[gobject-introspection] Revert "libgirepository: Refuse to run in setuid applications"

[Colin Walters <walters src gnome org>]

commit 13f7ca3a3e3f823690add83dd8bfada52da559d2
Author: Colin Walters <walters verbum org>
Date:   Wed Dec 9 16:17:48 2015 -0500

    Revert "libgirepository: Refuse to run in setuid applications"
    
    This reverts commit 98bb6c91b710a95efe4cfeb303daeec3381b9c98.
    
    It breaks programs simply executed *transitively* from a setuid
    binary like the dbus daemon launch helper.
    
    https://bugzilla.redhat.com/show_bug.cgi?id=1285991
    
    Conflicts:
        girepository/girepository.c

 configure.ac                |    2 +-
 girepository/girepository.c |   13 -------------
 2 files changed, 1 insertions(+), 14 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b74d182..a6a272d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -247,7 +247,7 @@ AC_C_CONST
 
 # Checks for library functions.
 AC_FUNC_STRTOD
-AC_CHECK_FUNCS([memchr strchr strspn strstr strtol strtoull getauxval])
+AC_CHECK_FUNCS([memchr strchr strspn strstr strtol strtoull])
 AC_CHECK_FUNCS([backtrace backtrace_symbols])
 
 # Python
diff --git a/girepository/girepository.c b/girepository/girepository.c
index 82ee8a4..4537c03 100644
--- a/girepository/girepository.c
+++ b/girepository/girepository.c
@@ -27,11 +27,6 @@
 #include <string.h>
 #include <stdlib.h>
 
-#ifdef HAVE_GETAUXVAL
-#include <unistd.h>
-#include <sys/auxv.h>
-#endif
-
 #include <glib.h>
 #include <glib/gprintf.h>
 #include <gmodule.h>
@@ -152,14 +147,6 @@ init_globals (void)
   if (!g_once_init_enter (&initialized))
     return;
 
-#ifdef HAVE_GETAUXVAL
-  if (getauxval (AT_SECURE))
-    {
-      g_printerr ("error: libgirepository.so (gobject-introspection) is not audited for use in setuid 
applications\nSee https://bugzilla.gnome.org/show_bug.cgi?id=755472\n";);
-      _exit (1);
-    }
-#endif
-
   if (default_repository == NULL)
     default_repository = g_object_new (G_TYPE_IREPOSITORY, NULL);