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Diffstat (limited to 'docs/overview.txt')
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diff --git a/docs/overview.txt b/docs/overview.txt index 9b30589..1f936c2 100644 --- a/docs/overview.txt +++ b/docs/overview.txt @@ -165,6 +165,22 @@ CT_BROKEN: brave enough, you can try and debug them. They are hidden behind CT_BROKEN, which itself is hiddent behind EXPERIMENTAL. +Re-building an existing toolchain | +----------------------------------+ + +If you have an existing toolchain, you can re-use the options used to build it +to create a new toolchain. That needs a very little bit of effort on your side +but is quite easy. The options to build a toolchain are saved in the build log +file that is saved within the toolchain. crosstool-NG can extract those options +to recreate a new configuration: + ct-ng extractconfig </path/to/your/build.log + +will extract those options, prompt you for the new ones, which you can later +edit with menuconfig. + +Of course, if your build log was compressed, you'd have to use something like: + bzcat /path/to/your/build.log.bz2 |ct-ng extractconfig + ________________________ / Running crosstool-NG / |