smalltalk-3.2: installation failure on glibc system

Hi libtool guys,

I'm trying to install GNU smalltalk 3.2 on a bi-arch (i386, x86_64) system
in 32-bit mode. I used this configure command (already tested with dozens
of GNU packages):

$ ./configure --host=i686-pc-linux-gnu --prefix=/arch/x86-linux/gnu \
  CC="gcc -m32 -march=i586" CXX="g++ -m32 -march=i586" LDFLAGS="-m32" \
  CPPFLAGS=-Wall
...
$ make
...
/bin/sh ../libtool --tag=CC   --mode=link gcc -m32 -march=i586 -fomit-frame-pointer -g -O2 -Wall -Wdeclaration-after-statement -Wno-format -Wpointer-arith -Wno-pointer-sign -Wwrite-strings -Wno-strict-aliasing -Wno-switch -fno-gcse -fstrict-aliasing  -version-info 7:2:0 -no-undefined -export-symbols-regex "^gst_.*" -m32 -o libgst.la -rpath /arch/x86-linux/gnu/lib gstpub.lo files.lo gst-parse.lo lex.lo str.lo tree.lo byte.lo comp.lo sym.lo dict.lo oop.lo opt.lo save.lo cint.lo heap.lo input.lo sysdep.lo callin.lo xlat.lo mpz.lo print.lo alloc.lo security.lo re.lo interp.lo real.lo sockets.lo events.lo ../lib-src/library.la  ../sigsegv/src/libsigsegv.la ../libffi/libffi.la ../snprintfv/snprintfv/libsnprintfvc.la -lreadline   -lgmp -lpthread -lrt -lm
libtool: link: link -dump -symbols  .libs/gstpub.o .libs/files.o .libs/gst-parse.o .libs/lex.o .libs/str.o .libs/tree.o .libs/byte.o .libs/comp.o .libs/sym.o .libs/dict.o .libs/oop.o .libs/opt.o .libs/save.o .libs/cint.o .libs/heap.o .libs/input.o .libs/sysdep.o .libs/callin.o .libs/xlat.o .libs/mpz.o .libs/print.o .libs/alloc.o .libs/security.o .libs/re.o .libs/interp.o .libs/real.o .libs/sockets.o .libs/events.o   ../lib-src/.libs/library.a ../libffi/.libs/libffi.a ../snprintfv/snprintfv/.libs/libsnprintfvc.a |  | /arch/x86_64-linux/gnu/bin/sed 's/.* //' | sort | uniq > .libs/libgst.exp
../libtool: eval: line 950: syntax error near unexpected token `|'
../libtool: eval: line 950: `link -dump -symbols  .libs/gstpub.o .libs/files.o .libs/gst-parse.o .libs/lex.o .libs/str.o .libs/tree.o .libs/byte.o .libs/comp.o .libs/sym.o .libs/dict.o .libs/oop.o .libs/opt.o .libs/save.o .libs/cint.o .libs/heap.o .libs/input.o .libs/sysdep.o .libs/callin.o .libs/xlat.o .libs/mpz.o .libs/print.o .libs/alloc.o .libs/security.o .libs/re.o .libs/interp.o .libs/real.o .libs/sockets.o .libs/events.o   ../lib-src/.libs/library.a ../libffi/.libs/libffi.a ../snprintfv/snprintfv/.libs/libsnprintfvc.a |  | /arch/x86_64-linux/gnu/bin/sed 's/.* //' | sort | uniq > .libs/libgst.exp'
make[3]: *** [libgst.la] Fehler 1
make[3]: quittant le répertoire « /data/bruno/build/smalltalk-3.2/libgst »
make[2]: *** [all] Fehler 2
make[2]: quittant le répertoire « /data/bruno/build/smalltalk-3.2/libgst »
make[1]: *** [all-recursive] Fehler 1
make[1]: quittant le répertoire « /data/bruno/build/smalltalk-3.2 »
make: *** [all] Fehler 2

The only particular thing about this system is that I have a recent version
of GNU coreutils installed, leading to
  $ which link
  /arch/x86-linux/gnu/bin/link
  $ LC_ALL=C link --version | head -n 1
  link (GNU coreutils) 8.4

The designated (generated) libtool script in the top-level directory
has the following settings at the top:


-------------------------------------------------------------------------------

# The names of the tagged configurations supported by this script.
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# ### BEGIN LIBTOOL CONFIG

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# What type of objects to build.
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host=i686-pc-linux-gnu
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# The build system.
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build=x86_64-unknown-linux-gnu
build_os=linux-gnu

# A sed program that does not truncate output.
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# A grep program that handles long lines.
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# turn newlines into spaces.
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# Transform the output of nm in a C name address pair when lib prefix is needed.
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# The linker used to build libraries.
LD="/usr/x86_64-suse-linux/bin/ld"

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archive_expsym_cmds="echo \\\"{ global:\\\" > \$output_objdir/\$libname.ver~
            cat \$export_symbols | sed -e \\\"s/\\\\(.*\\\\)/\\\\1;/\\\" >> \$output_objdir/\$libname.ver~
            echo \\\"local: *; };\\\" >> \$output_objdir/\$libname.ver~
            \$CC -shared \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname \${wl}-version-script \${wl}\$output_objdir/\$libname.ver -o \$lib"

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-------------------------------------------------------------------------------

There are two problems here:

1) NM has been set to "link -dump -symbols". This is wrong. This setting should
   only be valid when the --host platform is win32 and the build platform is
   not cygwin. I have an /usr/bin/nm program in $PATH, that works fine for
   both 32-bit and 64-bit object files on my platform.
2) global_symbol_pipe has been set to empty.

When I google for
  "libtool eval" "link -dump -symbols"
I find dozens of reports of libtool errors that were due to the same
problem: NM being set to "link -dump -symbols" on platforms unrelated to win32
(Linux, MacOS, NetBSD etc.).

Bruno


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Hi Bruno,

On 3 May 2010, at 01:07, Bruno Haible wrote:
Thanks for the report.

> There are two problems here:
>
> 1) NM has been set to "link -dump -symbols". This is wrong. This setting should
>   only be valid when the --host platform is win32 and the build platform is
>   not cygwin. I have an /usr/bin/nm program in $PATH, that works fine for
>   both 32-bit and 64-bit object files on my platform.
> 2) global_symbol_pipe has been set to empty.


_LT_CMD_GLOBAL_SYMBOLS is the macro responsible for setting global_symbol_pipe, and by inspection of that code, it seems that the only way for it to be empty is if the internal test to ensure that it works fails.  Probably this is a symptom of the other problem.

LT_PATH_NM is the macro responsible for setting NM, although it doesn't run if NM has already been set.  Again, by inspection NM is only set to "link -dump -symbols" if the test for a working $NM fails... either because the flag combinations tried by the macro don't produce the expected output, or if NM itself is not set properly.  You can narrow this down by rerunning configure with NM set in the environment to the full path of the nm binary you would have expected libtool to chose.  If it still fails then the macro is not able to find the right flags to make that NM produce output that is useful, otherwise if it starts working then the macro is not finding the NM you set manually in your PATH (or a few other well known locations).

> When I google for
>  "libtool eval" "link -dump -symbols"
> I find dozens of reports of libtool errors that were due to the same
> problem: NM being set to "link -dump -symbols" on platforms unrelated to win32
> (Linux, MacOS, NetBSD etc.).

That seems like a good reason to fail early.  If LT_PATH_NM is unable to find a working nm binary when {,cross-}compiling for an MS target, then we should be causing configure to bail out with an error rather than wait for link-time errors on a badly chosen NM setting.  Although, I'm not sure yet whether NM="garbage" is a showstopper for libtool... probably libtool is still useful for linking libraries with no -export-symbols* flags even in this case. Comments?

Please let us know whether manual NM export works for you (and what value you used, and whether the nm binary you chose was along your command search PATH), so we can figure out where the error is.

Cheers,
--
Gary V. Vaughan ([hidden email])

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On 3 May 2010, at 10:30, Gary V. Vaughan wrote:
> If LT_PATH_NM is unable to find a working nm binary when {,cross-}compiling for an MS target

s/when/when NOT/

Cheers,
--
Gary V. Vaughan ([hidden email])

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