Merge pull request #2250 from bitshares/fix-egenesis-generation

Use add_custom_target to generate egenesis files

libraries/egenesis/CMakeLists.txt

@@ -1,13 +1,11 @@
-message( STATUS "Generating egenesis" )
-
 if( GRAPHENE_EGENESIS_JSON )
   set( embed_genesis_args "${GRAPHENE_EGENESIS_JSON}" )
 else( GRAPHENE_EGENESIS_JSON )
   set( embed_genesis_args "genesis.json" )
 endif( GRAPHENE_EGENESIS_JSON )
 
-add_custom_command(
-   OUTPUT
+add_custom_target( build_egenesis_cpp
+   BYPRODUCTS
       "${CMAKE_CURRENT_BINARY_DIR}/egenesis_brief.cpp"
       "${CMAKE_CURRENT_BINARY_DIR}/egenesis_full.cpp"
    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
@@ -16,6 +14,7 @@ add_custom_command(
         -DINIT_SOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR}
         -Dembed_genesis_args=${embed_genesis_args}
         -P ${CMAKE_CURRENT_SOURCE_DIR}/embed_genesis.cmake
+   COMMENT "Generating egenesis"
    DEPENDS
       "${GRAPHENE_EGENESIS_JSON}"
       "${CMAKE_CURRENT_SOURCE_DIR}/egenesis_brief.cpp.tmpl"
@@ -26,8 +25,10 @@ add_library( graphene_egenesis_none egenesis_none.cpp
              include/graphene/egenesis/egenesis.hpp )
 add_library( graphene_egenesis_brief "${CMAKE_CURRENT_BINARY_DIR}/egenesis_brief.cpp"
              include/graphene/egenesis/egenesis.hpp )
+add_dependencies( graphene_egenesis_brief build_egenesis_cpp )
 add_library( graphene_egenesis_full  "${CMAKE_CURRENT_BINARY_DIR}/egenesis_full.cpp"
              include/graphene/egenesis/egenesis.hpp )
+add_dependencies( graphene_egenesis_full build_egenesis_cpp )
 
 target_link_libraries( graphene_egenesis_none graphene_chain fc )
 target_link_libraries( graphene_egenesis_brief graphene_chain fc )