[ECOS] Error when building i386-elf-gcc.exe

["Aron" <b8744029 at stmail dot cgu dot edu dot tw>]

I don't know how to solve the problem:   anyone can help me please, thanks

 

make: Entering directory `/tmp/build/gcc'
make[1]: Entering directory `/tmp/build/gcc/libiberty'
make[2]: Entering directory `/tmp/build/gcc/libiberty/testsuite'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/tmp/build/gcc/libiberty/testsuite'
make[1]: Leaving directory `/tmp/build/gcc/libiberty'
make[1]: Entering directory `/tmp/build/gcc/texinfo'
make all-recursive
make[2]: Entering directory `/tmp/build/gcc/texinfo'
Making all in intl
make[3]: Entering directory `/tmp/build/gcc/texinfo/intl'
make[3]: Nothing to be done for `all'.
make[3]: Leaving directory `/tmp/build/gcc/texinfo/intl'
Making all in lib
make[3]: Entering directory `/tmp/build/gcc/texinfo/lib'
make[3]: Nothing to be done for `all'.
make[3]: Leaving directory `/tmp/build/gcc/texinfo/lib'
Making all in makeinfo
make[3]: Entering directory `/tmp/build/gcc/texinfo/makeinfo'
make[3]: Nothing to be done for `all'.
make[3]: Leaving directory `/tmp/build/gcc/texinfo/makeinfo'
make[2]: Leaving directory `/tmp/build/gcc/texinfo'
make[1]: Leaving directory `/tmp/build/gcc/texinfo'
make[1]: Entering directory `/tmp/build/gcc/gcc'
cd /src/gcc/gcc-2.95.2/gcc && autoheader
autoheader: not found
make[1]: *** [/src/gcc/gcc-2.95.2/gcc/cstamp-h.in] Error 127
make[1]: Leaving directory `/tmp/build/gcc/gcc'
make: *** [all-gcc] Error 2
make: Leaving directory `/tmp/build/gcc'