From 684ef747acbdbb431d70cc856488bce743e2ed23 Mon Sep 17 00:00:00 2001 From: Robin Mueller Date: Thu, 15 Jul 2021 01:19:42 +0200 Subject: [PATCH] updated x-compile cmake files --- cmake/BBBCrossCompileConfig.cmake | 49 +++++++++++--------- cmake/RPiCrossCompileConfig.cmake | 74 ++++++++++++++++--------------- 2 files changed, 65 insertions(+), 58 deletions(-) diff --git a/cmake/BBBCrossCompileConfig.cmake b/cmake/BBBCrossCompileConfig.cmake index e1a669db..fcbab882 100644 --- a/cmake/BBBCrossCompileConfig.cmake +++ b/cmake/BBBCrossCompileConfig.cmake @@ -1,20 +1,22 @@ -# BBB_ROOTFS should point to the local directory which contains all the +# LINUX_ROOTFS should point to the local directory which contains all the # libraries and includes from the target raspi. # The following command can be used to do this, replace and the # local accordingly: # rsync -vR --progress -rl --delete-after --safe-links pi@:/{lib,usr,opt/vc/lib} -# RASPBIAN_ROOTFS needs to be passed to the CMake command or defined in the +# LINUX_ROOTFS needs to be passed to the CMake command or defined in the # application CMakeLists.txt before loading the toolchain file. # CROSS_COMPILE also needs to be set accordingly or passed to the CMake command - -if(NOT DEFINED ENV{BBB_ROOTFS}) - message(FATAL_ERROR - "Define the BBB_ROOTFS variable to point to the Beagle Bone Black rootfs." - ) +if(NOT DEFINED ENV{LINUX_ROOTFS}) + # Sysroot has not been cached yet and was not set in environment either + if(NOT SYSROOT_PATH) + message(FATAL_ERROR + "Define the LINUX_ROOTFS variable to point to the Raspberry Pi rootfs." + ) + endif() else() - set(SYSROOT_PATH "$ENV{BBB_ROOTFS}" CACHE FILEPATH "BBB root filesystem path") - message(STATUS "Beagle Bone Black sysroot: ${SYSROOT_PATH}") + set(SYSROOT_PATH "$ENV{LINUX_ROOTFS}" CACHE PATH "Local linux root filesystem path") + message(STATUS "Raspberry Pi sysroot: ${SYSROOT_PATH}") endif() if(NOT DEFINED ENV{CROSS_COMPILE}) @@ -31,6 +33,15 @@ else() ) endif() +# Generally, the debian roots will be a multiarch rootfs where some libraries are put +# into a folder named "arm-linux-gnueabihf". The user can override the folder name if this is +# not the case +if(NOT ENV{MULTIARCH_FOLDER_NAME}) + set(MULTIARCH_FOLDER_NAME "arm-linux-gnueabihf") +else() + set(MUTLIARCH_FOLDER_NAME $ENV{MULTIARCH_FOLDER_NAME}) +endif() + message(STATUS "Using sysroot path: ${SYSROOT_PATH}") set(CROSS_COMPILE_CC "${CROSS_COMPILE}-gcc") @@ -44,8 +55,11 @@ set(CROSS_COMPILE_OBJCOPY "${CROSS_COMPILE}-objcopy") set(CROSS_COMPILE_SIZE "${CROSS_COMPILE}-size") # At the very least, cross compile gcc and g++ have to be set! -find_program (CROSS_COMPILE_CC_FOUND ${CROSS_COMPILE_CC} REQUIRED) -find_program (CROSS_COMPILE_CXX_FOUND ${CROSS_COMPILE_CXX} REQUIRED) +find_program (CMAKE_C_COMPILER ${CROSS_COMPILE_CC} REQUIRED) +find_program (CMAKE_CXX_COMPILER ${CROSS_COMPILE_CXX} REQUIRED) +# Useful utilities, not strictly necessary +find_program(CMAKE_SIZE ${CROSS_COMPILE_SIZE}) +find_program(CMAKE_OBJCOPY ${CROSS_COMPILE_OBJCOPY}) set(CMAKE_CROSSCOMPILING TRUE) set(CMAKE_SYSROOT "${SYSROOT_PATH}") @@ -54,16 +68,12 @@ set(CMAKE_SYSROOT "${SYSROOT_PATH}") set(CMAKE_SYSTEM_NAME "Linux") set(CMAKE_SYSTEM_PROCESSOR "arm") -# Define the compiler -set(CMAKE_C_COMPILER ${CROSS_COMPILE_CC}) -set(CMAKE_CXX_COMPILER ${CROSS_COMPILE_CXX}) - # List of library dirs where LD has to look. Pass them directly through gcc. # LD_LIBRARY_PATH is not evaluated by arm-*-ld set(LIB_DIRS - "${SYSROOT_PATH}/lib/${CROSS_COMPILE}" + "${SYSROOT_PATH}/lib/${MUTLIARCH_FOLDER_NAME}" "${SYSROOT_PATH}/usr/local/lib" - "${SYSROOT_PATH}/usr/lib/${CROSS_COMPILE}" + "${SYSROOT_PATH}/usr/lib/${MUTLIARCH_FOLDER_NAME}" "${SYSROOT_PATH}/usr/lib" ) # You can additionally check the linker paths if you add the @@ -73,11 +83,6 @@ foreach(LIB ${LIB_DIRS}) set(COMMON_FLAGS "${COMMON_FLAGS} -L${LIB} -Wl,-rpath-link,${LIB}") endforeach() -set(CMAKE_PREFIX_PATH - "${CMAKE_PREFIX_PATH}" - "${SYSROOT_PATH}/usr/lib/${CROSS_COMPILE}" -) - set(CMAKE_C_FLAGS "-march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=hard ${COMMON_FLAGS}" CACHE STRING "Flags for Beagle Bone Black" diff --git a/cmake/RPiCrossCompileConfig.cmake b/cmake/RPiCrossCompileConfig.cmake index 1f246443..5806af59 100644 --- a/cmake/RPiCrossCompileConfig.cmake +++ b/cmake/RPiCrossCompileConfig.cmake @@ -1,7 +1,7 @@ # Based on https://github.com/Pro/raspi-toolchain but rewritten completely. # Adapted for the FSFW Example -if(NOT $ENV{RASPBERRY_VERSION}) +if(NOT DEFINED ENV{RASPBERRY_VERSION}) message(STATUS "Raspberry Pi version not specified, setting version 4!") set(RASPBERRY_VERSION 4) else() @@ -9,23 +9,25 @@ else() endif() -# RASPBIAN_ROOTFS should point to the local directory which contains all the +# LINUX_ROOTFS should point to the local directory which contains all the # libraries and includes from the target raspi. # The following command can be used to do this, replace and the # local accordingly: # rsync -vR --progress -rl --delete-after --safe-links pi@:/{lib,usr,opt/vc/lib} -# RASPBIAN_ROOTFS needs to be passed to the CMake command or defined in the +# LINUX_ROOTFS needs to be passed to the CMake command or defined in the # application CMakeLists.txt before loading the toolchain file. # CROSS_COMPILE also needs to be set accordingly or passed to the CMake command - -if(NOT DEFINED ENV{RASPBIAN_ROOTFS}) - message(FATAL_ERROR - "Define the RASPBIAN_ROOTFS variable to " - "point to the raspbian rootfs." - ) +if(NOT DEFINED ENV{LINUX_ROOTFS}) + # Sysroot has not been cached yet and was not set in environment either + if(NOT SYSROOT_PATH) + message(FATAL_ERROR + "Define the LINUX_ROOTFS variable to point to the Raspberry Pi rootfs." + ) + endif() else() - set(SYSROOT_PATH "$ENV{RASPBIAN_ROOTFS}" CACHE FILEPATH "RPi root filesystem path") + set(SYSROOT_PATH "$ENV{LINUX_ROOTFS}" CACHE PATH "Local linux root filesystem path") + message(STATUS "Raspberry Pi sysroot: ${SYSROOT_PATH}") endif() if(NOT DEFINED ENV{CROSS_COMPILE}) @@ -42,6 +44,15 @@ else() ) endif() +# Generally, the debian roots will be a multiarch rootfs where some libraries are put +# into a folder named "arm-linux-gnueabihf". The user can override the folder name if this is +# not the case +if(NOT ENV{MULTIARCH_FOLDER_NAME}) + set(MULTIARCH_FOLDER_NAME "arm-linux-gnueabihf") +else() + set(MUTLIARCH_FOLDER_NAME $ENV{MULTIARCH_FOLDER_NAME}) +endif() + message(STATUS "Using sysroot path: ${SYSROOT_PATH}") set(CROSS_COMPILE_CC "${CROSS_COMPILE}-gcc") @@ -55,8 +66,11 @@ set(CROSS_COMPILE_OBJCOPY "${CROSS_COMPILE}-objcopy") set(CROSS_COMPILE_SIZE "${CROSS_COMPILE}-size") # At the very least, cross compile gcc and g++ have to be set! -find_program (CROSS_COMPILE_CC_FOUND ${CROSS_COMPILE_CC} REQUIRED) -find_program (CROSS_COMPILE_CXX_FOUND ${CROSS_COMPILE_CXX} REQUIRED) +find_program (CMAKE_C_COMPILER ${CROSS_COMPILE_CC} REQUIRED) +find_program (CMAKE_CXX_COMPILER ${CROSS_COMPILE_CXX} REQUIRED) +# Useful utilities, not strictly necessary +find_program(CMAKE_SIZE ${CROSS_COMPILE_SIZE}) +find_program(CMAKE_OBJCOPY ${CROSS_COMPILE_OBJCOPY}) set(CMAKE_CROSSCOMPILING TRUE) set(CMAKE_SYSROOT "${SYSROOT_PATH}") @@ -69,22 +83,16 @@ else() set(CMAKE_SYSTEM_PROCESSOR "arm") endif() -# Define the compiler -set(CMAKE_C_COMPILER ${CROSS_COMPILE_CC}) -set(CMAKE_CXX_COMPILER ${CROSS_COMPILE_CXX}) - # List of library dirs where LD has to look. Pass them directly through gcc. # LD_LIBRARY_PATH is not evaluated by arm-*-ld set(LIB_DIRS - "/opt/cross-pi-gcc/arm-linux-gnueabihf/lib" - "/opt/cross-pi-gcc/lib" "${SYSROOT_PATH}/opt/vc/lib" - "${SYSROOT_PATH}/lib/${CROSS_COMPILE}" + "${SYSROOT_PATH}/lib/${MULTIARCH_FOLDER_NAME}" "${SYSROOT_PATH}/usr/local/lib" - "${SYSROOT_PATH}/usr/lib/${CROSS_COMPILE}" + "${SYSROOT_PATH}/usr/lib/${MULTIARCH_FOLDER_NAME}" "${SYSROOT_PATH}/usr/lib" - "${SYSROOT_PATH}/usr/lib/${CROSS_COMPILE}/blas" - "${SYSROOT_PATH}/usr/lib/${CROSS_COMPILE}/lapack" + "${SYSROOT_PATH}/usr/lib/${MULTIARCH_FOLDER_NAME}/blas" + "${SYSROOT_PATH}/usr/lib/${MULTIARCH_FOLDER_NAME}/lapack" ) # You can additionally check the linker paths if you add the # flags ' -Xlinker --verbose' @@ -93,43 +101,38 @@ foreach(LIB ${LIB_DIRS}) set(COMMON_FLAGS "${COMMON_FLAGS} -L${LIB} -Wl,-rpath-link,${LIB}") endforeach() -set(CMAKE_PREFIX_PATH - "${CMAKE_PREFIX_PATH}" - "${SYSROOT_PATH}/usr/lib/${CROSS_COMPILE}" -) - if(RASPBERRY_VERSION VERSION_GREATER 3) set(CMAKE_C_FLAGS "-mcpu=cortex-a72 -mfpu=neon-vfpv4 -mfloat-abi=hard ${COMMON_FLAGS}" - CACHE STRING "CPP flags for Raspberry PI 4" + CACHE STRING "Flags for Raspberry Pi 4" ) set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS}" - CACHE STRING "C flags for Raspberry PI 4" + CACHE STRING "Flags for Raspberry Pi 4" ) elseif(RASPBERRY_VERSION VERSION_GREATER 2) set(CMAKE_C_FLAGS "-mcpu=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard ${COMMON_FLAGS}" - CACHE STRING "C flags for Raspberry PI 3" + CACHE STRING "Flags for Raspberry Pi 3" ) set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS}" - CACHE STRING "CPP flags for Raspberry PI 3" + CACHE STRING "Flags for Raspberry Pi 3" ) elseif(RASPBERRY_VERSION VERSION_GREATER 1) set(CMAKE_C_FLAGS "-mcpu=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=hard ${COMMON_FLAGS}" - CACHE STRING "C flags for Raspberry PI 2" + CACHE STRING "Flags for Raspberry Pi 2" ) set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS}" - CACHE STRING "CPP flags for Raspberry PI 2" + CACHE STRING "Flags for Raspberry Pi 2" ) else() set(CMAKE_C_FLAGS "-mcpu=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard ${COMMON_FLAGS}" - CACHE STRING "C flags for Raspberry PI 1 B+ Zero" + CACHE STRING "Flags for Raspberry Pi 1 B+ Zero" ) set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS}" - CACHE STRING "CPP flags for Raspberry PI 1 B+ Zero" + CACHE STRING "Flags for Raspberry PI 1 B+ Zero" ) endif() @@ -137,7 +140,6 @@ set(CMAKE_FIND_ROOT_PATH "${CMAKE_INSTALL_PREFIX};${CMAKE_PREFIX_PATH};${CMAKE_SYSROOT}" ) - # search for programs in the build host directories set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) # for libraries and headers in the target directories