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* Makefile.in (ALL_TARGET_OBS): Remove object files that require

Browse Source 
64-bit CORE_ADDR and BFD support, move them to ...
	(ALL_64_TARGET_OBS): ... this new variable.
	* configure.ac: Check for --enable-64-bit-bfd option.  Only add
	64-bit targets with --enable-targets=all if BFD supports 64-bit.
	* configure: Regenerate.

	* i386-cygwin-tdep.c (i386_cygwin_osabi_sniffer): Do not claim
	all elf32-i386 executables, only cygwin core files.
This commit is contained in:
Ulrich Weigand
2007-11-27 17:06:12 +00:00
parent 5f1c91d91e
commit c0993dbe92
5 changed files with 663 additions and 153 deletions
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36
gdb/configure.ac
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@ -101,6 +101,15 @@ AC_ARG_ENABLE(targets,
*) enable_targets=$enableval ;;
esac])
# Check whether to enable 64-bit support on 32-bit hosts
AC_ARG_ENABLE(64-bit-bfd,
[ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
[case "${enableval}" in
yes) want64=true ;;
no) want64=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
esac],[want64=false])dnl
# Provide defaults for some variables set by the per-host and per-target
# configuration.
gdb_host_obs=posix-hdep.o
@ -142,11 +151,36 @@ do
;;
esac
done
# Check whether this target needs 64-bit CORE_ADDR
if test x${want64} = xfalse; then
. ${srcdir}/../bfd/config.bfd
fi
fi
done
if test x${all_targets} = xtrue; then
TARGET_OBS='$(ALL_TARGET_OBS)'
# We want all 64-bit targets if we either:
# - run on a 64-bit host or
# - already require 64-bit support for some other target or
# - the --enable-64-bit-bfd option was supplied
# Otherwise we only support all 32-bit targets.
#
# NOTE: This test must be in sync with the corresponding
# tests in BFD!
if test x${want64} = xfalse; then
AC_CHECK_SIZEOF(long)
if test "x${ac_cv_sizeof_long}" = "x8"; then
want64=true
fi
fi
if test x${want64} = xtrue; then
TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
else
TARGET_OBS='$(ALL_TARGET_OBS)'
fi
fi
AC_SUBST(TARGET_OBS)