diff -upk.orig pkg-config-0.20.orig/main.c pkg-config-0.20/main.c

--- pkg-config-0.20.orig/main.c	2005-10-16 18:04:50 +0000

+++ pkg-config-0.20/main.c	2006-02-02 00:17:40 +0000

@@ -188,6 +188,8 @@ main (int argc, char **argv)

   int want_uninstalled = 0;

   char *variable_name = NULL;

   int want_exists = 0;

+  int want_prov = 0;

+  int want_req = 0;

   char *required_atleast_version = NULL;

   char *required_exact_version = NULL;

   char *required_max_version = NULL;

@@ -257,6 +259,10 @@ main (int argc, char **argv)

       "show verbose information about missing or conflicting packages" },

     { "errors-to-stdout", 0, POPT_ARG_NONE, &want_stdout_errors, 0,

       "print errors from --print-errors to stdout not stderr" },

+    { "print-provides", 0, POPT_ARG_NONE, &want_prov, 0,

+      "print which packages the package provides" },

+    { "print-requires", 0, POPT_ARG_NONE, &want_req, 0,

+      "print which packages the package requires" },

 #ifdef G_OS_WIN32

     { "dont-define-prefix", 0, POPT_ARG_NONE, &dont_define_prefix, 0,

       "don't try to override the value of prefix for each .pc file found with "

@@ -560,6 +566,47 @@ main (int argc, char **argv)

         }

     }

+ if (want_prov)

+   {

+     GSList *tmp;

+     tmp = packages;

+     while (tmp != NULL)

+       {

+         Package *pkg = tmp->data;

+         char *key;

+         key = pkg->key;

+         while (*key == '/')

+           key++;

+         if (strlen(key) > 0)

+           printf ("%s = %s\n", key, pkg->version);

+         tmp = g_slist_next (tmp);

+       }

+   }

+

+ if (want_req)

+   {

+     GSList *pkgtmp = packages;

+     while (pkgtmp != NULL)

+       {

+         Package *pkg = pkgtmp->data;

+         GSList *reqtmp = pkg->requires;

+         while (reqtmp != NULL)

+           {

+             Package *deppkg = reqtmp->data;

+             RequiredVersion *req;

+             req = g_hash_table_lookup(pkg->required_versions, deppkg->key);

+             if ((req == NULL) || (req->comparison == ALWAYS_MATCH))

+               printf ("%s\n", deppkg->key);

+             else

+               printf ("%s %s %s\n", deppkg->key,

+                       comparison_to_str(req->comparison),

+                       req->version);

+             reqtmp = g_slist_next (reqtmp);

+           }

+         pkgtmp = g_slist_next (pkgtmp);

+       }

+   }

+

   if (required_exact_version)

     {

       Package *pkg = packages->data;

diff -upk.orig pkg-config-0.20.orig/pkg-config.1 pkg-config-0.20/pkg-config.1

--- pkg-config-0.20.orig/pkg-config.1	2005-10-16 17:09:39 +0000

+++ pkg-config-0.20/pkg-config.1	2006-02-02 00:21:03 +0000

@@ -93,6 +93,14 @@ command line) or with other options. The

 environment variable overrides this option.

 .TP

+.I "--print-provides"

+Print which packages the package provides.

+

+.TP

+.I "--print-requires"

+Print which packages the package requires.

+

+.TP

 .I "--silence-errors"

 If one or more of the modules on the command line, or their

 dependencies, are not found, or if an error occurs in parsing a