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bug#28308: Build failure on FreeBSD/aarch64


From: Gergely Czuczy
Subject: bug#28308: Build failure on FreeBSD/aarch64
Date: Mon, 11 Sep 2017 19:12:12 +0200
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0

On 2017. 09. 11. 17:31, Eli Zaretskii wrote:
Cc: address@hidden, address@hidden
From: Gergely Czuczy <address@hidden>
Date: Mon, 11 Sep 2017 17:10:39 +0200

bootstrap-emacs`xnrealloc(pa=0x000000000019ae38, nitems=42949672960,
item_size=281474976703896) at alloc.c:939
       frame #2: 0x000000000022e208
bootstrap-emacs`xpalloc(pa=0x0000000000000000,
nitems=0x0000000041b1797f, nitems_incr_min=1683000,
nitems_max=42949672960, item_size=281474976703896) at alloc.c:0
       frame #3: 0x0000000000168214
bootstrap-emacs`delete_tty(terminal=0x3276551740f23ac5) at term.c:4463
       frame #4: 0x0000000000040190 bootstrap-emacs`__start + 376
       frame #5: 0x0000000040390018 ld-elf.so.1`.rtld_start at rtld_start.S:41
(lldb)
I don't understand how can this be.  Can you go to frame #3, in
delete_tty, and show what line of C code there allegedly calls
xpalloc?
Sure, here it is:
https://github.com/emacs-mirror/emacs/blob/f44184f/src/term.c#L4463
That's a call to delete_terminal, which doesn't appear in your
backtrace, and doesn't call xpalloc, either.  So thanks, but I'm still
confused.  Are you sure this is an unoptimized build?  Is it possible
that we are looking at LLDB bug?
It's the lldb debug, right. And I'm sure it's an unoptimized build, I've went back and checked the build flags: cc -Demacs  -I. -I. -I../lib -I../lib -I/usr/local/include/libxml2             -MMD -MF deps/.d -MP -Wno-switch -Wno-pointer-sign -Wno-string-plus-int -Wno-unknown-attributes -Wno-initializer-overrides -Wno-tautological-compare -Wno-tautological-constant-out-of-range-compare -O0 -g -fno-strict-aliasing  -Wl,-znocombreloc  (...)

If that helps, I can create a qemu VM with this fbsd build, and give you the image.






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