diff options
Diffstat (limited to 'dev-libs/fftw/fftw-2.1.5.ebuild')
| -rw-r--r-- | dev-libs/fftw/fftw-2.1.5.ebuild | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/dev-libs/fftw/fftw-2.1.5.ebuild b/dev-libs/fftw/fftw-2.1.5.ebuild index 9ab307695581..800b605dafa2 100644 --- a/dev-libs/fftw/fftw-2.1.5.ebuild +++ b/dev-libs/fftw/fftw-2.1.5.ebuild @@ -1,6 +1,8 @@ # Copyright 1999-2003 Gentoo Technologies, Inc. # Distributed under the terms of the GNU General Public License v2 -# $Header: /var/cvsroot/gentoo-x86/dev-libs/fftw/fftw-2.1.5.ebuild,v 1.1 2003/03/25 08:17:10 george Exp $ +# $Header: /var/cvsroot/gentoo-x86/dev-libs/fftw/fftw-2.1.5.ebuild,v 1.2 2003/05/07 22:47:54 george Exp $ + +inherit flag-o-matic IUSE="mpi" @@ -16,6 +18,24 @@ LICENSE="GPL-2" #remove ~'s on ppc and sparc when removig on x86 (as per recent discussion on -core) KEYWORDS="~x86 ~ppc ~sparc ~alpha" +#this one is reported to cause trouble on pentium4 m series +filter-flags "-mfpmath=sse" + +#here I need (surprise) to increase optimization: +#--enable-i386-hacks requires -fomit-frame-pointer to work properly +export CFLAGS="${CFLAGS/-fomit-frame-pointer/} -fomit-frame-pointer" + +pkg_setup() { + einfo "" + einfo "This ebuild installs double and single precision versions of library" + einfo "This involves some name mangling, as supported by package and required" + einfo "by some apps that use it." + einfo "By default, the symlinks to non-mangled names will be created off" + einfo "double-precision version. In order to symlink to single-precision use" + einfo "SINGLE=yes emerge fftw" + einfo "" +} + src_unpack() { #doc suggests installing single and double precision versions via separate compilations #will do in two separate source trees @@ -32,11 +52,6 @@ src_unpack() { src_compile() { - - #here I need (surprise) to increase optimization: - #--enable-i386-hacks requires -fomit-frame-pointer to work properly - export CFLAGS="${CFLAGS/-fomit-frame-pointer/} -fomit-frame-pointer" - local myconf="" use mpi && myconf="${myconf} --enable-mpi" #mpi is not a valid flag yet. In this revision it is used merely to block --enable-mpi option |