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/*
* Copyright (C) 2001, 2002 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pkg.h"
#include "parse.h"
#include <popt.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#ifdef G_OS_WIN32
#define STRICT
#include <windows.h>
#undef STRICT
#endif
static int want_debug_spew = 0;
static int want_verbose_errors = 0;
static int want_stdout_errors = 0;
char *pcsysrootdir = NULL;
void
debug_spew (const char *format, ...)
{
va_list args;
gchar *str;
FILE* stream;
g_return_if_fail (format != NULL);
if (!want_debug_spew)
return;
va_start (args, format);
str = g_strdup_vprintf (format, args);
va_end (args);
if (want_stdout_errors)
stream = stdout;
else
stream = stderr;
fputs (str, stream);
fflush (stream);
g_free (str);
}
void
verbose_error (const char *format, ...)
{
va_list args;
gchar *str;
FILE* stream;
g_return_if_fail (format != NULL);
if (!want_verbose_errors)
return;
va_start (args, format);
str = g_strdup_vprintf (format, args);
va_end (args);
if (want_stdout_errors)
stream = stdout;
else
stream = stderr;
fputs (str, stream);
fflush (stream);
g_free (str);
}
#define DEFINE_VARIABLE 1
static void
popt_callback (poptContext con,
enum poptCallbackReason reason,
const struct poptOption * opt,
const char * arg, void * data)
{
debug_spew ("Option --%s seen\n", opt->longName);
if (opt->val == DEFINE_VARIABLE)
{
char *varname;
char *varval;
char *tmp;
tmp = g_strdup (arg);
varname = tmp;
while (*varname && isspace ((guchar)*varname))
++varname;
varval = varname;
while (*varval && *varval != '=' && *varval != ' ')
++varval;
while (*varval && (*varval == '=' || *varval == ' '))
{
*varval = '\0';
++varval;
}
if (*varval == '\0')
{
fprintf (stderr, "--define-variable argument does not have a value for the variable\n");
exit (1);
}
define_global_variable (varname, varval);
g_free (tmp);
}
}
static gboolean
pkg_uninstalled (Package *pkg)
{
/* See if > 0 pkgs were uninstalled */
GSList *tmp;
if (pkg->uninstalled)
return TRUE;
tmp = pkg->requires;
while (tmp != NULL)
{
Package *pkg = tmp->data;
if (pkg_uninstalled (pkg))
return TRUE;
tmp = g_slist_next (tmp);
}
return FALSE;
}
void
print_hashtable_key (gpointer key,
gpointer value,
gpointer user_data)
{
printf("%s\n", (gchar*)key);
}
int
main (int argc, char **argv)
{
static int want_my_version = 0;
static int want_version = 0;
static int want_libs = 0;
static int want_cflags = 0;
static int want_l_libs = 0;
static int want_L_libs = 0;
static int want_other_libs = 0;
static int want_I_cflags = 0;
static int want_other_cflags = 0;
static int want_list = 0;
static int want_static_lib_list = ENABLE_INDIRECT_DEPS;
static int want_short_errors = 0;
static int want_uninstalled = 0;
static char *variable_name = NULL;
static int want_exists = 0;
static int want_provides = 0;
static int want_requires = 0;
static int want_requires_private = 0;
static char *required_atleast_version = NULL;
static char *required_exact_version = NULL;
static char *required_max_version = NULL;
static char *required_pkgconfig_version = NULL;
static int want_silence_errors = 0;
static int want_variable_list = 0;
int result;
GString *str;
GSList *packages = NULL;
char *search_path;
char *pcbuilddir;
gboolean need_newline;
FILE *log = NULL;
const char *pkgname;
poptContext opt_context;
struct poptOption options_table[] = {
{ NULL, 0, POPT_ARG_CALLBACK, popt_callback, 0, NULL, NULL },
{ "version", 0, POPT_ARG_NONE, &want_my_version, 0,
"output version of pkg-config" },
{ "modversion", 0, POPT_ARG_NONE, &want_version, 0,
"output version for package" },
{ "atleast-pkgconfig-version", 0, POPT_ARG_STRING, &required_pkgconfig_version, 0,
"require given version of pkg-config", "VERSION" },
{ "libs", 0, POPT_ARG_NONE, &want_libs, 0,
"output all linker flags" },
{ "static", 0, POPT_ARG_NONE, &want_static_lib_list, 0,
"output linker flags for static linking" },
{ "short-errors", 0, POPT_ARG_NONE, &want_short_errors, 0,
"print short errors" },
{ "libs-only-l", 0, POPT_ARG_NONE, &want_l_libs, 0,
"output -l flags" },
{ "libs-only-other", 0, POPT_ARG_NONE, &want_other_libs, 0,
"output other libs (e.g. -pthread)" },
{ "libs-only-L", 0, POPT_ARG_NONE, &want_L_libs, 0,
"output -L flags" },
{ "cflags", 0, POPT_ARG_NONE, &want_cflags, 0,
"output all pre-processor and compiler flags" },
{ "cflags-only-I", 0, POPT_ARG_NONE, &want_I_cflags, 0,
"output -I flags" },
{ "cflags-only-other", 0, POPT_ARG_NONE, &want_other_cflags, 0,
"output cflags not covered by the cflags-only-I option"},
{ "variable", 0, POPT_ARG_STRING, &variable_name, 0,
"get the value of variable named NAME", "NAME" },
{ "define-variable", 0, POPT_ARG_STRING, NULL, DEFINE_VARIABLE,
"set variable NAME to VALUE", "NAME=VALUE" },
{ "exists", 0, POPT_ARG_NONE, &want_exists, 0,
"return 0 if the module(s) exist" },
{ "print-variables", 0, POPT_ARG_NONE, &want_variable_list, 0,
"output list of variables defined by the module" },
{ "uninstalled", 0, POPT_ARG_NONE, &want_uninstalled, 0,
"return 0 if the uninstalled version of one or more module(s) or their dependencies will be used" },
{ "atleast-version", 0, POPT_ARG_STRING, &required_atleast_version, 0,
"return 0 if the module is at least version VERSION", "VERSION" },
{ "exact-version", 0, POPT_ARG_STRING, &required_exact_version, 0,
"return 0 if the module is at exactly version VERSION", "VERSION" },
{ "max-version", 0, POPT_ARG_STRING, &required_max_version, 0,
"return 0 if the module is at no newer than version VERSION", "VERSION" },
{ "list-all", 0, POPT_ARG_NONE, &want_list, 0,
"list all known packages" },
{ "debug", 0, POPT_ARG_NONE, &want_debug_spew, 0,
"show verbose debug information" },
{ "print-errors", 0, POPT_ARG_NONE, &want_verbose_errors, 0,
"show verbose information about missing or conflicting packages,"
"default if --cflags or --libs given on the command line" },
{ "silence-errors", 0, POPT_ARG_NONE, &want_silence_errors, 0,
"be silent about errors (default unless --cflags or --libs"
"given on the command line)" },
{ "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_provides, 0,
"print which packages the package provides" },
{ "print-requires", 0, POPT_ARG_NONE, &want_requires, 0,
"print which packages the package requires" },
{ "print-requires-private", 0, POPT_ARG_NONE, &want_requires_private, 0,
"print which packages the package requires for static linking" },
#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 "
"a guesstimated value based on the location of the .pc file" },
{ "prefix-variable", 0, POPT_ARG_STRING, &prefix_variable, 0,
"set the name of the variable that pkg-config automatically sets", "PREFIX" },
{ "msvc-syntax", 0, POPT_ARG_NONE, &msvc_syntax, 0,
"output -l and -L flags for the Microsoft compiler (cl)" },
#endif
POPT_AUTOHELP
{ NULL, 0, 0, NULL, 0 }
};
/* This is here so that we get debug spew from the start,
* during arg parsing
*/
if (getenv ("PKG_CONFIG_DEBUG_SPEW"))
{
want_debug_spew = TRUE;
want_verbose_errors = TRUE;
want_silence_errors = FALSE;
debug_spew ("PKG_CONFIG_DEBUG_SPEW variable enabling debug spew\n");
}
search_path = getenv ("PKG_CONFIG_PATH");
if (search_path)
{
add_search_dirs(search_path, G_SEARCHPATH_SEPARATOR_S);
}
if (getenv("PKG_CONFIG_LIBDIR") != NULL)
{
add_search_dirs(getenv("PKG_CONFIG_LIBDIR"), G_SEARCHPATH_SEPARATOR_S);
}
else
{
add_search_dirs(PKG_CONFIG_PC_PATH, G_SEARCHPATH_SEPARATOR_S);
}
pcsysrootdir = getenv ("PKG_CONFIG_SYSROOT_DIR");
if (pcsysrootdir)
{
define_global_variable ("pc_sysrootdir", pcsysrootdir);
}
else
{
define_global_variable ("pc_sysrootdir", "/");
}
pcbuilddir = getenv ("PKG_CONFIG_TOP_BUILD_DIR");
if (pcbuilddir)
{
define_global_variable ("pc_top_builddir", pcbuilddir);
}
else
{
/* Default appropriate for automake */
define_global_variable ("pc_top_builddir", "$(top_builddir)");
}
if (getenv ("PKG_CONFIG_DISABLE_UNINSTALLED"))
{
debug_spew ("disabling auto-preference for uninstalled packages\n");
disable_uninstalled = TRUE;
}
opt_context = poptGetContext (NULL, argc, argv,
options_table, 0);
result = poptGetNextOpt (opt_context);
if (result != -1)
{
fprintf(stderr, "%s: %s\n",
poptBadOption(opt_context, POPT_BADOPTION_NOALIAS),
poptStrerror(result));
return 1;
}
/* Error printing is determined as follows:
* - for --cflags, --libs, etc. it's on by default
* and --silence-errors can turn it off
* - for --exists, --max-version, etc. and no options
* at all, it's off by default and --print-errors
* will turn it on
*/
if (want_my_version ||
want_version ||
want_libs ||
want_cflags ||
want_l_libs ||
want_L_libs ||
want_other_libs ||
want_I_cflags ||
want_other_cflags ||
want_list ||
want_variable_list)
{
debug_spew ("Error printing enabled by default due to use of --version, --libs, --cflags, --libs-only-l, --libs-only-L, --libs-only-other, --cflags-only-I, --cflags-only-other or --list. Value of --silence-errors: %d\n", want_silence_errors);
if (want_silence_errors && getenv ("PKG_CONFIG_DEBUG_SPEW") == NULL)
want_verbose_errors = FALSE;
else
want_verbose_errors = TRUE;
}
else
{
debug_spew ("Error printing disabled by default, value of --print-errors: %d\n",
want_verbose_errors);
/* Leave want_verbose_errors unchanged, reflecting --print-errors */
}
if (want_verbose_errors)
debug_spew ("Error printing enabled\n");
else
debug_spew ("Error printing disabled\n");
if (want_static_lib_list)
enable_private_libs();
else
disable_private_libs();
/* honor Requires.private if any Cflags are requested or any static
* libs are requested */
if (want_I_cflags || want_other_cflags || want_cflags ||
want_requires_private ||
(want_static_lib_list && (want_libs || want_l_libs || want_L_libs)))
enable_requires_private();
/* ignore Requires if no Cflags or Libs are requested */
if (!want_I_cflags && !want_other_cflags && !want_cflags &&
!want_libs && !want_l_libs && !want_L_libs && !want_requires)
disable_requires();
if (want_my_version)
{
printf ("%s\n", VERSION);
return 0;
}
if (required_pkgconfig_version)
{
if (compare_versions (VERSION, required_pkgconfig_version) >= 0)
return 0;
else
return 1;
}
package_init ();
if (want_list)
{
print_package_list ();
return 0;
}
str = g_string_new ("");
while (1)
{
pkgname = poptGetArg (opt_context);
if (pkgname == NULL)
break;
g_string_append (str, pkgname);
g_string_append (str, " ");
}
poptFreeContext (opt_context);
g_strstrip (str->str);
if (getenv("PKG_CONFIG_LOG") != NULL)
{
log = fopen (getenv ("PKG_CONFIG_LOG"), "a");
if (log == NULL)
{
fprintf (stderr, "Cannot open log file: %s\n",
getenv ("PKG_CONFIG_LOG"));
exit (1);
}
}
{
gboolean failed = FALSE;
GSList *reqs;
GSList *iter;
reqs = parse_module_list (NULL, str->str,
"(command line arguments)");
iter = reqs;
while (iter != NULL)
{
Package *req;
RequiredVersion *ver = iter->data;
if (want_short_errors)
req = get_package_quiet (ver->name);
else
req = get_package (ver->name);
if (log != NULL)
{
if (req == NULL)
fprintf (log, "%s NOT-FOUND", ver->name);
else
fprintf (log, "%s %s %s", ver->name,
comparison_to_str (ver->comparison),
(ver->version == NULL) ? "(null)" : ver->version);
fprintf (log, "\n");
}
if (req == NULL)
{
failed = TRUE;
verbose_error ("No package '%s' found\n", ver->name);
goto nextiter;
}
if (!version_test (ver->comparison, req->version, ver->version))
{
failed = TRUE;
verbose_error ("Requested '%s %s %s' but version of %s is %s\n",
ver->name,
comparison_to_str (ver->comparison),
ver->version,
req->name,
req->version);
if (req->url)
verbose_error ("You may find new versions of %s at %s\n",
req->name, req->url);
goto nextiter;
}
packages = g_slist_prepend (packages, req);
nextiter:
iter = g_slist_next (iter);
}
if (log != NULL)
{
fclose (log);
}
if (failed) {
return 1;
}
if (want_variable_list)
{
GSList *tmp;
tmp = packages;
while (tmp != NULL)
{
Package *pkg = tmp->data;
g_hash_table_foreach(pkg->vars,
&print_hashtable_key,
NULL);
tmp = g_slist_next (tmp);
if (tmp) printf ("\n");
}
need_newline = FALSE;
}
}
g_string_free (str, TRUE);
packages = g_slist_reverse (packages);
if (packages == NULL)
{
fprintf (stderr, "Must specify package names on the command line\n");
exit (1);
}
if (want_exists)
return 0; /* if we got here, all the packages existed. */
if (want_uninstalled)
{
/* See if > 0 pkgs (including dependencies recursively) were uninstalled */
GSList *tmp;
tmp = packages;
while (tmp != NULL)
{
Package *pkg = tmp->data;
if (pkg_uninstalled (pkg))
return 0;
tmp = g_slist_next (tmp);
}
return 1;
}
if (want_version)
{
GSList *tmp;
tmp = packages;
while (tmp != NULL)
{
Package *pkg = tmp->data;
printf ("%s\n", pkg->version);
tmp = g_slist_next (tmp);
}
}
if (want_provides)
{
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_requires)
{
GSList *pkgtmp;
for (pkgtmp = packages; pkgtmp != NULL; pkgtmp = g_slist_next (pkgtmp))
{
Package *pkg = pkgtmp->data;
GSList *reqtmp;
/* process Requires: */
for (reqtmp = pkg->requires; reqtmp != NULL; reqtmp = g_slist_next (reqtmp))
{
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);
}
}
}
if (want_requires_private)
{
GSList *pkgtmp;
for (pkgtmp = packages; pkgtmp != NULL; pkgtmp = g_slist_next (pkgtmp))
{
Package *pkg = pkgtmp->data;
GSList *reqtmp;
/* process Requires.private: */
for (reqtmp = pkg->requires_private; reqtmp != NULL; reqtmp = g_slist_next (reqtmp))
{
Package *deppkg = reqtmp->data;
RequiredVersion *req;
if (g_slist_find (pkg->requires, reqtmp->data))
continue;
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);
}
}
}
if (required_exact_version)
{
Package *pkg = packages->data;
if (compare_versions (pkg->version, required_exact_version) == 0)
return 0;
else
return 1;
}
else if (required_atleast_version)
{
Package *pkg = packages->data;
if (compare_versions (pkg->version, required_atleast_version) >= 0)
return 0;
else
return 1;
}
else if (required_max_version)
{
Package *pkg = packages->data;
if (compare_versions (pkg->version, required_max_version) <= 0)
return 0;
else
return 1;
}
/* Print all flags; then print a newline at the end. */
need_newline = FALSE;
if (variable_name)
{
char *str = packages_get_var (packages, variable_name);
printf ("%s", str);
g_free (str);
need_newline = TRUE;
}
if (want_I_cflags)
{
char *str = packages_get_I_cflags (packages);
printf ("%s ", str);
g_free (str);
need_newline = TRUE;
}
else if (want_other_cflags)
{
char *str = packages_get_other_cflags (packages);
printf ("%s ", str);
g_free (str);
need_newline = TRUE;
}
else if (want_cflags)
{
char *str = packages_get_all_cflags (packages);
printf ("%s ", str);
g_free (str);
need_newline = TRUE;
}
if (want_l_libs)
{
char *str = packages_get_l_libs (packages);
printf ("%s ", str);
g_free (str);
need_newline = TRUE;
}
else if (want_L_libs)
{
char *str = packages_get_L_libs (packages);
printf ("%s ", str);
g_free (str);
need_newline = TRUE;
}
else if (want_other_libs)
{
char *str = packages_get_other_libs (packages);
printf ("%s ", str);
g_free (str);
need_newline = TRUE;
}
else if (want_libs)
{
char *str = packages_get_all_libs (packages);
printf ("%s ", str);
g_free (str);
need_newline = TRUE;
}
if (need_newline)
#ifdef G_OS_WIN32
printf ("\r\n");
#else
printf ("\n");
#endif
return 0;
}
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