@@ -393,6 +393,12 @@ require(){

     check_lib $header $func "$@" || die "ERROR: $name not found"

 }

+apply(){

+    file=$1

+    shift

+    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"

+}

+

 CONFIG_LIST='

     encoders

     decoders

@@ -2105,6 +2111,6 @@ if test "$swscaler" != "no"; then

 else

   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale

   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"

-  sed -i s/^Libs:.*$/Libs:/ libswscale.pc

-  sed -i s/^Libs:.*$/Libs:/ libswscale-uninstalled.pc

+  apply libswscale.pc sed s/^Libs:.*$/Libs:/

+  apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/

 fi