GDB build is broken, when HAVE_ZLIB_H is not defined.

[Maxim Grigoriev <maxim@tensilica.com>]

Hello, everybody,

Am I missing something here ?
My build is broken:

xtensa_dc232b-linux-uclibc-gcc -c -g -O2   -I. 
-I/home/maxim/GDB/CVS/src/gdb -I/home/maxim/GDB/CVS/src/gdb/config 
-DLOCALEDIR="\"/opt/local/maxim/LINUX_ROOT/maxim/native_gdb/share/locale\"" 
-DHAVE_CONFIG_H -I/home/maxim/GDB/CVS/src/gdb/../include/opcode 
-I/home/maxim/GDB/CVS/src/gdb/../readline/.. -I../bfd 
-I/home/maxim/GDB/CVS/src/gdb/../bfd 
-I/home/maxim/GDB/CVS/src/gdb/../include -I../libdecnumber 
-I/home/maxim/GDB/CVS/src/gdb/../libdecnumber -I./../intl 
-I/home/maxim/GDB/CVS/src/gdb/gnulib -Ignulib  -DMI_OUT=1  -Wall 
-Wdeclaration-after-statement -Wpointer-arith -Wformat-nonliteral 
-Wno-pointer-sign -Wno-unused -Wno-switch -Wno-char-subscripts -Werror 
/home/maxim/GDB/CVS/src/gdb/dwarf2read.c
/home/maxim/GDB/CVS/src/gdb/dwarf2read.c: In function 
'zlib_decompress_section':
/home/maxim/GDB/CVS/src/gdb/dwarf2read.c:5301: error: 'abfd' undeclared 
(first use in this function)
/home/maxim/GDB/CVS/src/gdb/dwarf2read.c:5301: error: (Each undeclared 
identifier is reported only once
/home/maxim/GDB/CVS/src/gdb/dwarf2read.c:5301: error: for each function 
it appears in.)
make[2]: *** [dwarf2read.o] Error 1

                           * * * * *

in dwarf2read.c, should not it look like this :

static void
zlib_decompress_section (struct objfile *objfile, asection *sectp,
                         gdb_byte **outbuf, bfd_size_type *outsize)
{
  bfd *abfd = objfile->obfd;
#ifndef HAVE_ZLIB_H
  error (_("Support for zlib-compressed DWARF data (from '%s') "
           "is disabled in this copy of GDB"),
         bfd_get_filename (abfd));
#else
  bfd_size_type compressed_size = bfd_get_section_size (sectp);
. . . .

-- Maxim