141 lines
3.1 KiB
C
141 lines
3.1 KiB
C
/*
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* main.c
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* main() routine, printer functions
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*
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* Copyright (c) 2011 William Pitcock <nenolod@dereferenced.org>.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <popt.h>
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#include "pkg.h"
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static int want_cflags = 0;
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static int want_libs = 0;
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static void
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print_cflags(pkg_t *pkg, void *unused)
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{
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if (pkg->cflags != NULL)
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printf("%s ", pkg->cflags);
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}
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static void
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print_libs(pkg_t *pkg, void *unused)
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{
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if (pkg->libs != NULL)
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printf("%s ", pkg->libs);
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}
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typedef struct pkg_queue_ {
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struct pkg_queue_ *prev, *next;
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const char *package;
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} pkg_queue_t;
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static pkg_queue_t *
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pkg_queue_push(pkg_queue_t *parent, const char *package)
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{
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pkg_queue_t *pkgq = calloc(sizeof(pkg_queue_t), 1);
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pkgq->package = package;
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pkgq->prev = parent;
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if (pkgq->prev != NULL)
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pkgq->prev->next = pkgq;
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return pkgq;
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}
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int
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pkg_queue_walk(pkg_queue_t *head)
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{
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int wanted_something = 0;
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pkg_queue_t *pkgq;
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foreach_list_entry(head, pkgq)
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{
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pkg_t *pkg;
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pkg = pkg_find(pkgq->package);
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if (pkg)
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{
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if (want_cflags)
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{
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wanted_something++;
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pkg_traverse(pkg, print_cflags, NULL);
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}
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if (want_libs)
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{
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wanted_something++;
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pkg_traverse(pkg, print_libs, NULL);
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}
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}
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else
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{
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fprintf(stderr, "dependency '%s' could not be satisfied, see PKG_CONFIG_PATH.\n", pkgq->package);
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return EXIT_FAILURE;
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}
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}
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if (wanted_something)
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printf("\n");
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return EXIT_SUCCESS;
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}
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int
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main(int argc, const char *argv[])
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{
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int ret;
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poptContext opt_context;
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pkg_queue_t *pkgq = NULL;
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pkg_queue_t *pkgq_head = NULL;
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struct poptOption options[] = {
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{ "libs", 0, POPT_ARG_NONE, &want_libs, 0, "output all linker flags" },
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{ "cflags", 0, POPT_ARG_NONE, &want_cflags, 0, "output all compiler flags" },
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POPT_AUTOHELP
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{ NULL, 0, 0, NULL, 0 }
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};
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opt_context = poptGetContext(NULL, argc, argv, options, 0);
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ret = poptGetNextOpt(opt_context);
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if (ret != -1)
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{
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fprintf(stderr, "%s: %s\n",
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poptBadOption(opt_context, POPT_BADOPTION_NOALIAS),
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poptStrerror(ret));
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return EXIT_FAILURE;
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}
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while (1)
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{
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const char *package = poptGetArg(opt_context);
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if (package == NULL)
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break;
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pkgq = pkg_queue_push(pkgq, package);
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if (pkgq_head == NULL)
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pkgq_head = pkgq;
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}
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poptFreeContext(opt_context);
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return pkg_queue_walk(pkgq_head);
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}
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