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Bug 5133216: Add QNX tooltrain and cross build support

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This commit is contained in:
shawnz
2025-05-29 16:57:28 +08:00
parent 9c0d5aaae6
commit 49307463b5
16 changed files with 113 additions and 72 deletions
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89
cmake/toolchains/toolchain-aarch64-qnx.cmake
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@@ -1,80 +1,27 @@
#==============================================================================
# Toolchain file for cross-compiling to aarch64 QNX
#==============================================================================
# Cross-compiling, so tell CMake that we are not building for the host system
set(CMAKE_SYSTEM_NAME QNX)
# Target processor architecture
set(CMAKE_SYSTEM_PROCESSOR aarch64)
#------------------------------------------------------------------------------
# QNX host and target come from environment
# Adjust these or hard-code paths as needed:
#
# set(QNX_HOST "/path/to/qnx/host") # e.g. /qnx/qnx710/host/linux/x86_64
# set(QNX_TARGET "/path/to/qnx/target") # e.g. /qnx/qnx710/target/qnx7
#
# You can also pass them on the cmake command line:
# cmake -D QNX_HOST=/path/to/qnx/host \
# -D QNX_TARGET=/path/to/qnx/target \
# -DCMAKE_TOOLCHAIN_FILE=toolchain-aarch64-qnx.cmake ..
#------------------------------------------------------------------------------
set(QNX_HOST $ENV{QNX_HOST})
set(QNX_TARGET $ENV{QNX_TARGET})
#----------------------------------------------------------------------------
# C/C++ Compilers from QNX
#----------------------------------------------------------------------------
find_program(QNX_QCC NAMES qcc PATHS "${QNX_HOST}/usr/bin")
find_program(QNX_QPLUS NAMES q++ PATHS "${QNX_HOST}/usr/bin")
message(STATUS "QNX_HOST = ${QNX_HOST}")
message(STATUS "QNX_TARGET = ${QNX_TARGET}")
if(NOT QNX_QCC OR NOT QNX_QPLUS)
message(FATAL_ERROR "Could not find qcc or q++ in QNX_HOST=${QNX_HOST}/usr/bin")
endif()
set(CMAKE_C_COMPILER ${QNX_HOST}/usr/bin/qcc)
set(CMAKE_CXX_COMPILER ${QNX_HOST}/usr/bin/q++)
set(CMAKE_C_COMPILER "${QNX_QCC}")
set(CMAKE_CXX_COMPILER "${QNX_QPLUS}")
set(CMAKE_C_COMPILER_TARGET aarch64)
set(CMAKE_CXX_COMPILER_TARGET aarch64)
#----------------------------------------------------------------------------
# Sysroot (if you want CMake to know the default sysroot)
#----------------------------------------------------------------------------
# This is optional, but convenient if the QNX headers/libraries must be found:
#----------------------------------------------------------------------------
if(DEFINED QNX_TARGET)
set(CMAKE_SYSROOT "${QNX_TARGET}")
endif()
set(CMAKE_CUDA_HOST_COMPILER ${CMAKE_CXX_COMPILER} CACHE STRING "" FORCE)
set(CMAKE_CUDA_COMPILER_ID_TEST_FLAGS_FIRST "-nodlink -L${CUDA_ROOT}/lib64 -L${CUDA_ROOT}/lib -I${CUDA_ROOT}/include")
#----------------------------------------------------------------------------
# Additional preprocessor definitions & include paths
#----------------------------------------------------------------------------
add_compile_options(
-D_QNX_SOURCE
-DWIN_INTERFACE_CUSTOM
)
set(CMAKE_C_FLAGS " \"-V${__qnx_gcc_ver},gcc_ntoaarch64le\"")
set(CMAKE_CXX_FLAGS " \"-V${__qnx_gcc_ver},gcc_ntoaarch64le\"")
set(CMAKE_CUDA_FLAGS " --qpp-config=${__qnx_gcc_ver},gcc_ntoaarch64le")
set(AUTOMAGIC_NVCC_FLAGS --qpp-config=${__qnx_gcc_ver},gcc_ntoaarch64le CACHE STRING "automagic feature detection flags for cross build")
add_link_options("-V${__qnx_gcc_ver},gcc_ntoaarch64le")
# Add an include path to /usr/include/aarch64-qnx-gnu:
include_directories("/usr/include/aarch64-qnx-gnu")
#----------------------------------------------------------------------------
# Linker flags
#----------------------------------------------------------------------------
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L/usr/lib/aarch64-qnx-gnu")
# Because the Makefile also adds -Wl,-rpath-link,/usr/lib/aarch64-qnx-gnu:
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath-link,/usr/lib/aarch64-qnx-gnu")
# If you have a “target filesystem” (TARGET_FS) to link with:
# -L$(TARGET_FS)/usr/lib
# -L$(TARGET_FS)/usr/libnvidia
# etc., you can optionally extend the link flags. For example:
#
# if(DEFINED TARGET_FS)
# set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} \
# -L${TARGET_FS}/usr/lib -Wl,-rpath-link,${TARGET_FS}/usr/lib \
# -L${TARGET_FS}/usr/libnvidia -Wl,-rpath-link,${TARGET_FS}/usr/libnvidia")
# include_directories("${TARGET_FS}/../include")
# endif()
# If you need to link additional libraries, e.g. -lslog2 under certain conditions:
# list(APPEND EXTRA_LIBS "slog2")
# ...
#----------------------------------------------------------------------------
set(CROSS_COMPILE_FOR_QNX ON CACHE BOOL "Cross compiling for QNX platforms")
string(APPEND CMAKE_CXX_FLAGS " -D_QNX_SOURCE")
string(APPEND CMAKE_CUDA_FLAGS " -D_QNX_SOURCE")