1 files changed, 67 insertions, 0 deletions

diff --git a/cmake/scripts/common/CheckTargetPlatform.cmake b/cmake/scripts/common/CheckTargetPlatform.cmake
new file mode 100644
index 0000000..82ee668
--- /dev/null
+++ b/cmake/scripts/common/CheckTargetPlatform.cmake
@@ -0,0 +1,67 @@
+# handle target platforms
+function(check_target_platform dir target_platform build)
+  # param[in] dir path/directory of the addon/dependency
+  # param[in] target_platform target platform of the build
+  # param[out] build Result whether the addon/dependency should be built for the specified target platform
+
+  set(${build} FALSE)
+  # check if the given directory exists and contains a platforms.txt
+  if(EXISTS ${dir} AND EXISTS ${dir}/platforms.txt)
+    # get all the specified platforms
+    file(STRINGS ${dir}/platforms.txt platforms)
+    
+    list( LENGTH platforms listlen )
+    if(${listlen} EQUAL 1)    
+        string(REPLACE " " ";" platforms ${platforms})
+    endif()
+
+    # check if the addon/dependency should be built for the current platform
+    foreach(platform ${platforms})
+      if(${platform} STREQUAL "all" OR ${platform} STREQUAL ${target_platform})
+        set(${build} TRUE)
+      else()
+        # check if the platform is defined as "!<platform>"
+        string(SUBSTRING ${platform} 0 1 platform_first)
+        if(${platform_first} STREQUAL "!")
+          # extract the platform
+          string(LENGTH ${platform} platform_length)
+          math(EXPR platform_length "${platform_length} - 1")
+          string(SUBSTRING ${platform} 1 ${platform_length} platform)
+
+          # check if the current platform does not match the extracted platform
+          if(NOT ${platform} STREQUAL ${target_platform})
+            set(${build} TRUE)
+          endif()
+        endif()
+      endif()
+    endforeach()
+  else()
+    set(${build} TRUE)
+  endif()
+
+  # make the ${build} variable available to the calling script
+  set(${build} "${${build}}" PARENT_SCOPE)
+endfunction()
+
+function(check_install_permissions install_dir have_perms)
+  # param[in] install_dir directory to check for write permissions
+  # param[out] have_perms wether we have permissions to install to install_dir
+
+  set(testfile_lib ${install_dir}/lib/kodi/.cmake-inst-test)
+  set(testfile_share ${install_dir}/share/kodi/.cmake-inst-test)
+  get_filename_component(testdir_lib ${testfile_lib} DIRECTORY)
+  get_filename_component(testdir_share ${testfile_share} DIRECTORY)
+
+  execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${testdir_lib})
+  execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${testdir_share})
+  execute_process(COMMAND ${CMAKE_COMMAND} -E touch ${testfile_lib})
+  execute_process(COMMAND ${CMAKE_COMMAND} -E touch ${testfile_share})
+
+  if(EXISTS ${testfile_lib} AND EXISTS ${testfile_share})
+    set(${have_perms} True PARENT_SCOPE)
+  else()
+    message(STATUS "check_install_permissions ${install_dir}: failed to create files")
+    set(${have_perms} False PARENT_SCOPE)
+  endif()
+  file(REMOVE ${testfile_lib} ${testfile_share})
+endfunction()