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emacs/m4/ieee754-h.m4
2022-01-01 02:45:51 -05:00

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# Configure ieee754-h module
dnl Copyright 2018-2022 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.
AC_DEFUN([gl_IEEE754_H],
[
AC_REQUIRE([AC_C_BIGENDIAN])
AC_CHECK_HEADERS_ONCE([ieee754.h])
if test $ac_cv_header_ieee754_h = yes; then
IEEE754_H=
else
IEEE754_H=ieee754.h
AC_DEFINE([_GL_REPLACE_IEEE754_H], 1,
[Define to 1 if <ieee754.h> is missing.])
fi
AC_SUBST([IEEE754_H])
AM_CONDITIONAL([GL_GENERATE_IEEE754_H], [test -n "$IEEE754_H"])
])