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configure: don't override the selected host test compiler if defined 

There are not many cases you would want to do this but one is if you
want to use a test friendly compiler like gcc instead of a system
compiler like clang. Either way we should honour the users choice if
they have made it.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Warner Losh <imp@bsdimp.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20210917162332.3511179-2-alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2021-09-17 17:23:22 +01:00
parent c09124dcb8
commit 9557af9ce9
1 changed files with 4 additions and 2 deletions
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6
configure vendored
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@ -1686,8 +1686,10 @@ case "$cpu" in
# No special flags required for other host CPUs
esac
eval "cross_cc_${cpu}=\$cc"
cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
if eval test -z "\${cross_cc_$cpu}"; then
eval "cross_cc_${cpu}=\$cc"
cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
fi
# For user-mode emulation the host arch has to be one we explicitly
# support, even if we're using TCI.