Did you actually re-build the code? Configure just sets up some of the scripts:
1) ./configure #(with desired environment settings)
2) ./autogen.sh
3) make #(hopefully -j8 or something)
Then you'll need to make sure that the built library is the one you're
linking with -- how to do this varies a bit depending on your
environment but probably the easiest way to do it is to run "make
install".
-Greg
On Mon, May 16, 2011 at 5:45 AM, Simon Tian <aixt2006@xxxxxxxxx> wrote:
> Hi,
>
> I tried ( CFLAGS="-march=x86_64 -pipe -ggdb"
> CXXFLAGS="${CFLAGS}" ), but error comes:
> ======================================================
> root@xxxxxxxxxxxxxxxxxxxxxxxxxxxx # ./configure
> checking build system type... x86_64-unknown-linux-gnu
> checking host system type... x86_64-unknown-linux-gnu
> checking target system type... x86_64-unknown-linux-gnu
> checking for a BSD-compatible install... /usr/bin/install -c
> checking whether build environment is sane... yes
> checking for a thread-safe mkdir -p... /bin/mkdir -p
> checking for gawk... gawk
> checking whether make sets $(MAKE)... yes
> checking for style of include used by make... GNU
> checking for gcc... gcc
> checking for C compiler default output file name...
> configure: error: C compiler cannot create executables
> See `config.log' for more details.
> =======================================================
>
> So I tried ( CFLAGS="-pipe -ggdb" CXXFLAGS="${CFLAGS}" ),
> all the FLAGS in the Makefile was set to "-pipe -ggdb", as the
> attachment showed..
>
> Hmm, but there was still "??" in the back trace:
>
> (gdb) bt
> #0 0x00007fd007491c32 in ?? () from /usr/local/lib/libceph.so.1
> #1 0x00007fd00746322d in ceph_write (fd=10, buf=0x7fff4ffe2210 "",
> size=2097152, offset=0) at libceph.cc:322
> #2 0x0000000000400fd3 in main (argc=1, argv=0x7fff501e23d8) at testceph.cc:72
>
>
>
>
>
> There is a exception when running my application with libceph, so I
> need the stack in the libceph to point the problem. It's a little
> URGENT...But I don't know what happened in the libceph, so
> unlucky.....Here is my stack:
> ===================================================================================
> (gdb) c
> Continuing.
>
> Program received signal SIGABRT, Aborted.
> [Switching to Thread 0x40838940 (LWP 9118)]
> 0x000000312b630265 in raise () from /lib64/libc.so.6
> (gdb) bt
> #0 0x000000312b630265 in raise () from /lib64/libc.so.6
> #1 0x000000312b631d10 in abort () from /lib64/libc.so.6
> #2 0x000000312debec44 in __gnu_cxx::__verbose_terminate_handler ()
> from /usr/lib64/libstdc++.so.6
> #3 0x000000312debcdb6 in ?? () from /usr/lib64/libstdc++.so.6
> #4 0x000000312debcde3 in std::terminate () from /usr/lib64/libstdc++.so.6
> #5 0x000000312debceca in __cxa_throw () from /usr/lib64/libstdc++.so.6
> #6 0x00007fdb4cce7a78 in ?? () from /usr/local/lib/libceph.so.1
> #7 0x00007fdb4cbb4e1c in Mutex::Lock (this=0x66d790,
> no_lockdep=false) at ./common/Mutex.h:118
> #8 0x00007fdb4cbcf5f4 in ?? () from /usr/local/lib/libceph.so.1
> #9 0x00007fdb4cc45304 in ?? () from /usr/local/lib/libceph.so.1
> #10 0x00007fdb4cd2b1d5 in ?? () from /usr/local/lib/libceph.so.1
> #11 0x00007fdb4cbec038 in ?? () from /usr/local/lib/libceph.so.1
> #12 0x00007fdb4cc6101d in ?? () from /usr/local/lib/libceph.so.1
> #13 0x00007fdb4cc4862b in ?? () from /usr/local/lib/libceph.so.1
> #14 0x00007fdb4cbb8641 in ?? () from /usr/local/lib/libceph.so.1
> #15 0x00007fdb4cbf0a28 in ?? () from /usr/local/lib/libceph.so.1
> #16 0x000000312be064a7 in start_thread () from /lib64/libpthread.so.0
> #17 0x000000312b6d3c2d in clone () from /lib64/libc.so.6
> (gdb)
> ===================================================================================
>
>
> Thx!
> Simon
>
>
> 2011/5/15 Dyweni - Ceph-Devel <YS3fpFE2ykfB@xxxxxxxxxx>:
>> Hi Simon!
>>
>> Set your CFLAGS and CXXFLAGS environment variables before calling configure
>> and make.
>>
>> Example:
>> CFLAGS="-march=native -pipe -ggdb" CXXFLAGS="${CFLAGS}" ./configure
>> CFLAGS="-march=native -pipe -ggdb" CXXFLAGS="${CFLAGS}" make
>> etc
>>
>>
>> Thanks,
>> Dyweni
>>
>>
>> On Sun, 15 May 2011 20:37:16 +0800, Simon Tian wrote:
>>
>>> Hi Dyweni,
>>>
>>> Can I do this by any options of "./configure"? or JUST modify
>>> the Makefile manually?
>>>
>>> Thx!
>>> Simon
>>>
>>
>>
>
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