# C library options

 config LIBC

     string

     default "none" if BARE_METAL

 if ! BARE_METAL

 menu "C-library"

 config LIBC_VERSION

     string

     help

       Enter the date of the snapshot you want to use in the form: YYYYMMDD

       where YYYY is the 4-digit year, MM the 2-digit month and DD the 2-digit

       day in the month.

       Please note:

       - glibc has snapshots done every monday, and only the last ten are kept.

       - uClibc has daily snapshots, and only the last 30-or-so are kept.

       So if you want to be able to re-build your toolchain later, you will

       have to save your C library tarball by yourself.

 source config.gen/libc.in

 comment "Common C library options"

 config LIBC_SUPPORT_NPTL

     bool

     default n

 config LIBC_SUPPORT_LINUXTHREADS

     bool

     default n

 config THREADS

     string

     default "nptl"          if THREADS_NPTL

     default "linuxthreads"  if THREADS_LINUXTHREADS

     default "none"          if THREADS_NONE

 choice

     bool

     prompt "Threading implementation to use:"

     default THREADS_NPTL           if LIBC_SUPPORT_NPTL

     default THREADS_LINUXTHREADS   if LIBC_SUPPORT_LINUXTHREADS && ! LIBC_SUPPORT_NPTL

     default THREADS_NONE           if ! LIBC_SUPPORT_LINUXTHREADS && ! LIBC_SUPPORT_NPTL

 config THREADS_NPTL

     bool

     prompt "nptl"

     depends on LIBC_SUPPORT_NPTL

 config THREADS_LINUXTHREADS

     bool

     prompt "linuxthreads"

     depends on LIBC_SUPPORT_LINUXTHREADS

 config THREADS_NONE

     bool

     prompt "none"

 endchoice

 endmenu

 endif # ! BARE_METAL