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Re: [patchv3 1/2] Remove a.out NetBSD and OpenBSD hosta and targets

From: Mark Kettenis <mark dot kettenis at xs4all dot nl>
To: jan dot kratochvil at redhat dot com
Cc: gdb-patches at sourceware dot org, mark dot kettenis at xs4all dot nl
Date: Fri, 20 Sep 2013 11:24:28 +0200 (CEST)
Subject: Re: [patchv3 1/2] Remove a.out NetBSD and OpenBSD hosta and targets
Authentication-results: sourceware.org; auth=none
References: <20130919200212 dot GA32111 at host2 dot jankratochvil dot net> <20130919202622 dot GA2940 at host2 dot jankratochvil dot net> <20130919210134 dot GA3314 at host2 dot jankratochvil dot net>

> Date: Thu, 19 Sep 2013 23:01:34 +0200
> From: Jan Kratochvil <jan.kratochvil@redhat.com>
> 
> Hello,
> 
> fixed up targets -> hosts and targets.

There's a bit of a problem here.  The removal of some of the -netbsd*
stuff will also remove support for some of the NetBSD ELF targets.
That should not happen.  So I think you should:

1. Drop the configure.tgt bit from this diff.  The removal of a.out
   support should only affect *native* builds.

2. Adjust the NEWS to only list the old OpenBSD/i386 and explicit
   NetBSD a.out bits.

> gdb/
> 2013-09-19  Jan Kratochvil  <jan.kratochvil@redhat.com>
> 
> 	Remove a.out NetBSD and OpenBSD hosts and targets.
> 	* NEWS (Removed hosts, Removed targets): New.
> 	* config/arm/nbsdaout.mh: Remove.
> 	* config/i386/nbsdaout.mh: Remove.
> 	* config/i386/obsdaout.mh: Remove.
> 	* config/m68k/nbsdaout.mh: Remove.
> 	* config/sparc/nbsdaout.mh: Remove.
> 	* config/vax/nbsdaout.mh: Remove.
> 	* configure.host (arm*-*-netbsd*, i[34567]86-*-netbsd*)
> 	(i[34567]86-*-openbsd[0-2].*, i[34567]86-*-openbsd3.[0-3])
> 	(m68*-*-netbsd*, sparc-*-netbsdaout*, sparc-*-netbsd*, vax-*-netbsd*):
> 	Remove.
> 	* configure.tgt (arm*-*-netbsd*, i[34567]86-*-netbsd*, m68*-*-netbsd*)
> 	(sparc-*-netbsd*, vax-*-netbsd*): Remove.
> 
> --- a/gdb/NEWS
> +++ b/gdb/NEWS
> @@ -25,6 +25,29 @@ Nios II ELF 			nios2*-*-elf
>  Nios II GNU/Linux		nios2*-*-linux
>  Texas Instruments MSP430	msp430*-*-elf
>  
> +* Removed hosts
> +
> +Support for these obsolete configurations has been removed.
> +
> +arm*-*-netbsd*
> +i[34567]86-*-netbsd*
> +i[34567]86-*-openbsd[0-2].*
> +i[34567]86-*-openbsd3.[0-3]
> +m68*-*-netbsd*
> +sparc-*-netbsdaout*
> +sparc-*-netbsd*
> +vax-*-netbsd*
> +
> +* Removed targets
> +
> +Support for these obsolete configurations has been removed.
> +
> +arm*-*-netbsd*
> +i[34567]86-*-netbsd*
> +m68*-*-netbsd*
> +sparc-*-netbsd*
> +vax-*-netbsd*
> +
>  * New commands:
>  catch rethrow
>    Like "catch throw", but catches a re-thrown exception.
> --- a/gdb/config/arm/nbsdaout.mh
> +++ /dev/null
> @@ -1,3 +0,0 @@
> -# Host: NetBSD/arm
> -NATDEPFILES= fork-child.o inf-ptrace.o armnbsd-nat.o \
> -	solib-sunos.o
> --- a/gdb/config/i386/nbsdaout.mh
> +++ /dev/null
> @@ -1,6 +0,0 @@
> -# Host: NetBSD/i386 a.out
> -NATDEPFILES= fork-child.o inf-ptrace.o \
> -	nbsd-nat.o i386bsd-nat.o i386nbsd-nat.o bsd-kvm.o \
> -	solib-sunos.o
> -
> -LOADLIBES= -lkvm
> --- a/gdb/config/i386/obsdaout.mh
> +++ /dev/null
> @@ -1,6 +0,0 @@
> -# Host: OpenBSD/i386 a.out
> -NATDEPFILES= fork-child.o inf-ptrace.o \
> -	i386bsd-nat.o i386nbsd-nat.o i386obsd-nat.o bsd-kvm.o \
> -	solib-sunos.o
> -
> -LOADLIBES= -lkvm
> --- a/gdb/config/m68k/nbsdaout.mh
> +++ /dev/null
> @@ -1,5 +0,0 @@
> -# Host: NetBSD/m68k a.out
> -NATDEPFILES= m68kbsd-nat.o fork-child.o inf-ptrace.o \
> -	solib-sunos.o
> -
> -LOADLIBES= -lkvm
> --- a/gdb/config/sparc/nbsdaout.mh
> +++ /dev/null
> @@ -1,5 +0,0 @@
> -# Host: NetBSD/sparc a.out
> -NATDEPFILES= fork-child.o inf-ptrace.o \
> -	sparc-nat.o sparcnbsd-nat.o bsd-kvm.o solib-sunos.o
> -
> -LOADLIBES= -lkvm
> --- a/gdb/config/vax/nbsdaout.mh
> +++ /dev/null
> @@ -1,6 +0,0 @@
> -# Host: NetBSD/vax a.out
> -NATDEPFILES= fork-child.o inf-ptrace.o \
> -	vaxbsd-nat.o bsd-kvm.o \
> -	solib-sunos.o
> -
> -LOADLIBES= -lkvm
> --- a/gdb/configure.host
> +++ b/gdb/configure.host
> @@ -78,7 +78,6 @@ alpha*-*-openbsd*)	gdb_host=nbsd ;;
>  arm*-*-linux*)		gdb_host=linux ;;
>  arm*-*-netbsdelf* | arm*-*-knetbsd*-gnu)
>  			gdb_host=nbsdelf ;;
> -arm*-*-netbsd*)		gdb_host=nbsdaout ;;
>  arm*-*-openbsd*)	gdb_host=nbsdelf ;;
>  
>  hppa*-*-hpux*)
> @@ -91,7 +90,6 @@ i[34567]86-*-freebsd* | i[34567]86-*-kfreebsd*-gnu)
>  			gdb_host=fbsd ;;
>  i[34567]86-*-netbsdelf* | i[34567]86-*-knetbsd*-gnu)
>  			gdb_host=nbsdelf ;;
> -i[34567]86-*-netbsd*)	gdb_host=nbsdaout ;;
>  i[34567]86-*-go32*)	gdb_host=go32 ;;
>  i[34567]86-*-mingw32*)	gdb_host=mingw
>  			gdb_host_obs=mingw-hdep.o
> @@ -100,8 +98,6 @@ i[34567]86-*-msdosdjgpp*) gdb_host=go32 ;;
>  i[34567]86-*-linux*)	gdb_host=linux ;;
>  i[34567]86-*-gnu*)	gdb_host=i386gnu ;;
>  i[3456]86-*-nto*) 	gdb_host=nto ;;
> -i[34567]86-*-openbsd[0-2].* | i[34567]86-*-openbsd3.[0-3])
> -			gdb_host=obsdaout ;;
>  i[34567]86-*-openbsd*)	gdb_host=obsd ;;
>  i[34567]86-*-solaris2.1[0-9]* | x86_64-*-solaris2.1[0-9]*)
>  			gdb_host=sol2-64 ;;
> @@ -114,7 +110,6 @@ ia64-*-linux*)		gdb_host=linux ;;
>  m68*-*-linux*)		gdb_host=linux ;;
>  m68*-*-netbsdelf* | m68*-*-knetbsd*-gnu)
>  			gdb_host=nbsdelf ;;
> -m68*-*-netbsd*)		gdb_host=nbsdaout ;;
>  m68*-*-openbsd*)	gdb_host=obsd ;;
>  
>  m88*-*-openbsd*)	gdb_host=obsd ;;
> @@ -154,8 +149,6 @@ sparc-*-linux*)		gdb_host=linux ;;
>  sparc64-*-linux*)	gdb_host=linux64 ;;
>  sparc-*-netbsdelf* | sparc-*-knetbsd*-gnu)
>  			gdb_host=nbsdelf ;;
> -sparc-*-netbsdaout*)	gdb_host=nbsdaout ;;
> -sparc-*-netbsd*)	gdb_host=nbsdaout ;;
>  sparc64-*-netbsd* | sparc64-*-knetbsd*-gnu)
>  			gdb_host=nbsd64 ;;
>  sparc-*-openbsd*)	gdb_host=nbsdelf ;;
> @@ -169,7 +162,6 @@ tilegx-*-linux*)	gdb_host=linux ;;
>  vax-*-bsd*)		gdb_host=vax ;;
>  vax-*-netbsdelf* | vax-*-knetbsd*-gnu)
>  			gdb_host=nbsdelf ;;
> -vax-*-netbsd*)		gdb_host=nbsdaout ;;
>  vax-*-openbsd*)		gdb_host=obsd ;;
>  vax-*-ultrix*)		gdb_host=vax ;;
>  
> --- a/gdb/configure.tgt
> +++ b/gdb/configure.tgt
> @@ -92,7 +92,7 @@ arm*-*-linux*)
>  			solib-svr4.o symfile-mem.o linux-tdep.o"
>  	build_gdbserver=yes
>  	;;
> -arm*-*-netbsd* | arm*-*-knetbsd*-gnu)
> +arm*-*-knetbsd*-gnu)
>  	# Target: NetBSD/arm
>  	gdb_target_obs="arm-tdep.o armnbsd-tdep.o solib-svr4.o"
>  	;;
> @@ -191,7 +191,7 @@ i[34567]86-*-freebsd* | i[34567]86-*-kfreebsd*-gnu)
>  	gdb_target_obs="i386-tdep.o i387-tdep.o i386bsd-tdep.o i386fbsd-tdep.o \
>  			bsd-uthread.o solib-svr4.o"
>  	;;
> -i[34567]86-*-netbsd* | i[34567]86-*-knetbsd*-gnu)
> +i[34567]86-*-knetbsd*-gnu)
>  	# Target: NetBSD/i386
>  	gdb_target_obs="i386-tdep.o i387-tdep.o i386bsd-tdep.o i386nbsd-tdep.o \
>  			nbsd-tdep.o solib-svr4.o"
> @@ -318,7 +318,7 @@ m68*-*-linux*)
>  			linux-tdep.o glibc-tdep.o symfile-mem.o"
>  	build_gdbserver=yes
>  	;;
> -m68*-*-netbsd* | m68*-*-knetbsd*-gnu)
> +m68*-*-knetbsd*-gnu)
>  	# Target: NetBSD/m68k
>  	gdb_target_obs="m68k-tdep.o m68kbsd-tdep.o solib-svr4.o"
>  	;;
> @@ -546,7 +546,7 @@ sparc*-*-freebsd* | sparc*-*-kfreebsd*-gnu)
>  			solib-svr4.o \
>  			ravenscar-thread.o sparc-ravenscar-thread.o"
>  	;;
> -sparc-*-netbsd* | sparc-*-knetbsd*-gnu)
> +sparc-*-knetbsd*-gnu)
>  	# Target: NetBSD/sparc
>  	gdb_target_obs="sparc-tdep.o sparcnbsd-tdep.o nbsd-tdep.o \
>  			solib-svr4.o \
> @@ -631,7 +631,7 @@ v850*-*-elf | v850*-*-rtems*)
>  	gdb_sim=../sim/v850/libsim.a
>  	;;
>  
> -vax-*-netbsd* | vax-*-knetbsd*-gnu)
> +vax-*-knetbsd*-gnu)
>  	# Target: NetBSD/vax
>  	gdb_target_obs="vax-tdep.o vaxnbsd-tdep.o solib-svr4.o"
>  	;;
>

References:
- [patch 1/2] Remove a.out NetBSD and OpenBSD targets
  - From: Jan Kratochvil
- [patchv2 1/2] Remove a.out NetBSD and OpenBSD targets
  - From: Jan Kratochvil
- [patchv3 1/2] Remove a.out NetBSD and OpenBSD hosta and targets
  - From: Jan Kratochvil

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