diff options
| -rw-r--r-- | cmake/cmake.d/01-variables.cmake | 15 | ||||
| -rw-r--r-- | cmake/cmake.d/04-build_options.cmake | 30 | ||||
| -rw-r--r-- | cmake/config.cmake.sample | 14 |
3 files changed, 39 insertions, 20 deletions
diff --git a/cmake/cmake.d/01-variables.cmake b/cmake/cmake.d/01-variables.cmake index 1bba5ce..3891f53 100644 --- a/cmake/cmake.d/01-variables.cmake +++ b/cmake/cmake.d/01-variables.cmake @@ -71,6 +71,21 @@ else() set(OSRELEASE "NOT DEBIAN OS") endif() +if(DEFINED ENV{SDKTARGETSYSROOT}) + file(STRINGS $ENV{SDKTARGETSYSROOT}/usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE") +elseif(DEFINED ENV{PKG_CONFIG_SYSROOT_DIR}) + file(STRINGS $ENV{PKG_CONFIG_SYSROOT_DIR}/usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE") +else() + file(STRINGS /usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE") +endif() + +string(REGEX MATCH "[0-9]+" LINUX_VERSION_CODE ${LINUX_VERSION_CODE_LINE}) +math(EXPR a "${LINUX_VERSION_CODE} >> 16") +math(EXPR b "(${LINUX_VERSION_CODE} >> 8) & 255") +math(EXPR c "(${LINUX_VERSION_CODE} & 255)") + +set(KERNEL_VERSION "${a}.${b}.${c}") + # Include project configuration # ------------------------------ project(${PROJECT_NAME} VERSION ${PROJECT_VERSION} LANGUAGES ${PROJECT_LANGUAGES}) diff --git a/cmake/cmake.d/04-build_options.cmake b/cmake/cmake.d/04-build_options.cmake index 899505f..bc14ee6 100644 --- a/cmake/cmake.d/04-build_options.cmake +++ b/cmake/cmake.d/04-build_options.cmake @@ -33,27 +33,23 @@ if (gcc_minimal_version) endif() endif(gcc_minimal_version) -# Check Kernel minimal version +# Check Kernel mandatory version, will fail the configuration if required version not matched. +if (kernel_mandatory_version) + message (STATUS "${Cyan}-- Check kernel_mandatory_version (found kernel version ${KERNEL_VERSION})${ColourReset}") + if (KERNEL_VERSION VERSION_LESS ${kernel_mandatory_version}) + message(FATAL_ERROR "${Red}**** FATAL: Require at least ${kernel_mandatory_version} please use a recent kernel or source your SDK environment then clean and reconfigure your CMake project.") + endif (KERNEL_VERSION VERSION_LESS ${kernel_mandatory_version}) +endif(kernel_mandatory_version) + +# Check Kernel minimal version just print a Warning about missing features +# and set a definition to be used as preprocessor condition in code to disable +# incompatibles features. if (kernel_minimal_version) - if(DEFINED ENV{SDKTARGETSYSROOT}) - file(STRINGS $ENV{SDKTARGETSYSROOT}/usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE") - elseif(DEFINED ENV{PKG_CONFIG_SYSROOT_DIR}) - file(STRINGS $ENV{PKG_CONFIG_SYSROOT_DIR}/usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE") - else() - file(STRINGS /usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE") - endif() - - string(REGEX MATCH "[0-9]+" LINUX_VERSION_CODE ${LINUX_VERSION_CODE_LINE}) - math(EXPR a "${LINUX_VERSION_CODE} >> 16") - math(EXPR b "(${LINUX_VERSION_CODE} >> 8) & 255") - math(EXPR c "(${LINUX_VERSION_CODE} & 255)") - - set(KERNEL_VERSION "${a}.${b}.${c}") message (STATUS "${Cyan}-- Check kernel_minimal_version (found kernel version ${KERNEL_VERSION})${ColourReset}") - if (KERNEL_VERSION VERSION_LESS ${kernel_minimal_version}) - message(FATAL_ERROR "${Red}**** FATAL: Require at least ${kernel_minimal_version} please use a recent kernel or source your SDK environment then clean and reconfigure your CMake project.") + message(WARNING "${Yellow}**** Warning: Some feature(s) require at least ${kernel_minimal_version}. Please use a recent kernel or source your SDK environment then clean and reconfigure your CMake project.${ColourReset}") endif (KERNEL_VERSION VERSION_LESS ${kernel_minimal_version}) + add_definitions(-DKERNEL_MINIMAL_VERSION_OK) endif(kernel_minimal_version) INCLUDE(FindPkgConfig) diff --git a/cmake/config.cmake.sample b/cmake/config.cmake.sample index fb878a2..b1dda58 100644 --- a/cmake/config.cmake.sample +++ b/cmake/config.cmake.sample @@ -47,10 +47,18 @@ set(PROJECT_APP_TEMPLATES_DIR "conf.d/app-templates") # ---------------------------------- set(CMAKE_BUILD_TYPE "DEBUG") -# Kernel selection if needed. Impose a minimal version. -# NOTE FOR NOW IT CHECKS KERNEL Yocto SDK Kernel version -# else only HOST VERSION +# Kernel selection if needed. You can choose between a +# mandatory version to Impose a minimal version. +# else only HOST VERSION. Or check Kernel minimal version +# and just print a Warning about missing features and set +# a define variable to be used as preprocessor condition +# in code to disable incompatibles features. Preprocessor +# define is named KERNEL_MINIMAL_VERSION_OK. +# +# NOTE*** FOR NOW IT CHECKS KERNEL Yocto environment and +# Yocto SDK Kernel version. # ----------------------------------------------- +#set (kernel_mandatory_version 4.8) #set (kernel_minimal_version 4.8) # Compiler selection if needed. Impose a minimal version. |