Merge remote-tracking branch 'origin/master' into dab

[staging/xdg-launcher.git] / cmake / cmake.d / 01-variables.cmake

diff --git a/cmake/cmake.d/01-variables.cmake b/cmake/cmake.d/01-variables.cmake
index 764fc93..3891f53 100644 (file)
--- 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})
@@ -123,7 +138,7 @@ set(ARCHIVE_OUTPUT ${ARCHIVE_OUTPUT_ARCHIVE}.gz)
 set(TMP_ARCHIVE_SUBMODULE ${PROJECT_PKG_ENTRY_POINT}/${NPKG_PROJECT_NAME}-sub)
 set(CMD_ARCHIVE_SUBMODULE \'git archive --verbose --prefix=${NPKG_PROJECT_NAME}-${PROJECT_VERSION}/$$path/ --format tar HEAD --output ${TMP_ARCHIVE_SUBMODULE}-$$sha1.tar\' )
 
-if(OSRELEASE MATCHES "debian" AND NOT DEFINED ENV{SDKTARGETSYSROOT})
+if(OSRELEASE MATCHES "debian" AND NOT DEFINED ENV{SDKTARGETSYSROOT} AND NOT DEFINED CMAKE_TOOLCHAIN_FILE)
        # build deb spec file from template
        set(PACKAGING_DEB_OUTPUT_DSC       ${PROJECT_PKG_ENTRY_POINT}/${NPKG_PROJECT_NAME}.dsc)
        set(PACKAGING_DEB_OUTPUT_INSTALL   ${PROJECT_PKG_ENTRY_POINT}/debian.${NPKG_PROJECT_NAME}.install)
@@ -131,4 +146,4 @@ if(OSRELEASE MATCHES "debian" AND NOT DEFINED ENV{SDKTARGETSYSROOT})
        set(PACKAGING_DEB_OUTPUT_COMPAT    ${PROJECT_PKG_ENTRY_POINT}/debian.compat)
        set(PACKAGING_DEB_OUTPUT_CONTROL   ${PROJECT_PKG_ENTRY_POINT}/debian.control)
        set(PACKAGING_DEB_OUTPUT_RULES     ${PROJECT_PKG_ENTRY_POINT}/debian.rules)
-endif(OSRELEASE MATCHES "debian" AND NOT DEFINED ENV{SDKTARGETSYSROOT})
\ No newline at end of file
+endif()