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add check for broken RTLD_GLOBAL (on OSF1 V5.0).

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Sat Feb 17 07:26:33 2001  Tim Janik  <timj@gtk.org>

        * configure.in (G_MODULE_HAVE_DLERROR): add check for broken RTLD_GLOBAL
        (on OSF1 V5.0).

Sat Feb 17 07:27:15 2001  Tim Janik  <timj@gtk.org>

        * gmodule.c: work around platforms that have broken RTLD_GLOBAL.
This commit is contained in:
Tim Janik 2001-02-17 06:28:07 +00:00 committed by Tim Janik
parent bbc5a3adac
commit 80d0c742e5
12 changed files with 86 additions and 5 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
Sat Feb 17 07:26:33 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_HAVE_DLERROR): add check for broken RTLD_GLOBAL
(on OSF1 V5.0).
2001-02-15 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* acconfig.h, configure.in: Reverted the changes necessary to

5
ChangeLog.pre-2-0
View File

@ -1,3 +1,8 @@
Sat Feb 17 07:26:33 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_HAVE_DLERROR): add check for broken RTLD_GLOBAL
(on OSF1 V5.0).
2001-02-15 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* acconfig.h, configure.in: Reverted the changes necessary to

5
ChangeLog.pre-2-10
View File

@ -1,3 +1,8 @@
Sat Feb 17 07:26:33 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_HAVE_DLERROR): add check for broken RTLD_GLOBAL
(on OSF1 V5.0).
2001-02-15 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* acconfig.h, configure.in: Reverted the changes necessary to

5
ChangeLog.pre-2-12
View File

@ -1,3 +1,8 @@
Sat Feb 17 07:26:33 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_HAVE_DLERROR): add check for broken RTLD_GLOBAL
(on OSF1 V5.0).
2001-02-15 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* acconfig.h, configure.in: Reverted the changes necessary to

5
ChangeLog.pre-2-2
View File

@ -1,3 +1,8 @@
Sat Feb 17 07:26:33 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_HAVE_DLERROR): add check for broken RTLD_GLOBAL
(on OSF1 V5.0).
2001-02-15 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* acconfig.h, configure.in: Reverted the changes necessary to

5
ChangeLog.pre-2-4
View File

@ -1,3 +1,8 @@
Sat Feb 17 07:26:33 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_HAVE_DLERROR): add check for broken RTLD_GLOBAL
(on OSF1 V5.0).
2001-02-15 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* acconfig.h, configure.in: Reverted the changes necessary to

5
ChangeLog.pre-2-6
View File

@ -1,3 +1,8 @@
Sat Feb 17 07:26:33 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_HAVE_DLERROR): add check for broken RTLD_GLOBAL
(on OSF1 V5.0).
2001-02-15 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* acconfig.h, configure.in: Reverted the changes necessary to

5
ChangeLog.pre-2-8
View File

@ -1,3 +1,8 @@
Sat Feb 17 07:26:33 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_HAVE_DLERROR): add check for broken RTLD_GLOBAL
(on OSF1 V5.0).
2001-02-15 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* acconfig.h, configure.in: Reverted the changes necessary to

33
configure.in
View File

@ -676,6 +676,36 @@ if test "$G_MODULE_IMPL" = "G_MODULE_IMPL_DL"; then
LDFLAGS_orig="$LDFLAGS"
LIBS="$LIBS $G_MODULE_LIBS"
LDFLAGS="$LDFLAGS $G_MODULE_LDFLAGS"
dnl *** check for OSF1/5.0 RTLD_GLOBAL brokenness
AC_CACHE_CHECK([for RTLD_GLOBAL brokenness],
glib_cv_rtldglobal_broken,[
AC_TRY_RUN([
#include <dlfcn.h>
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif
#ifndef RTLD_LAZY
#define RTLD_LAZY 0
#endif
int pthread_create;
int main () {
void *handle, *global, *local;
global = &pthread_create;
handle = dlopen ("libpthread.so", RTLD_GLOBAL | RTLD_LAZY);
if (!handle) return 0;
local = dlsym (handle, "pthread_create");
return global == local;
}],
[glib_cv_rtldglobal_broken=no],
[glib_cv_rtldglobal_broken=yes],
[])
rm -f plugin.c plugin.o plugin.lo
])
if test "x$glib_cv_rtldglobal_broken" = "xyes"; then
G_MODULE_BROKEN_RTLD_GLOBAL=1
else
G_MODULE_BROKEN_RTLD_GLOBAL=0
fi
dnl *** check whether we need preceeding underscores
AC_CACHE_CHECK([for preceeding underscore in symbols],
glib_cv_uscore,[
@ -708,7 +738,7 @@ dnl *** check for having dlerror()
[G_MODULE_HAVE_DLERROR=0])
LIBS="$LIBS_orig"
fi
dnl *** done, have e got an implementation?
dnl *** done, have we got an implementation?
if test -z "$G_MODULE_IMPL"; then
G_MODULE_IMPL=0
fi
@ -733,6 +763,7 @@ AC_SUBST(G_MODULE_LIBS_EXTRA)
AC_SUBST(G_MODULE_PLUGIN_LIBS)
AC_SUBST(G_MODULE_LDFLAGS)
AC_SUBST(G_MODULE_HAVE_DLERROR)
AC_SUBST(G_MODULE_BROKEN_RTLD_GLOBAL)
AC_SUBST(G_MODULE_NEED_USCORE)
AC_SUBST(GLIB_DEBUG_FLAGS)

4
gmodule/ChangeLog
View File

@ -1,3 +1,7 @@
Sat Feb 17 07:27:15 2001 Tim Janik <timj@gtk.org>
* gmodule.c: work around platforms that have broken RTLD_GLOBAL.
2001-01-27 Tor Lillqvist <tml@iki.fi>
* gmodule.c: (Win32) Need <io.h> for open() and close().

10
gmodule/gmodule-dl.c
View File

@ -58,15 +58,19 @@
* RTLD_GLOBAL - the external symbols defined in the library will be made
* available to subsequently loaded libraries.
*/
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif /* RTLD_GLOBAL */
#ifndef RTLD_LAZY
#define RTLD_LAZY 1
#endif /* RTLD_LAZY */
#ifndef RTLD_NOW
#define RTLD_NOW 0
#endif /* RTLD_NOW */
/* some systems (OSF1 V5.0) have broken RTLD_GLOBAL linkage */
#ifdef G_MODULE_BROKEN_RTLD_GLOBAL
#undef RTLD_GLOBAL
#endif /* G_MODULE_BROKEN_RTLD_GLOBAL */
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif /* RTLD_GLOBAL */
/* --- functions --- */

4
gmodule/gmoduleconf.h.in
View File

@ -40,7 +40,9 @@ extern "C" {
#if (@G_MODULE_NEED_USCORE@) || defined (hp9000s300) || defined (__hp9000s300) || defined (__hp9000s300__)
#define G_MODULE_NEED_USCORE
#endif
#if (@G_MODULE_BROKEN_RTLD_GLOBAL@)
#define G_MODULE_BROKEN_RTLD_GLOBAL
#endif
#ifdef __cplusplus
}