cmake: extensions: Add corresponding ifndef for all ifdef functions

This commit adds the corresponding '_ifndef' functions for all the
existing '_ifdef' functions.

Signed-off-by: Stephanos Ioannidis <[email protected]>

Author: stephanosio

cmake/extensions.cmake

@@ -1485,6 +1485,48 @@ function(set_ifndef variable value)
   endif()
 endfunction()
 
+function(add_subdirectory_ifndef feature_toggle source_dir)
+  if(NOT ${feature_toggle})
+    add_subdirectory(${source_dir} ${ARGN})
+  endif()
+endfunction()
+
+function(target_sources_ifndef feature_toggle target scope item)
+  if(NOT ${feature_toggle})
+    target_sources(${target} ${scope} ${item} ${ARGN})
+  endif()
+endfunction()
+
+function(target_compile_definitions_ifndef feature_toggle target scope item)
+  if(NOT ${feature_toggle})
+    target_compile_definitions(${target} ${scope} ${item} ${ARGN})
+  endif()
+endfunction()
+
+function(target_include_directories_ifndef feature_toggle target scope item)
+  if(NOT ${feature_toggle})
+    target_include_directories(${target} ${scope} ${item} ${ARGN})
+  endif()
+endfunction()
+
+function(target_link_libraries_ifndef feature_toggle target item)
+  if(NOT ${feature_toggle})
+    target_link_libraries(${target} ${item} ${ARGN})
+  endif()
+endfunction()
+
+function(add_compile_option_ifndef feature_toggle option)
+  if(NOT ${feature_toggle})
+    add_compile_options(${option})
+  endif()
+endfunction()
+
+function(target_compile_option_ifndef feature_toggle target scope option)
+  if(NOT ${feature_toggle})
+    target_compile_options(${target} ${scope} ${option})
+  endif()
+endfunction()
+
 function(target_cc_option_ifndef feature_toggle target scope option)
   if(NOT ${feature_toggle})
     target_cc_option(${target} ${scope} ${option})
@@ -1509,12 +1551,78 @@ function(zephyr_cc_option_ifndef feature_toggle)
   endif()
 endfunction()
 
+function(zephyr_ld_option_ifndef feature_toggle)
+  if(NOT ${feature_toggle})
+    zephyr_ld_options(${ARGN})
+  endif()
+endfunction()
+
+function(zephyr_link_libraries_ifndef feature_toggle)
+  if(NOT ${feature_toggle})
+    zephyr_link_libraries(${ARGN})
+  endif()
+endfunction()
+
 function(zephyr_compile_options_ifndef feature_toggle)
   if(NOT ${feature_toggle})
     zephyr_compile_options(${ARGN})
   endif()
 endfunction()
 
+function(zephyr_compile_definitions_ifndef feature_toggle)
+  if(NOT ${feature_toggle})
+    zephyr_compile_definitions(${ARGN})
+  endif()
+endfunction()
+
+function(zephyr_include_directories_ifndef feature_toggle)
+  if(NOT ${feature_toggle})
+    zephyr_include_directories(${ARGN})
+  endif()
+endfunction()
+
+function(zephyr_library_compile_definitions_ifndef feature_toggle item)
+  if(NOT ${feature_toggle})
+    zephyr_library_compile_definitions(${item} ${ARGN})
+  endif()
+endfunction()
+
+function(zephyr_library_include_directories_ifndef feature_toggle)
+  if(NOT ${feature_toggle})
+    zephyr_library_include_directories(${ARGN})
+  endif()
+endfunction()
+
+function(zephyr_library_compile_options_ifndef feature_toggle item)
+  if(NOT ${feature_toggle})
+    zephyr_library_compile_options(${item} ${ARGN})
+  endif()
+endfunction()
+
+function(zephyr_link_interface_ifndef feature_toggle interface)
+  if(NOT ${feature_toggle})
+    target_link_libraries(${interface} INTERFACE zephyr_interface)
+  endif()
+endfunction()
+
+function(zephyr_library_link_libraries_ifndef feature_toggle item)
+  if(NOT ${feature_toggle})
+     zephyr_library_link_libraries(${item})
+  endif()
+endfunction()
+
+function(zephyr_linker_sources_ifndef feature_toggle)
+  if(NOT ${feature_toggle})
+    zephyr_linker_sources(${ARGN})
+  endif()
+endfunction()
+
+macro(list_append_ifndef feature_toggle list)
+  if(NOT ${feature_toggle})
+    list(APPEND ${list} ${ARGN})
+  endif()
+endmacro()
+
 # 3.3. *_option Compiler-compatibility checks
 #
 # Utility functions for silently omitting compiler flags when the