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configure: Avoid use of nonstandard features of sed

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Standard sed does not support EREs.

Fixes #7310.
This commit is contained in:
Mark Thompson 2018-12-02 23:31:50 +00:00
parent 5d8df52c45
commit 2f6b1806ce
1 changed files with 1 additions and 2 deletions
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3
configure vendored
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@ -3725,8 +3725,7 @@ find_things_extern(){
find_filters_extern(){
file=$source_path/$1
#sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(\w\+\);/\2_filter/p" $file
sed -E -n "s/^extern AVFilter ff_([avfsinkrc]{2,5})_([a-zA-Z0-9_]+);/\2_filter/p" $file
sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file
}
FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)