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configure relies on 'which' to determine what's installed but 'which' isn't always installed #13147
Description
The configure script first validates that all the commands it needs exist. It does this with the which command, which itself doesn't always exist (tested on a stock EC2 fedora 20 image). Per @thestinger, sh has the command -v builtin that is equivalent for this purpose.
Activity
auto merge of #13193 : pongad/rust/fixconfig, r=thestinger
Use command -v rather than which
Auto merge of rust-lang#13147 - lowr:fix/dyn-ty-inherent-methods, r=V…
Try to fix crash introduced in rust-lang#13147
Auto merge of rust-lang#13257 - rust-lang:revert-13147-fix/dyn-ty-inh…
Auto merge of rust-lang#13208 - alex-semenyuk:fix_doc_from_iter_inste…