compile glibc error.

superlinuxer

sscanf.c:31: warning: conflicting types for built-in function `sscanf'
sscanf.c: In function `sscanf':
sscanf.c:37: error: `va_start' used in function with fixed args
../stdio-common/_itoa.h: At top level:
../stdio-common/_itoa.h:40: warning: inlining failed in call to `_itoa_word'
../stdio-common/_itoa.h:76: warning: called from here
make[2]: *** [/mnt/lfs/sources/glibc-build/stdio-common/sscanf.o] Error 1
make[2]: Leaving directory `/mnt/lfs/sources/glibc-2.3.2/stdio-common'
make[1]: *** [stdio-common/subdir_lib] Error 2
make[1]: Leaving directory `/mnt/lfs/sources/glibc-2.3.2'
make: *** [all] Error 2


Does anyone know how to solve it?