livorno@makoto 10:18:54/130816(..editors/emacs24)% gdb work/emacs-24.3/src/emacs
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Reading symbols from /export/CHROOT/usr/pkgsrc/editors/emacs24/work/emacs-24.3/src/emacs...
      (no debugging symbols found)...done.
(gdb) run /export/CHROOT/usr/pkgsrc/doc/guide/files/options.xml
Starting program: /export/CHROOT/usr/pkgsrc/editors/emacs24/work/emacs-24.3/src/emacs 
       /export/CHROOT/usr/pkgsrc/doc/guide/files/options.xml

Program received signal SIGSEGV, Segmentation fault.
[Switching to LWP 1]
0x00007f7febcfc134 in strncmp () from /usr/lib/libc.so.12
(gdb) bt
#0  0x00007f7febcfc134 in strncmp () from /usr/lib/libc.so.12
#1  0x00007f7febcb311e in __getenvslot () from /usr/lib/libc.so.12
#2  0x00007f7febcb3272 in __findenvvar () from /usr/lib/libc.so.12
#3  0x00007f7febcb2d10 in getenv () from /usr/lib/libc.so.12
#4  0x00007f7fefc03ba8 in dcngettext () from /usr/lib/libintl.so.1
#5  0x00007f7ff003fd14 in g_dpgettext2 () from /usr/pkg/lib/libglib-2.0.so.0
#6  0x00007f7ff59bee30 in gtk_stock_lookup () from /usr/pkg/lib/libgtk-x11-2.0.so.0
#7  0x00000000004c6fa3 in update_frame_tool_bar ()
#8  0x0000000000454072 in redisplay_window ()
#9  0x000000000045699a in redisplay_window_1 ()
#10 0x000000000053b53e in internal_condition_case_1 ()
#11 0x0000000000443a9b in redisplay_internal ()
#12 0x00000000004da940 in read_char ()
#13 0x0000000000559570 in read_filtered_event ()
#14 0x000000000053cd9f in Ffuncall ()
#15 0x000000000056fb44 in exec_byte_code ()
#16 0x000000000053cc12 in Ffuncall ()
#17 0x000000000053c4c8 in eval_sub ()
#18 0x000000000053c691 in Fprogn ()
#19 0x00000000004d3b37 in Ftrack_mouse ()
#20 0x000000000053c4fd in eval_sub ()
#21 0x000000000053e1ae in Feval ()
#22 0x000000000053cdb2 in Ffuncall ()
#23 0x000000000056fb44 in exec_byte_code ()
#24 0x000000000053cc12 in Ffuncall ()
#25 0x000000000056fb44 in exec_byte_code ()
#26 0x000000000053cc12 in Ffuncall ()
#27 0x0000000000539fc0 in Fcall_interactively ()
#28 0x000000000053cd9f in Ffuncall ()
#29 0x000000000053cfd2 in call3 ()
#30 0x00000000004ded0f in command_loop_1 ()
#31 0x000000000053b3ef in internal_condition_case ()
#32 0x00000000004d3949 in command_loop_2 ()
#33 0x000000000053b2be in internal_catch ()
#34 0x00000000004d46cc in recursive_edit_1 ()
#35 0x00000000004d4990 in Frecursive_edit ()
#36 0x00000000004d034f in main ()
(gdb) 

Re: emacs24 core dump on some files (only with gtk option)
Suspicious is on gtk2+-2.24.17nb5
or on following part: of emacs-24.3/src/gtkutil.c

   4594 /* Update the tool bar for frame F.  Add new buttons and remove old.  */
   4595 
   4596 void
   4597 update_frame_tool_bar (FRAME_PTR f)
   4598 {
   4599   int i, j;
   4600   struct x_output *x = f->output_data.x;
   4601   int hmargin = 0, vmargin = 0;
   4602   GtkToolbar *wtoolbar;
   4603   GtkToolItem *ti;
   4604   GtkTextDirection dir;
   4605   bool pack_tool_bar = x->handlebox_widget == NULL;
   4606   Lisp_Object style;
   4607   bool text_image, horiz;
   4608   struct xg_frame_tb_info *tbinfo;
   4609 

   4669   for (i = j = 0; i < f->n_tool_bar_items; ++i)
   4670     {
   4671       bool enabled_p = !NILP (PROP (TOOL_BAR_ITEM_ENABLED_P));
   4672       bool selected_p = !NILP (PROP (TOOL_BAR_ITEM_SELECTED_P));
   4673       int idx;
   4674       ptrdiff_t img_id;
   4675       int icon_size = 0;
   4676       struct image *img = NULL;
   4677       Lisp_Object image;
   4678       Lisp_Object stock = Qnil;
   4679       GtkStockItem stock_item;
   4680       char *stock_name = NULL;

   4729       specified_file = file_for_image (image);
   4730       if (!NILP (specified_file) && !NILP (Ffboundp (Qx_gtk_map_stock)))
  4731         stock = call1 (Qx_gtk_map_stock, specified_file);
   4732
   4733       if (STRINGP (stock))
   4734         {
   4735           stock_name = SSDATA (stock);
   4736           if (stock_name[0] == 'n' && stock_name[1] == ':')
   4737             {
   4738               GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (wtoolbar));
   4739               GtkIconTheme *icon_theme = gtk_icon_theme_get_for_screen (screen);
   4740
   4741               icon_name = stock_name + 2;
   4742               stock_name = NULL;
   4743               stock = Qnil;
   4744
   4745               if (! gtk_icon_theme_has_icon (icon_theme, icon_name))
   4746                 icon_name = NULL;
   4747               else
   4748                 icon_size = gtk_toolbar_get_icon_size (wtoolbar);
   4749             }
   4750           else if (gtk_stock_lookup (SSDATA (stock), &stock_item))
   4751             icon_size = gtk_toolbar_get_icon_size (wtoolbar);
   4752           else
   4753             {
   4754               stock = Qnil;
   4755               stock_name = NULL;
   4756             }
   4757         }

emacs core dump: getenv problem?