kou commented on a change in pull request #12457:
URL: https://github.com/apache/arrow/pull/12457#discussion_r812392822
##########
File path: cpp/src/arrow/engine/CMakeLists.txt
##########
@@ -34,78 +28,15 @@ set(ARROW_ENGINE_SRCS
substrait/relation_internal.cc
substrait/type_internal.cc)
-set(SUBSTRAIT_LOCAL_DIR "${CMAKE_CURRENT_BINARY_DIR}/substrait")
-set(SUBSTRAIT_GEN_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated")
-set(SUBSTRAIT_PROTOS
- capabilities
- expression
- extensions/extensions
- function
- parameterized_types
- plan
- relations
- type
- type_expressions)
-
-externalproject_add(substrait_ep
- GIT_REPOSITORY "${ARROW_SUBSTRAIT_REPO}"
- GIT_TAG "${ARROW_SUBSTRAIT_TAG}"
- SOURCE_DIR "${SUBSTRAIT_LOCAL_DIR}"
- CONFIGURE_COMMAND ""
- BUILD_COMMAND ""
- INSTALL_COMMAND "")
-
-set(SUBSTRAIT_SUPPRESSED_WARNINGS)
-if(MSVC)
- # Protobuf generated files trigger some spurious warnings on MSVC.
-
- # Implicit conversion from uint64_t to uint32_t:
- list(APPEND SUBSTRAIT_SUPPRESSED_WARNINGS "/wd4244")
-
- # Missing dll-interface:
- list(APPEND SUBSTRAIT_SUPPRESSED_WARNINGS "/wd4251")
-endif()
-
-file(MAKE_DIRECTORY "${SUBSTRAIT_GEN_DIR}/substrait")
-
-set(SUBSTRAIT_PROTO_GEN_ALL)
-foreach(SUBSTRAIT_PROTO ${SUBSTRAIT_PROTOS})
- set(SUBSTRAIT_PROTO_GEN
"${SUBSTRAIT_GEN_DIR}/substrait/${SUBSTRAIT_PROTO}.pb")
-
- foreach(EXT h cc)
- set_source_files_properties("${SUBSTRAIT_PROTO_GEN}.${EXT}"
- PROPERTIES COMPILE_OPTIONS
- "${SUBSTRAIT_SUPPRESSED_WARNINGS}"
- GENERATED TRUE
- SKIP_UNITY_BUILD_INCLUSION TRUE)
- add_custom_command(OUTPUT "${SUBSTRAIT_PROTO_GEN}.${EXT}"
- COMMAND ${ARROW_PROTOBUF_PROTOC}
"-I${SUBSTRAIT_LOCAL_DIR}/proto"
- "--cpp_out=${SUBSTRAIT_GEN_DIR}"
-
"${SUBSTRAIT_LOCAL_DIR}/proto/substrait/${SUBSTRAIT_PROTO}.proto"
- DEPENDS ${PROTO_DEPENDS} substrait_ep)
- list(APPEND SUBSTRAIT_PROTO_GEN_ALL "${SUBSTRAIT_PROTO_GEN}.${EXT}")
- endforeach()
-
- list(APPEND ARROW_ENGINE_SRCS "${SUBSTRAIT_PROTO_GEN}.cc")
-endforeach()
-
-add_custom_target(substrait_gen ALL DEPENDS ${SUBSTRAIT_PROTO_GEN_ALL})
-
-find_package(Git)
-add_custom_target(substrait_gen_verify
- COMMENT "Verifying that generated substrait accessors are
consistent with \
-
ARROW_SUBSTRAIT_REPO_AND_TAG='${ARROW_SUBSTRAIT_REPO_AND_TAG}'"
- COMMAND ${GIT_EXECUTABLE} diff --exit-code
${SUBSTRAIT_GEN_DIR}
- DEPENDS substrait_gen_clear
- DEPENDS substrait_gen)
-
add_arrow_lib(arrow_engine
CMAKE_PACKAGE_NAME
ArrowEngine
PKG_CONFIG_NAME
arrow-engine
OUTPUTS
ARROW_ENGINE_LIBRARIES
+ DEPENDENCIES
+ substrait
Review comment:
It seems that this is a problem of our `add_arrow_lib()`:
```diff
diff --git a/cpp/cmake_modules/BuildUtils.cmake
b/cpp/cmake_modules/BuildUtils.cmake
index 391c43e0ac..7517e4e806 100644
--- a/cpp/cmake_modules/BuildUtils.cmake
+++ b/cpp/cmake_modules/BuildUtils.cmake
@@ -374,6 +374,13 @@ function(ADD_ARROW_LIB LIB_NAME)
"$<INSTALL_INTERFACE:${ARG_SHARED_INSTALL_INTERFACE_LIBS}>"
LINK_PRIVATE
${ARG_SHARED_PRIVATE_LINK_LIBS})
+ if(USE_OBJLIB)
+ foreach(ARG_SHARED_LINK_LIB ${ARG_SHARED_LINK_LIBS})
+ if(TARGET ${ARG_SHARED_LINK_LIB})
+ add_dependencies(${LIB_NAME}_objlib ${ARG_SHARED_LINK_LIB})
+ endif()
+ endforeach()
+ endif()
if(ARROW_RPATH_ORIGIN)
if(APPLE)
@@ -449,6 +456,13 @@ function(ADD_ARROW_LIB LIB_NAME)
if(ARG_STATIC_LINK_LIBS)
target_link_libraries(${LIB_NAME}_static LINK_PRIVATE
"$<BUILD_INTERFACE:${ARG_STATIC_LINK_LIBS}>")
+ if(USE_OBJLIB)
+ foreach(ARG_STATIC_LINK_LIB ${ARG_STATIC_LINK_LIBS})
+ if(TARGET ${ARG_STATIC_LINK_LIB})
+ add_dependencies(${LIB_NAME}_objlib ${ARG_STATIC_LINK_LIB})
+ endif()
+ endforeach()
+ endif()
endif()
install(TARGETS ${LIB_NAME}_static ${INSTALL_IS_OPTIONAL}
diff --git a/cpp/src/arrow/engine/CMakeLists.txt
b/cpp/src/arrow/engine/CMakeLists.txt
index 13d50b4244..edb878939f 100644
--- a/cpp/src/arrow/engine/CMakeLists.txt
+++ b/cpp/src/arrow/engine/CMakeLists.txt
@@ -35,8 +35,6 @@ add_arrow_lib(arrow_engine
arrow-engine
OUTPUTS
ARROW_ENGINE_LIBRARIES
- DEPENDENCIES
- substrait
SOURCES
${ARROW_ENGINE_SRCS}
PRECOMPILED_HEADERS
```
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