Build: Cmake build system
-- Cmake based build system
-- Only armclang supported currently
Change-Id: I162357439bb1c871cba3a1c614822ef0b7a73e89
Signed-off-by: Abhishek Pandit <abhishek.pandit@arm.com>
diff --git a/cmake/Common/CompilerArmClangCommon.cmake b/cmake/Common/CompilerArmClangCommon.cmake
new file mode 100644
index 0000000..4059bdf
--- /dev/null
+++ b/cmake/Common/CompilerArmClangCommon.cmake
@@ -0,0 +1,119 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2017, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#-------------------------------------------------------------------------------
+
+#This file contains settings to specify how ARMCLANG shall be used
+
+function(check_armclang_input_vars MY_VERSION)
+ #Specify where armclang is
+ if (NOT DEFINED ARMCLANG_PATH)
+ message(FATAL_ERROR "Please set ARMCLANG_PATH to the root directory of the armclang installation. e.g. set(ARMCLANG_PATH \"C:/Program Files/ARMCompiler${MY_VERSION}\")")
+ endif()
+
+ STRING(REGEX REPLACE "([0-9]+).([0-9]+).*" "\\1.\\2" _MY_MAJOR_MINOR "${MY_VERSION}")
+ STRING(REGEX REPLACE "([0-9]+).([0-9]+).*" "\\1.\\2" _ARMCLANG_MAJOR_MINOR "${ARMCLANG_VER}")
+
+ #Check armclang version.
+ if (NOT "${_MY_MAJOR_MINOR}" VERSION_EQUAL "${_ARMCLANG_MAJOR_MINOR}")
+ message(FATAL_ERROR "ARMClang version (ARMCLANG_VER=${ARMCLANG_VER}) does not match ${MY_VERSION}")
+ endif()
+
+ #Emit warning if needed environment variables are not set.
+ if(NOT DEFINED ENV{ARM_TOOL_VARIANT} OR NOT DEFINED ENV{ARM_PRODUCT_PATH})
+ message(WARNING "ARM_TOOL_VARIANT or ARM_PRODUCT_PATH environment variables are not set!")
+ endif()
+
+ if (NOT DEFINED ARM_CPU_ARHITECTURE AND NOT DEFINED ARM_CPU_TYPE)
+ message(FATAL_ERROR "ARM_CPU_TYPE and ARM_CPU_ARHITECTURE is not defined! Please include the CPU specific config file before this one.")
+ endif()
+
+endfunction()
+
+message(STATUS "Using armclang compiler package v${ARMCLANG_VER} from ${ARMCLANG_PATH}")
+
+
+#Tell cmake which compiler we use
+if (EXISTS "c:/")
+ set (CMAKE_C_COMPILER "${ARMCLANG_PATH}/bin/armclang.exe")
+ set (CMAKE_CXX_COMPILER "${ARMCLANG_PATH}/bin/armclang.exe")
+ set (CMAKE_ASM_COMPILER "${ARMCLANG_PATH}/bin/armasm.exe")
+else()
+ set (CMAKE_C_COMPILER "${ARMCLANG_PATH}/bin/armclang")
+ set (CMAKE_CXX_COMPILER "${ARMCLANG_PATH}/bin/armclang")
+ set (CMAKE_ASM_COMPILER "${ARMCLANG_PATH}/bin/armasm")
+endif()
+
+if("CXX" IN_LIST languages)
+ set(CMAKE_CXX_COMPILER_ID "ARMCLANG" CACHE INTERNAL "CXX compiler ID" FORCE)
+ include(Compiler/ARMClang-CXX)
+endif()
+
+if("C" IN_LIST languages)
+ set(CMAKE_C_COMPILER_ID "ARMCLANG" CACHE INTERNAL "C compiler ID" FORCE)
+ include(Compiler/ARMClang-C)
+endif()
+
+if("ASM" IN_LIST languages)
+ set(CMAKE_C_COMPILER_ID "ARMCLANG" CACHE INTERNAL "ASM compiler ID" FORCE)
+ include(Compiler/ARMClang-ASM)
+endif()
+
+function(compiler_set_linkercmdfile TARGET FILE_PATH)
+ #Note: the space before the option is important!
+ set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " --scatter=${FILE_PATH}")
+ set_property(TARGET ${TARGET} APPEND PROPERTY LINK_DEPENDS ${FILE_PATH})
+ #Tell cmake .map files shall be removed when project is cleaned (make clean)
+ get_filename_component(_TARGET_BASE_NAME ${TARGET} NAME_WE)
+ get_directory_property(_ADDITIONAL_MAKE_CLEAN_FILES DIRECTORY "./" ADDITIONAL_MAKE_CLEAN_FILES)
+ set_directory_properties(PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${_ADDITIONAL_MAKE_CLEAN_FILES} ${_TARGET_BASE_NAME}.map")
+endfunction()
+
+function(compiler_set_cmse_output TARGET FILE_PATH)
+ #Note: the space before the option is important!
+ set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " --import_cmse_lib_out=${FILE_PATH}")
+ #Tell cmake cmse output is a generated object file.
+ SET_SOURCE_FILES_PROPERTIES("${FILE_PATH}" PROPERTIES EXTERNAL_OBJECT true GENERATED true)
+ #Tell cmake cmse output shall be removed by clean target.
+ get_directory_property(_ADDITIONAL_MAKE_CLEAN_FILES DIRECTORY "./" ADDITIONAL_MAKE_CLEAN_FILES)
+ set_directory_properties(PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${_ADDITIONAL_MAKE_CLEAN_FILES} ${FILE_PATH}")
+endfunction()
+
+function(compiler_merge_library)
+ set( _OPTIONS_ARGS ) #Option (on/off) arguments.
+ set( _ONE_VALUE_ARGS DEST) #Single option arguments.
+ set( _MULTI_VALUE_ARGS LIBS) #List arguments
+ cmake_parse_arguments(_MY_PARAMS "${_OPTIONS_ARGS}" "${_ONE_VALUE_ARGS}" "${_MULTI_VALUE_ARGS}" ${ARGN} )
+
+ #Check passed parameters
+ if(NOT _MY_PARAMS_DEST)
+ message(FATAL_ERROR "embedded_merge_library: no destination library target specified.")
+ endif()
+ #Check if destination is a target
+ if(NOT TARGET ${_MY_PARAMS_DEST})
+ message(FATAL_ERROR "embedded_merge_library: parameter DEST must be a target already defined.")
+ endif()
+ #Check if destination is a library
+ get_target_property(_tmp ${_MY_PARAMS_DEST} TYPE)
+ if(NOT "${_tmp}" STREQUAL "STATIC_LIBRARY")
+ message(FATAL_ERROR "embedded_merge_library: parameter DEST must be a static library target.")
+ endif()
+
+ #Check list if libraries to be merged
+ if(NOT _MY_PARAMS_LIBS)
+ message(FATAL_ERROR "embedded_merge_library: no source libraries specified. Please see the LIBS parameter.")
+ endif()
+
+ #Mark each library file as a generated external object. This is needed to
+ #avoid error because CMake has no info how these can be built.
+ SET_SOURCE_FILES_PROPERTIES(
+ ${_MY_PARAMS_LIBS}
+ PROPERTIES
+ EXTERNAL_OBJECT true
+ GENERATED true)
+
+ #Add additional input to target
+ target_sources(${_MY_PARAMS_DEST} PRIVATE ${_MY_PARAMS_LIBS})
+endfunction()