eive-obsw/cmake/Zynq7020CrossCompileConfig.cmake

113 lines
3.5 KiB
CMake

if(DEFINED ENV{ZYNQ_7020_SYSROOT})
set(ENV{ZYNQ_7020_ROOTFS} $ENV{ZYNQ_7020_SYSROOT})
endif()
# CROSS_COMPILE also needs to be set accordingly or passed to the CMake command
if(NOT DEFINED ENV{ZYNQ_7020_ROOTFS})
# Sysroot has not been cached yet and was not set in environment either
if(NOT DEFINED SYSROOT_PATH)
message(FATAL_ERROR
"Define the ZYNQ_7020_ROOTFS variable to point to the Zynq-7020 rootfs."
)
endif()
else()
set(SYSROOT_PATH "$ENV{ZYNQ_7020_ROOTFS}" CACHE PATH "Zynq-7020 root filesystem path")
endif()
if(NOT DEFINED ENV{CROSS_COMPILE})
set(CROSS_COMPILE "arm-linux-gnueabihf")
message(STATUS
"No CROSS_COMPILE environmental variable set, using default ARM linux "
"cross compiler name ${CROSS_COMPILE}"
)
else()
set(CROSS_COMPILE "$ENV{CROSS_COMPILE}")
message(STATUS
"Using environmental variable CROSS_COMPILE as cross-compiler: "
"$ENV{CROSS_COMPILE}"
)
endif()
message(STATUS "Using sysroot path: ${SYSROOT_PATH}")
set(CROSS_COMPILE_CC "${CROSS_COMPILE}-gcc")
set(CROSS_COMPILE_CXX "${CROSS_COMPILE}-g++")
set(CROSS_COMPILE_LD "${CROSS_COMPILE}-ld")
set(CROSS_COMPILE_AR "${CROSS_COMPILE}-ar")
set(CROSS_COMPILE_RANLIB "${CROSS_COMPILE}-ranlib")
set(CROSS_COMPILE_STRIP "${CROSS_COMPILE}-strip")
set(CROSS_COMPILE_NM "${CROSS_COMPILE}-nm")
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 (CMAKE_C_COMPILER ${CROSS_COMPILE_CC} HINTS $ENV{CROSS_COMPILE_BIN_PATH} REQUIRED)
find_program (CMAKE_CXX_COMPILER ${CROSS_COMPILE_CXX} HINTS $ENV{CROSS_COMPILE_BIN_PATH} REQUIRED)
# Useful utilities, not strictly necessary
find_program(CMAKE_SIZE ${CROSS_COMPILE_SIZE})
find_program(CMAKE_OBJCOPY ${CROSS_COMPILE_OBJCOPY})
find_program(CMAKE_STRIP ${CROSS_COMPILE_STRIP})
set(CMAKE_CROSSCOMPILING TRUE)
set(CMAKE_SYSROOT "${SYSROOT_PATH}")
# Define name of the target system
set(CMAKE_SYSTEM_NAME "Linux")
set(CMAKE_SYSTEM_PROCESSOR "armv7")
# Define the compiler
set(CMAKE_C_COMPILER ${CROSS_COMPILE_CC})
set(CMAKE_CXX_COMPILER ${CROSS_COMPILE_CXX})
if(EIVE_SYSROOT_MAGIC)
# List of library dirs where LD has to look. Pass them directly through gcc.
set(LIB_DIRS
"${SYSROOT_PATH}/usr/include"
"${SYSROOT_PATH}/usr/include/linux"
"${SYSROOT_PATH}/usr/lib"
"${SYSROOT_PATH}/lib"
"${SYSROOT_PATH}"
"${SYSROOT_PATH}/usr/lib/arm-xiphos-linux-gnueabi"
)
# You can additionally check the linker paths if you add the
# flags ' -Xlinker --verbose'
set(COMMON_FLAGS "-I${SYSROOT_PATH}/usr/lib")
foreach(LIB ${LIB_DIRS})
set(COMMON_FLAGS "${COMMON_FLAGS} -L${LIB} -Wl,-rpath-link,${LIB}")
endforeach()
endif()
set(CMAKE_PREFIX_PATH
"${CMAKE_PREFIX_PATH}"
# "${SYSROOT_PATH}/usr/lib/${CROSS_COMPILE}"
)
set(C_FLAGS
-mcpu=cortex-a9
-mfpu=neon-vfpv3
-mfloat-abi=hard
${COMMON_FLAGS}
-lgpiod
)
if (TGT_BSP MATCHES "arm/q7s")
set(C_FLAGS ${C_FLAGS} -lxiphos)
endif()
string (REPLACE ";" " " C_FLAGS "${C_FLAGS}")
set(CMAKE_C_FLAGS
${C_FLAGS}
CACHE STRING "C flags for Zynq-7020"
)
set(CMAKE_CXX_FLAGS
"${CMAKE_C_FLAGS}"
CACHE STRING "CPP flags for Zynq-7020"
)
# 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)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)