike/CDetour/detourhelpers.h
+++ b/extensions/cstrike/CDetour/detourhelpers.h
@@ -34,7 +34,9 @@
 
 #if defined PLATFORM_POSIX
 #include <sys/mman.h>
+#ifndef PAGE_SIZE
 #define	PAGE_SIZE	4096
+#endif
 #define ALIGN(ar) ((long)ar & ~(PAGE_SIZE-1))
 #define	PAGE_EXECUTE_READWRITE	PROT_READ|PROT_WRITE|PROT_EXEC
 #endif
diff --git a/extensions/sdktools/CDetour/detourhelpers.h b/extensions/sdktools/CDetour/detourhelpers.h
index 4df2b69f..491a827f 100644
--- a/extensions/sdktools/CDetour/detourhelpers.h
+++ b/extensions/sdktools/CDetour/detourhelpers.h
@@ -34,7 +34,9 @@
 
 #if defined PLATFORM_POSIX
 #include <sys/mman.h>
+#ifndef PAGE_SIZE
 #define	PAGE_SIZE	4096
+#endif
 #define ALIGN(ar) ((long)ar & ~(PAGE_SIZE-1))
 #define	PAGE_EXECUTE_READWRITE	PROT_READ|PROT_WRITE|PROT_EXEC
 #endif
diff --git a/gamedata/sm-cstrike.games/game.csgo.txt b/gamedata/sm-cstrike.games/game.csgo.txt
index 056ae0f0..59f42809 100644
--- a/gamedata/sm-cstrike.games/game.csgo.txt
+++ b/gamedata/sm-cstrike.games/game.csgo.txt
@@ -11,7 +11,6 @@
 
 "Games"
 {
-	//No mac binary yet so no mac gamedata
 	"csgo"
 	{
 		"Offsets"
@@ -21,32 +20,34 @@
 			{
 				"windows"		"6"
 				"linux"			"6"
+				"mac"			"6"
 			}
 			"WeaponPrice"
 			{
 				"windows"		"2700"
 				"linux"			"2700"
+				"mac"			"2700"
 			}
 			//Offset into CheckRestartRound
-			//Only Windows/Linux for now.
 			"CTTeamScoreOffset"
 			{
 				"windows"	"97"
 				"linux"		"124"
+				"mac"		"150"
 			}
 			//Offset into CheckRestartRound
-			//Only Windows/Linux for now.
 			"TTeamScoreOffset"
 			{
 				"windows"	"119"
 				"linux"		"159"
+				"mac"		"185"
 			}
 			//Offset into IncrementNumMVPs to find MVP count offset from player
-			//Only Windows/Linux for now.
 			"MVPCountOffset"
 			{
 				"windows"	"46"
 				"linux"		"47"
+				"mac"		"61"
 			}
 		}
 		"Signatures"
@@ -56,42 +57,49 @@
 				"library"	"server"
 				"windows"	"\x55\x8B\xEC\x83\xEC\x2A\x56\x8B\xF1\x8B\x0D\x2A\x2A\x2A\x2A\x57\xE8\x2A\x2A\x2A\x2A\x84\xC0\x75"
 				"linux"		"@_ZN9CCSPlayer12RoundRespawnEv"
+				"mac"		"@_ZN9CCSPlayer12RoundRespawnEv"
 			}
 			"SwitchTeam"
 			{
 				"library"	"server"
 				"windows"	"\x55\x8B\xEC\x83\xEC\x2A\x56\x57\x8B\x7D\x2A\x57\x8B\xF1\xE8\x2A\x2A\x2A\x2A\x83\xC4"
 				"linux"		"@_ZN9CCSPlayer10SwitchTeamEi"
+				"mac"		"@_ZN9CCSPlayer10SwitchTeamEi"
 			}
 			"HandleCommand_Buy_Internal"
 			{
 				"library"		"server"
 				"windows"		"\x55\x8B\xEC\x81\xEC\x2A\x2A\x00\x00\x53\x56\x8B\xF1\x80\xBE\x2A\x2A\x00\x00\x00"
 				"linux"			"@_ZN9CCSPlayer26HandleCommand_Buy_InternalEPKc"
+				"mac"			"@_ZN9CCSPlayer26HandleCommand_Buy_InternalEPKc"
 			}
 			"CSWeaponDrop"//Wildcard first 6 bytes for CS:S DM
 			{
 				"library"		"server"
 				"windows"		"\x2A\x2A\x2A\x2A\x2A\x2A\x2A\x2A\x2A\x53\x56\x8B\x2A\x2A\x32\xDB\x57\x8B\xF9\x85\xF6\x0F\x84"
 				"linux"			"@_ZN9CCSPlayer12CSWeaponDropEP17CBaseCombatWeaponbb"
+				"mac"			"@_ZN9CCSPlayer12CSWeaponDropEP17CBaseCombatWeaponbb"
 			}
 			"TerminateRound"
 			{
 				"library"		"server"
 				"windows"		"\x55\x8B\xEC\x83\xEC\x2A\x53\x8B\x2A\x2A\x56\x57\x33\xFF"
 				"linux"			"@_ZN12CCSGameRules14TerminateRoundEfi"
+				"mac"			"@_ZN12CCSGameRules14TerminateRoundEfi"
 			}
 			"GetTranslatedWeaponAlias"
 			{
 				"library"		"server"
 				"windows"		"\x55\x8B\xEC\x56\x57\x8B\x2A\x2A\x33\xF6\x8D\x9B\x2A\x2A\x2A\x2A\x8B\x04\xF5\x2A\x2A\x2A\x2A\x57\x50\xE8\x2A\x2A\x2A\x2A\x83\xC4\x2A\x85\xC0\x74\x2A\x46\x83\xFE\x2A\x72\x2A\x8B\xC7\x5F\x5E\x5D\xC3"
 				"linux"			"@_Z24GetTranslatedWeaponAliasPKc"
+				"mac"			"@_Z24GetTranslatedWeaponAliasPKc"
 			}
 			"GetWeaponInfo"
 			{
 				"library"		"server"
 				"windows"		"\x55\x8B\xEC\x8B\x4D\x2A\x33\xC0\x85\xC9\x74"
 				"linux"			"@_Z13GetWeaponInfo10CSWeaponID"
+				"mac"			"@_Z13GetWeaponInfo10CSWeaponID"
 			}
 			//In CS:GO this is actually CCSGameRules::CheckRestartRound(void) but to keep same gamedata as cs:s.
 			"CheckWinLimit"
@@ -99,18 +107,21 @@
 				"library"	"server"
 				"windows"	"\x55\x8B\xEC\x83\xEC\x2A\x56\x57\x8B\xF9\x8B\x0D\x2A\x2A\x2A\x2A\x81\xF9\x2A\x2A\x2A\x2A\x75\x2A\x8B"
 				"linux"		"@_ZN12CCSGameRules17CheckRestartRoundEv"
+				"mac"		"@_ZN12CCSGameRules17CheckRestartRoundEv"
 			}
 			"IncrementNumMVPs"
 			{
 				"library"	"server"
 				"windows"	"\x55\x8B\xEC\xA1\x2A\x2A\x2A\x2A\x8B\x50\x2A\x57\x8B\xF9\xB9\x2A\x2A\x2A\x2A\xFF\xD2\x85\xC0\x74\x2A\x68"
 				"linux"		"@_ZN9CCSPlayer16IncrementNumMVPsE13CSMvpReason_t"
+				"mac"		"@_ZN9CCSPlayer16IncrementNumMVPsE13CSMvpReason_t"
 			}
 			"AliasToWeaponID"
 			{
 				"library"	"server"
 				"windows"	"\x55\x8B\xEC\x56\x57\x8B\x2A\x2A\x85\xFF\x74\x2A\x33\xF6\x8B\xFF"
 				"linux"		"@_Z15AliasToWeaponIDPKc"
+				"mac"		"@_Z15AliasToWeaponIDPKc"
 			}
 		}
 	}
diff --git a/tools/buildbot/PackageScript b/tools/buildbot/PackageScript
index b52c5027..cf7ed709 100644
--- a/tools/buildbot/PackageScript
+++ b/tools/buildbot/PackageScript
@@ -228,8 +228,7 @@ AddNormalLibrary('dbi.mysql.ext', 'extensions')
 AddNormalLibrary('dbi.sqlite.ext', 'extensions')
 
 AddNormalLibrary('game.cstrike.ext.2.css', 'extensions')
-if AMBuild.target['platform'] != 'darwin':
-	AddNormalLibrary('game.cstrike.ext.2.csgo', 'extensions')
+AddNormalLibrary('game.cstrike.ext.2.csgo', 'extensions')
 	
 AddNormalLibrary('game.tf2.ext.2.ep2v', 'extensions')
 AddNormalLibrary('topmenus.ext', 'extensions')