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

PORTNAME=   kktdirect
PORTVERSION=    0.5
PORTREVISION=   5
CATEGORIES= math
MASTER_SITES=   http://www.cs.ubc.ca/~rbridson/download/ LOCAL/bf
DISTNAME=   KKTDirect${PORTVERSION}

MAINTAINER= ports@FreeBSD.org
COMMENT=    Direct solver package for saddle-point (KKT) matrices

USES=       fortran
USE_LDCONFIG=   yes

CFLAGS+=    -DUSE_FORTRAN_BLAS -DUSE_FORTRAN_LAPACK
LDFLAGS+=   -L${LOCALBASE}/lib ${LAPACK} ${BLAS} -lm
PLIST_FILES=    include/kktdirect.h lib/libkktdirect.a lib/libkktdirect_pic.a \
        lib/libkktdirect.so lib/libkktdirect.so.0

OPTIONS_DEFINE= DOCS EXAMPLES

.include <bsd.port.pre.mk>

.if ${ARCH} == "sparc64"
PICFLAG?=   -fPIC
.else
PICFLAG?=   -fpic
.endif

.if exists(${LOCALBASE}/lib/libgoto2.so)
WITH_BLAS?= gotoblas
.elif exists(${LOCALBASE}/lib/libatlas.so)
WITH_BLAS?= atlas
.else
WITH_BLAS?= reference
.endif

.if ${WITH_BLAS} == reference
LIB_DEPENDS+=   libblas.so:math/blas
LIB_DEPENDS+=   liblapack.so:math/lapack
BLAS=       -lblas
LAPACK=     -llapack
.elif ${WITH_BLAS} == gotoblas
LIB_DEPENDS+=   libgoto2p.so:math/gotoblas
BLAS=           -lgoto2p
LAPACK=     -lgoto2p
.elif ${WITH_BLAS} == atlas
LIB_DEPENDS+=   libatlas.so:math/atlas
BLAS=       -lptf77blas
LAPACK=     -lalapack -lptcblas
.endif

PORTDOCS=   kktdirect.pdf
PORTEXAMPLES=   kktsolve.cpp

post-patch:
    @${REINPLACE_CMD} -E \
    -e 's@CPP@CXX@g' \
    -e '\@^(CC|CXX) =@s@^@#@' \
    -e 's@^(C|CXX|LD)(FLAGS )(=)(.*)@\1\2+\3 $${PICFLAG}@' \
    -e 's@ar r@${AR} r@' \
    -e 's@ranlib@${RANLIB}@' \
        ${WRKSRC}/Makefile

pre-build:
    ${CP} -a ${WRKSRC} ${WRKSRC}_shared

do-build:
    @cd ${WRKSRC}_shared; ${DO_MAKE_BUILD} PICFLAG="${PICFLAG}" libkktdirect.a; \
    ${CXX} ${CXXFLAGS} -shared -Wl,-soname,libkktdirect.so.0 \
    -o ${WRKDIR}/libkktdirect.so.0 -Wl,--whole-archive libkktdirect.a \
    -Wl,--no-whole-archive -Wl,--as-needed ${LDFLAGS}; \
    ${CP} -af libkktdirect.a ${WRKDIR}/libkktdirect_pic.a
    @cd ${WRKSRC}; ${DO_MAKE_BUILD} PICFLAG="" libkktdirect.a; \
    ${CP} -af libkktdirect.a ${WRKDIR}

check regression-test test: build
    @cd ${WRKSRC}; ${DO_MAKE_BUILD} PICFLAG="" stokes ; \
    ./stokes 3

do-install:
    @${INSTALL_DATA} ${WRKSRC}/kktdirect.h ${STAGEDIR}${PREFIX}/include
    @cd ${WRKDIR} && ${INSTALL_DATA} libkktdirect.a libkktdirect_pic.a \
        ${STAGEDIR}${PREFIX}/lib
    @cd ${WRKDIR} && ${INSTALL_LIB} libkktdirect.so.0 ${STAGEDIR}${PREFIX}/lib
    @cd ${STAGEDIR}${PREFIX}/lib && ${LN} -sf libkktdirect.so.0 libkktdirect.so
.if ${PORT_OPTIONS:MDOCS}
    @${MKDIR} ${STAGEDIR}${DOCSDIR}
    @cd ${WRKSRC}; ${INSTALL_DATA} ${PORTDOCS} ${STAGEDIR}${DOCSDIR}
.endif
.if ${PORT_OPTIONS:MEXAMPLES}
    @${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
    @cd ${WRKSRC}; ${INSTALL_DATA} ${PORTEXAMPLES} ${STAGEDIR}${EXAMPLESDIR}
.endif

.include <bsd.port.post.mk>