Date: Thu, 9 Oct 2008 02:34:40 -0700 (PDT) From: Unga <unga888@yahoo.com> To: Alexander Kabaev <kabaev@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Help me to develop a FreeBSD patch for gcc-4.2.1 Message-ID: <533947.52036.qm@web57005.mail.re3.yahoo.com> In-Reply-To: <20081007185328.29220983@kan.dnsalias.net>
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--- On Wed, 10/8/08, Alexander Kabaev <kabaev@gmail.com> wrote:
> If you still have CVS tree available, you can do 'cvs
> diff -rFSF' in
> contrib/gcc and apply the patches to files gcc-4.2.1/gcc.
>
Hi Alexander
Here is how I made the patch:
cd ~
mkdir -pv freebsd
cd freebsd
cvs -d freebsdanoncvs@anoncvs.FreeBSD.org:/home/ncvs co -rRELENG_7 src
cvs diff -rFSF >& FreeBSD-gcc-4.2.1.patch
I have applied the patch on a fresh copy of gcc-4.2.1 and compiled. As before it develops errors:
../../gcc-4.2.1/gcc/c-format.c: In function 'check_format_info_main':
../../gcc-4.2.1/gcc/c-format.c:1780: error: 'flag_format_extensions' undeclared (first use in this function)
../../gcc-4.2.1/gcc/c-format.c:1780: error: (Each undeclared identifier is reported only once
../../gcc-4.2.1/gcc/c-format.c:1780: error: for each function it appears in.)
gmake[2]: *** [c-format.o] Error 1
Have I missed out something? Could you help me to move forward from here?
For an example, I can over come the above error by adding following lines to the gcc-4.2.1/gcc/config/i386/i386.opt:
fformat-extensions
Common Report Var(flag_format_extensions) Init(0)
Allow FreeBSD kernel-specific printf format specifiers.
Is that the correct move forward?
Best regards
Unga
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