86 lines
2.9 KiB
CMake
86 lines
2.9 KiB
CMake
set(CMAKE_SYSTEM_NAME Generic)
|
|
set(CMAKE_SYSTEM_PROCESSOR ${ARCH})
|
|
|
|
set(BUILD_SHARED_LIBS OFF)
|
|
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
|
|
|
|
if(NOT TOOLCHAIN_ROOT)
|
|
if(DEFINED ENV{TOOLCHAIN_ROOT})
|
|
# Support for out-of-tree toolchain
|
|
set(TOOLCHAIN_ROOT $ENV{TOOLCHAIN_ROOT})
|
|
else()
|
|
# Default toolchain cmake file
|
|
set(TOOLCHAIN_ROOT ${ZEPHYR_BASE})
|
|
endif()
|
|
endif()
|
|
|
|
# Don't inherit compiler flags from the environment
|
|
foreach(var CFLAGS CXXFLAGS)
|
|
if(DEFINED ENV{${var}})
|
|
message(WARNING "The environment variable '${var}' was set to $ENV{${var}},
|
|
but Zephyr ignores flags from the environment. Use 'cmake -DEXTRA_${var}=$ENV{${var}}' instead.")
|
|
unset(ENV{${var}})
|
|
endif()
|
|
endforeach()
|
|
|
|
# Until we completely deprecate it
|
|
if(NOT DEFINED ENV{ZEPHYR_TOOLCHAIN_VARIANT})
|
|
if(DEFINED ENV{ZEPHYR_GCC_VARIANT})
|
|
message(WARNING "ZEPHYR_GCC_VARIANT is deprecated, please use ZEPHYR_TOOLCHAIN_VARIANT instead")
|
|
set(ZEPHYR_TOOLCHAIN_VARIANT $ENV{ZEPHYR_GCC_VARIANT})
|
|
endif()
|
|
endif()
|
|
|
|
if(NOT ZEPHYR_TOOLCHAIN_VARIANT)
|
|
if(DEFINED ENV{ZEPHYR_TOOLCHAIN_VARIANT})
|
|
set(ZEPHYR_TOOLCHAIN_VARIANT $ENV{ZEPHYR_TOOLCHAIN_VARIANT})
|
|
elseif(CROSS_COMPILE OR CONFIG_CROSS_COMPILE OR (DEFINED ENV{CROSS_COMPILE}))
|
|
set(ZEPHYR_TOOLCHAIN_VARIANT cross-compile)
|
|
endif()
|
|
endif()
|
|
|
|
# Until we completely deprecate it
|
|
if("${ZEPHYR_TOOLCHAIN_VARIANT}" STREQUAL "gccarmemb")
|
|
message(WARNING "gccarmemb is deprecated, please use gnuarmemb instead")
|
|
set(ZEPHYR_TOOLCHAIN_VARIANT "gnuarmemb")
|
|
endif()
|
|
|
|
|
|
set(TOOLCHAIN_ROOT ${TOOLCHAIN_ROOT} CACHE STRING "Zephyr toolchain root")
|
|
assert(TOOLCHAIN_ROOT "Zephyr toolchain root path invalid: please set the TOOLCHAIN_ROOT-variable")
|
|
|
|
set(ZEPHYR_TOOLCHAIN_VARIANT ${ZEPHYR_TOOLCHAIN_VARIANT} CACHE STRING "Zephyr toolchain variant")
|
|
assert(ZEPHYR_TOOLCHAIN_VARIANT "Zephyr toolchain variant invalid: please set the ZEPHYR_TOOLCHAIN_VARIANT-variable")
|
|
|
|
if(CONFIG_ARCH_POSIX OR (ZEPHYR_TOOLCHAIN_VARIANT STREQUAL "host"))
|
|
set(COMPILER host-gcc)
|
|
endif()
|
|
|
|
|
|
# Configure the toolchain based on what SDK/toolchain is in use.
|
|
if(NOT (COMPILER STREQUAL "host-gcc"))
|
|
include(${TOOLCHAIN_ROOT}/cmake/toolchain/${ZEPHYR_TOOLCHAIN_VARIANT}.cmake)
|
|
endif()
|
|
|
|
# Configure the toolchain based on what toolchain technology is used
|
|
# (gcc, host-gcc etc.)
|
|
include(${ZEPHYR_BASE}/cmake/compiler/${COMPILER}.cmake OPTIONAL)
|
|
|
|
# Uniquely identify the toolchain wrt. it's capabilities.
|
|
#
|
|
# What we are looking for, is a signature definition that is defined
|
|
# like this:
|
|
|
|
# Toolchains with the same signature will always support the same set
|
|
# of flags.
|
|
|
|
# It is not clear how this signature should be constructed. The
|
|
# strategy chosen is to md5sum the CC binary.
|
|
|
|
file(MD5 ${CMAKE_C_COMPILER} CMAKE_C_COMPILER_MD5_SUM)
|
|
set(TOOLCHAIN_SIGNATURE ${CMAKE_C_COMPILER_MD5_SUM})
|