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# byteswap.m4 serial 4
dnl Copyright (C) 2005, 2007, 2009-2021 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Written by Oskar Liljeblad.
AC_DEFUN([gl_BYTESWAP],
[
dnl Prerequisites of lib/byteswap.in.h.
AC_CHECK_HEADERS([byteswap.h], [
BYTESWAP_H=''
], [
BYTESWAP_H='byteswap.h'
])
AC_SUBST([BYTESWAP_H])
AM_CONDITIONAL([GL_GENERATE_BYTESWAP_H], [test -n "$BYTESWAP_H"])
])
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