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- // -*- mode:doc; -*-
- // vim: set syntax=asciidoc:
- [[make-tips]]
- === 'make' tips
- This is a collection of tips that help you make the most of Buildroot.
- .Configuration searches:
- The +make *config+ commands offer a search tool. Read the help message in
- the different frontend menus to know how to use it:
- * in _menuconfig_, the search tool is called by pressing +/+;
- * in _xconfig_, the search tool is called by pressing +Ctrl+ + +f+.
- The result of the search shows the help message of the matching items.
- .Display all commands executed by make:
- --------------------
- $ make V=1 <target>
- --------------------
- .Display all available targets:
- --------------------
- $ make help
- --------------------
- Not all targets are always available,
- some settings in the +.config+ file may hide some targets:
- * +busybox-menuconfig+ only works when +busybox+ is enabled;
- * +linux-menuconfig+ and +linux-savedefconfig+ only work when
- +linux+ is enabled;
- * +uclibc-menuconfig+ is only available when the uClibc C library is
- selected in the internal toolchain backend;
- * +barebox-menuconfig+ and +barebox-savedefconfig+ only work when the
- +barebox+ bootloader is enabled.
- .Cleaning:
- Explicit cleaning is required when any of the architecture or toolchain
- configuration options are changed.
- To delete all build products (including build directories, host, staging
- and target trees, the images and the toolchain):
- --------------------
- $ make clean
- --------------------
- .Generating the manual:
- The present manual sources are located in the 'docs/manual' directory.
- To generate the manual:
- ---------------------------------
- $ make manual-clean
- $ make manual
- ---------------------------------
- The manual outputs will be generated in 'output/docs/manual'.
- .Notes
- - A few tools are required to build the documentation (see:
- xref:requirement-optional[]).
- .Resetting Buildroot for a new target:
- To delete all build products as well as the configuration:
- --------------------
- $ make distclean
- --------------------
- .Notes
- If +ccache+ is enabled, running +make clean+ or +distclean+ does
- not empty the compiler cache used by Buildroot. To delete it, refer
- to xref:ccache[].
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