jonkeane commented on code in PR #55461:
URL: https://github.com/apache/arrow/pull/55461#discussion_r4525553193
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r/tools/nixlibs.R:
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@@ -871,6 +874,39 @@ set_thirdparty_urls <- function(env_var_list) {
env_var_list
}
+with_vendored_dependencies <- function(env_var_list) {
+ # libarrow requires some thirdparty dependencies, even for a minimal build.
+ # The libarrow build uses them from the system if they are available and
+ # otherwise builds them from source, downloading from ARROW_*_URL. To make
sure
+ # that works without network access, `make sync-cpp` saves their source
+ # tarballs into vendored_dependency_dir and we point ARROW_*_URL at them
here.
+ # This does not change whether the system versions are used.
Review Comment:
```suggestion
# libarrow requires some thirdparty dependencies, even for a minimal build.
# The libarrow build uses them from the system if they are available and
# otherwise builds them from source, downloading from ARROW_*_URL. To make
sure
# that works without network access, `make sync-cpp` saves their source
# tarballs into vendored_dependency_dir and we point ARROW_*_URL at them
here.
# This does not change whether the system versions are used.
with_vendored_dependencies <- function(env_var_list) {
```
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