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8201508: Macosx builds fail in GenerateLinkOptData.gmk

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Reviewed-by: tbell
This commit is contained in:
Erik Joelsson 2018-04-12 15:26:59 -07:00
parent 7b9950f8cb
commit 9ec65a4f0f
1 changed files with 8 additions and 2 deletions
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10
make/autoconf/basics.m4
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@ -107,10 +107,16 @@ AC_DEFUN([BASIC_GET_NON_MATCHING_VALUES],
[
# grep filter function inspired by a comment to http://stackoverflow.com/a/1617326
# Notice that the original variant fails on SLES 10 and 11
# Some grep versions (at least bsd) behaves strangely on the base case with
# no legal_values, so make it explicit.
values_to_check=`$ECHO $2 | $TR ' ' '\n'`
legal_values=`$ECHO $3 | $TR ' ' '\n'`
result=`$GREP -Fvx "$legal_values" <<< "$values_to_check" | $GREP -v '^$'`
$1=${result//$'\n'/ }
if test -z "$legal_values"; then
$1="$2"
else
result=`$GREP -Fvx "$legal_values" <<< "$values_to_check" | $GREP -v '^$'`
$1=${result//$'\n'/ }
fi
])
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