Couldn't build libstdc++ (configure fails)

[Maurizio Loreti]

Well, I started a little bit before your mail compiling libstdc++ 2.91
against the last gcc snapshot gcc-20001127.tar.gz .  I have passed stage2
and stage3, and the executables compare OK.

*BUT* building the libraries I get now:

/home/loreti/tmp/objdir/gcc/xgcc -B/home/loreti/tmp/objdir/gcc/
-B/usr/local/gcc/i686-pc-linux-gnu/bin/
-B/usr/local/gcc/i686-pc-linux-gnu/lib/ -isystem
/usr/local/gcc/i686-pc-linux-gnu/include -DHAVE_CONFIG_H -I.
-I../../../../gcc-20001127/libstdc++-v3/libmath -I..
-I../../../../gcc-20001127/libstdc++-v3/include -I../include -g -O2 -c
../../../../gcc-20001127/libstdc++-v3/libmath/c_logl.c  -fPIC -DPIC -o
.libs/c_logl.o
/usr/include/bits/mathdef.h:27: redefinition of `float_t'
/usr/include/bits/mathdef.h:27: `float_t' previously declared here
/usr/include/bits/mathdef.h:29: redefinition of `double_t'
/usr/include/bits/mathdef.h:29: `double_t' previously declared here
make[4]: *** [c_logl.lo] Error 1
make[4]: Leaving directory
`/home/loreti/tmp/objdir/i686-pc-linux-gnu/libstdc++-v3/libmath'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory
`/home/loreti/tmp/objdir/i686-pc-linux-gnu/libstdc++-v3'
make[2]: *** [all-recursive-am] Error 2
make[2]: Leaving directory
`/home/loreti/tmp/objdir/i686-pc-linux-gnu/libstdc++-v3'
make[1]: *** [all-target-libstdc++-v3] Error 2
make[1]: Leaving directory `/home/loreti/tmp/objdir'
make: *** [bootstrap] Error 2

Any hint?

-- 
Maurizio Loreti                         http://www.pd.infn.it/~loreti/mlo.html
Univ. of Padova, Dept. of Physics - Padova, Italy            loreti@pd.infn.it

Murphy's law: "Anything that can go wr
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