yann@808: # This file contains the common configuration options
yann@808: # that apply to both glibc and eglibc.
yann@808: #
yann@808: # Please note:
yann@808: # the symlink is a hack around the fact that mconf can not parse
yann@808: # the same file more than once, and errors out if it is the case.
yann@808: # If mconf is updated to accept multiple inclusion of the same
yann@808: # file, then the symlink can go (and the includers be updated).
yann@808: 
yann@808: config LIBC_GLIBC_EXTRA_CONFIG
yann@808:     string
yann@808:     prompt "extra config"
yann@808:     default ""
yann@808:     help
yann@808:       Extra flags to pass onto ./configure when configuring.
yann@808: 
yann@808:       Eg.: --enable-static-nss
yann@808: 
yann@808: config LIBC_GLIBC_EXTRA_CFLAGS
yann@808:     string
yann@808:     prompt "extra target CFLAGS"
yann@808:     default ""
yann@808:     help
yann@808:       Extra target CFLAGS to use when building.
yann@808: 
yann@808: config LIBC_EXTRA_CC_ARGS
yann@808:     string
yann@808:     prompt "gcc extra flags"
yann@808:     default ""
yann@808:     help
yann@808:       Extra flags to pass gcc when building.
yann@808: 
yann@808:       Seldom used, except for sparc64 which seems to need the flag -64
yann@808:       to be passed onto gcc.
yann@808: 
yann@808: config LIBC_GLIBC_USE_PORTS
yann@808:     bool
yann@808:     prompt "Use the ports addon"
yann@808:     default n
yann@808:     help
yann@808:       The ports addon contains some architecture ports that are not available
yann@808:       in the official distribution.
yann@808: 
yann@808:       For example, this is the case for ARM with for 2.4 and above.
yann@808: 
yann@808:       Say n only if you're sure that your architecture is in the official
yann@808:       distribution for your chosen version.
yann@808: 
yann@808: config LIBC_ADDONS
yann@808:     bool
yann@808:     prompt "Pass extra addons list"
yann@808:     default n
yann@808:     help
yann@808:       If you say Y here, you'll be able to give the list of addons you want to
yann@808:       include in your C library.
yann@808: 
yann@808: config LIBC_ADDONS_LIST
yann@808:     string
yann@808:     prompt "Extra addons"
yann@808:     default ""
yann@808:     depends on LIBC_ADDONS
yann@808:     help
yann@808:       Extra addons to include. Space separated list.
yann@808: 
yann@808:       You need to specify neither linuxthreads nor nptl, as they are added
yann@808:       automagically for you depending on the threading model you choosed
yann@808:       earlier.
yann@808: 
yann@808:       Eg.: crypt        (for very old libces)
yann@810: 
yann@810: config LIBC_GLIBC_USE_HEADERS_MIN_KERNEL
yann@810:     bool
yann@810:     prompt "Use headers version for minimum kernel version supported"
yann@810:     default y
yann@810:     help
yann@810:       If enabled, crosstool-ng will use the chosen version of kernel
yann@810:       headers for the glibc minimum kernel version supported, which is
yann@810:       what gets passed to "--enable-kernel=" when configuring glibc.
yann@810: 
yann@810:       Enabling this will ensure that no legacy compatibility code for
yann@810:       older kernels is built into your C libraries, but it will
yann@810:       be unable to run on kernel versions older than whichever kernel
yann@810:       headers version you've built the toolchain for.
yann@810: 
yann@810:       If you know for sure that your toolchain will never need to build
yann@810:       applications that will run under a kernel version older than your
yann@810:       chosen kernel headers version (CT_KERNEL_VERSION), you can choose
yann@810:       "y" here.
yann@810: 
yann@810: config LIBC_GLIBC_MIN_KERNEL_CHOSEN
yann@810:     string
yann@810:     prompt "Minimum kernel version supported"
yann@810:     default "2.6.9"
yann@810:     depends on ! LIBC_GLIBC_USE_HEADERS_MIN_KERNEL
yann@810:     help
yann@810:       Specify the earliest Linux kernel version you want glibc to
yann@810:       include support for.  This does not have to match the kernel
yann@810:       headers version used for your toolchain.  This controls what is
yann@810:       passed to the "--enable-kernel=" option to the glibc configure
yann@810:       script.
yann@810: 
yann@810:       If you want to be able to statically link programs with your
yann@810:       toolchain's C library, make sure this kernel version is lower than
yann@810:       all kernels you wish to support to avoid "FATAL: kernel too old"
yann@810:       errors.  The higher the version you specify, the less legacy code
yann@810:       will be built into libc.
yann@810: 
yann@810:       Most people can leave this at the default value of "2.6.9".
yann@810: 
yann@810: config LIBC_GLIBC_MIN_KERNEL
yann@810:     string
yann@810:     default KERNEL_VERSION if LIBC_GLIBC_USE_HEADERS_MIN_KERNEL
yann@810:     default LIBC_GLIBC_MIN_KERNEL_CHOSEN if ! LIBC_GLIBC_USE_HEADERS_MIN_KERNEL