[gdb-7.0] 7.0 branch sparc-tdep.c build error in amd64

[gdb-7.0] 7.0 branch sparc-tdep.c build error in amd64

[Hui Zhu]

gcc -g -O2   -I. -I../../src/gdb -I../../src/gdb/common
-I../../src/gdb/config -DLOCALEDIR="\"/usr/local/share/locale\""
-DHAVE_CONFIG_H -I../../src/gdb/../include/opcode
-I../../src/gdb/../readline/.. -I../bfd -I../../src/gdb/../bfd
-I../../src/gdb/../include -I../libdecnumber
-I../../src/gdb/../libdecnumber  -I../../src/gdb/gnulib -Ignulib
-DMI_OUT=1 -DTUI=1   -Wall -Wdeclaration-after-statement
-Wpointer-arith -Wformat-nonliteral -Wno-pointer-sign -Wno-unused
-Wno-switch -Wno-char-subscripts -Werror -c -o sparc-tdep.o -MT
sparc-tdep.o -MMD -MP -MF .deps/sparc-tdep.Tpo
../../src/gdb/sparc-tdep.c
cc1: warnings being treated as errors
In function 'memcpy',
    inlined from 'sparc32_store_return_value' at
../../src/gdb/sparc-tdep.c:1112,
    inlined from 'sparc32_return_value' at ../../src/gdb/sparc-tdep.c:1170:
/usr/include/bits/string3.h:52: error: call to __builtin___memcpy_chk
will always overflow destination buffer
make[2]: *** [sparc-tdep.o] Error 1
make[2]: Leaving directory `/home/teawater/gdb/7/bgdb/gdb'
make[1]: *** [all-gdb] Error 2
make[1]: Leaving directory `/home/teawater/gdb/7/bgdb'
make: *** [all] Error 2

My config is:
../src/configure --disable-sid --disable-rda --disable-binutils
--disable-gas --disable-ld --disable-gprof --enable-targets=all
--enable-64-bits-bfd

2.6.28-15-generic #49-Ubuntu SMP Tue Aug 18 19:25:34 UTC 2009 x86_64 GNU/Linux

Thanks,
Hui

Re: [gdb-7.0] 7.0 branch sparc-tdep.c build error in amd64

[Joel Brobecker]

> In function 'memcpy',
>     inlined from 'sparc32_store_return_value' at
> ../../src/gdb/sparc-tdep.c:1112,
>     inlined from 'sparc32_return_value' at ../../src/gdb/sparc-tdep.c:1170:
> /usr/include/bits/string3.h:52: error: call to __builtin___memcpy_chk
> will always overflow destination buffer

Apparently, this is a GCC bug:
http://sourceware.org/ml/gdb-patches/2009-09/msg00568.html

-- 
Joel

Re: [gdb-7.0] 7.0 branch sparc-tdep.c build error in amd64

[Hui Zhu]

Got it.  Thanks Joel.

Hui

On Wed, Sep 30, 2009 at 11:35, Joel Brobecker <brobecker@adacore.com> wrote:
>> In function 'memcpy',
>>     inlined from 'sparc32_store_return_value' at
>> ../../src/gdb/sparc-tdep.c:1112,
>>     inlined from 'sparc32_return_value' at ../../src/gdb/sparc-tdep.c:1170:
>> /usr/include/bits/string3.h:52: error: call to __builtin___memcpy_chk
>> will always overflow destination buffer
>
> Apparently, this is a GCC bug:
> http://sourceware.org/ml/gdb-patches/2009-09/msg00568.html
>
> --
> Joel
>