external/dinglibs.m4 - main - githubmirror/gssproxy

external/dinglibs.m4
139 строк4 KB
Sietse
Fix cross compilation
18 июн 2026, 15:49
18 июн 2026, 15:499516730
AC_DEFUN([WITH_LIBINI_CONFIG],
[
  PKG_CHECK_MODULES([LIBINI_CONFIG], [ini_config >= 1.2.0],
  [
    INI_CONFIG_CFLAGS="`$PKG_CONFIG --cflags ini_config`"
    INI_CONFIG_LIBS="`$PKG_CONFIG --libs ini_config`"
    AC_CHECK_LIB(ini_config, ini_config_file_open, [],
                 [AC_MSG_ERROR([ini_config library must support ini_config_file_open])],
                 [$INI_CONFIG_LIBS])
    AC_CHECK_LIB(ini_config, ini_config_augment, [],
                 [AC_MSG_ERROR([ini_config library must support ini_config_augment])],
                 [$INI_CONFIG_LIBS])

    AC_RUN_IFELSE([AC_LANG_SOURCE([[
    /* See: https://pagure.io/SSSD/ding-libs/pull-request/3172 */
    #include <linux/limits.h>
    #include <string.h>
    #include <errno.h>
    #include <stdio.h>
    #include <stdlib.h>
    #include <stdint.h>
    #include <ini_configobj.h>

    static int write_to_file(char *path, char *text)
    {
        FILE *f = fopen(path, "w");
        int bytes = 0;
        if (f == NULL)
            return 1;

        bytes = fprintf(f, "%s", text);
        if (bytes < 0 || (size_t)bytes != strlen(text))
            return 1;

        return fclose(f);
    }

    int main(void)
    {
        char base_path[PATH_MAX];
        char augment_path[PATH_MAX];

        char config_base[] =
            "[section]\n"
            "key1 = first\n"
            "key2 = exists\n";

        char config_augment[] =
            "[section]\n"
            "key1 = augment\n"
            "key3 = exists\n";

        char *builddir;

        struct ini_cfgobj *in_cfg, *result_cfg;
        struct ini_cfgfile *file_ctx;

        uint32_t merge_flags = INI_MS_DETECT | INI_MS_PRESERVE;

        int ret;

        builddir = getenv("builddir");
        if (builddir == NULL) {
            builddir = strdup(".");
        }

        snprintf(base_path, PATH_MAX, "%s/tmp_augment_base.conf", builddir);
        snprintf(augment_path, PATH_MAX, "%s/tmp_augment_augment.conf", builddir);

        ret = write_to_file(base_path, config_base);
        if (ret != 0) {
            ret = 1;
            goto cleanup;
        }

        ret = write_to_file(augment_path, config_augment);
        if (ret != 0) {
            goto cleanup;
        }

        /* Match only augment.conf */
        const char *m_patterns[] = { "^tmp_augment_augment.conf$", NULL };

         /* Match all sections */
        const char *m_sections[] = { ".*", NULL };

        /* Create config collection */
        ret = ini_config_create(&in_cfg);
        if (ret != EOK)
            goto cleanup;

        /* Open base.conf */
        ret = ini_config_file_open(base_path, 0, &file_ctx);
        if (ret != EOK)
            goto cleanup;

        /* Seed in_cfg with base.conf */
        ret = ini_config_parse(file_ctx, 1, 0, 0, in_cfg);
        if (ret != EOK)
            goto cleanup;

        /* Update base.conf with augment.conf */
        ret = ini_config_augment(in_cfg,
                                 builddir,
                                 m_patterns,
                                 m_sections,
                                 NULL,
                                 INI_STOP_ON_NONE,
                                 0,
                                 INI_PARSE_NOSPACE|INI_PARSE_NOTAB,
                                 merge_flags,
                                 &result_cfg,
                                 NULL,
                                 NULL);
        /* We always expect EEXIST due to DETECT being set. */
        if (ret != EEXIST)
            goto cleanup;

        ret = 0;

    cleanup:
        remove(base_path);
        remove(augment_path);

        /* Per autoconf guidelines */
        if (ret != 0)
            ret = 1;

        return ret;
    }
    ]])]
    ,, [AC_MSG_ERROR(["ini_config library must support extended INI_MS_DETECT."])], AC_MSG_WARN(["Cross Compiling. Make sure your ini_config library supports extended INI_MS_DETECT"]))

    have_libini_config=yes
  ], [
    AC_MSG_ERROR([Could not find LIBINI_CONFIG headers])
    have_libini_config=no
  ])
])