Your message dated Tue, 5 Jun 2007 09:47:43 +0200 with message-id <[EMAIL PROTECTED]> and subject line Bug#406753: Ubuntu branding by default in Debian gcc manpage for -fstack-protector: please also add Debian default has caused the attached Bug report to be marked as done.
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--- Begin Message ---Package: gcc-4.1 Version: 4.1.1ds2-21 Severity: minor Hi, When reviewing Ubuntu patches for Debian system packages that I co-maintain such as yaboot and mkvmlinuz, I had to check the status of -fstack-protector in Debian into gcc-4.1 source package, because the manpage is unclear about it. It would be nice to notice explicitely that -fno-stack-protector is the default on Debian. Thanks. Cheers, -- .''`. Aurélien GÉRÔME : :' : `. `'` Free Software Developer `- Unix Sys & Net Adminsignature.asc
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--- Begin Message ---tags 406753 + wontfix thanks no, we don't document things, which are the default anyway, or else we would have to do that for every option. > Some precisions to make myself more clear... > > -fstack-protector > > Emit extra code to check for buffer overflows, such as stack smashing > attacks. This is done by adding a guard variable to functions with > vulnerable objects. This includes functions that call alloca, > and functions with buffers larger than 8 bytes. The guards are > initialized when a function is entered and then checked when the > function exits. If a guard check fails, an error message is printed > and the program exits. On Ubuntu the default is -fstack-protector, > to turn it off use -fno-stack-protector. > > The last sentence might be replaced by: > > On Debian the default is -fnostack-protector, to turn it on use > -fstack-protector which is the default on Ubuntu.
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