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Enable -fvisibility=hidden on Linux.

Browse source 
This will prevent further symbol clashes, and makes the shared libraries
 10 to 20 percent smaller.

We should enable this on other platforms, too, if we can guarantee they'll
 use gcc 4.0 or later and the platform supports it.
This commit is contained in:
Ryan C. Gordon 2009-09-15 02:48:17 +00:00
parent 70dad387da
commit e2d63b1fea
9 changed files with 18 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Makefile
View file

@ -304,7 +304,7 @@ ifeq ($(PLATFORM),linux)
endif endif
SHLIBEXT=so SHLIBEXT=so
SHLIBCFLAGS=-fPIC SHLIBCFLAGS=-fPIC -fvisibility=hidden
SHLIBLDFLAGS=-shared $(LDFLAGS) SHLIBLDFLAGS=-shared $(LDFLAGS)
THREAD_LIBS=-lpthread THREAD_LIBS=-lpthread

2
code/cgame/cg_main.c
View file

@ -43,7 +43,7 @@ This is the only way control passes into the module.
This must be the very first function compiled into the .q3vm file This must be the very first function compiled into the .q3vm file
================ ================
*/ */
intptr_t vmMain( int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8, int arg9, int arg10, int arg11 ) { Q_EXPORT intptr_t vmMain( int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8, int arg9, int arg10, int arg11 ) {
switch ( command ) { switch ( command ) {
case CG_INIT: case CG_INIT:

2
code/cgame/cg_syscalls.c
View file

@ -31,7 +31,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
static intptr_t (QDECL *syscall)( intptr_t arg, ... ) = (intptr_t (QDECL *)( intptr_t, ...))-1; static intptr_t (QDECL *syscall)( intptr_t arg, ... ) = (intptr_t (QDECL *)( intptr_t, ...))-1;
void dllEntry( intptr_t (QDECL *syscallptr)( intptr_t arg,... ) ) { Q_EXPORT void dllEntry( intptr_t (QDECL *syscallptr)( intptr_t arg,... ) ) {
syscall = syscallptr; syscall = syscallptr;
} }

2
code/game/g_main.c
View file

@ -198,7 +198,7 @@ This is the only way control passes into the module.
This must be the very first function compiled into the .q3vm file This must be the very first function compiled into the .q3vm file
================ ================
*/ */
intptr_t vmMain( int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8, int arg9, int arg10, int arg11 ) { Q_EXPORT intptr_t vmMain( int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8, int arg9, int arg10, int arg11 ) {
switch ( command ) { switch ( command ) {
case GAME_INIT: case GAME_INIT:
G_InitGame( arg0, arg1, arg2 ); G_InitGame( arg0, arg1, arg2 );

2
code/game/g_syscalls.c
View file

@ -31,7 +31,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
static intptr_t (QDECL *syscall)( intptr_t arg, ... ) = (intptr_t (QDECL *)( intptr_t, ...))-1; static intptr_t (QDECL *syscall)( intptr_t arg, ... ) = (intptr_t (QDECL *)( intptr_t, ...))-1;
void dllEntry( intptr_t (QDECL *syscallptr)( intptr_t arg,... ) ) { Q_EXPORT void dllEntry( intptr_t (QDECL *syscallptr)( intptr_t arg,... ) ) {
syscall = syscallptr; syscall = syscallptr;
} }

2
code/q3_ui/ui_main.c
View file

@ -40,7 +40,7 @@ This is the only way control passes into the module.
This must be the very first function compiled into the .qvm file This must be the very first function compiled into the .qvm file
================ ================
*/ */
intptr_t vmMain( int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8, int arg9, int arg10, int arg11 ) { Q_EXPORT intptr_t vmMain( int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8, int arg9, int arg10, int arg11 ) {
switch ( command ) { switch ( command ) {
case UI_GETAPIVERSION: case UI_GETAPIVERSION:
return UI_API_VERSION; return UI_API_VERSION;

10
code/qcommon/q_shared.h
View file

@ -81,6 +81,16 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#endif #endif
#endif #endif
#if (defined _MSC_VER)
#define Q_EXPORT __declspec(dllexport)
#elif (defined __SUNPRO_C)
#define Q_EXPORT __global
#elif ((__GNUC__ >= 3) && (!__EMX__) && (!sun))
#define Q_EXPORT __attribute__((visibility("default")))
#else
#define Q_EXPORT
#endif
/********************************************************************** /**********************************************************************
VM Considerations VM Considerations

2
code/ui/ui_main.c
View file

@ -164,7 +164,7 @@ void _UI_KeyEvent( int key, qboolean down );
void _UI_MouseEvent( int dx, int dy ); void _UI_MouseEvent( int dx, int dy );
void _UI_Refresh( int realtime ); void _UI_Refresh( int realtime );
qboolean _UI_IsFullscreen( void ); qboolean _UI_IsFullscreen( void );
intptr_t vmMain( int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8, int arg9, int arg10, int arg11 ) { Q_EXPORT intptr_t vmMain( int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8, int arg9, int arg10, int arg11 ) {
switch ( command ) { switch ( command ) {
case UI_GETAPIVERSION: case UI_GETAPIVERSION:
return UI_API_VERSION; return UI_API_VERSION;

2
code/ui/ui_syscalls.c
View file

@ -30,7 +30,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
static intptr_t (QDECL *syscall)( intptr_t arg, ... ) = (intptr_t (QDECL *)( intptr_t, ...))-1; static intptr_t (QDECL *syscall)( intptr_t arg, ... ) = (intptr_t (QDECL *)( intptr_t, ...))-1;
void dllEntry( intptr_t (QDECL *syscallptr)( intptr_t arg,... ) ) { Q_EXPORT void dllEntry( intptr_t (QDECL *syscallptr)( intptr_t arg,... ) ) {
syscall = syscallptr; syscall = syscallptr;
} }