nealrichardson commented on a change in pull request #9666:
URL: https://github.com/apache/arrow/pull/9666#discussion_r590815532
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File path: cpp/build-support/trim-boost.sh
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@@ -22,7 +22,15 @@
# so that we don't have to download the whole big boost project when we build
# boost from source.
#
-# After running this script, run upload-boost.sh to put the bundle on bintray
+# To test building Arrow locally with the boost bundle this creates, add:
+#
+# set(BOOST_SOURCE_URL
/path/to/arrow/cpp/build-support/boost_1_75_0/boost_1_75_0.tar.gz)
+#
+# to the beginning of the build_boost() macro in ThirdpartyToolchain.cmake
Review comment:
ok, I'll note that
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