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Update toolchain for correct paths
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@PhysicsX
PhysicsX committed Nov 16, 2024
1 parent d4aa938 commit bcb699d
Showing 1 changed file with 33 additions and 45 deletions.
78 changes: 33 additions & 45 deletions toolchain.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -3,70 +3,58 @@ include_guard(GLOBAL)

# Set the system name and processor for cross-compilation
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR arm)
set(CMAKE_SYSTEM_PROCESSOR aarch64)

# Set the target sysroot and architecture
set(TARGET_SYSROOT /build/sysroot)
# Define the sysroot and target architecture
set(CMAKE_SYSROOT /build/sysroot)
set(TARGET_ARCHITECTURE aarch64-linux-gnu)
set(CMAKE_SYSROOT ${TARGET_SYSROOT})

# Configure the pkg-config environment variables
set(ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:${CMAKE_SYSROOT}/usr/lib/${TARGET_ARCHITECTURE}/pkgconfig")
set(ENV{PKG_CONFIG_LIBDIR} "/usr/lib/pkgconfig:/usr/share/pkgconfig:${CMAKE_SYSROOT}/usr/lib/${TARGET_ARCHITECTURE}/pkgconfig:${CMAKE_SYSROOT}/usr/lib/pkgconfig")
set(ENV{PKG_CONFIG_SYSROOT_DIR} "${CMAKE_SYSROOT}")

# Set the C and C++ compilers
set(CMAKE_C_COMPILER /opt/cross-pi-gcc/bin/${TARGET_ARCHITECTURE}-gcc)
set(CMAKE_CXX_COMPILER /opt/cross-pi-gcc/bin/${TARGET_ARCHITECTURE}-g++)
# Set the C and C++ compilers (assuming cross-compilers are system-installed)
set(CMAKE_C_COMPILER aarch64-linux-gnu-gcc)
set(CMAKE_CXX_COMPILER aarch64-linux-gnu-g++)

# Define additional compiler flags
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -isystem=/usr/include -isystem=/usr/local/include -isystem=/usr/include/${TARGET_ARCHITECTURE}")
set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS}")
# Configure pkg-config environment variables
set(ENV{PKG_CONFIG_PATH} "${CMAKE_SYSROOT}/usr/lib/${TARGET_ARCHITECTURE}/pkgconfig:${CMAKE_SYSROOT}/usr/share/pkgconfig")
set(ENV{PKG_CONFIG_LIBDIR} "${CMAKE_SYSROOT}/usr/lib/${TARGET_ARCHITECTURE}/pkgconfig:${CMAKE_SYSROOT}/usr/lib/pkgconfig:${CMAKE_SYSROOT}/usr/share/pkgconfig")
set(ENV{PKG_CONFIG_SYSROOT_DIR} "${CMAKE_SYSROOT}")

# Set Qt-specific compiler and linker flags
set(QT_COMPILER_FLAGS "-march=armv8-a -mfpu=crypto-neon-fp-armv8 -mtune=cortex-a72 -mfloat-abi=hard")
# Compiler and linker flags for Qt and general builds
set(QT_COMPILER_FLAGS "-march=armv8-a -mtune=cortex-a72 -mfloat-abi=hard")
set(QT_COMPILER_FLAGS_RELEASE "-O2 -pipe")
set(QT_LINKER_FLAGS "-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -Wl,-rpath-link=${TARGET_SYSROOT}/usr/lib/${TARGET_ARCHITECTURE} -Wl,-rpath-link=$HOME/qt6/pi/lib")
set(QT_LINKER_FLAGS "-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -Wl,-rpath-link=${CMAKE_SYSROOT}/usr/lib/${TARGET_ARCHITECTURE}")

# Initialize CMake configuration variables with the specified flags
set(CMAKE_C_FLAGS_INIT "${QT_COMPILER_FLAGS} -isystem=${CMAKE_SYSROOT}/usr/include")
set(CMAKE_CXX_FLAGS_INIT "${QT_COMPILER_FLAGS} -isystem=${CMAKE_SYSROOT}/usr/include")
set(CMAKE_EXE_LINKER_FLAGS_INIT "${QT_LINKER_FLAGS}")
set(CMAKE_SHARED_LINKER_FLAGS_INIT "${QT_LINKER_FLAGS}")
set(CMAKE_MODULE_LINKER_FLAGS_INIT "${QT_LINKER_FLAGS}")

# Configure CMake find root path modes
set(CMAKE_FIND_ROOT_PATH /build/sysroot)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)

# Set the install RPATH use and build RPATH
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
set(CMAKE_BUILD_RPATH ${TARGET_SYSROOT})

# Initialize CMake configuration variables with the specified flags.
set(CMAKE_C_FLAGS_INIT "${QT_COMPILER_FLAGS} -march=armv8-a")
set(CMAKE_CXX_FLAGS_INIT "${QT_COMPILER_FLAGS} -march=armv8-a")
set(CMAKE_EXE_LINKER_FLAGS_INIT "${QT_LINKER_FLAGS} -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed")
set(CMAKE_SHARED_LINKER_FLAGS_INIT "${QT_LINKER_FLAGS} -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed")
set(CMAKE_MODULE_LINKER_FLAGS_INIT "${QT_LINKER_FLAGS} -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed")

# Set paths for XCB and OpenGL libraries
set(XCB_PATH_VARIABLE ${TARGET_SYSROOT})
set(GL_INC_DIR ${TARGET_SYSROOT}/usr/include)
set(GL_LIB_DIR ${TARGET_SYSROOT}:${TARGET_SYSROOT}/usr/lib/${TARGET_ARCHITECTURE}:${TARGET_SYSROOT}/usr:${TARGET_SYSROOT}/usr/lib)
# OpenGL and XCB libraries
set(GL_INC_DIR ${CMAKE_SYSROOT}/usr/include)
set(GL_LIB_DIR ${CMAKE_SYSROOT}/usr/lib/${TARGET_ARCHITECTURE})
set(EGL_INCLUDE_DIR ${GL_INC_DIR})
set(EGL_LIBRARY ${XCB_PATH_VARIABLE}/usr/lib/${TARGET_ARCHITECTURE}/libEGL.so)
set(EGL_LIBRARY ${GL_LIB_DIR}/libEGL.so)
set(OPENGL_INCLUDE_DIR ${GL_INC_DIR})
set(OPENGL_opengl_LIBRARY ${XCB_PATH_VARIABLE}/usr/lib/${TARGET_ARCHITECTURE}/libOpenGL.so)
set(OPENGL_opengl_LIBRARY ${GL_LIB_DIR}/libOpenGL.so)
set(GLESv2_INCLUDE_DIR ${GL_INC_DIR})
set(GLIB_LIBRARY ${XCB_PATH_VARIABLE}/usr/lib/${TARGET_ARCHITECTURE}/libGLESv2.so)
set(GLESv2_LIBRARY ${XCB_PATH_VARIABLE}/usr/lib/${TARGET_ARCHITECTURE}/libGLESv2.so)
set(GLESv2_LIBRARY ${GL_LIB_DIR}/libGLESv2.so)

# Correct the setting for gbm_LIBRARY
# DRM and XCB paths
set(gbm_INCLUDE_DIR ${GL_INC_DIR})
set(gbm_LIBRARY ${XCB_PATH_VARIABLE}/usr/lib/${TARGET_ARCHITECTURE}/libgbm.so)

set(gbm_LIBRARY ${GL_LIB_DIR}/libgbm.so)
set(Libdrm_INCLUDE_DIR ${GL_INC_DIR})
set(Libdrm_LIBRARY ${XCB_PATH_VARIABLE}/usr/lib/${TARGET_ARCHITECTURE}/libdrm.so)
set(Libdrm_LIBRARY ${GL_LIB_DIR}/libdrm.so)
set(XCB_XCB_INCLUDE_DIR ${GL_INC_DIR})
set(XCB_XCB_LIBRARY ${XCB_PATH_VARIABLE}/usr/lib/${TARGET_ARCHITECTURE}/libxcb.so)
set(XCB_XCB_LIBRARY ${GL_LIB_DIR}/libxcb.so)

# Append to CMake library and prefix paths
list(APPEND CMAKE_LIBRARY_PATH ${CMAKE_SYSROOT}/usr/lib/${TARGET_ARCHITECTURE})
list(APPEND CMAKE_PREFIX_PATH "/usr/lib/${TARGET_ARCHITECTURE}/cmake")

list(APPEND CMAKE_LIBRARY_PATH ${GL_LIB_DIR})
list(APPEND CMAKE_PREFIX_PATH ${GL_LIB_DIR}/cmake)

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