float_h.m4
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float_h.m4
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	# float_h.m4 serial 7
	dnl Copyright (C) 2007, 2009-2011 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_FLOAT_H],
	[
	AC_REQUIRE([AC_PROG_CC])
	AC_REQUIRE([AC_CANONICAL_HOST])
	FLOAT_H=
	REPLACE_FLOAT_LDBL=0
	case "$host_os" in
	aix* \| beos* \| openbsd* \| mirbsd* \| irix*)
	FLOAT_H=float.h
	;;
	freebsd*)
	case "$host_cpu" in
	changequote(,)dnl
	i[34567]86 )
	changequote([,])dnl
	FLOAT_H=float.h
	;;
	x86_64 )
	# On x86_64 systems, the C compiler may still be generating
	# 32-bit code.
	AC_EGREP_CPP([yes],
	[#if defined __LP64__ \|\| defined __x86_64__ \|\| defined __amd64__
	yes
	#endif],
	[],
	[FLOAT_H=float.h])
	;;
	esac
	;;
	esac
	case "$host_os" in
	aix* \| freebsd*)
	if test -n "$FLOAT_H"; then
	REPLACE_FLOAT_LDBL=1
	fi
	;;
	esac
	if test -n "$FLOAT_H"; then
	gl_NEXT_HEADERS([float.h])
	fi
	AC_SUBST([FLOAT_H])
	AM_CONDITIONAL([GL_GENERATE_FLOAT_H], [test -n "$FLOAT_H"])
	])