zephyr/cmake/toolchain-xtools.cmake
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

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CMake

set_ifndef(XTOOLS_TOOLCHAIN_PATH $ENV{XTOOLS_TOOLCHAIN_PATH})
set( XTOOLS_TOOLCHAIN_PATH ${XTOOLS_TOOLCHAIN_PATH} CACHE PATH "")
assert( XTOOLS_TOOLCHAIN_PATH "XTOOLS_TOOLCHAIN_PATH is not set")
set(TOOLCHAIN_HOME ${XTOOLS_TOOLCHAIN_PATH})
set(COMPILER gcc)
set(CROSS_COMPILE_TARGET_arm arm-none-eabi)
set(CROSS_COMPILE_TARGET_x86 i586-zephyr-elfiamcu)
set(CROSS_COMPILE_TARGET ${CROSS_COMPILE_TARGET_${ARCH}})
set(SYSROOT_TARGET ${CROSS_COMPILE_TARGET})
set(CROSS_COMPILE ${TOOLCHAIN_HOME}/${CROSS_COMPILE_TARGET}/bin/${CROSS_COMPILE_TARGET}-)
set(SYSROOT_DIR ${TOOLCHAIN_HOME}/${SYSROOT_TARGET})