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12 changes: 12 additions & 0 deletions configure
Original file line number Diff line number Diff line change
Expand Up @@ -899,6 +899,18 @@ then
fi
fi

# If the clang isn't already enabled, check for GCC, and if it is missing, turn
# on clang as a backup.
if [ -z "$CFG_ENABLE_CLANG" ]
then
CFG_GCC_VERSION=$("$CFG_GCC" --version 2>&1)
if [ $? -ne 0 ]
then
step_msg "GCC not installed, will try using Clang"
CFG_ENABLE_CLANG=1
fi
fi

# Okay, at this point, we have made up our minds about whether we are
# going to force CFG_ENABLE_CLANG or not; save the setting if so.
if [ ! -z "$CFG_ENABLE_CLANG" ]
Expand Down