Re: GDB Master Fails to Build on CentOS 7

Simon Marchi via Gdb
2021-05-21T15:31:32Z

On 2021-05-21 11:18 a.m., Joel Sherrill via Gdb wrote:
> Hi
>
> This appears to be due to the older gcc apparently not defaulting to C99.
> Either the code needs to change or -std=c99 needs to be passed by the build
> machinery.
>
> ibtool: compile: gcc -O2 -g -pipe
> -I/home/joel/rtems-work/rtems-source-builder/rtems/build/tmp/sb-1001/7/rtems-powerpc/home/joel/rtems-work/tools/7/include
> -DHAVE_CONFIG_H -I. -I../../sourceware-mirror-binutils-gdb-ed29efb/opcodes
> -I. -I../../sourceware-mirror-binutils-gdb-ed29efb/opcodes -I../bfd
> -I../../sourceware-mirror-binutils-gdb-ed29efb/opcodes/../include
> -I../../sourceware-mirror-binutils-gdb-ed29efb/opcodes/../bfd -W -Wall
> -Wstrict-prototypes -Wmissing-prototypes -Wshadow -g -O2 -MT ppc-dis.lo -MD
> -MP -MF .deps/ppc-dis.Tpo -c
> ../../sourceware-mirror-binutils-gdb-ed29efb/opcodes/ppc-dis.c -o ppc-dis.o
> ../../sourceware-mirror-binutils-gdb-ed29efb/opcodes/ppc-dis.c: In function
> ‘print_insn_powerpc’:
> ../../sourceware-mirror-binutils-gdb-ed29efb/opcodes/ppc-dis.c:1071:8:
> error: ‘for’ loop initial declarations are only allowed in C99 mode
> for (int i = 0; i < 2; i++)
>
> Thanks.
>
> --joel
> RTEMS
>

This should normally be fixed by this commit:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a8d6316b67d52eaa1b7b311084ddff71a66f7cc0

Simon