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RPi: add clang & clang-check support

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This commit is contained in:
Hidenori
2016-07-19 17:12:09 -04:00
committed by Lorenz Meier
parent ae00abe468
commit a8d3b15d73
5 changed files with 110 additions and 2 deletions
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7
cmake/configs/posix_rpi_cross.cmake
View File

@@ -1,6 +1,11 @@
include(configs/posix_rpi_common)
set(CMAKE_TOOLCHAIN_FILE ${CMAKE_SOURCE_DIR}/cmake/toolchains/Toolchain-arm-linux-gnueabihf-raspbian.cmake)
if("$ENV{RPI_USE_CLANG}" STREQUAL "1")
set(CMAKE_TOOLCHAIN_FILE ${CMAKE_SOURCE_DIR}/cmake/toolchains/Toolchain-arm-linux-clang-gnueabihf-raspbian.cmake)
else()
set(CMAKE_TOOLCHAIN_FILE ${CMAKE_SOURCE_DIR}/cmake/toolchains/Toolchain-arm-linux-gnueabihf-raspbian.cmake)
endif()
set(CMAKE_PROGRAM_PATH
"${RPI_TOOLCHAIN_DIR}/gcc-linaro-arm-linux-gnueabihf-raspbian/bin"

13
cmake/posix/px4_impl_posix.cmake
View File

@@ -223,8 +223,19 @@ if ("${BOARD}" STREQUAL "eagle" OR "${BOARD}" STREQUAL "excelsior")
-Wl,-rpath-link,${HEXAGON_ARM_SYSROOT}/lib/arm-linux-gnueabihf
--sysroot=${HEXAGON_ARM_SYSROOT}
)
else()
elseif ("${BOARD}" STREQUAL "rpi" AND "$ENV{RPI_USE_CLANG}" STREQUAL "1")
# Add the toolchain specific flags
set(clang_added_flags
-m32
--target=arm-linux-gnueabihf
-ccc-gcc-name arm-linux-gnueabihf
--sysroot=${RPI_TOOLCHAIN_DIR}/gcc-linaro-arm-linux-gnueabihf-raspbian/arm-linux-gnueabihf/libc/)
set(added_c_flags ${POSIX_CMAKE_C_FLAGS} ${clang_added_flags})
set(added_cxx_flags ${POSIX_CMAKE_CXX_FLAGS} ${clang_added_flags})
set(added_exe_linker_flags ${POSIX_CMAKE_EXE_LINKER_FLAGS} ${clang_added_flags})
else()
# Add the toolchain specific flags
set(added_cflags ${POSIX_CMAKE_C_FLAGS})
set(added_cxx_flags ${POSIX_CMAKE_CXX_FLAGS})

69
cmake/toolchains/Toolchain-arm-linux-clang-gnueabihf-raspbian.cmake Normal file
View File

@@ -0,0 +1,69 @@
include(CMakeForceCompiler)
if ($ENV{RPI_TOOLCHAIN_DIR} STREQUAL "")
message(FATAL_ERROR "RPI_TOOLCHAIN_DIR not set")
else()
set(RPI_TOOLCHAIN_DIR $ENV{RPI_TOOLCHAIN_DIR})
endif()
# this one is important
set(CMAKE_SYSTEM_NAME Generic)
#this one not so much
set(CMAKE_SYSTEM_VERSION 1)
# specify the cross compiler
# requires a symbolic link typically from /usr/bin/clang
find_program(C_COMPILER clang
PATHS ${RPI_TOOLCHAIN_DIR}/gcc-linaro-arm-linux-gnueabihf-raspbian/bin
NO_DEFAULT_PATH
)
if(NOT C_COMPILER)
message(FATAL_ERROR "could not find C compiler")
endif()
cmake_force_c_compiler(${C_COMPILER} Clang)
find_program(CXX_COMPILER clang++
PATHS ${RPI_TOOLCHAIN_DIR}/gcc-linaro-arm-linux-gnueabihf-raspbian/bin
NO_DEFAULT_PATH
)
if(NOT CXX_COMPILER)
message(FATAL_ERROR "could not find C++ compiler")
endif()
cmake_force_cxx_compiler(${CXX_COMPILER} Clang)
# compiler tools
foreach(tool objcopy nm ld)
string(TOUPPER ${tool} TOOL)
find_program(${TOOL} arm-linux-gnueabihf-${tool}
PATHS ${RPI_TOOLCHAIN_DIR}/gcc-linaro-arm-linux-gnueabihf-raspbian/bin
NO_DEFAULT_PATH
)
if(NOT ${TOOL})
message(FATAL_ERROR "could not find arm-linux-gnueabihf-${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 ${TOOL}")
endif()
endforeach()
add_definitions(
-D __RPI
)
# where is the target environment
set(CMAKE_FIND_ROOT_PATH get_file_component(${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)