API: Add dependency on compiler for API .json and .api generation.

[vpp.git] / src / cmake / api.cmake

diff --git a/src/cmake/api.cmake b/src/cmake/api.cmake
index d799c54..dac2a7d 100644 (file)
--- a/src/cmake/api.cmake
+++ b/src/cmake/api.cmake
@@ -17,11 +17,14 @@
 function(vpp_generate_api_c_header file)
   set (output_name ${CMAKE_CURRENT_BINARY_DIR}/${file}.h)
   get_filename_component(output_dir ${output_name} DIRECTORY)
+  if(NOT VPP_APIGEN)
+     set(VPP_APIGEN ${CMAKE_SOURCE_DIR}/tools/vppapigen/vppapigen)
+  endif()
   add_custom_command (OUTPUT ${output_name}
     COMMAND mkdir -p ${output_dir}
-    COMMAND ${CMAKE_SOURCE_DIR}/tools/vppapigen/vppapigen
+    COMMAND ${VPP_APIGEN}
     ARGS --includedir ${CMAKE_SOURCE_DIR} --input ${CMAKE_CURRENT_SOURCE_DIR}/${file} --output ${output_name}
-    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${file}
+    DEPENDS ${VPP_APIGEN} ${CMAKE_CURRENT_SOURCE_DIR}/${file}
     COMMENT "Generating API header ${output_name}"
   )
 endfunction()
@@ -29,11 +32,14 @@ endfunction()
 function(vpp_generate_api_json_header file dir component)
   set (output_name ${CMAKE_CURRENT_BINARY_DIR}/${file}.json)
   get_filename_component(output_dir ${output_name} DIRECTORY)
+  if(NOT VPP_APIGEN)
+     set(VPP_APIGEN ${CMAKE_SOURCE_DIR}/tools/vppapigen/vppapigen)
+  endif()
   add_custom_command (OUTPUT ${output_name}
     COMMAND mkdir -p ${output_dir}
-    COMMAND ${CMAKE_SOURCE_DIR}/tools/vppapigen/vppapigen
+    COMMAND ${VPP_APIGEN}
     ARGS --includedir ${CMAKE_SOURCE_DIR} --input ${CMAKE_CURRENT_SOURCE_DIR}/${file} JSON --output ${output_name}
-    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${file}
+    DEPENDS ${VPP_APIGEN} ${CMAKE_CURRENT_SOURCE_DIR}/${file}
     COMMENT "Generating API header ${output_name}"
   )
   install(