Commit Graph

9 Commits

Author SHA1 Message Date
Mark Ruvald Pedersen 0efad5f7fd cmake: Whitespace and commentary fixes
Cosmetics, no functional change expected.
Fixed leading space alignment.
Replaced tabs with spaces.
Emulation error message output is now aligned.

To locate tabs in cmake, the following bash is useful:
grep -PRil "\t" * | grep -i cmake | grep -v ^sanity

Signed-off-by: Mark Ruvald Pedersen <mped@oticon.com>
2018-12-20 12:23:50 +01:00
Sebastian Bøe d6de4c7a99 cmake: Fall back to ZEPHYR_BASE when the board is not in BOARD_ROOT
It is very inconvenient to maintain an application that both runs on a
Zephyr board and an out-of-tree board.

It forces one to write build scripts like this in the app:

if(BOARD STREQUAL my_out_of_tree_board)
  set(BOARD_ROOT some/out/of/tree/board/path)
endif()

To avoid this we change the semantics of BOARD_ROOT. Instead of it
being a path to the board root it is now a prioritized list of board
root directories. Zephyr will append ZEPHYR_BASE to BOARD_ROOT.

This ensures that Zephyr boards can be used when the out-of-tree board
directory can not supply the requested board.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
2018-10-01 09:46:46 -04:00
Ulf Magnusson 890a5a5aa1 kconfig: Remove targets specific to the C implementation
They will no longer be available once the C Kconfig implementation is
removed.

oldconfig and allno/yesconfig implementations are available for
kconfiglib and could be added later if needed. savedefconfig (minimal
configuration generation) is available from the menuconfig.py
configuration interface.

cmake/usage/kconfig-usage.cmake becomes kinda pointless after this
change, so merge it into cmake/usage/usage.cmake.

Remove the kconfig_target, COMMAND_FOR_*, and COMMAND_RUNS_ON_WIN_*
CMake variables, as there's just the 'menuconfig' target now.

Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
2018-05-07 21:53:37 +02:00
Ulf Magnusson 73549ad852 scripts: kconfig: Add a Python menuconfig implementation
This commit adds a Kconfiglib-based menuconfig implementation, built
with the standard Python 'curses' module. A new 'pymenuconfig' target is
added to run it.

The C tools are kept for now. Removing them separately allows testing of
pymenuconfig alongside the C tools, and keeps changes small and focused.

A feature is planned for later that shows all symbols -- including those
that aren't currently visible -- along with a search and "jump to"
feature. Loading of arbitrary .config files will be supported later as
well (as opposed to always loading .config/KCONFIG_CONFIG). Those
features are all connected implementation-wise.

For Windows, the wheels at
https://www.lfd.uci.edu/~gohlke/pythonlibs/#curses provide the curses
implementation. They use the standard Python curses module
(_cursesmodule.c), linked against PDCurses.

Running 'python -VV' gives the Python version and bitness, to know which
wheel to install. User documentation will be added once the C tools are
removed and the 'pymenuconfig' target is moved over to 'menuconfig'.

The CMake parts are originally by Sebastian Bøe.

Description, taken from the menuconfig.py docstring:

    Overview
    ========

    A curses-based menuconfig implementation. The interface should feel
    familiar to people used to mconf ('make menuconfig').

    Supports the same keys as mconf, and also supports a set of
    keybindings inspired by Vi:

      J/K     : Down/Up
      L       : Enter menu/Toggle item
      H       : Leave menu
      Ctrl-D/U: Page Down/Page Down
      G/End   : Jump to end of list
      g/Home  : Jump to beginning of list

    The mconf feature where pressing a key jumps to a menu entry with
    that character in it in the current menu isn't supported. A search
    feature with a "jump to" function for jumping directly to a
    particular symbol regardless of where it is defined will be added
    later instead.

    Space and Enter are "smart" and try to do what you'd expect for the
    given menu entry.

    Running
    =======

    menuconfig.py can be run either as a standalone executable or by
    calling the menu.menuconfig() function with an existing Kconfig
    instance. The second option is a bit inflexible in that it will
    still load and save .config, etc.

    When run in standalone mode, the top-level Kconfig file to load can
    be passed as a command-line argument. With no argument, it defaults
    to "Kconfig".

    The KCONFIG_CONFIG environment variable specifies the .config file
    to load (if it exists) and save. If KCONFIG_CONFIG is unset,
    ".config" is used.

    $srctree is supported through Kconfiglib.

    Other features
    ==============

      - Seamless terminal resizing

      - No dependencies on *nix, as the 'curses' module is in the Python
        standard library

      - Unicode text entry

      - Improved information screen compared to mconf:

          * Expressions are split up by their top-level &&/|| operands
            to improve readability

          * Undefined symbols in expressions are pointed out

          * Menus and comments have information displays

          * Kconfig definitions are printed

    Limitations
    ===========

      - Python 3 only

        This is mostly due to Python 2 not having curses.get_wch(),
        which is needed for Unicode support.

      - Doesn't work out of the box on Windows

        Has been tested to work with the wheels provided at
        https://www.lfd.uci.edu/~gohlke/pythonlibs/#curses though.

Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
2018-05-01 20:51:11 +02:00
Håkon Øye Amundsen 6779d3f356 cmake: Fix printed list of supported boards.
Fixes issue #7184.

Use $BOARD_ROOT to find correct list of supported boards.
This is needed since the user can set this variable to any directory.
Pass $BOARD_ROOT to usage.cmake where it is called.

Signed-off-by: Håkon Øye Amundsen <haakon.amundsen@nordicsemi.no>
2018-04-25 17:36:58 +05:30
Sebastian Bøe 690bea3a3c cmake: Fix "make usage" regression from the ZEPHYR_BASE change
$ENV{ZEPHYR_BASE} was recently search-replaced with ${ZEPHYR_BASE},
but some CMake code, like usage.cmake, is run by a seperate CMake
build system that does not have access to the CMake variable
ZEPHYR_BASE.

This patch reverts the usage of ${ZEPHYR_BASE} back to use
$ENV{ZEPHYR_BASE} in usage.cmake.

This has been proven to work on both Windows and Linux.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
2018-01-18 10:44:19 -05:00
Carles Cufi 7d764b35f3 cmake: Use path-corrected version of ZEPHYR_BASE
Instead of accessing the environment variable ZEPHYR_BASE every time we
require accessing the source code root, use an intermediate variable
that has OS path separators correctly set to '/' to avoid issues on
Windows.

Note: This removes the ZEPHYR_SOURCE_DIR CMake variable. External
applications using that will need to change to use the new ZEPHYR_BASE
variable.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
2018-01-11 14:59:03 -05:00
Sebastian Bøe 4b77b4ad92 cmake: usage: Added posix to list of arch's with boards
Added posix to the list of arch's with boards. Usage will now show
native_posix as one of the available boards.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
2017-12-28 11:24:21 -05:00
Sebastian Bøe 12f8f76165 Introduce cmake-based rewrite of KBuild
Introducing CMake is an important step in a larger effort to make
Zephyr easy to use for application developers working on different
platforms with different development environment needs.

Simplified, this change retains Kconfig as-is, and replaces all
Makefiles with CMakeLists.txt. The DSL-like Make language that KBuild
offers is replaced by a set of CMake extentions. These extentions have
either provided simple one-to-one translations of KBuild features or
introduced new concepts that replace KBuild concepts.

This is a breaking change for existing test infrastructure and build
scripts that are maintained out-of-tree. But for FW itself, no porting
should be necessary.

For users that just want to continue their work with minimal
disruption the following should suffice:

Install CMake 3.8.2+

Port any out-of-tree Makefiles to CMake.

Learn the absolute minimum about the new command line interface:

$ cd samples/hello_world
$ mkdir build && cd build
$ cmake -DBOARD=nrf52_pca10040 ..

$ cd build
$ make

PR: zephyrproject-rtos#4692
docs: http://docs.zephyrproject.org/getting_started/getting_started.html

Signed-off-by: Sebastian Boe <sebastian.boe@nordicsemi.no>
2017-11-08 20:00:22 -05:00