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############################################################
# some preparations so that the CMakeDetermineXXX.cmake files will work in scripted mode
# overwrite mark_as_advanced(), since this is used in CMakeDetermineCCompiler.cmake
# which will complain that it can"t be used in script mode
macro(MARK_AS_ADVANCED)
endmacro()
# set this to a place where we are allowed to write
set(CMAKE_PLATFORM_INFO_DIR "${CMAKE_CURRENT_BINARY_DIR}")
# don't run the compiler detection
set(CMAKE_C_COMPILER_ID_RUN 1)
set(CMAKE_CXX_COMPILER_ID_RUN 1)
set(MY_SOURCE_DIR "@CMAKE_CURRENT_SOURCE_DIR@")
# at first load CMakeDetermineSystem.cmake without toolchain file
set(CMAKE_TOOLCHAIN_FILE)
include(CMakeDetermineSystem)
# check that CMAKE_SYSTEM_XXX and CMAKE_HOST_SYSTEM_xxx are identical
if(NOT "${CMAKE_SYSTEM_NAME}" STREQUAL "${CMAKE_HOST_SYSTEM_NAME}")
message(FATAL_ERROR "CMAKE_SYSTEM_NAME and CMAKE_HOST_SYSTEM_NAME not identical: \"${CMAKE_SYSTEM_NAME}\" vs. \"${CMAKE_HOST_SYSTEM_NAME}\"")
endif()
if(NOT "${CMAKE_SYSTEM}" STREQUAL "${CMAKE_HOST_SYSTEM}")
message(FATAL_ERROR "CMAKE_SYSTEM and CMAKE_HOST_SYSTEM not identical: \"${CMAKE_SYSTEM}\" vs. \"${CMAKE_HOST_SYSTEM}\"")
endif()
if(NOT "${CMAKE_SYSTEM_VERSION}" STREQUAL "${CMAKE_HOST_SYSTEM_VERSION}")
message(FATAL_ERROR "CMAKE_SYSTEM_VERSION and CMAKE_HOST_SYSTEM_VERSION not identical: \"${CMAKE_SYSTEM_VERSION}\" vs. \"${CMAKE_HOST_SYSTEM_VERSION}\"")
endif()
if(NOT "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "${CMAKE_HOST_SYSTEM_PROCESSOR}")
message(FATAL_ERROR "CMAKE_SYSTEM_PROCESSOR and CMAKE_HOST_SYSTEM_PROCESSOR not identical: \"${CMAKE_SYSTEM_PROCESSOR}\" vs. \"${CMAKE_HOST_SYSTEM_PROCESSOR}\"")
endif()
# save the values so we can compare them to CMAKE_HOST_SYSTEM_XXX in the toolchain case
set(NATIVE_SYSTEM "${CMAKE_SYSTEM}")
set(NATIVE_SYSTEM_NAME "${CMAKE_SYSTEM_NAME}")
set(NATIVE_SYSTEM_VERSION "${CMAKE_SYSTEM_VERSION}")
set(NATIVE_SYSTEM_PROCESSOR "${CMAKE_SYSTEM_PROCESSOR}")
# reset them so they will be detected again now
set(CMAKE_SYSTEM)
set(CMAKE_SYSTEM_NAME)
set(CMAKE_SYSTEM_VERSION)
set(CMAKE_SYSTEM_PROCESSOR)
set(CMAKE_HOST_SYSTEM)
set(CMAKE_HOST_SYSTEM_VERSION)
set(CMAKE_HOST_SYSTEM_PROCESSOR)
############################################################
# now define a toolchain file and check that everything is
# detected correctly and nothing predefined is overwritten
set(CMAKE_TOOLCHAIN_FILE "${MY_SOURCE_DIR}/DummyToolchain.cmake")
include(CMakeDetermineSystem)
# make cmake think we are cross compiling for test to work
set(CMAKE_CROSSCOMPILING TRUE)
set(CMAKE_C_COMPILER_ID "GNU")
include(CMakeDetermineCCompiler)
include(CMakeDetermineCXXCompiler)
#############################################################
# check the results from DetermineSystem
if(NOT "${CMAKE_SYSTEM_NAME}" STREQUAL "Dumdidum")
message(FATAL_ERROR "CMAKE_SYSTEM_NAME overwritten: \"${CMAKE_SYSTEM_NAME}\", was: \"Dumdidum\"")
endif()
if(NOT "${CMAKE_SYSTEM}" STREQUAL "Dumdidum-1.0")
message(FATAL_ERROR "CMAKE_SYSTEM wrong: \"${CMAKE_SYSTEM}\", expected: \"Dumdidum-1.0\"")
endif()
set(fileOne "${_INCLUDED_TOOLCHAIN_FILE}")
set(fileTwo "${MY_SOURCE_DIR}/DummyToolchain.cmake")
if(WIN32)
string(TOLOWER "${fileOne}" fileOne)
string(TOLOWER "${fileTwo}" fileTwo)
endif()
if(NOT "${fileOne}" STREQUAL "${fileTwo}")
message(FATAL_ERROR "Wrong toolchain was loaded: \"${fileOne}\" expected \"${fileTwo}\"")
endif()
# check that CMAKE_HOST_SYSTEM_XXX and _SYSTEM_xxx detected above are identical
if(NOT "${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "${NATIVE_SYSTEM_NAME}")
message(FATAL_ERROR "CMAKE_HOST_SYSTEM_NAME and NATIVE_SYSTEM_NAME not identical: \"${CMAKE_HOST_SYSTEM_NAME}\" vs. \"${NATIVE_SYSTEM_NAME}\"")
endif()
if(NOT "${CMAKE_HOST_SYSTEM}" STREQUAL "${NATIVE_SYSTEM}")
message(FATAL_ERROR "CMAKE_HOST_SYSTEM and NATIVE_SYSTEM not identical: \"${CMAKE_HOST_SYSTEM}\" vs. \"${NATIVE_SYSTEM}\"")
endif()
if(NOT "${CMAKE_HOST_SYSTEM_VERSION}" STREQUAL "${NATIVE_SYSTEM_VERSION}")
message(FATAL_ERROR "CMAKE_HOST_SYSTEM_VERSION and NATIVE_SYSTEM_VERSION not identical: \"${CMAKE_HOST_SYSTEM_VERSION}\" vs. \"${NATIVE_SYSTEM_VERSION}\"")
endif()
if(NOT "${CMAKE_HOST_SYSTEM_PROCESSOR}" STREQUAL "${NATIVE_SYSTEM_PROCESSOR}")
message(FATAL_ERROR "CMAKE_HOST_SYSTEM_PROCESSOR and NATIVE_SYSTEM_PROCESSOR not identical: \"${CMAKE_HOST_SYSTEM_PROCESSOR}\" vs. \"${NATIVE_SYSTEM_PROCESSOR}\"")
endif()
#############################################################
# check the results from DetermineCCompiler
if(NOT "${_CMAKE_TOOLCHAIN_PREFIX}" STREQUAL "arm-elf-")
message(FATAL_ERROR "wrong toolchain prefix detected: \"${_CMAKE_TOOLCHAIN_PREFIX}\", expected: \"arm-elf-\"")
endif()
if(NOT "${_CMAKE_USER_C_COMPILER_PATH}" STREQUAL "/opt/foo/bin")
message(FATAL_ERROR "wrong C compiler location detected: \"${_CMAKE_USER_C_COMPILER_PATH}\", expected: \"/opt/foo/bin\"")
endif()
if(NOT "${CMAKE_C_OUTPUT_EXTENSION}" STREQUAL ".foo")
message(FATAL_ERROR "C output extension overwritten: \"${CMAKE_C_OUTPUT_EXTENSION}\", was: \".foo\"")
endif()
#############################################################
# check the results from DetermineCXXCompiler
if(NOT "${_CMAKE_USER_CXX_COMPILER_PATH}" STREQUAL "/opt/bar/bin")
message(FATAL_ERROR "wrong CXX compiler location detected: \"${_CMAKE_USER_CXX_COMPILER_PATH}\", expected: \"/opt/bar/bin\"")
endif()
if(NOT "${CMAKE_CXX_OUTPUT_EXTENSION}" STREQUAL ".bar")
message(FATAL_ERROR "C output extension overwritten: \"${CMAKE_CXX_OUTPUT_EXTENSION}\", was: \".bar\"")
endif()
message(STATUS "CMAKE_SYSTEM: \"${CMAKE_SYSTEM}\"")
message(STATUS "_CMAKE_TOOLCHAIN_PREFIX: \"${_CMAKE_TOOLCHAIN_PREFIX}\"")
message(STATUS "_CMAKE_USER_C_COMPILER_PATH: \"${_CMAKE_USER_C_COMPILER_PATH}\"")
message(STATUS "_CMAKE_USER_CXX_COMPILER_PATH: \"${_CMAKE_USER_CXX_COMPILER_PATH}\"")
message(STATUS "CMAKE_C_OUTPUT_EXTENSION: \"${CMAKE_C_OUTPUT_EXTENSION}\"")
message(STATUS "CMAKE_CXX_OUTPUT_EXTENSION: \"${CMAKE_CXX_OUTPUT_EXTENSION}\"")
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