#!/bin/bash

# Derived from all_syscalls.

set -e
set -o pipefail

SED="$1"
shift
OUTPUT="$1"
shift
ERRNO_INCLUDES="
#include <sys/errno.h>
"

trap 'rm -f $OUTPUT $OUTPUT.deps' ERR

"$@" -MD -MF "$OUTPUT.deps" <<< "$ERRNO_INCLUDES" -dM -E - \
	| "$SED" -n -e 's/^[ \t]*#define[ \t]*E\([^ ]*\).*$/UL_ERRNO("E\1", E\1)/p' \
	| sort \
	> "$OUTPUT"