diff --git a/common/xash3d_types.h b/common/xash3d_types.h
index 33801433..efa2a598 100644
--- a/common/xash3d_types.h
+++ b/common/xash3d_types.h
@@ -78,12 +78,13 @@ typedef uint64_t longtime_t;
 
 #if defined(__GNUC__)
 	#ifdef __i386__
-		#define EXPORT __attribute__ ((visibility ("default"),force_align_arg_pointer))
+		#define EXPORT      __attribute__((visibility ("default"),force_align_arg_pointer))
 		#define GAME_EXPORT __attribute((force_align_arg_pointer))
 	#else
 		#define EXPORT __attribute__ ((visibility ("default")))
 		#define GAME_EXPORT
 	#endif
+	#define SYM_EXPORT  __attribute__((visibility("default")))
 	#define _format(x) __attribute__((format(printf, x, x+1)))
 	#define NORETURN __attribute__((noreturn))
 	#define NONNULL __attribute__((nonnull))
diff --git a/public/crclib.h b/public/crclib.h
index ab565148..f0b6629d 100644
--- a/public/crclib.h
+++ b/public/crclib.h
@@ -26,15 +26,15 @@ typedef struct
 	uint	in[16];
 } MD5Context_t;
 
-void CRC32_Init( uint32_t *pulCRC );
-byte CRC32_BlockSequence( byte *base, int length, int sequence );
-void CRC32_ProcessBuffer( uint32_t *pulCRC, const void *pBuffer, int nBuffer );
-void CRC32_ProcessByte( uint32_t *pulCRC, byte ch );
-uint32_t CRC32_Final( uint32_t pulCRC );
-void MD5Init( MD5Context_t *ctx );
-void MD5Update( MD5Context_t *ctx, const byte *buf, uint len );
-void MD5Final( byte digest[16], MD5Context_t *ctx );
-uint COM_HashKey( const char *string, uint hashSize );
-char *MD5_Print( byte hash[16] );
+void EXPORT CRC32_Init( uint32_t *pulCRC );
+byte EXPORT CRC32_BlockSequence( byte *base, int length, int sequence );
+void EXPORT CRC32_ProcessBuffer( uint32_t *pulCRC, const void *pBuffer, int nBuffer );
+void EXPORT CRC32_ProcessByte( uint32_t *pulCRC, byte ch );
+uint32_t EXPORT CRC32_Final( uint32_t pulCRC );
+void EXPORT MD5Init( MD5Context_t *ctx );
+void EXPORT MD5Update( MD5Context_t *ctx, const byte *buf, uint len );
+void EXPORT MD5Final( byte digest[16], MD5Context_t *ctx );
+uint EXPORT COM_HashKey( const char *string, uint hashSize );
+char EXPORT *MD5_Print( byte hash[16] );
 
 #endif // CRCLIB_H
diff --git a/public/crtlib.h b/public/crtlib.h
index 6152aa80..a750d28d 100644
--- a/public/crtlib.h
+++ b/public/crtlib.h
@@ -47,60 +47,60 @@ enum
 //
 // build.c
 //
-int Q_buildnum( void );
-int Q_buildnum_date( const char *date );
-int Q_buildnum_compat( void );
-const char *Q_PlatformStringByID( const int platform );
-const char *Q_buildos( void );
-const char *Q_ArchitectureStringByID( const int arch, const uint abi, const int endianness, const qboolean is64 );
-const char *Q_buildarch( void );
-const char *Q_buildcommit( void );
+int EXPORT Q_buildnum( void );
+int EXPORT Q_buildnum_date( const char *date );
+int EXPORT Q_buildnum_compat( void );
+const char EXPORT *Q_PlatformStringByID( const int platform );
+const char EXPORT *Q_buildos( void );
+const char EXPORT *Q_ArchitectureStringByID( const int arch, const uint abi, const int endianness, const qboolean is64 );
+const char EXPORT *Q_buildarch( void );
+const char EXPORT *Q_buildcommit( void );
 
 //
 // crtlib.c
 //
-void Q_strnlwr( const char *in, char *out, size_t size_out );
+void EXPORT Q_strnlwr( const char *in, char *out, size_t size_out );
 #define Q_strlen( str ) (( str ) ? strlen(( str )) : 0 )
-size_t Q_colorstr( const char *string );
-char Q_toupper( const char in );
-char Q_tolower( const char in );
-size_t Q_strncat( char *dst, const char *src, size_t siz );
-qboolean Q_isdigit( const char *str );
-qboolean Q_isspace( const char *str );
-int Q_atoi( const char *str );
-float Q_atof( const char *str );
-void Q_atov( float *vec, const char *str, size_t siz );
+size_t EXPORT Q_colorstr( const char *string );
+char EXPORT Q_toupper( const char in );
+char EXPORT Q_tolower( const char in );
+size_t EXPORT Q_strncat( char *dst, const char *src, size_t siz );
+qboolean EXPORT Q_isdigit( const char *str );
+qboolean EXPORT Q_isspace( const char *str );
+int EXPORT Q_atoi( const char *str );
+float EXPORT Q_atof( const char *str );
+void EXPORT Q_atov( float *vec, const char *str, size_t siz );
 #define Q_strchr  strchr
 #define Q_strrchr strrchr
-qboolean Q_stricmpext( const char *pattern, const char *text );
-qboolean Q_strnicmpext( const char *pattern, const char *text, size_t minimumlen );
-const byte *Q_memmem( const byte *haystack, size_t haystacklen, const byte *needle, size_t needlelen );
-const char *Q_timestamp( int format );
-int Q_vsnprintf( char *buffer, size_t buffersize, const char *format, va_list args );
-int Q_snprintf( char *buffer, size_t buffersize, const char *format, ... ) _format( 3 );
+qboolean EXPORT Q_stricmpext( const char *pattern, const char *text );
+qboolean EXPORT Q_strnicmpext( const char *pattern, const char *text, size_t minimumlen );
+const byte EXPORT *Q_memmem( const byte *haystack, size_t haystacklen, const byte *needle, size_t needlelen );
+const char EXPORT *Q_timestamp( int format );
+int EXPORT Q_vsnprintf( char *buffer, size_t buffersize, const char *format, va_list args );
+int EXPORT Q_snprintf( char *buffer, size_t buffersize, const char *format, ... ) _format( 3 );
 #define Q_strpbrk strpbrk
-void COM_StripColors( const char *in, char *out );
+void EXPORT COM_StripColors( const char *in, char *out );
 #define Q_memprint( val ) Q_pretifymem( val, 2 )
-char *Q_pretifymem( float value, int digitsafterdecimal );
-void COM_FileBase( const char *in, char *out, size_t size );
-const char *COM_FileExtension( const char *in );
-void COM_DefaultExtension( char *path, const char *extension, size_t size );
-void COM_ReplaceExtension( char *path, const char *extension, size_t size );
-void COM_ExtractFilePath( const char *path, char *dest );
-const char *COM_FileWithoutPath( const char *in );
-void COM_StripExtension( char *path );
-void COM_RemoveLineFeed( char *str );
-void COM_FixSlashes( char *pname );
-void COM_PathSlashFix( char *path );
-char COM_Hex2Char( uint8_t hex );
-void COM_Hex2String( uint8_t hex, char *str );
+char EXPORT *Q_pretifymem( float value, int digitsafterdecimal );
+void EXPORT COM_FileBase( const char *in, char *out, size_t size );
+const char EXPORT *COM_FileExtension( const char *in );
+void EXPORT COM_DefaultExtension( char *path, const char *extension, size_t size );
+void EXPORT COM_ReplaceExtension( char *path, const char *extension, size_t size );
+void EXPORT COM_ExtractFilePath( const char *path, char *dest );
+const char EXPORT *COM_FileWithoutPath( const char *in );
+void EXPORT COM_StripExtension( char *path );
+void EXPORT COM_RemoveLineFeed( char *str );
+void EXPORT COM_FixSlashes( char *pname );
+void EXPORT COM_PathSlashFix( char *path );
+char EXPORT COM_Hex2Char( uint8_t hex );
+void EXPORT COM_Hex2String( uint8_t hex, char *str );
 // return 0 on empty or null string, 1 otherwise
 #define COM_CheckString( string ) ( ( !string || !*string ) ? 0 : 1 )
 #define COM_CheckStringEmpty( string ) ( ( !*string ) ? 0 : 1 )
-char *COM_ParseFileSafe( char *data, char *token, const int size, unsigned int flags, int *len, qboolean *quoted );
+char EXPORT *COM_ParseFileSafe( char *data, char *token, const int size, unsigned int flags, int *len, qboolean *quoted );
 #define COM_ParseFile( data, token, size ) COM_ParseFileSafe( data, token, size, 0, NULL, NULL )
-int matchpattern( const char *in, const char *pattern, qboolean caseinsensitive );
-int matchpattern_with_separator( const char *in, const char *pattern, qboolean caseinsensitive, const char *separators, qboolean wildcard_least_one );
+int EXPORT matchpattern( const char *in, const char *pattern, qboolean caseinsensitive );
+int EXPORT matchpattern_with_separator( const char *in, const char *pattern, qboolean caseinsensitive, const char *separators, qboolean wildcard_least_one );
 
 // libc implementations
 static inline int Q_strcmp( const char *s1, const char *s2 )
diff --git a/public/wscript b/public/wscript
index c1002e78..53a7af60 100644
--- a/public/wscript
+++ b/public/wscript
@@ -17,10 +17,10 @@ def configure(conf):
 
 def build(bld):
 	bld(name = 'sdk_includes', export_includes = '. ../common ../pm_shared ../engine')
-	bld.stlib(source   = bld.path.ant_glob('*.c'),
+	bld.shlib(source   = bld.path.ant_glob('*.c'),
 		target   = 'public',
 		features = 'c',
-		use      = 'sdk_includes',
+		use      = 'sdk_includes M',
 		subsystem = bld.env.MSVC_SUBSYSTEM)
 
 	if bld.env.TESTS:
diff --git a/public/xash3d_mathlib.h b/public/xash3d_mathlib.h
index 598d2d1b..a9be7576 100644
--- a/public/xash3d_mathlib.h
+++ b/public/xash3d_mathlib.h
@@ -179,33 +179,33 @@ static inline void SinCos( float radians, float *sine, float *cosine )
 	*cosine = cos(radians);
 }
 
-float rsqrt( float number );
-float anglemod( float a );
-word FloatToHalf( float v );
-float HalfToFloat( word h );
-void RoundUpHullSize( vec3_t size );
-int SignbitsForPlane( const vec3_t normal );
-int PlaneTypeForNormal( const vec3_t normal );
-int NearestPOW( int value, qboolean roundDown );
-float VectorNormalizeLength2( const vec3_t v, vec3_t out );
-qboolean VectorCompareEpsilon( const vec3_t vec1, const vec3_t vec2, vec_t epsilon );
-void VectorVectors( const vec3_t forward, vec3_t right, vec3_t up );
-void VectorAngles( const float *forward, float *angles );
-void AngleVectors( const vec3_t angles, vec3_t forward, vec3_t right, vec3_t up );
-void VectorsAngles( const vec3_t forward, const vec3_t right, const vec3_t up, vec3_t angles );
-void PlaneIntersect( const struct mplane_s *plane, const vec3_t p0, const vec3_t p1, vec3_t out );
+float EXPORT rsqrt( float number );
+float EXPORT anglemod( float a );
+word EXPORT FloatToHalf( float v );
+float EXPORT HalfToFloat( word h );
+void EXPORT RoundUpHullSize( vec3_t size );
+int EXPORT SignbitsForPlane( const vec3_t normal );
+int EXPORT PlaneTypeForNormal( const vec3_t normal );
+int EXPORT NearestPOW( int value, qboolean roundDown );
+float EXPORT VectorNormalizeLength2( const vec3_t v, vec3_t out );
+qboolean EXPORT VectorCompareEpsilon( const vec3_t vec1, const vec3_t vec2, vec_t epsilon );
+void EXPORT VectorVectors( const vec3_t forward, vec3_t right, vec3_t up );
+void EXPORT VectorAngles( const float *forward, float *angles );
+void EXPORT AngleVectors( const vec3_t angles, vec3_t forward, vec3_t right, vec3_t up );
+void EXPORT VectorsAngles( const vec3_t forward, const vec3_t right, const vec3_t up, vec3_t angles );
+void EXPORT PlaneIntersect( const struct mplane_s *plane, const vec3_t p0, const vec3_t p1, vec3_t out );
 
-void ClearBounds( vec3_t mins, vec3_t maxs );
-void AddPointToBounds( const vec3_t v, vec3_t mins, vec3_t maxs );
-qboolean BoundsIntersect( const vec3_t mins1, const vec3_t maxs1, const vec3_t mins2, const vec3_t maxs2 );
-qboolean BoundsAndSphereIntersect( const vec3_t mins, const vec3_t maxs, const vec3_t origin, float radius );
-qboolean SphereIntersect( const vec3_t vSphereCenter, float fSphereRadiusSquared, const vec3_t vLinePt, const vec3_t vLineDir );
-float RadiusFromBounds( const vec3_t mins, const vec3_t maxs );
-void ExpandBounds( vec3_t mins, vec3_t maxs, float offset );
+void EXPORT ClearBounds( vec3_t mins, vec3_t maxs );
+void EXPORT AddPointToBounds( const vec3_t v, vec3_t mins, vec3_t maxs );
+qboolean EXPORT BoundsIntersect( const vec3_t mins1, const vec3_t maxs1, const vec3_t mins2, const vec3_t maxs2 );
+qboolean EXPORT BoundsAndSphereIntersect( const vec3_t mins, const vec3_t maxs, const vec3_t origin, float radius );
+qboolean EXPORT SphereIntersect( const vec3_t vSphereCenter, float fSphereRadiusSquared, const vec3_t vLinePt, const vec3_t vLineDir );
+float EXPORT RadiusFromBounds( const vec3_t mins, const vec3_t maxs );
+void EXPORT ExpandBounds( vec3_t mins, vec3_t maxs, float offset );
 
-void AngleQuaternion( const vec3_t angles, vec4_t q, qboolean studio );
-void QuaternionAngle( const vec4_t q, vec3_t angles );
-void QuaternionSlerp( const vec4_t p, const vec4_t q, float t, vec4_t qt );
+void EXPORT AngleQuaternion( const vec3_t angles, vec4_t q, qboolean studio );
+void EXPORT QuaternionAngle( const vec4_t q, vec3_t angles );
+void EXPORT QuaternionSlerp( const vec4_t p, const vec4_t q, float t, vec4_t qt );
 
 //
 // matrixlib.c
@@ -227,35 +227,35 @@ static inline void Matrix3x4_OriginFromMatrix( const matrix3x4 in, float *out )
 	out[2] = in[2][3];
 }
 
-void Matrix3x4_VectorTransform( const matrix3x4 in, const float v[3], float out[3] );
-void Matrix3x4_VectorITransform( const matrix3x4 in, const float v[3], float out[3] );
-void Matrix3x4_VectorRotate( const matrix3x4 in, const float v[3], float out[3] );
-void Matrix3x4_VectorIRotate( const matrix3x4 in, const float v[3], float out[3] );
-void Matrix3x4_ConcatTransforms( matrix3x4 out, const matrix3x4 in1, const matrix3x4 in2 );
-void Matrix3x4_FromOriginQuat( matrix3x4 out, const vec4_t quaternion, const vec3_t origin );
-void Matrix3x4_CreateFromEntity( matrix3x4 out, const vec3_t angles, const vec3_t origin, float scale );
-void Matrix3x4_TransformAABB( const matrix3x4 world, const vec3_t mins, const vec3_t maxs, vec3_t absmin, vec3_t absmax );
-void Matrix3x4_AnglesFromMatrix( const matrix3x4 in, vec3_t out );
+void EXPORT Matrix3x4_VectorTransform( const matrix3x4 in, const float v[3], float out[3] );
+void EXPORT Matrix3x4_VectorITransform( const matrix3x4 in, const float v[3], float out[3] );
+void EXPORT Matrix3x4_VectorRotate( const matrix3x4 in, const float v[3], float out[3] );
+void EXPORT Matrix3x4_VectorIRotate( const matrix3x4 in, const float v[3], float out[3] );
+void EXPORT Matrix3x4_ConcatTransforms( matrix3x4 out, const matrix3x4 in1, const matrix3x4 in2 );
+void EXPORT Matrix3x4_FromOriginQuat( matrix3x4 out, const vec4_t quaternion, const vec3_t origin );
+void EXPORT Matrix3x4_CreateFromEntity( matrix3x4 out, const vec3_t angles, const vec3_t origin, float scale );
+void EXPORT Matrix3x4_TransformAABB( const matrix3x4 world, const vec3_t mins, const vec3_t maxs, vec3_t absmin, vec3_t absmax );
+void EXPORT Matrix3x4_AnglesFromMatrix( const matrix3x4 in, vec3_t out );
 
 #define Matrix4x4_LoadIdentity( mat )	Matrix4x4_Copy( mat, m_matrix4x4_identity )
 #define Matrix4x4_Copy( out, in )	memcpy( out, in, sizeof( matrix4x4 ))
 
-void Matrix4x4_VectorTransform( const matrix4x4 in, const float v[3], float out[3] );
-void Matrix4x4_VectorITransform( const matrix4x4 in, const float v[3], float out[3] );
-void Matrix4x4_VectorRotate( const matrix4x4 in, const float v[3], float out[3] );
-void Matrix4x4_VectorIRotate( const matrix4x4 in, const float v[3], float out[3] );
-void Matrix4x4_ConcatTransforms( matrix4x4 out, const matrix4x4 in1, const matrix4x4 in2 );
-void Matrix4x4_CreateFromEntity( matrix4x4 out, const vec3_t angles, const vec3_t origin, float scale );
-void Matrix4x4_TransformPositivePlane( const matrix4x4 in, const vec3_t normal, float d, vec3_t out, float *dist );
-void Matrix4x4_ConvertToEntity( const matrix4x4 in, vec3_t angles, vec3_t origin );
-void Matrix4x4_Invert_Simple( matrix4x4 out, const matrix4x4 in1 );
-qboolean Matrix4x4_Invert_Full( matrix4x4 out, const matrix4x4 in1 );
+void EXPORT Matrix4x4_VectorTransform( const matrix4x4 in, const float v[3], float out[3] );
+void EXPORT Matrix4x4_VectorITransform( const matrix4x4 in, const float v[3], float out[3] );
+void EXPORT Matrix4x4_VectorRotate( const matrix4x4 in, const float v[3], float out[3] );
+void EXPORT Matrix4x4_VectorIRotate( const matrix4x4 in, const float v[3], float out[3] );
+void EXPORT Matrix4x4_ConcatTransforms( matrix4x4 out, const matrix4x4 in1, const matrix4x4 in2 );
+void EXPORT Matrix4x4_CreateFromEntity( matrix4x4 out, const vec3_t angles, const vec3_t origin, float scale );
+void EXPORT Matrix4x4_TransformPositivePlane( const matrix4x4 in, const vec3_t normal, float d, vec3_t out, float *dist );
+void EXPORT Matrix4x4_ConvertToEntity( const matrix4x4 in, vec3_t angles, vec3_t origin );
+void EXPORT Matrix4x4_Invert_Simple( matrix4x4 out, const matrix4x4 in1 );
+qboolean EXPORT Matrix4x4_Invert_Full( matrix4x4 out, const matrix4x4 in1 );
 
-void R_StudioSlerpBones( int numbones, vec4_t q1[], float pos1[][3], const vec4_t q2[], const float pos2[][3], float s );
-void R_StudioCalcBoneQuaternion( int frame, float s, const mstudiobone_t *pbone, const mstudioanim_t *panim, const float *adj, vec4_t q );
-void R_StudioCalcBonePosition( int frame, float s, const mstudiobone_t *pbone, const mstudioanim_t *panim, const vec3_t adj, vec3_t pos );
+void EXPORT R_StudioSlerpBones( int numbones, vec4_t q1[], float pos1[][3], const vec4_t q2[], const float pos2[][3], float s );
+void EXPORT R_StudioCalcBoneQuaternion( int frame, float s, const mstudiobone_t *pbone, const mstudioanim_t *panim, const float *adj, vec4_t q );
+void EXPORT R_StudioCalcBonePosition( int frame, float s, const mstudiobone_t *pbone, const mstudioanim_t *panim, const vec3_t adj, vec3_t pos );
 
-int BoxOnPlaneSide( const vec3_t emins, const vec3_t emaxs, const mplane_t *p );
+int EXPORT BoxOnPlaneSide( const vec3_t emins, const vec3_t emaxs, const mplane_t *p );
 #define BOX_ON_PLANE_SIDE( emins, emaxs, p )			\
 	((( p )->type < 3 ) ?				\
 	(						\
@@ -272,11 +272,11 @@ int BoxOnPlaneSide( const vec3_t emins, const vec3_t emaxs, const mplane_t *p );
 	:						\
 		BoxOnPlaneSide(( emins ), ( emaxs ), ( p )))
 
-extern vec3_t		vec3_origin;
-extern int		boxpnt[6][4];
-extern const matrix3x4	m_matrix3x4_identity;
-extern const matrix4x4	m_matrix4x4_identity;
-extern const float		m_bytenormals[NUMVERTEXNORMALS][3];
+extern vec3_t SYM_EXPORT vec3_origin;
+extern int    SYM_EXPORT boxpnt[6][4];
+extern const matrix3x4 SYM_EXPORT m_matrix3x4_identity;
+extern const matrix4x4 SYM_EXPORT m_matrix4x4_identity;
+extern const float     SYM_EXPORT m_bytenormals[NUMVERTEXNORMALS][3];
 
 #endif // XASH3D_MATHLIB_H