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[Emacs-diffs] master cdd0565: Fix undefined refs on some GNU/Linux hosts
From: |
Paul Eggert |
Subject: |
[Emacs-diffs] master cdd0565: Fix undefined refs on some GNU/Linux hosts |
Date: |
Mon, 21 Nov 2016 04:56:01 +0000 (UTC) |
branch: master
commit cdd056519da9ef058e28b5f198357af52228e9b6
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>
Fix undefined refs on some GNU/Linux hosts
Problem reported by Ken Raeburn in:
http://lists.gnu.org/archive/html/emacs-devel/2016-11/msg00463.html
* src/emacs.c (heap_bss_diff) [CANNOT_DUMP]: Remove, as this is
not needed in the CANNOT_UNDUMP case. All uses removed. This
removes unwanted references to my_endbss and my_endbss_static,
which are not optimized away on some platforms.
---
src/emacs.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/emacs.c b/src/emacs.c
index ac9b649..48df533 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -161,7 +161,7 @@ bool display_arg;
Tells GC how to save a copy of the stack. */
char *stack_bottom;
-#ifdef GNU_LINUX
+#if defined GNU_LINUX && !defined CANNOT_DUMP
/* The gap between BSS end and heap start as far as we can tell. */
static uprintmax_t heap_bss_diff;
#endif
@@ -716,14 +716,14 @@ main (int argc, char **argv)
#ifndef CANNOT_DUMP
might_dump = !initialized;
-#endif
-#ifdef GNU_LINUX
+# ifdef GNU_LINUX
if (!initialized)
{
char *heap_start = my_heap_start ();
heap_bss_diff = heap_start - max (my_endbss, my_endbss_static);
}
+# endif
#endif
#if defined WINDOWSNT || defined HAVE_NTGUI
@@ -2126,7 +2126,7 @@ You must run Emacs in batch mode in order to dump it. */)
if (!might_dump)
error ("Emacs can be dumped only once");
-#ifdef GNU_LINUX
+#if defined GNU_LINUX && !defined CANNOT_DUMP
/* Warn if the gap between BSS end and heap start is larger than this. */
# define MAX_HEAP_BSS_DIFF (1024*1024)
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