Enhances OS detection with Yocto and SDK

[apps/app-templates.git] / cmake / cmake.d / 02-variables.cmake

diff --git a/cmake/cmake.d/02-variables.cmake b/cmake/cmake.d/02-variables.cmake
index ec6510f..54a362d 100644 (file)
--- a/cmake/cmake.d/02-variables.cmake
+++ b/cmake/cmake.d/02-variables.cmake
@@ -48,29 +48,15 @@ endif()
 # Native packaging name
 set(NPKG_PROJECT_NAME agl-${PROJECT_NAME})
 
-# Get the os type
-# Used to package .deb
-if(EXISTS "/etc/os-release")
-       execute_process(COMMAND grep -E "^ID(=|_LIKE=)" /etc/os-release
-               OUTPUT_VARIABLE TMP_OSRELEASE
-       )
-
-       if (NOT TMP_OSRELEASE STREQUAL "")
-               string(REGEX REPLACE ".*=([0-9a-z._-]*)\n" "\\1" OSRELEASE ${TMP_OSRELEASE})
-       else()
-               set(OSRELEASE "NO COMPATIBLE !")
-       endif()
-       message(STATUS "Distribution used ${OSRELEASE}")
-else()
-       set(OSRELEASE "NO COMPATIBLE !")
-endif()
-
 if(DEFINED ENV{SDKTARGETSYSROOT})
-       file(STRINGS $ENV{SDKTARGETSYSROOT}/usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE")
+file(STRINGS $ENV{SDKTARGETSYSROOT}/usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE")
+set(BUILD_ENV_SYSROOT $ENV{SDKTARGETSYSROOT})
 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")
+file(STRINGS $ENV{PKG_CONFIG_SYSROOT_DIR}/usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE")
+set(BUILD_ENV_SYSROOT $ENV{PKG_CONFIG_SYSROOT_DIR})
 else()
-       file(STRINGS /usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE")
+file(STRINGS /usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE")
+set(BUILD_ENV_SYSROOT "")
 endif()
 
 string(REGEX MATCH "[0-9]+" LINUX_VERSION_CODE ${LINUX_VERSION_CODE_LINE})
@@ -80,6 +66,25 @@ math(EXPR c "(${LINUX_VERSION_CODE} & 255)")
 
 set(KERNEL_VERSION "${a}.${b}.${c}")
 
+# Get the os type
+# Used to package .deb
+set(OS_RELEASE_PATH "${BUILD_ENV_SYSROOT}/etc/os-release")
+if(EXISTS ${OS_RELEASE_PATH})
+       execute_process(COMMAND bash "-c" "grep -E '^ID(_LIKE)?=' ${OS_RELEASE_PATH} | tail -n 1"
+               OUTPUT_VARIABLE TMP_OSRELEASE
+       )
+
+       if (NOT TMP_OSRELEASE STREQUAL "")
+               string(REGEX REPLACE ".*=\"?([0-9a-z\._-]*)\"?\n" "\\1" OSRELEASE ${TMP_OSRELEASE})
+       else()
+               set(OSRELEASE "NOT COMPATIBLE !")
+       endif()
+
+else()
+       set(OSRELEASE "NOT COMPATIBLE ! Missing ${OS_RELEASE_PATH} file.")
+endif()
+message(STATUS "Distribution used ${OSRELEASE}")
+
 # Include project configuration
 # ------------------------------
 project(${PROJECT_NAME} VERSION ${PROJECT_VERSION} LANGUAGES ${PROJECT_LANGUAGES})