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#!/bin/sh set -e tags= if ${CC:-cc} -x c - -o/dev/null -lnotmuch 2>/dev/null; then tags="$tags,notmuch" fi <<EOF #include <notmuch.h> void main(void) { notmuch_status_to_string(NOTMUCH_STATUS_SUCCESS); } EOF if [ -n "$tags" ]; then printf -- '-tags=%s\n' "${tags#,}" fi