diff --git a/filesystem/basefilesystem.cpp b/filesystem/basefilesystem.cpp
index b6998365bc..b154b70e46 100644
--- a/filesystem/basefilesystem.cpp
+++ b/filesystem/basefilesystem.cpp
@@ -5020,6 +5020,7 @@ void CBaseFileSystem::CSearchPathsIterator::CopySearchPaths( const CUtlVector<CS
 CSysModule *CBaseFileSystem::LoadModule( const char *pFileName, const char *pPathID, bool bValidatedDllOnly )
 {
 	CHECK_DOUBLE_SLASHES( pFileName );
+	CSysModule *pModule = NULL;
 
 	LogFileAccess( pFileName );
 	if ( !pPathID )
@@ -5044,16 +5045,33 @@ CSysModule *CBaseFileSystem::LoadModule( const char *pFileName, const char *pPat
 			continue;
 
 		Q_snprintf( tempPathID, sizeof(tempPathID), "%s%s", m_SearchPaths[i].GetPathString(), pFileName ); // append the path to this dir.
-		CSysModule *pModule = Sys_LoadModule( tempPathID );
+		pModule = Sys_LoadModule( tempPathID );
 		if ( pModule ) 
 		{
 			// we found the binary in one of our search paths
 			return pModule;
 		}
+
+#ifdef POSIX
+		Q_snprintf( tempPathID, sizeof(tempPathID), "%slib%s", m_SearchPaths[i].GetPathString(), pFileName ); // append the path to this dir.
+		printf(tempPathID);
+		pModule = Sys_LoadModule( tempPathID );
+		if ( pModule )
+			return pModule;
+#endif
 	}
 
-	// couldn't load it from any of the search paths, let LoadLibrary try
-	return Sys_LoadModule( pFileName );
+
+#ifdef POSIX
+	Q_snprintf( tempPathID, sizeof(tempPathID), "lib%s", pFileName );
+	pModule = Sys_LoadModule( tempPathID );
+	if( !pModule )
+#endif
+	{
+		pModule = Sys_LoadModule( pFileName );
+	}
+
+	return pModule;
 }
 
 //-----------------------------------------------------------------------------
diff --git a/launcher_main/main.cpp b/launcher_main/main.cpp
index 368e28452c..22d1a77922 100644
--- a/launcher_main/main.cpp
+++ b/launcher_main/main.cpp
@@ -215,7 +215,10 @@ static void WaitForDebuggerConnect( int argc, char *argv[], int time )
 
 int main( int argc, char *argv[] )
 {
-	void *launcher = dlopen( "bin/launcher" DLL_EXT_STRING, RTLD_NOW );
+	void *launcher = dlopen( "bin/liblauncher" DLL_EXT_STRING, RTLD_NOW );
+	if( !launcher )
+		void *launcher = dlopen( "bin/launcher" DLL_EXT_STRING, RTLD_NOW );
+
 	if ( !launcher )
 	{
 		fprintf( stderr, "Failed to load the launcher\n" );
diff --git a/public/filesystem_init.cpp b/public/filesystem_init.cpp
index c1bcf3e131..d61265780e 100644
--- a/public/filesystem_init.cpp
+++ b/public/filesystem_init.cpp
@@ -1084,6 +1084,7 @@ FSReturnCode_t FileSystem_SetBasePaths( IFileSystem *pFileSystem )
 //-----------------------------------------------------------------------------
 FSReturnCode_t FileSystem_GetFileSystemDLLName( char *pFileSystemDLL, int nMaxLen, bool &bSteam )
 {
+#if 0
 	bSteam = false;
 
 	// Inside of here, we don't have a filesystem yet, so we have to assume that the filesystem_stdio or filesystem_steam
@@ -1112,6 +1113,31 @@ FSReturnCode_t FileSystem_GetFileSystemDLLName( char *pFileSystemDLL, int nMaxLe
 			bSteam = true;
 		}
 	#endif
+#else
+	char executablePath[MAX_PATH];
+	if ( !FileSystem_GetExecutableDir( executablePath, sizeof( executablePath ) )	)
+		return SetupFileSystemError( false, FS_INVALID_PARAMETERS, "FileSystem_GetExecutableDir failed." );
+
+	// Assume we'll use local files
+	Q_snprintf( pFileSystemDLL, nMaxLen, "%s%clibfilesystem_stdio" DLL_EXT_STRING, executablePath, CORRECT_PATH_SEPARATOR );
+
+	#if !defined( _X360 )
+		// Use filsystem_steam if it exists?
+		#if defined( OSX ) || defined( LINUX )
+			struct stat statBuf;
+		#endif
+		if (
+			#if defined( OSX ) || defined( LINUX )
+				stat( pFileSystemDLL, &statBuf ) != 0
+			#else
+				_access( pFileSystemDLL, 0 ) != 0
+			#endif
+		) {
+			Q_snprintf( pFileSystemDLL, nMaxLen, "%s%cfilesystem_stdio" DLL_EXT_STRING, executablePath, CORRECT_PATH_SEPARATOR );
+		}
+	#endif
+
+#endif
 
 	return FS_OK;
 }
diff --git a/scripts/continious_upload.sh b/scripts/continious_upload.sh
deleted file mode 100644
index 1301102f3f..0000000000
--- a/scripts/continious_upload.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-##################################
-#
-#        GitHub Releases
-#
-##################################
-
-set +x
-
-# Disabled until GitHub sends prereleases to email
-
-wget -O upload.sh "https://raw.githubusercontent.com/FWGS/uploadtool/master/upload.sh"
-chmod +x upload.sh
-
-export GITHUB_TOKEN=$GH_TOKEN
-./upload.sh $*
diff --git a/scripts/waifulib/compiler_optimizations.py b/scripts/waifulib/compiler_optimizations.py
index b426f0167b..90dbcbe542 100644
--- a/scripts/waifulib/compiler_optimizations.py
+++ b/scripts/waifulib/compiler_optimizations.py
@@ -49,7 +49,7 @@ CFLAGS = {
 		# disable thread-safe local static initialization for C++11 code, as it cause crashes on Windows XP
 		'msvc':    ['/D_USING_V110_SDK71_', '/Zi', '/FS', '/Zc:threadSafeInit-', '/MT'],
 		'clang':   ['-g', '-gdwarf-2', '-fvisibility=hidden'],
-		'gcc':     ['-fvisibility=hidden'],
+		'gcc':     ['-g', '-fvisibility=hidden'],
 		'owcc':	   ['-fno-short-enum', '-ffloat-store', '-g3']
 	},
 	'fast': {
@@ -70,7 +70,7 @@ CFLAGS = {
 	'release': {
 		'msvc':    ['/O2'],
 		'owcc':    ['-O3', '-foptimize-sibling-calls', '-fomit-leaf-frame-pointer', '-fomit-frame-pointer', '-fschedule-insns', '-funsafe-math-optimizations', '-funroll-loops', '-frerun-optimizer', '-finline-functions', '-finline-limit=512', '-fguess-branch-probability', '-fno-strict-aliasing', '-floop-optimize'],
-		'default': ['-O0']
+		'default': ['-O3']
 	},
 	'debug': {
 		'msvc':    ['/Od'],
diff --git a/soundemittersystem/wscript b/soundemittersystem/wscript
index 9a8dcf0a8b..36e1e4132a 100755
--- a/soundemittersystem/wscript
+++ b/soundemittersystem/wscript
@@ -5,7 +5,7 @@ from waflib import Utils
 import os
 
 top = '.'
-PROJECT_NAME = 'SoundEmitterSystem'
+PROJECT_NAME = 'soundemittersystem'
 
 def options(opt):
 	# stub
diff --git a/studiorender/wscript b/studiorender/wscript
index 6027791041..9d55719ed2 100755
--- a/studiorender/wscript
+++ b/studiorender/wscript
@@ -5,7 +5,7 @@ from waflib import Utils
 import os
 
 top = '.'
-PROJECT_NAME = 'StudioRender'
+PROJECT_NAME = 'studiorender'
 
 def options(opt):
 	# stub
diff --git a/tier1/interface.cpp b/tier1/interface.cpp
index 031a49a74d..3c91cc3069 100644
--- a/tier1/interface.cpp
+++ b/tier1/interface.cpp
@@ -36,6 +36,9 @@
 #include "xbox/xbox_win32stubs.h"
 #endif
 
+#ifdef POSIX
+#include <sys/stat.h>
+#endif
 
 // memdbgon must be the last include file in a .cpp file!!!
 #include "tier0/memdbgon.h"
@@ -273,6 +276,7 @@ CSysModule *Sys_LoadModule( const char *pModuleName, Sys_Flags flags /* = SYS_NO
 	// file in the depot (MFP) or a filesystem GetLocalCopy() call must be made
 	// prior to the call to this routine.
 	char szCwd[1024];
+	char szModuleName[1024];
 	HMODULE hDLL = NULL;
 
 	if ( !Q_IsAbsolutePath( pModuleName ) )
@@ -287,6 +291,7 @@ CSysModule *Sys_LoadModule( const char *pModuleName, Sys_Flags flags /* = SYS_NO
 				V_strcpy_safe( szCwd, CommandLine()->GetParm( i + 1 ) );
 			}
 		}
+
 		if (szCwd[strlen(szCwd) - 1] == '/' || szCwd[strlen(szCwd) - 1] == '\\' )
 		{
 			szCwd[strlen(szCwd) - 1] = 0;
@@ -294,15 +299,20 @@ CSysModule *Sys_LoadModule( const char *pModuleName, Sys_Flags flags /* = SYS_NO
 
 		char szAbsoluteModuleName[1024];
 		size_t cCwd = strlen( szCwd );
-		if ( strstr( pModuleName, "bin/") == pModuleName || ( szCwd[ cCwd - 1 ] == 'n'  && szCwd[ cCwd - 2 ] == 'i' && szCwd[ cCwd - 3 ] == 'b' )  )
-		{
-			// don't make bin/bin path
-			Q_snprintf( szAbsoluteModuleName, sizeof(szAbsoluteModuleName), "%s/%s", szCwd, pModuleName );			
-		}
+
+		bool bUseLibPrefix = false;
+		
+#ifdef POSIX
+		struct stat statBuf;
+		Q_snprintf(szModuleName, sizeof(szModuleName), "bin/lib%s", pModuleName);
+		bUseLibPrefix |= stat(szModuleName, &statBuf) == 0;
+#endif
+
+		if( bUseLibPrefix )
+			Q_snprintf( szAbsoluteModuleName, sizeof(szAbsoluteModuleName), "%s/bin/lib%s", szCwd, pModuleName );
 		else
-		{
 			Q_snprintf( szAbsoluteModuleName, sizeof(szAbsoluteModuleName), "%s/bin/%s", szCwd, pModuleName );
-		}
+
 		hDLL = Sys_LoadLibrary( szAbsoluteModuleName, flags );
 	}
 
diff --git a/waf.bat b/waf.bat
new file mode 100644
index 0000000000..dac6143c6b
--- /dev/null
+++ b/waf.bat
@@ -0,0 +1,101 @@
+@echo off
+
+rem try fix py2 build
+chcp 1252
+set PYTHONIOENCODING=UTF-8
+rem from issue #964
+
+Setlocal EnableDelayedExpansion
+
+rem Check Windows Version
+set TOKEN=tokens=3*
+ver | findstr /i "5\.0\." > nul
+if %ERRORLEVEL% EQU 0 SET TOKEN=tokens=3*
+ver | findstr /i "5\.1\." > nul
+if %ERRORLEVEL% EQU 0 SET TOKEN=tokens=3*
+ver | findstr /i "5\.2\." > nul
+if %ERRORLEVEL% EQU 0 SET TOKEN=tokens=3*
+ver | findstr /i "6\.0\." > nul
+if %ERRORLEVEL% EQU 0 SET TOKEN=tokens=2*
+ver | findstr /i "6\.1\." > nul
+if %ERRORLEVEL% EQU 0 SET TOKEN=tokens=2*
+
+rem Start calculating PYTHON and PYTHON_DIR
+set PYTHON=
+set PYTHON_DIR=
+
+Setlocal EnableDelayedExpansion
+
+set PYTHON_DIR_OK=FALSE
+set REGPATH=
+
+for %%i in (3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.7 2.6 2.5) do (
+for %%j in (HKCU HKLM) do (
+for %%k in (SOFTWARE\Wow6432Node SOFTWARE) do (
+for %%l in (Python\PythonCore IronPython) do (
+set REG_PYTHON_EXE=python.exe
+if "%%l"=="IronPython" (
+set REG_PYTHON_EXE=ipy.exe
+)
+
+@echo on
+
+set REGPATH=%%j\%%k\%%l\%%i\InstallPath
+rem @echo Regpath !REGPATH!
+REG QUERY "!REGPATH!" /ve 1>nul 2>nul
+if !ERRORLEVEL! equ 0 (
+  for /F "%TOKEN% delims=	 " %%A IN ('REG QUERY "!REGPATH!" /ve') do @set REG_PYTHON_DIR=%%B
+  if exist !REG_PYTHON_DIR!  (
+    IF NOT "!REG_PYTHON_DIR:~-1!"=="\" SET REG_PYTHON_DIR=!REG_PYTHON_DIR!\
+    set REG_PYTHON=!REG_PYTHON_DIR!!REG_PYTHON_EXE!
+    rem set PYTHON_DIR_OK=TRUE
+    if "!PYTHON_DIR_OK!"=="FALSE" (
+      set PYTHON_DIR=!REG_PYTHON_DIR!
+      set PYTHON=!REG_PYTHON!
+      set PYTHON_DIR_OK=TRUE
+    )
+
+    rem set PYTHON_DIR_OK=FALSE
+    rem @echo Find !REG_PYTHON!
+    rem goto finished
+  )
+)
+
+echo off
+
+)
+rem for l
+)
+rem for k
+)
+rem for j
+)
+rem for i
+
+
+
+:finished
+
+Endlocal & SET PYTHON_DIR=%PYTHON_DIR% & SET PYTHON=%PYTHON%
+
+if "%PYTHON_DIR%" == "" (
+rem @echo No Python dir
+set PYTHON=python
+goto running
+)
+
+rem @echo %PYTHON_DIR%
+
+if "%PYTHON%" == "" (
+rem @echo No Python
+set PYTHON=python
+goto running
+)
+
+:running
+
+@echo Using %PYTHON%
+
+"%PYTHON%" -x "%~dp0waf" %* 
+Endlocal
+exit /b %ERRORLEVEL%