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#!/bin/sh
# Copyright © Tavian Barnes <tavianator@tavianator.com>
# SPDX-License-Identifier: 0BSD
# Add flags to a makefile if a build succeeds
set -eu
build/cc.sh "$@" || exit 1
# If the build succeeded, print any lines like
#
# /// _CFLAGS += -foo
#
# (unless they're already set)
OLD_FLAGS="$XCC $XCPPFLAGS $XCFLAGS $XLDFLAGS $XLDLIBS"
while IFS="" read -r line; do
case "$line" in
///*=*)
flag="${line#*= }"
if [ "${OLD_FLAGS#*"$flag"}" = "$OLD_FLAGS" ]; then
printf '%s\n' "${line#/// }"
fi
;;
esac
done <"$1"
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