File: installdirs_base_components.c

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/*
 * Copyright (c) 2006-2012 Los Alamos National Security, LLC.  All rights
 *                         reserved.
 * Copyright (c) 2007      Cisco Systems, Inc.  All rights reserved.
 * Copyright (c) 2010      Sandia National Laboratories. All rights reserved.
 * Copyright (c) 2015      Research Organization for Information Science
 *                         and Technology (RIST). All rights reserved.
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 *
 */

#include "opal_config.h"

#include "opal/constants.h"
#include "opal/mca/installdirs/base/base.h"
#include "opal/mca/installdirs/base/static-components.h"
#include "opal/mca/installdirs/installdirs.h"
#include "opal/mca/mca.h"

opal_install_dirs_t opal_install_dirs = {0};

#define CONDITIONAL_COPY(target, origin, field)             \
    do {                                                    \
        if (origin.field != NULL && target.field == NULL) { \
            target.field = origin.field;                    \
        }                                                   \
    } while (0)

static int opal_installdirs_base_open(mca_base_open_flag_t flags)
{
    mca_base_component_list_item_t *component_item;
    int ret;

    ret = mca_base_framework_components_open(&opal_installdirs_base_framework, flags);
    if (OPAL_SUCCESS != ret) {
        return ret;
    }

    OPAL_LIST_FOREACH (component_item, &opal_installdirs_base_framework.framework_components,
                       mca_base_component_list_item_t) {
        const opal_installdirs_base_component_t *component
            = (const opal_installdirs_base_component_t *) component_item->cli_component;

        /* copy over the data, if something isn't already there */
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, prefix);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, exec_prefix);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, bindir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, sbindir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, libexecdir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, datarootdir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, datadir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, sysconfdir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, sharedstatedir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, localstatedir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, libdir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, includedir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, infodir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, mandir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, opaldatadir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, opallibdir);
        CONDITIONAL_COPY(opal_install_dirs, component->install_dirs_data, opalincludedir);
    }

    /* expand out all the fields */
    opal_install_dirs.prefix = opal_install_dirs_expand_setup(opal_install_dirs.prefix);
    opal_install_dirs.exec_prefix = opal_install_dirs_expand_setup(opal_install_dirs.exec_prefix);
    opal_install_dirs.bindir = opal_install_dirs_expand_setup(opal_install_dirs.bindir);
    opal_install_dirs.sbindir = opal_install_dirs_expand_setup(opal_install_dirs.sbindir);
    opal_install_dirs.libexecdir = opal_install_dirs_expand_setup(opal_install_dirs.libexecdir);
    opal_install_dirs.datarootdir = opal_install_dirs_expand_setup(opal_install_dirs.datarootdir);
    opal_install_dirs.datadir = opal_install_dirs_expand_setup(opal_install_dirs.datadir);
    opal_install_dirs.sysconfdir = opal_install_dirs_expand_setup(opal_install_dirs.sysconfdir);
    opal_install_dirs.sharedstatedir = opal_install_dirs_expand_setup(
        opal_install_dirs.sharedstatedir);
    opal_install_dirs.localstatedir = opal_install_dirs_expand_setup(
        opal_install_dirs.localstatedir);
    opal_install_dirs.libdir = opal_install_dirs_expand_setup(opal_install_dirs.libdir);
    opal_install_dirs.includedir = opal_install_dirs_expand_setup(opal_install_dirs.includedir);
    opal_install_dirs.infodir = opal_install_dirs_expand_setup(opal_install_dirs.infodir);
    opal_install_dirs.mandir = opal_install_dirs_expand_setup(opal_install_dirs.mandir);
    opal_install_dirs.opaldatadir = opal_install_dirs_expand_setup(opal_install_dirs.opaldatadir);
    opal_install_dirs.opallibdir = opal_install_dirs_expand_setup(opal_install_dirs.opallibdir);
    opal_install_dirs.opalincludedir = opal_install_dirs_expand_setup(
        opal_install_dirs.opalincludedir);

#if 0
    fprintf(stderr, "prefix:         %s\n", opal_install_dirs.prefix);
    fprintf(stderr, "exec_prefix:    %s\n", opal_install_dirs.exec_prefix);
    fprintf(stderr, "bindir:         %s\n", opal_install_dirs.bindir);
    fprintf(stderr, "sbindir:        %s\n", opal_install_dirs.sbindir);
    fprintf(stderr, "libexecdir:     %s\n", opal_install_dirs.libexecdir);
    fprintf(stderr, "datarootdir:    %s\n", opal_install_dirs.datarootdir);
    fprintf(stderr, "datadir:        %s\n", opal_install_dirs.datadir);
    fprintf(stderr, "sysconfdir:     %s\n", opal_install_dirs.sysconfdir);
    fprintf(stderr, "sharedstatedir: %s\n", opal_install_dirs.sharedstatedir);
    fprintf(stderr, "localstatedir:  %s\n", opal_install_dirs.localstatedir);
    fprintf(stderr, "libdir:         %s\n", opal_install_dirs.libdir);
    fprintf(stderr, "includedir:     %s\n", opal_install_dirs.includedir);
    fprintf(stderr, "infodir:        %s\n", opal_install_dirs.infodir);
    fprintf(stderr, "mandir:         %s\n", opal_install_dirs.mandir);
    fprintf(stderr, "pkgdatadir:     %s\n", opal_install_dirs.pkgdatadir);
    fprintf(stderr, "pkglibdir:      %s\n", opal_install_dirs.pkglibdir);
    fprintf(stderr, "pkgincludedir:  %s\n", opal_install_dirs.pkgincludedir);
#endif

    /* NTH: Is it ok not to close the components? If not we can add a flag
       to mca_base_framework_components_close to indicate not to deregister
       variable groups */
    return OPAL_SUCCESS;
}

static int opal_installdirs_base_close(void)
{
    free(opal_install_dirs.prefix);
    free(opal_install_dirs.exec_prefix);
    free(opal_install_dirs.bindir);
    free(opal_install_dirs.sbindir);
    free(opal_install_dirs.libexecdir);
    free(opal_install_dirs.datarootdir);
    free(opal_install_dirs.datadir);
    free(opal_install_dirs.sysconfdir);
    free(opal_install_dirs.sharedstatedir);
    free(opal_install_dirs.localstatedir);
    free(opal_install_dirs.libdir);
    free(opal_install_dirs.includedir);
    free(opal_install_dirs.infodir);
    free(opal_install_dirs.mandir);
    free(opal_install_dirs.opaldatadir);
    free(opal_install_dirs.opallibdir);
    free(opal_install_dirs.opalincludedir);
    memset(&opal_install_dirs, 0, sizeof(opal_install_dirs));

    return mca_base_framework_components_close(&opal_installdirs_base_framework, NULL);
}

/* Declare the installdirs framework */
MCA_BASE_FRAMEWORK_DECLARE(opal, installdirs, NULL, NULL, opal_installdirs_base_open,
                           opal_installdirs_base_close, mca_installdirs_base_static_components,
                           MCA_BASE_FRAMEWORK_FLAG_NOREGISTER | MCA_BASE_FRAMEWORK_FLAG_NO_DSO);