On Mon, Mar 18, 2013 at 5:29 PM, Paul K <paulclin...@yahoo.com> wrote:
> Hi John,
>
> I'm using assert() to check some of the conditions in my code before I
> start the event loop and noticed that when the script exits after
> "require 'wx'", but before the main loop is started, it triggers
> segfault on Linux (tested on Fedora 18, but I saw the same thing on
> Ubuntu).
Well, I'm not sure there is much difference between what is happening
and what you're asking to happen by calling assert(), which is to
terminate the program violently. But, in any case, I don't get the
same result so I suspect something is wrong with your build. I would
review your build and clean and rebuild it after sorting out any
inconsistencies with multiple png libs or anything else like that.
I just tried the program "test.lua" using the lastest wxLua SVN using
wxLua's provided Lua5.1 in CentOS 6. (I just noticed that you have to
do "mv libwx.so wx.so", I will fix that)
-- ------------------------------------------------------
-- test.lua
local wx = require("wx")
--os.exit()
--assert(false)
--return
print("hello")
-- ------------------------------------------------------
Note that I'm in the build-2.9-wx_gtk2/lib/Debug dir and run $gdb
../../bin/Debug/lua. That could also be a problem, are you building
using one version/build of Lua then running with a different one?
-- THIS HAS os.exit() unremmed
(gdb) run test.lua
Starting program:
/home/john/wx/wx-svn/wx-svn/wx/build-2.9-wx_gtk2/bin/Debug/lua
test.lua
[Thread debugging using libthread_db enabled]
Program exited normally.
-- THIS HAS assert(false) unremmed
(gdb) run test.lua
Starting program:
/home/john/wx/wx-svn/wx-svn/wx/build-2.9-wx_gtk2/bin/Debug/lua
test.lua
[Thread debugging using libthread_db enabled]
/home/john/wx/wx-svn/wx-svn/wx/build-2.9-wx_gtk2/bin/Debug/lua:
test.lua:5: assertion failed!
stack traceback:
[C]: in function 'assert'
test.lua:5: in main chunk
[C]: ?
Program exited with code 01.
-- THIS HAS return unremmed
(gdb) run test.lua
Starting program:
/home/john/wx/wx-svn/wx-svn/wx/build-2.9-wx_gtk2/bin/Debug/lua
test.lua
[Thread debugging using libthread_db enabled]
hello
Program exited normally.
-- THIS just lets it run through.
(gdb) run test.lua
Starting program:
/home/john/wx/wx-svn/wx-svn/wx/build-2.9-wx_gtk2/bin/Debug/lua
test.lua
[Thread debugging using libthread_db enabled]
hello
Program exited normally.
(gdb)
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