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# Created by: bf@FreeBSD.org
# $FreeBSD$

PORTNAME=   sfft
PORTVERSION=    0.1.0
CATEGORIES= math
MASTER_SITES=   http://spiral.net/software/sfft/ LOCAL/bf
DISTFILES=  ${DISTNAME}${EXTRACT_SUFX}
EXTRACT_ONLY=   ${DISTNAME}${EXTRACT_SUFX}

MAINTAINER= bf@FreeBSD.org
COMMENT=    Optimized Sparse Fast Fourier Transform

LICENSE=    GPLv2

LIB_DEPENDS=    libfftw3.so:${PORTSDIR}/math/fftw3

USE_GCC=    yes
USE_LDCONFIG=   yes
USE_ZIP=    yes

OPTIONS_DEFINE=     OPTIMIZED_CFLAGS PROFILE
OPTIONS_DEFAULT=    OPTIMIZED_CFLAGS

BUILD_WRKSRC=   ${WRKSRC}/src
INSTALL_WRKSRC= ${BUILD_WRKSRC}
CFLAGS+=    -fopenmp -msse2 -Iflopcount -I${LOCALBASE}/include
LDFLAGS+=   -L${LOCALBASE}/lib
HEADERS=    sfft.h
HDIR=       include/sfft
MAKE_ENV=   LDADD="-lfftw3 ${LIBM}" LIB=sfft SHLIB_MAJOR="${SHLIB_MAJOR}" \
        SRCCONF=/dev/null SRCS="${SRCS}"

PLIST_DIRS= ${HDIR}
PLIST_FILES=    ${HEADERS:S|^|${HDIR}/|} lib/libsfft.a lib/libsfft.so \
        lib/libsfft.so.${SHLIB_MAJOR}

SHLIB_MAJOR=    1
SRCS=   common.cc computefourier-1.0-2.0.cc \
    computefourier-3.0.cc fftw.cc filters.cc parameters.cc \
    sfft.cc simulation.cc timer.cc utils.cc

.include <bsd.port.options.mk>

.if !${ARCH:Mamd64} && !${MACHINE_CPU:Msse2}
IGNORE= this port requires SSE2, and benefits from SSE3 -- set CPUTYPE\
appropriately
.endif

LIBM=   -lm
.if ${OSVERSION} < 1000034
LIB_DEPENDS+=   libmissing.so:${PORTSDIR}/math/libmissing
LIBM+=      -lmissing
.endif

.if ${PORT_OPTIONS:MDOCS} || make(makesum)
DISTFILES+= sfft-doc.pdf
PORTDOCS=   sfft-doc.pdf
.endif

.if ${PORT_OPTIONS:MOPTIMIZED_CFLAGS}
CFLAGS+=    -O3 -ffast-math
.endif

.if ${PORT_OPTIONS:MPROFILE}
.if defined(NOPROFILE) || defined(NO_PROFILE) || defined(WITHOUT_PROFILE)
IGNORE =    you have defined WITH_PROFILE, but have also defined\
WITHOUT_PROFILE, NOPROFILE, or NO_PROFILE
.elif !exists(/usr/lib/libc_p.a)
IGNORE  =   you have chosen WITH_PROFILE, but have not installed the\
base system profiling libraries
.endif
PLIST_FILES+=   lib/libsfft_p.a
.else
MAKE_ENV+=  NO_PROFILE=yes
.endif

post-extract:
    @${CP} /usr/include/complex.h ${BUILD_WRKSRC}/sfftcomplex.h
    @${PRINTF} "LIBDIR=\t${PREFIX}/lib\n.include <bsd.lib.mk>\n" > \
        ${BUILD_WRKSRC}/Makefile

post-patch:
    @${REINPLACE_CMD} -e 's/string\.h/cstring/' \
        ${WRKSRC}/src/utils.cc
.if ${OSVERSION} < 1000034
    @${REINPLACE_CMD} -e '\|<complex.h>|{x; \
    s|^.*$$|#include "missing_complex.h"|; H; x;}' \
        ${WRKSRC}/src/fft.h
.endif
    @${REINPLACE_CMD} -E -e '/<complex\.h>/ \
    {s/<complex\.h>/ "sfftcomplex.h"/; x ; \
    s|^.*$$|#endif|; G; x; \
    s|^.*$$|extern "C" {|; G; x; \
    s|^.*$$|#ifdef __cplusplus|; G; x; \
    s|^.*$$|#ifdef __cplusplus|; H; \
    s|^.*$$|}|; H; \
    s|^.*$$|#endif|; H; x;}' \
        ${WRKSRC}/src/computefourier-1.0-2.0.h \
        ${WRKSRC}/src/computefourier-3.0.h \
        ${WRKSRC}/src/fft.h

CORELIMIT?= /usr/bin/limits -Sc 0

check regression-test test: build
    @cd ${BUILD_WRKSRC}; \
    ${CXX} ${CXXFLAGS} -o sfft-verification verification.cc \
    ${LDFLAGS} libsfft.a -lfftw3 ${LIBM} ; \
    for _v in 1 2 3 ; do \
    for _k in 5 10 50; do \
    echo "Checking sfft version $${_v} with $${_k} frequency components:"; \
    ${CORELIMIT} ./sfft-verification -k $${_k} -r 3 -v $${_v} || ${TRUE} ; \
    done ; done

post-install:
    @${MKDIR} ${PREFIX}/${HDIR}
    @cd ${BUILD_WRKSRC}; ${INSTALL_DATA} ${HEADERS} ${PREFIX}/${HDIR}
.if ${PORT_OPTIONS:MDOCS}
    @${MKDIR} ${DOCSDIR}
    @${INSTALL_DATA} ${_DISTDIR}/${PORTDOCS} ${DOCSDIR}
.endif

.include <bsd.port.mk>