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pluginloader: only run gst-plugin-scanner with /usr/bin/arch wrapper on OS X >= 10.5

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Based on patch by: Daniel Macks <dmacks@netspace.org>

Earlier versions of OSX don't support proper multiarch and
trying to use /usr/bin/arch -foo with those versions would
just break things.

https://bugzilla.gnome.org/show_bug.cgi?id=615357
This commit is contained in:
Tim-Philipp Müller 2011-04-15 20:58:51 +01:00
parent 886246661f
commit f660536eb3
1 changed files with 67 additions and 27 deletions
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94
gst/gstpluginloader.c
View file

@ -37,6 +37,10 @@
#include <io.h>
#endif
#ifdef HAVE_SYS_UTSNAME_H
#include <sys/utsname.h>
#endif
#include <errno.h>
#include <gst/gstconfig.h>
@ -350,38 +354,74 @@ plugin_loader_create_blacklist_plugin (GstPluginLoader * l,
gst_registry_add_plugin (l->registry, plugin);
}
#ifdef __APPLE__
#if defined(__x86_64__)
#define USR_BIN_ARCH_SWITCH "-x86_64"
#elif defined(__i386__)
#define USR_BIN_ARCH_SWITCH "-i386"
#elif defined(__ppc__)
#define USR_BIN_ARCH_SWITCH "-ppc"
#elif defined(__ppc64__)
#define USR_BIN_ARCH_SWITCH "-ppc64"
#endif
#endif
#define YES_MULTIARCH 1
#define NO_MULTIARCH 2
#if defined (__APPLE__) && defined (USR_BIN_ARCH_SWITCH)
static gboolean
gst_plugin_loader_use_usr_bin_arch (void)
{
static volatile gsize multiarch = 0;
if (g_once_init_enter (&multiarch)) {
gsize res = NO_MULTIARCH;
#ifdef HAVE_SYS_UTSNAME_H
{
struct utsname uname_data;
if (uname (&uname_data) == 0) {
/* Check for OS X >= 10.5 (darwin kernel 9.0) */
GST_LOG ("%s %s", uname_data.sysname, uname_data.release);
if (g_ascii_strcasecmp (uname_data.sysname, "Darwin") == 0 &&
g_strtod (uname_data.release, NULL) >= 9.0) {
res = YES_MULTIARCH;
}
}
}
#endif
GST_INFO ("multiarch: %s", (res == YES_MULTIARCH) ? "yes" : "no");
g_once_init_leave (&multiarch, res);
}
return (multiarch == YES_MULTIARCH);
}
#endif /* __APPLE__ && USR_BIN_ARCH_SWITCH */
static gboolean
gst_plugin_loader_try_helper (GstPluginLoader * loader, gchar * location)
{
#ifdef __APPLE__
#if defined(__x86_64__)
char *argv[] = { (char *) "/usr/bin/arch", (char *) "-x86_64",
location, (char *) "-l", NULL
};
#elif defined(__i386__)
char *argv[] = { (char *) "/usr/bin/arch", (char *) "-i386",
location, (char *) "-l", NULL
};
#elif defined(__ppc__)
char *argv[] = { (char *) "/usr/bin/arch", (char *) "-ppc",
location, (char *) "-l", NULL
};
#elif defined(__ppc64__)
char *argv[] = { (char *) "/usr/bin/arch", (char *) "-ppc64",
location, (char *) "-l", NULL
};
#endif
#else /* ! __APPLE__ */
char *argv[] = { location, (char *) "-l", NULL };
#endif
char *argv[5] = { NULL, };
int c = 0;
#ifdef __APPLE__
GST_LOG ("Trying to spawn gst-plugin-scanner helper at %s with arch %s",
location, argv[1]);
#else
GST_LOG ("Trying to spawn gst-plugin-scanner helper at %s", location);
#if defined (__APPLE__) && defined (USR_BIN_ARCH_SWITCH)
if (gst_plugin_loader_use_usr_bin_arch ()) {
argv[c++] = (char *) "/usr/bin/arch";
argv[c++] = (char *) USR_BIN_ARCH_SWITCH;
}
#endif
argv[c++] = location;
argv[c++] = (char *) "-l";
argv[c++] = NULL;
if (c > 3) {
GST_LOG ("Trying to spawn gst-plugin-scanner helper at %s with arch %s",
location, argv[1]);
} else {
GST_LOG ("Trying to spawn gst-plugin-scanner helper at %s", location);
}
if (!g_spawn_async_with_pipes (NULL, argv, NULL,
G_SPAWN_DO_NOT_REAP_CHILD /* | G_SPAWN_STDERR_TO_DEV_NULL */ ,