bootstrap broken: nan() does not match prototype

[Andreas Tobler]

Gerald Pfeifer wrote:

> i386-unknown-freebsd4.8 fails to bootstrap due to a problem with nan():
> 
> /bin/sh ../libtool --tag CC --mode=compile /files/pfeifer/OBJ-0123-1028/gcc/xgcc -B/files/pfeifer/OBJ-0123-1028/gcc/ -B/sw/gcc-current/i386-unknown-freebsd4.8/bin/ -B/sw/gcc-current/i386-unknown-freebsd4.8/lib/ -isystem /sw/gcc-current/i386-unknown-freebsd4.8/include -isystem /sw/gcc-current/i386-unknown-freebsd4.8/sys-include -DHAVE_CONFIG_H -I. -I/sw/test/gcc/cvs/libstdc++-v3/libmath -I..   -O2 -g -O2  -O2 -g -O2 -c -o nan.lo /sw/test/gcc/cvs/libstdc++-v3/libmath/nan.c
> /files/pfeifer/OBJ-0123-1028/gcc/xgcc -B/files/pfeifer/OBJ-0123-1028/gcc/ -B/sw/gcc-current/i386-unknown-freebsd4.8/bin/ -B/sw/gcc-current/i386-unknown-freebsd4.8/lib/ -isystem /sw/gcc-current/i386-unknown-freebsd4.8/include -isystem /sw/gcc-current/i386-unknown-freebsd4.8/sys-include -DHAVE_CONFIG_H -I. -I/sw/test/gcc/cvs/libstdc++-v3/libmath -I.. -O2 -g -O2 -O2 -g -O2 -c /sw/test/gcc/cvs/libstdc++-v3/libmath/nan.c  -fPIC -DPIC -o .libs/nan.o
> /sw/test/gcc/cvs/libstdc++-v3/libmath/nan.c: In function `nan':
> /sw/test/gcc/cvs/libstdc++-v3/libmath/nan.c:36: error: number of arguments doesn't match prototype
> cc1: error: prototype declaration
> gmake[4]: *** [nan.lo] Error 1
> gmake[4]: Leaving directory `/files/pfeifer/OBJ-0123-1028/i386-unknown-freebsd4.8/libstdc++-v3/libmath'
> gmake[3]: *** [all-recursive] Error 1
> 
> libstdc++-v3/libmath/nan.c used the signature
>   double nan ()
> whereas gcc/builtins.def has
>   BT_FN_DOUBLE_CONST_STRING


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13814

Gruss
Andreas