# $Header: /magellan-cvs/smage/fftw/fftw-2.1.5-r7.smage2,v 1.1 2008/05/31 17:48:24 niro Exp $

PNAME="fftw"
PVER="2.1.5"
PBUILD="r7"

PCATEGORIE="sci-libs"
STATE="unstable"

DESCRIPTION="FTW is a C subroutine library for computing the discrete Fourier transform (DFT)."
HOMEPAGE="http://www.fftw.org/"

DEPEND=">= virtual/glibc"

SRCFILE="${PNAME}-${PVER}.tar.gz"
SRCDIR="${BUILDDIR}/${PNAME}-${PVER}"

sminclude mtools

SRC_URI=(
	http://www.fftw.org/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
)

# --enable-i386-hacks requires -fomit-frame-pointer to work properly
export CFLAGS="${CFLAGS} -fomit-frame-pointer"
export CXXFLAGS="${CFLAGS}"

src_prepare()
{
	munpack ${SRCFILE} || die
	mv ${SRCDIR} ${SRCDIR}-single || die

	munpack ${SRCFILE} || die
	mv ${SRCDIR} ${SRCDIR}-double || die
}

src_compile()
{
	local myconf
	[[ ${ARCH} = i*86 ]] && myconf="--enable-i386-hacks"

	cd ${SRCDIR}-single
	mconfigure \
		--enable-shared \
		--enable-threads \
		--enable-type-prefix \
		--enable-vec-recurse \
		--enable-float \
		${myconf} \
		|| die

	mmake || die

	cd ${SRCDIR}-double
	mconfigure \
		--enable-shared \
		--enable-threads \
		--enable-type-prefix \
		--enable-vec-recurse \
		${myconf} \
		|| die

	mmake || die
}

src_install ()
{
	cd ${SRCDIR}-single
	mmake DESTDIR=${BINDIR} install || die

	cd ${SRCDIR}-double
	mmake DESTDIR=${BINDIR} install || die

	# there's a small bug in minstalldocs,
	# so we move this dir back ${SRCDIR}
	mv ${SRCDIR}-double ${SRCDIR} || die

	minstalldocs AUTHORS COPYING COPYRIGHT ChangeLog NEWS README TODO || die

	# creating some neccessary symlinks
	# includes
	mlink dfftw.h /usr/include/fftw.h || die
	mlink drfftw.h /usr/include/rfftw.h || die
	mlink dfftw_threads.h /usr/include/fftw_threads.h || die
	mlink drfftw_threads.h /usr/include/rfftw_threads.h || die

	# libs
	mlink libdfftw.so /usr/$(mlibdir)/libfftw.so || die
	mlink libdrfftw.so /usr/$(mlibdir)/librfftw.so || die
	mlink libdfftw_threads.so /usr/$(mlibdir)/libfftw_threads.so || die
	mlink libdrfftw_threads.so /usr/$(mlibdir)/librfftw_threads.so || die

	# missing include
	minstallfile fortran/fftw_f77.i /usr/include || die
}