# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
# $Id$

PortSystem          1.0
PortGroup           cmake 1.0
PortGroup           github 1.0
PortGroup           muniversal 1.0

name                volk
categories          science comms
maintainers         michaelld
description         Vector-Optimized Library of Kernels
long_description    VOLK is the Vector-Optimized Library of Kernels, a library that contains kernels of hand-written single-instruction multiple data (SIMD) code for different mathematical operations, providing portable SIMD code that is optimized for a variety of platforms.
license             GPL-3
platforms           darwin

# common directory for storing downloaded tarballs
dist_subdir         volk

if {${name} eq ${subport}} {

    github.setup    gnuradio volk 1.3 v
    checksums       \
        rmd160 5f1baa8dfc8ac948e4223e4f14f0ff328afffc9f \
        sha256 fc112c38e898b1ad1bba79debf0769fecc555143bd60e33ea571c1e9908c320e

    # bump the epoch because I moved the version from 20150707 to 1.0.1
    epoch           1
    long_description ${long_description} ${subport} \
provides the release version, which is typically updated every month or so.
    conflicts       volk-devel

}

subport volk-devel {

    github.setup    gnuradio volk d57d5cfdff8a46d1251021a1ccf713cbe72aec58
    version         20160804
    checksums       \
        rmd160 c32acbaa59b7f3d797a68543d068a8ed1fe33fa9 \
        sha256 7518da278dc97c2fcf4ad74d733d4f0e1bdb6e30b958a158fa18c7665f688364

    conflicts       volk
    long_description ${long_description} ${subport} \
provides the Volk GIT maint or master branch, depending on which is more advanced, and is typically updated every few days to week.

}

# override githib PortGroup homepage setting

homepage            http://libvolk.org/

depends_build-append port:pkgconfig
depends_lib-append   port:boost

# patch to add back using <cpuid.h> if found, and otherwise providing
# a local copy of it, to make older GCC compilers happy. Does not hurt
# when using Clang or GCC >= 4.3.

# patchfiles-append patch-add-back-cpuid.diff

# do VPATH (out of source tree) build

cmake.out_of_source yes

# remove top-level library path, such that internal libraries are used
# instead of any already-installed ones.

configure.ldflags-delete -L${prefix}/lib

# specify the Python dependencies; these are checked for at configure,
# then used for building, but not at runtime.

depends_build-append \
    port:python27 \
    port:py27-cheetah

# override default version string to be MacPorts-specific
# git / "devel" only for now

set VOLK_VERSION_INFO "git-[string range ${github.version} 0 7](${version})"

configure.args-append \
    -DVOLK_GIT_COUNT="MacPorts" \
    -DVOLK_GIT_HASH="${VOLK_VERSION_INFO}"

# install CMake files into this directory

configure.args-append \
    -DCMAKE_MODULES_DIR=${prefix}/share/cmake

# specify the Python version to use

configure.args-append \
    -DPYTHON_EXECUTABLE=${prefix}/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7 \
    -DVOLK_PYTHON_DIR=${frameworks_dir}/Python.framework/Versions/2.7/lib/python2.7/site-packages

default_variants +docs +orc

variant docs description "Install Volk documentation" {

    depends_build-append \
        port:doxygen

    configure.args-append \
        -DDOXYGEN_EXECUTABLE=${prefix}/bin/doxygen
}

if {![variant_isset docs]} {

    configure.args-append \
        -DDOXYGEN_EXECUTABLE=

}

variant orc description "Install Volk with support for ORC" {

    depends_lib-append \
        port:orc

    configure.args-append \
        -DORCC_EXECUTABLE=${prefix}/bin/orcc \
        -DORC_INCLUDE_DIR=${prefix}/include/orc-0.4 \
        -DORC_LIBRARY_DIR=${prefix}/lib

}

if {![variant_isset orc]} {

    configure.args-append \
        -DORCC_EXECUTABLE= \
        -DORC_INCLUDE_DIR= \
        -DORC_LIBRARY_DIR=

}

variant cxx11 description "Compile Volk using C++11 compliance" {

    # require C++11

    configure.cxxflags-append -std=c++11

    if {${configure.cxx_stdlib} eq "libstdc++"} {

        # *clang* when using libstdc++ do not seem to support C++11;
        # C++11 support seems to need GCC 4.7+ when using libstdc++;
        # could use C++0x support on GCC4.[56], but just ignore it since
        # there are newer compilers already in place as defaults.

        # Blacklist GCC compilers not supporting C++11 and all CLANG.
        # This is probably not necessary, but it's good practice.

        compiler.blacklist-append *clang* *gcc-3.* {*gcc-4.[0-6]}

        # and whitelist those we do want to use. wish there were a better way.
        # these will be used in the order provided.

        compiler.whitelist macports-gcc-4.9 macports-gcc-4.8 macports-gcc-4.7

    } else {

        # using libc++;
        # Blacklist Clang not supporting C++11 in some form and all GCC.
        # Just use the cxx11 PortGroup for this specific case.

        PortGroup cxx11 1.0

    }
}

pre-extract {

    # tell the user to force deactivate gnuradio-(devel,next) if one
    # is active and version is before Volk was split off (20150329 for
    # devel and next). gnuradio 3.7.6.2+ provides this split, too (as
    # of 2015-04-12).

    set not_found [catch {set installed [lindex [registry_active gnuradio-devel] 0]}]
    if {${not_found}} {
        set not_found [catch {set installed [lindex [registry_active gnuradio-next] 0]}]
    }
    if {${not_found}} {
        set not_found [catch {set installed [lindex [registry_active gnuradio] 0]}]
    }
    if (!${not_found}) {

        set _portname [lindex ${installed} 0]
        set _version [lindex ${installed} 1]

        if {${_portname} eq "gnuradio"} {
            set _vcmp [vercmp ${_version} 3.7.6.2]
        } else {
            set _vcmp [vercmp ${_version} 20150329]
        }

        if {${_vcmp} < 0} {

            ui_msg "\nVolk is currently installed by the port '${_portname}'."
            ui_msg "Use the command"
            ui_msg "  sudo port -f deactivate ${_portname}"
            ui_msg "to deactivate the port owning volk, then proceed with"
            ui_msg "  sudo port upgrade ${_portname}\n"
            return -code error "Port Needs Deactivation"

        }
    }
}