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# Created by: b.f. <bf@FreeBSD.org>
# $FreeBSD$

PORTNAME=   trlan
PORTVERSION=    201009
CATEGORIES= math
MASTER_SITES=   https://codeforge.lbl.gov/frs/download.php/210/:1 \
        http://crd.lbl.gov/~kewu/ps/:2 \
        LOCAL/bf:1,2
DISTFILES=  ${DISTNAME}${EXTRACT_SUFX}:1 trlan-ug.pdf:2
EXTRACT_ONLY=   ${DISTNAME}${EXTRACT_SUFX}

MAINTAINER= bf@FreeBSD.org
COMMENT=    Thick-restart Lanczos method for eigenproblems

USE_FORTRAN=    yes
USE_LDCONFIG=   yes

ALL_TARGET= lib

PLIST_FILES=    lib/libtrlan.a lib/libtrlan.so lib/libtrlan.so.1

NO_STAGE=   yes
.include <bsd.port.pre.mk>

.ifndef(NOPORTDOCS)
PORTDOCS=   trlan-ug.pdf
.endif

.ifndef(NOPORTEXAMPLES)
PORTEXAMPLES=   Makefile README dense.f90 simple.f90 simple77.f simplec.c
.endif

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

post-patch:
    @${REINPLACE_CMD} -E \
        -e '/^(FC|FFLAGS)=/s/^/#/' \
        -e '/^F90=/s/=.*/=${FC}/' \
        ${WRKSRC}/Make.inc
    @${REINPLACE_CMD} -E \
        -e '/^(CC|CFLAGS|LDFLAGS|TRLAN)=/s/^/#/' \
        ${WRKSRC}/examples/SUN/Makefile
    @${REINPLACE_CMD} \
        -e 's|ar -cru|${AR} -cru|' \
        ${WRKSRC}/SRC/Makefile

do-build:
    @${ECHO_CMD} "Building static archive ..."
    @cd ${WRKSRC}; ${SETENV} ${MAKE_ENV} ${MAKE} ${_MAKE_JOBS} ${MAKE_ARGS} \
        ${ALL_TARGET}
    @${STRIP_CMD} -x -o ${WRKDIR}/libtrlan.a ${WRKSRC}/libtrlan.a
    @cd ${WRKSRC}; ${SETENV} ${MAKE_ENV} ${MAKE} ${_MAKE_JOBS} ${MAKE_ARGS} \
        clean
    @${ECHO_CMD} "Building shared library ..."
    @cd ${WRKSRC}; ${SETENV} ${MAKE_ENV} ${MAKE} ${_MAKE_JOBS} ${MAKE_ARGS} \
        ${ALL_TARGET} FFLAGS="${PICFLAG} ${FFLAGS}"
    @${FC} ${FFLAGS} ${LDFLAGS} -shared -Wl,-x  -Wl,-soname,libtrlan.so.1 \
        -o ${WRKDIR}/libtrlan.so.1 -Wl,--whole-archive \
        ${WRKSRC}/libtrlan.a -Wl,--no-whole-archive -Wl,--as-needed

do-install:
    @${INSTALL_DATA} ${WRKDIR}/libtrlan.* ${PREFIX}/lib
    @${LN} -sf libtrlan.so.1 ${PREFIX}/lib/libtrlan.so
.ifndef(NOPORTDOCS)
    @${MKDIR} ${DOCSDIR}
    @${INSTALL_DATA} ${DISTDIR}/${PORTDOCS} ${DOCSDIR}
.endif
.ifndef(NOPORTEXAMPLES)
    @${MKDIR} ${EXAMPLESDIR}
    @cd ${WRKSRC}/examples/SUN && ${INSTALL_DATA} ${PORTEXAMPLES} \
    ${EXAMPLESDIR}
.endif

.if defined(MAINTAINER_MODE)

BUILD_DEPENDS +=    ${LOCALBASE}/lib/libblas.so.2:${PORTSDIR}/math/blas \
            ${LOCALBASE}/lib/liblapack.so.4:${PORTSDIR}/math/lapack

BLAS?=      -L${LOCALBASE}/lib -lblas
LAPACK?=    -L${LOCALBASE}/lib -llapack

check regression-test test: test-static test-shared

test-static: build
    @${ECHO_CMD} "Checking static archive ..."
    @cd ${WRKSRC}/examples/SUN; ${SETENV} ${MAKE_ENV} ${MAKE} ${_MAKE_JOBS} \
        ${MAKE_ARGS} clean simple simple77 simplec \
        LDFLAGS="${LDFLAGS} ${LAPACK} ${BLAS}" \
        TRLAN="${WRKDIR}/libtrlan.a" ; \
        ./simple ; ./simple77 ; ./simplec

test-shared: build
    @${ECHO_CMD} "Checking shared library ..."
    @cd ${WRKSRC}/examples/SUN; ${SETENV} ${MAKE_ENV} ${MAKE} ${_MAKE_JOBS} \
        ${MAKE_ARGS} clean simple simple77 simplec \
        FFLAGS="${PICFLAG} ${FFLAGS}" \
        LDFLAGS="${LDFLAGS} ${LAPACK} ${BLAS}" \
        TRLAN="-L${WRKDIR} -ltrlan" ; \
        ./simple ; ./simple77 ; ./simplec

.endif

.include <bsd.port.post.mk>