[Bug bootstrap/19135] [4.0 Regression] build failure in libiberty multilibs

["hjl at lucon dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From hjl at lucon dot org  2004-12-23 19:30 -------
It looks like a libtool bug to me. There is

/bin/sh ./libtool --mode=link
/home/janis/build/gcc-mline/build-gcc-mline-20041222-hjl/gcc/xgcc
-B/home/janis/build/gcc-mline/build-gcc-mline-20041222-hjl/gcc/
-B/home/janis/tools/gcc-mline-20041222-hjl/powerpc64-linux/bin/
-B/home/janis/tools/gcc-mline-20041222-hjl/powerpc64-linux/lib/ -isystem
/home/janis/tools/gcc-mline-20041222-hjl/powerpc64-linux/include -isystem
/home/janis/tools/gcc-mline-20041222-hjl/powerpc64-linux/sys-include
-DHAVE_CONFIG_H -O2 -g -O2  -m64 -fPIC -mstrict-align  -W -Wall -Wtraditional
-pedantic -o ./libiberty.la -rpath /home/janis/tools/gcc-mline-20041222-hjl/lib \
  ./regex.lo ./cplus-dem.lo ./cp-demangle.lo ./md5.lo ./alloca.lo ./argv.lo
./choose-temp.lo ./concat.lo ./cp-demint.lo ./dyn-string.lo ./fdmatch.lo
./fibheap.lo ./floatformat.lo ./fnmatch.lo ./getopt.lo ./getopt1.lo ./getpwd.lo
./getruntime.lo ./hashtab.lo ./hex.lo ./lbasename.lo ./lrealpath.lo
./make-relative-prefix.lo ./make-temp-file.lo ./objalloc.lo ./obstack.lo
./partition.lo ./physmem.lo ./pex-unix.lo ./safe-ctype.lo ./sort.lo ./spaces.lo
./splay-tree.lo ./strerror.lo ./strsignal.lo ./ternary.lo ./xatexit.lo
./xexit.lo ./xmalloc.lo ./xmemdup.lo ./xstrdup.lo ./xstrerror.lo  ./mkstemps.lo; \

For some reason, libtool decides not to pass -m64 to gcc. How does it work
for libstdc++?

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19135