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Use system rustc if configured with --enable-local-rust

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This commit makes the configuration system autodetect a rustc that
is already installed and use that instead of downloading a snapshot.
This commit is contained in:
Gioele Barabucci 2014-08-07 14:00:35 +02:00
parent 8a02304a44
commit ddeb3db872
1 changed files with 12 additions and 4 deletions
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16
configure vendored
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@ -557,13 +557,21 @@ fi
if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
then
if [ ! -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
system_rustc=$(which rustc)
if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
then
err "no local rust to use"
: # everything already configured
elif [ -n "$system_rustc" ]
then
# we assume that rustc is in a /bin directory
CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
else
LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} --version`
step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
err "no local rust to use"
fi
LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} --version`
step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
putvar CFG_LOCAL_RUST_ROOT
fi
# Force freebsd to build with clang; gcc doesn't like us there