toolchain/45368: cross-build of tools/gcc on Linux/amd64 fails

[gregoire.sutre%gmail.com@localhost]

>Number:         45368
>Category:       toolchain
>Synopsis:       cross-build of tools/gcc on Linux/amd64 fails
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Sep 14 16:45:00 +0000 2011
>Originator:     Grégoire Sutre
>Release:        
>Organization:
>Environment:
Linux yosemite 3.0.0-1-amd64 #1 SMP Sat Aug 27 16:21:11 UTC 2011 x86_64 
GNU/Linux

>Description:
From -current sources obtained via cvs, building tools under my Linux box fails 
with:

===> build.sh command:    ./build.sh -U -M /tmp/build -m amd64 tools
===> build.sh started:    Wed Sep 14 18:34:09 CEST 2011
===> NetBSD version:      5.99.55
===> MACHINE:             amd64
===> MACHINE_ARCH:        x86_64
===> Build platform:      Linux 3.0.0-1-amd64 x86_64
===> HOST_SH:             /bin/sh
/tmp/user/1001/Gmnr3Xoj:3: *** missing separator.  Stop.
===> No $TOOLDIR/bin/nbmake, needs building.
===> Bootstrapping nbmake

[...]

checking whether the cc  -m32 linker (ld -m elf_x86_64 -m elf_i386) supports 
shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... configure: error: Link tests are not 
allowed after GCC_NO_EXECUTABLES.
nbgmake: *** [configure-zlib] Error 1

*** Failed target:  .build_done
*** Failed command: (cd build && /usr/bin/env -i gcc_cv_libc_provides_ssp=yes 
gcc_cv_as_sparc_gotdata_op=no AR=ar 
AWK=/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin/nbawk CC=cc 
CFLAGS=-O CPPFLAGS= CXX=c++ CXXFLAGS=-O 
INSTALL=/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin/x86_64--netbsd-install\
 -c\ \ -r LDFLAGS= 
LEX=/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin/nblex 
MAKE=/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin/nbgmake 
PATH="/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin:$PATH" 
RANLIB=ranlib 
YACC=/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin/nbyacc 
MACHINE= 
MAKEINFO=/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin/nbmakeinfo
 LIBGCC= LIBGCC1= LIBGCC1_TEST= LIBGCC2= INSTALL_LIBGCC= EXTRA_PARTS= 
CPPFLAGS=-DNETBSD_TOOLS\ -DTARGET_SYSTEM_ROOT=0\ \ 
-DTARGET_SYSTEM_ROOT_RELOCATABLE AR=ar RANLIB=ranlib BISON=true DESTDIR= 
INSTALL=/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1
 -amd64-x86_64/bin/x86_64--netbsd-install\ -c\ \ -r 
/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin/nbgmake -e 
MACHINE= 
MAKEINFO=/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin/nbmakeinfo
 LIBGCC= LIBGCC1= LIBGCC1_TEST= LIBGCC2= INSTALL_LIBGCC= EXTRA_PARTS= 
CPPFLAGS=-DNETBSD_TOOLS\ -DTARGET_SYSTEM_ROOT=0\ \ 
-DTARGET_SYSTEM_ROOT_RELOCATABLE AR=ar RANLIB=ranlib BISON=true DESTDIR= 
INSTALL=/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin/x86_64--netbsd-install\
 -c\ \ -r all-gcc)
*** Error code 2

Stop.
nbmake: stopped in /tmp/src.cvs/tools/gcc

*** Failed target:  dependall
*** Failed command: cd "/tmp/src.cvs/tools/gcc"; 
/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin/nbmake realall
*** Error code 1

Stop.
nbmake: stopped in /tmp/src.cvs/tools/gcc

*** Failed target:  dependall-gcc
*** Failed command: _makedirtarget() { dir="$1"; shift; target="$1"; shift; 
case "${dir}" in /*) this="${dir}/"; real="${dir}" ;; .) this=""; 
real="/tmp/src.cvs/tools" ;; *) this="${dir}/"; 
real="/tmp/src.cvs/tools/${dir}" ;; esac; show=${this:-.}; echo "${target} ===> 
${show%/}${1:+ (with: $@)}"; cd "${real}" && 
/tmp/build/tmp/src.cvs/tooldir.Linux-3.0.0-1-amd64-x86_64/bin/nbmake 
_THISDIR_="${this}" "$@" ${target}; }; _makedirtarget gcc dependall
*** Error code 1

Stop.
nbmake: stopped in /tmp/src.cvs/tools

ERROR: Failed to make dependall in "tools"
*** BUILD ABORTED ***


This box is running Debian GNU/Linux amd64 (testing).  The installed gcc is:
$ gcc --version
gcc (Debian 4.6.1-4) 4.6.1

>How-To-Repeat:
Cross-build tools on Linux/amd64 (gcc 4.6.1)

>Fix: