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From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Dave Jones <davej@redhat.com>
Cc: Michal Marek <mmarek@suse.cz>,
	linux-next@vger.kernel.org, linux-kernel@vger.kernel.org,
	Sam Ravnborg <sam@ravnborg.org>
Subject: Re: linux-next: build warning after merge of the kbuild tree
Date: Mon, 2 May 2011 14:53:38 +1000	[thread overview]
Message-ID: <20110502145338.7be2fdbc.sfr@canb.auug.org.au> (raw)
In-Reply-To: <20110502142454.a7091ad5.sfr@canb.auug.org.au>

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Hi Dave,

hmmm,

On my build machine:
$ /opt/cross/gcc-4.4.5-nolibc/x86_64-linux/bin/x86_64-linux-gcc -Wno-unused-but-set-variable -c -xc /dev/null -o /tmp/xx.o; echo $?
0
$ /opt/cross/gcc-4.4.5-nolibc/x86_64-linux/bin/x86_64-linux-gcc -Wunused-but-set-variable -c -xc /dev/null -o /tmp/xx.o; echo $?
cc1: error: unrecognized command line option "-Wunused-but-set-variable"
1
$ gcc -Wno-unused-but-set-variable -c -xc /dev/null -o /tmp/xx.o; echo $?
0
$ gcc -Wunused-but-set-variable -c -xc /dev/null -o /tmp/xx.o; echo $?
cc1: error: unrecognized command line option "-Wunused-but-set-variable"
1
$ gcc -v
Using built-in specs.
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.4.5-8' --with-bugurl=file:///usr/share/doc/gcc-4.4/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.4 --enable-shared --enable-multiarch --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.4 --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --with-arch-32=i586 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.4.5 (Debian 4.4.5-8) 

On master.kernel.org:

$ gcc -Wno-unused-but-set-variable -c -xc /dev/null -o /tmp/xx.o; echo $?
0
$ gcc -Wunused-but-set-variable -c -xc /dev/null -o /tmp/xx.o; echo $?
0
$ gcc -v
Using built-in specs.
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.4.5 20101112 (Red Hat 4.4.5-2) (GCC) 

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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  parent reply	other threads:[~2011-05-02  4:53 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-02  2:18 linux-next: build warning after merge of the kbuild tree Stephen Rothwell
2011-05-02  2:24 ` Dave Jones
2011-05-02  3:45   ` Stephen Rothwell
2011-05-02  4:02     ` Dave Jones
2011-05-02  4:44       ` Stephen Rothwell
2011-05-02  4:24     ` Stephen Rothwell
2011-05-02  4:36       ` Dave Jones
2011-05-02  5:57         ` Stephen Rothwell
2011-05-02  4:53       ` Stephen Rothwell [this message]
2011-05-02 11:13         ` Michal Marek
2011-05-02 12:13           ` [PATCH] kbuild: Fix passing -Wno-* options to gcc 4.4+ Michal Marek
2011-05-03  0:44             ` Stephen Rothwell
2011-05-03  8:52               ` Michal Marek
2011-05-02 15:17           ` linux-next: build warning after merge of the kbuild tree Valdis.Kletnieks
2011-05-02 15:31             ` Michal Marek
  -- strict thread matches above, loose matches on Subject: below --
2023-10-03 23:13 Stephen Rothwell
2023-08-28  4:57 Stephen Rothwell
2023-08-28 17:28 ` Nick Desaulniers
2021-08-19 23:28 Stephen Rothwell
2021-08-23  0:25 ` Masahiro Yamada
2020-12-20 22:10 Stephen Rothwell
2020-12-09  9:30 Stephen Rothwell
2020-12-09 13:01 ` Dominique Martinet
2020-12-09 20:56   ` Stephen Rothwell
2020-12-10  6:47     ` Dominique Martinet
2020-12-14 20:44 ` Stephen Rothwell
2017-12-10 22:52 Stephen Rothwell
2017-12-11  0:22 ` Masahiro Yamada
2017-12-11 16:11   ` Bart Van Assche
2016-11-30 23:06 Stephen Rothwell
2016-12-01  2:00 ` Nicholas Piggin
2010-12-23  0:00 Stephen Rothwell
2010-09-30  0:52 Stephen Rothwell
2010-09-30 20:24 ` Michal Marek
2010-09-30  0:50 Stephen Rothwell
2010-09-30 20:25 ` Michal Marek

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