toolchain/49400: tools/gcc fails to build on Linux

[bsiegert%NetBSD.org@localhost]

>Number:         49400
>Category:       toolchain
>Synopsis:       tools/gcc fails to build on Linux
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Nov 17 14:55:00 +0000 2014
>Originator:     Benny Siegert
>Release:        netbsd-6 branch as of 2014-11-17
>Organization:
The NetBSD Foundation
>Environment:
Linux [redacted] 3.13.0-39-generic #66-Ubuntu SMP Tue Oct 28 13:30:27 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

>Description:
I am cross-compiling NetBSD 6 (amd64) on a GNU/Linux system (also amd64). The build of gcc 4.8, as part of the tools phase, fails with the following error:

c++ -c   -O -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I/usr/local/google/home/bsiegert/NetBSD/src/tools/gcc/../../external/gpl3/gcc/dist/gcc -I/usr/local/google/home/bsiegert/NetBSD/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/build -I/usr/local/google/home/bsiegert/NetBSD/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/../include -I/usr/local/google/home/bsiegert/NetBSD/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/../libcpp/include -I/usr/local/google/home/bsiegert/NetBSD/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/../libdecnumber -I/usr/local/google/home/bsiegert/NetBSD/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/../libdecnumber/dpd -I../libdecnumber -I/usr/local/google/home/bsiegert/NetBSD/src/tools/gcc/../../external/gp
 l3/gcc/dist/gcc/../libbacktrace   -DNETBSD_TOOLS -DTARGET_SYSTEM_ROOT=0  -DTARGET_SYSTEM_ROOT_RELOCATABLE \
	-DBASEVER="\"4.8.4\"" -DDATESTAMP="\" 20141009\"" \
	-DREVISION="\"\"" \
	-DDEVPHASE="\" (prerelease)\"" -DPKGVERSION="\"(NetBSD nb1 20141012) \"" \
	-DBUGURL="\"<http://www.NetBSD.org/Misc/send-pr.html>\"" -o build/version.o /usr/local/google/home/bsiegert/NetBSD/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/version.c
c++   -O -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -DGENERATOR_FILE -static-libstdc++ -static-libgcc  -o build/gengtype \
	    build/gengtype.o build/errors.o build/gengtype-lex.o build/gengtype-parse.o build/gengtype-state.o build/version.o ../build-x86_64-unknown-linux-gnu/libiberty/libiberty.a
build/gengtype.o: In function `adjust_field_type(type*, options*)':
gengtype.c:(.text+0x1b00): undefined reference to `lexer_line'
gengtype.c:(.text+0x1b37): undefined reference to `lexer_line'
gengtype.c:(.text+0x1c3a): undefined reference to `lexer_line'
gengtype.c:(.text+0x1cfe): undefined reference to `lexer_line'
gengtype.c:(.text+0x1d9a): undefined reference to `lexer_line'
build/gengtype.o:gengtype.c:(.text+0x1ddd): more undefined references to `lexer_line' follow
build/gengtype-parse.o: In function `require(int)':
gengtype-parse.c:(.text+0x1a3): undefined reference to `yylex(char const**)'
build/gengtype-parse.o: In function `require2(int, int)':
gengtype-parse.c:(.text+0x214): undefined reference to `yylex(char const**)'
build/gengtype-parse.o: In function `string_seq()':
gengtype-parse.c:(.text+0x30e): undefined reference to `yylex(char const**)'
build/gengtype-parse.o: In function `consume_balanced(int, int)':
gengtype-parse.c:(.text+0x360): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0x3fd): undefined reference to `yylex(char const**)'
build/gengtype-parse.o:gengtype-parse.c:(.text+0x425): more undefined references to `yylex(char const**)' follow
build/gengtype-parse.o: In function `type(options**, bool)':
gengtype-parse.c:(.text+0xca3): undefined reference to `lexer_line'
gengtype-parse.c:(.text+0xcc0): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0xcf2): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0xd26): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0xd68): undefined reference to `lexer_line'
gengtype-parse.c:(.text+0xd7e): undefined reference to `lexer_line'
gengtype-parse.c:(.text+0xda0): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0xdd9): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0xe0b): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0xe84): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0xef2): undefined reference to `yylex(char const**)'
build/gengtype-parse.o:gengtype-parse.c:(.text+0xf1f): more undefined references to `yylex(char const**)' follow
build/gengtype-parse.o: In function `type(options**, bool)':
gengtype-parse.c:(.text+0x108e): undefined reference to `lexer_line'
gengtype-parse.c:(.text+0x10c2): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0x10eb): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0x1125): undefined reference to `lexer_line'
gengtype-parse.c:(.text+0x114b): undefined reference to `lexer_line'
gengtype-parse.c:(.text+0x116d): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0x11f6): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0x1221): undefined reference to `lexer_line'
gengtype-parse.c:(.text+0x1237): undefined reference to `lexer_line'
gengtype-parse.c:(.text+0x1257): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0x1294): undefined reference to `yylex(char const**)'
build/gengtype-parse.o: In function `absdecl()':
gengtype-parse.c:(.text+0x1354): undefined reference to `yylex(char const**)'
build/gengtype-parse.o: In function `inner_declarator(type*, char const**, options**, bool)':
gengtype-parse.c:(.text+0x13bd): undefined reference to `yylex(char const**)'
build/gengtype-parse.o: In function `parse_file(char const*)':
gengtype-parse.c:(.text+0x142c): undefined reference to `yybegin(char const*)'
gengtype-parse.c:(.text+0x143f): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0x14b3): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0x1572): undefined reference to `lexer_line'
gengtype-parse.c:(.text+0x15c4): undefined reference to `yylex(char const**)'
gengtype-parse.c:(.text+0x1667): undefined reference to `lexer_line'
gengtype-parse.c:(.text+0x16a1): undefined reference to `lexer_toplevel_done'
gengtype-parse.c:(.text+0x16b6): undefined reference to `yyend()'
collect2: error: ld returned 1 exit status
nbgmake[1]: *** [build/gengtype] Error 1
nbgmake[1]: Leaving directory `/usr/local/google/home/bsiegert/NetBSD/src/tools/gcc/obj/build/gcc'
nbgmake: *** [all-gcc] Error 2

>How-To-Repeat:
./build.sh -N 1 -m amd64 -U tools

as an unprivileged user
>Fix: