Date: Tue, 7 Aug 2018 12:31:39 +0200 From: =?UTF-8?B?VMSzbA==?= Coosemans <tijl@FreeBSD.org> To: Anton Shterenlikht <as@cmplx.uk> Cc: freebsd-fortran@freebsd.org Subject: Re: autotools & Fortran Message-ID: <20180807123139.1cdce2d3@kalimero.tijl.coosemans.org> In-Reply-To: <201808061546.w76FkgbJ065837@jail0199.vps.exonetric.net> References: <201808061546.w76FkgbJ065837@jail0199.vps.exonetric.net>
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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])
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