enable incremental builds (#3292)

ray-project · Nov 13, 2018 · ce6e01b · ce6e01b
1 parent bd0dbde
commit ce6e01b
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diff --git a/build.sh b/build.sh
@@ -104,6 +104,7 @@ pushd "$BUILD_DIR"
 # avoid the command failed and exits
 # and cmake will check some directories to determine whether some targets built
 make clean || true
+rm -rf external/arrow-install
 
 cmake -DCMAKE_BUILD_TYPE=$CBUILD_TYPE \
       -DCMAKE_RAY_LANG_JAVA=$RAY_BUILD_JAVA \

diff --git a/cmake/Modules/ArrowExternalProject.cmake b/cmake/Modules/ArrowExternalProject.cmake
@@ -92,6 +92,7 @@ ExternalProject_Add(arrow_ep
   DEPENDS flatbuffers boost glog
   GIT_REPOSITORY ${arrow_URL}
   GIT_TAG ${arrow_TAG}
+  UPDATE_COMMAND ""
   ${ARROW_CONFIGURE}
   BUILD_BYPRODUCTS "${ARROW_SHARED_LIB}" "${ARROW_STATIC_LIB}")