Date: Wed, 8 Aug 2018 10:07:53 +0000 From: Anton Shterenlikht <as@cmplx.uk> To: =?utf-8?Q?T=C4=B3l?= Coosemans <tijl@FreeBSD.org> Cc: Anton Shterenlikht <as@cmplx.uk>, freebsd-fortran@freebsd.org Subject: Re: autotools & Fortran Message-ID: <20180808100753.GA8136@jail0199.vps.exonetric.net> In-Reply-To: <20180807123139.1cdce2d3@kalimero.tijl.coosemans.org> References: <201808061546.w76FkgbJ065837@jail0199.vps.exonetric.net> <20180807123139.1cdce2d3@kalimero.tijl.coosemans.org>
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Tijl On Tue, Aug 07, 2018 at 12:31:39PM +0200, Tijl Coosemans wrote: > On Mon, 6 Aug 2018 15:46:42 GMT Anton Shterenlikht <as@cmplx.uk> wrote: > > Hello > > > > I've several questions on using autotools > > in Fortran projects. Perhaps somebody can > > answer here or point to existing examples. > > > > 1. I have something like this right now: > > > > use, intrinsic :: iso_fortran_env > > integer, parameter :: fk = real32 > > > > What I want is to set fk to "real32", "real64" or "real128" > > via autotools, so that I can build with 3 different > > real kinds via a command line option. > > > > Ideally I want to avoid preprocessing. > > > > Is this feasible? > > use, intrinsic :: iso_fortran_env > integer, parameter :: fk = @REAL_TYPE@ > > % mv filename filename.in > > And in configure.ac: > > AC_SUBST([REAL_TYPE],[real32]) > AC_CONFIG_FILES([filename]) Thank you! Anton
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