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configure: Fix detection of 32-bit Linux userspace #23650

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Merged
merged 1 commit into from
Mar 24, 2015
Merged

configure: Fix detection of 32-bit Linux userspace #23650

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15 changes: 12 additions & 3 deletions configure
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Original file line number Diff line number Diff line change
Expand Up @@ -479,10 +479,19 @@ esac
# Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
then
file -L "$SHELL" | grep -q "x86[_-]64"
if [ $? != 0 ]; then
CFG_CPUTYPE=i686
# $SHELL does not exist in standard 'sh', so probably only exists
# if configure is running in an interactive bash shell. /usr/bin/env
# exists *everywhere*.
BIN_TO_PROBE="$SHELL"
if [ -z "$BIN_TO_PROBE" -a -e "/usr/bin/env" ]; then
BIN_TO_PROBE="/usr/bin/env"
fi
if [ -n "$BIN_TO_PROBE" ]; then
file -L "$BIN_TO_PROBE" | grep -q "x86[_-]64"
if [ $? != 0 ]; then
CFG_CPUTYPE=i686
fi
fi
fi


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