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config/kernel.in
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Fri Jan 28 22:06:49 2011 +0100 (2011-01-28)
changeset 2284 7ede374110e5
parent 1976 2d90ec981ba3
child 2484 d1a8c2ae7946
permissions -rw-r--r--
config: add an option not to remove the destination directory

In certain circumstances, removing the destination/installation directory
is a bad idea. For example, when the build environment is already taking
care of sanitising the build tree, and pre-installs stuff in there, it is
a very bad idea to remove the destination directory.

This happens now in buildroot, as the crostool-NG backend now installs the
toolchain in the common host-tools directory, and pre-install there a few
host-utilities (eg. host-automake and host-gawk).

Provide a config knob to turn on/off the removal of the destination
directory, defaulting to 'y' (previous behavior), and forced to 'n' when
used as a backend.

Reported-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 # Kernel options

     2 

     3 menu "Operating System"

     4 

     5 # Config option used throughout the config and code to determine wether

     6 # we have a kernel or not (there might be different bare metal stuff)...

     7 config BARE_METAL

     8     bool

     9     default n

    10 

    11 config MINGW32

    12     bool

    13     default n

    14 

    15 # Each target OS (aka kernel) that support shared libraries can select

    16 # this, so the user can decide whether or not to build a shared library

    17 # enabled toolchain

    18 config KERNEL_SUPPORTS_SHARED_LIBS

    19     bool

    20     default n

    21 

    22 config KERNEL

    23     string

    24 

    25 config KERNEL_VERSION

    26     string

    27 

    28 source "config.gen/kernel.in"

    29 

    30 comment "Common kernel options"

    31 

    32 config SHARED_LIBS

    33     bool

    34     prompt "Build shared libraries"

    35     depends on KERNEL_SUPPORTS_SHARED_LIBS

    36     default y

    37     help

    38       Say 'y' here, unless you don't want shared libraries.

    39       

    40       You might not want shared libraries if you're building for a target that

    41       don't support it (maybe some nommu targets, for example, or bare metal).

    42 

    43 source "config.gen/kernel.in.2"

    44 

    45 endmenu
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