Toolchain-arm-oemllib32-linux-gnueabi.cmake
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#
# Copyright (C) 2016 Ramakrishna Kintada. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name PX4 nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# defines:
#
# NM
# OBJCOPY
# LD
# CXX_COMPILER
# C_COMPILER
# CMAKE_SYSTEM_NAME
# CMAKE_SYSTEM_VERSION
# LINKER_FLAGS
# CMAKE_EXE_LINKER_FLAGS
# CMAKE_FIND_ROOT_PATH
# CMAKE_FIND_ROOT_PATH_MODE_PROGRAM
# CMAKE_FIND_ROOT_PATH_MODE_LIBRARY
# CMAKE_FIND_ROOT_PATH_MODE_INCLUDE
include(CMakeForceCompiler)
if ("$ENV{HEXAGON_SDK_ROOT}" STREQUAL "")
message(FATAL_ERROR "HEXAGON_SDK_ROOT not set")
else()
set(HEXAGON_SDK_ROOT $ENV{HEXAGON_SDK_ROOT})
endif()
if ("$ENV{HEXAGON_ARM_SYSROOT}" STREQUAL "")
message(FATAL_ERROR "HEXAGON_ARM_SYSROOT not set")
else()
set(HEXAGON_ARM_SYSROOT $ENV{HEXAGON_ARM_SYSROOT})
endif()
# this one is important
set(CMAKE_SYSTEM_NAME "Linux")
#this one not so much
set(CMAKE_SYSTEM_VERSION 1)
# specify the cross compiler
#temporary variables to set up the cross compilation environment
set(ARM_CROSS_COMPILIER_PREFIX "arm-oemllib32-linux-gnueabi" )
set(ARM_COMPILER_PATH "${HEXAGON_ARM_SYSROOT}/x86_64-linux/usr/bin/${ARM_CROSS_COMPILIER_PREFIX}" )
set(ARM_C_COMPILER "${ARM_CROSS_COMPILIER_PREFIX}-gcc" )
set(ARM_CPP_COMPILER "${ARM_CROSS_COMPILIER_PREFIX}-g++" )
find_program(C_COMPILER ${ARM_C_COMPILER}
PATHS ${ARM_COMPILER_PATH}
NO_DEFAULT_PATH
)
if(NOT C_COMPILER)
message(FATAL_ERROR "could not find ${ARM_C_COMPILER} compiler")
endif()
cmake_force_c_compiler(${C_COMPILER} GNU)
find_program(CXX_COMPILER ${ARM_CPP_COMPILER}
PATHS ${ARM_COMPILER_PATH}
NO_DEFAULT_PATH
)
if(NOT CXX_COMPILER)
message(FATAL_ERROR "could not find ${ARM_CPP_COMPILER} compiler")
endif()
cmake_force_cxx_compiler(${CXX_COMPILER} GNU)
# compiler tools
foreach(tool objcopy nm ld)
string(TOUPPER ${tool} TOOL)
find_program(${TOOL} ${ARM_CROSS_COMPILIER_PREFIX}-${tool}
PATHS ${ARM_COMPILER_PATH}
NO_DEFAULT_PATH
)
if(NOT ${TOOL})
message(FATAL_ERROR "could not find ${ARM_CROSS_COMPILIER_PREFIX}-${tool}")
endif()
endforeach()
# os tools
foreach(tool echo grep rm mkdir nm cp touch make unzip)
string(TOUPPER ${tool} TOOL)
find_program(${TOOL} ${tool})
if(NOT ${TOOL})
message(FATAL_ERROR "could not find ${TOOL}")
endif()
endforeach()
#override the ARM sysroot.
set(CMAKE_SYSROOT "${HEXAGON_ARM_SYSROOT}/lib32-apq8096" )
set(CMAKE_EXE_LINKER_FLAGS "-Wl,-gc-sections -Wl,-rpath-link,${CMAKE_SYSROOT}/usr/lib/${ARM_CROSS_COMPILIER_PREFIX} -Wl,-rpath-link,${CMAKE_SYSROOT}/lib/${ARM_CROSS_COMPILIER_PREFIX}" )
# where is the target environment
set(CMAKE_FIND_ROOT_PATH get_file_component(${C_COMPILER} PATH))
# search for programs in the build host directories
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# for libraries and headers in the target directories
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)