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pkgconf/cli/main.c
Ariadne Conill dfd20e49fc cli: core: move dump_personality back 
Signed-off-by: Ariadne Conill <ariadne@ariadne.space>
2025-12-24 20:51:22 -08:00

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/*
* main.c
* main() routine
*
* Copyright (c) 2011-2025 pkgconf authors (see AUTHORS).
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* This software is provided 'as is' and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising
* from the use of this software.
*/
#include "libpkgconf/config.h"
#include <libpkgconf/stdinc.h>
#include <libpkgconf/libpkgconf.h>
#include "getopt_long.h"
#include "core.h"
static const char *
environ_lookup_handler(const pkgconf_client_t *client, const char *key)
{
(void) client;
return getenv(key);
}
static bool
error_handler(const char *msg, const pkgconf_client_t *client, void *data)
{
(void) data;
pkgconf_cli_state_t *state = client->client_data;
fprintf(state->error_msgout, "%s", msg);
return true;
}
static void
relocate_path(const char *path)
{
char buf[PKGCONF_BUFSIZE];
pkgconf_strlcpy(buf, path, sizeof buf);
pkgconf_path_relocate(buf, sizeof buf);
printf("%s\n", buf);
}
#ifndef PKGCONF_LITE
static pkgconf_cross_personality_t *
deduce_personality(char *argv[])
{
const char *argv0 = argv[0];
char *i, *prefix;
pkgconf_cross_personality_t *out;
i = strrchr(argv0, '/');
if (i != NULL)
argv0 = i + 1;
#if defined(_WIN32) || defined(_WIN64)
i = strrchr(argv0, '\\');
if (i != NULL)
argv0 = i + 1;
#endif
i = strstr(argv0, "-pkg");
if (i == NULL)
return pkgconf_cross_personality_default();
prefix = pkgconf_strndup(argv0, i - argv0);
out = pkgconf_cross_personality_find(prefix);
free(prefix);
if (out == NULL)
return pkgconf_cross_personality_default();
return out;
}
#endif
static void
version(void)
{
printf("%s\n", PACKAGE_VERSION);
}
static void
about(void)
{
printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
printf("Copyright (c) 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021\n");
printf(" pkgconf authors (see AUTHORS in documentation directory).\n\n");
printf("Permission to use, copy, modify, and/or distribute this software for any\n");
printf("purpose with or without fee is hereby granted, provided that the above\n");
printf("copyright notice and this permission notice appear in all copies.\n\n");
printf("This software is provided 'as is' and without any warranty, express or\n");
printf("implied. In no event shall the authors be liable for any damages arising\n");
printf("from the use of this software.\n\n");
printf("Report bugs at <%s>.\n", PACKAGE_BUGREPORT);
}
static void
usage(void)
{
printf("usage: %s [OPTIONS] [LIBRARIES]\n", PACKAGE_NAME);
printf("\nbasic options:\n\n");
printf(" --help this message\n");
printf(" --about print pkgconf version and license to stdout\n");
printf(" --version print supported pkg-config version to stdout\n");
printf(" --verbose print additional information\n");
printf(" --atleast-pkgconfig-version check whether or not pkgconf is compatible\n");
printf(" with a specified pkg-config version\n");
printf(" --errors-to-stdout print all errors on stdout instead of stderr\n");
printf(" --print-errors ensure all errors are printed\n");
printf(" --short-errors be less verbose about some errors\n");
printf(" --silence-errors explicitly be silent about errors\n");
printf(" --list-all list all known packages\n");
printf(" --list-package-names list all known package names\n");
#ifndef PKGCONF_LITE
printf(" --simulate simulate walking the calculated dependency graph\n");
#endif
printf(" --no-cache do not cache already seen packages when\n");
printf(" walking the dependency graph\n");
printf(" --log-file=filename write an audit log to a specified file\n");
printf(" --with-path=path adds a directory to the search path\n");
printf(" --define-prefix override the prefix variable with one that is guessed based on\n");
printf(" the location of the .pc file\n");
printf(" --dont-define-prefix do not override the prefix variable under any circumstances\n");
printf(" --prefix-variable=varname sets the name of the variable that pkgconf considers\n");
printf(" to be the package prefix\n");
printf(" --relocate=path relocates a path and exits (mostly for testsuite)\n");
printf(" --dont-relocate-paths disables path relocation support\n");
#ifndef PKGCONF_LITE
printf("\ncross-compilation personality support:\n\n");
printf(" --personality=triplet|filename sets the personality to 'triplet' or a file named 'filename'\n");
printf(" --dump-personality dumps details concerning selected personality\n");
#endif
printf("\nchecking specific pkg-config database entries:\n\n");
printf(" --atleast-version require a specific version of a module\n");
printf(" --exact-version require an exact version of a module\n");
printf(" --max-version require a maximum version of a module\n");
printf(" --exists check whether or not a module exists\n");
printf(" --uninstalled check whether or not an uninstalled module will be used\n");
printf(" --no-uninstalled never use uninstalled modules when satisfying dependencies\n");
printf(" --no-provides do not use 'provides' rules to resolve dependencies\n");
printf(" --maximum-traverse-depth maximum allowed depth for dependency graph\n");
printf(" --static be more aggressive when computing dependency graph\n");
printf(" (for static linking)\n");
printf(" --shared use a simplified dependency graph (usually default)\n");
printf(" --pure optimize a static dependency graph as if it were a normal\n");
printf(" dependency graph\n");
printf(" --env-only look only for package entries in PKG_CONFIG_PATH\n");
printf(" --ignore-conflicts ignore 'conflicts' rules in modules\n");
printf(" --validate validate specific .pc files for correctness\n");
printf("\nquerying specific pkg-config database fields:\n\n");
printf(" --define-variable=varname=value define variable 'varname' as 'value'\n");
printf(" --variable=varname print specified variable entry to stdout\n");
printf(" --cflags print required CFLAGS to stdout\n");
printf(" --cflags-only-I print required include-dir CFLAGS to stdout\n");
printf(" --cflags-only-other print required non-include-dir CFLAGS to stdout\n");
printf(" --libs print required linker flags to stdout\n");
printf(" --libs-only-L print required LDPATH linker flags to stdout\n");
printf(" --libs-only-l print required LIBNAME linker flags to stdout\n");
printf(" --libs-only-other print required other linker flags to stdout\n");
printf(" --print-requires print required dependency frameworks to stdout\n");
printf(" --print-requires-private print required dependency frameworks for static\n");
printf(" linking to stdout\n");
printf(" --print-provides print provided dependencies to stdout\n");
printf(" --print-variables print all known variables in module to stdout\n");
#ifndef PKGCONF_LITE
printf(" --digraph print entire dependency graph in graphviz 'dot' format\n");
printf(" --solution print dependency graph solution in a simple format\n");
#endif
printf(" --keep-system-cflags keep -I%s entries in cflags output\n", SYSTEM_INCLUDEDIR);
printf(" --keep-system-libs keep -L%s entries in libs output\n", SYSTEM_LIBDIR);
printf(" --path show the exact filenames for any matching .pc files\n");
printf(" --modversion print the specified module's version to stdout\n");
printf(" --internal-cflags do not filter 'internal' cflags from output\n");
printf(" --license print the specified module's license to stdout if known\n");
printf(" --source print the specified module's source code location to stdout if known\n");
printf(" --exists-cflags add -DHAVE_FOO fragments to cflags for each found module\n");
printf("\nfiltering output:\n\n");
#ifndef PKGCONF_LITE
printf(" --msvc-syntax print translatable fragments in MSVC syntax\n");
#endif
printf(" --fragment-filter=types filter output fragments to the specified types\n");
printf(" --env=prefix print output as shell-compatible environmental variables\n");
printf(" --fragment-tree visualize printed CFLAGS/LIBS fragments as a tree\n");
printf(" --newlines use newlines for whitespace between fragments\n");
printf("\nreport bugs to <%s>.\n", PACKAGE_BUGREPORT);
}
int
main(int argc, char *argv[])
{
int ret;
pkgconf_cli_state_t state = {
.want_flags = 0,
};
pkgconf_list_t dir_list = PKGCONF_LIST_INITIALIZER;
char *env_traverse_depth;
char *logfile_arg = NULL;
pkgconf_cross_personality_t *personality = NULL;
if (pkgconf_pledge("stdio rpath wpath cpath unveil", NULL) == -1)
{
fprintf(stderr, "pkgconf: pledge failed: %s\n", strerror(errno));
return EXIT_FAILURE;
}
#ifdef _WIN32
/* When running regression tests in cygwin, and building native
* executable, tests fail unless native executable outputs unix
* line endings. Come to think of it, this will probably help
* real people who use cygwin build environments but native pkgconf, too.
*/
_setmode(fileno(stdout), O_BINARY);
_setmode(fileno(stderr), O_BINARY);
#endif
struct pkg_option options[] = {
{ "version", no_argument, &state.want_flags, PKG_VERSION|PKG_PRINT_ERRORS, },
{ "about", no_argument, &state.want_flags, PKG_ABOUT|PKG_PRINT_ERRORS, },
{ "atleast-version", required_argument, NULL, 2, },
{ "atleast-pkgconfig-version", required_argument, NULL, 3, },
{ "libs", no_argument, &state.want_flags, PKG_LIBS|PKG_PRINT_ERRORS, },
{ "cflags", no_argument, &state.want_flags, PKG_CFLAGS|PKG_PRINT_ERRORS, },
{ "modversion", no_argument, &state.want_flags, PKG_MODVERSION|PKG_PRINT_ERRORS, },
{ "variable", required_argument, NULL, 7, },
{ "exists", no_argument, &state.want_flags, PKG_EXISTS, },
{ "print-errors", no_argument, &state.want_flags, PKG_PRINT_ERRORS, },
{ "short-errors", no_argument, &state.want_flags, PKG_SHORT_ERRORS, },
{ "maximum-traverse-depth", required_argument, NULL, 11, },
{ "static", no_argument, &state.want_flags, PKG_STATIC, },
{ "shared", no_argument, &state.want_flags, PKG_SHARED, },
{ "pure", no_argument, &state.want_flags, PKG_PURE, },
{ "print-requires", no_argument, &state.want_flags, PKG_REQUIRES, },
{ "print-variables", no_argument, &state.want_flags, PKG_VARIABLES|PKG_PRINT_ERRORS, },
#ifndef PKGCONF_LITE
{ "digraph", no_argument, &state.want_flags, PKG_DIGRAPH, },
{ "solution", no_argument, &state.want_flags, PKG_SOLUTION, },
#endif
{ "help", no_argument, &state.want_flags, PKG_HELP, },
{ "env-only", no_argument, &state.want_flags, PKG_ENV_ONLY, },
{ "print-requires-private", no_argument, &state.want_flags, PKG_REQUIRES_PRIVATE, },
{ "cflags-only-I", no_argument, &state.want_flags, PKG_CFLAGS_ONLY_I|PKG_PRINT_ERRORS, },
{ "cflags-only-other", no_argument, &state.want_flags, PKG_CFLAGS_ONLY_OTHER|PKG_PRINT_ERRORS, },
{ "libs-only-L", no_argument, &state.want_flags, PKG_LIBS_ONLY_LDPATH|PKG_PRINT_ERRORS, },
{ "libs-only-l", no_argument, &state.want_flags, PKG_LIBS_ONLY_LIBNAME|PKG_PRINT_ERRORS, },
{ "libs-only-other", no_argument, &state.want_flags, PKG_LIBS_ONLY_OTHER|PKG_PRINT_ERRORS, },
{ "uninstalled", no_argument, &state.want_flags, PKG_UNINSTALLED, },
{ "no-uninstalled", no_argument, &state.want_flags, PKG_NO_UNINSTALLED, },
{ "keep-system-cflags", no_argument, &state.want_flags, PKG_KEEP_SYSTEM_CFLAGS, },
{ "keep-system-libs", no_argument, &state.want_flags, PKG_KEEP_SYSTEM_LIBS, },
{ "define-variable", required_argument, NULL, 27, },
{ "exact-version", required_argument, NULL, 28, },
{ "max-version", required_argument, NULL, 29, },
{ "ignore-conflicts", no_argument, &state.want_flags, PKG_IGNORE_CONFLICTS, },
{ "errors-to-stdout", no_argument, &state.want_flags, PKG_ERRORS_ON_STDOUT, },
{ "silence-errors", no_argument, &state.want_flags, PKG_SILENCE_ERRORS, },
{ "list-all", no_argument, &state.want_flags, PKG_LIST|PKG_PRINT_ERRORS, },
{ "list-package-names", no_argument, &state.want_flags, PKG_LIST_PACKAGE_NAMES|PKG_PRINT_ERRORS, },
#ifndef PKGCONF_LITE
{ "simulate", no_argument, &state.want_flags, PKG_SIMULATE, },
#endif
{ "no-cache", no_argument, &state.want_flags, PKG_NO_CACHE, },
{ "print-provides", no_argument, &state.want_flags, PKG_PROVIDES, },
{ "no-provides", no_argument, &state.want_flags, PKG_NO_PROVIDES, },
{ "debug", no_argument, &state.want_flags, PKG_DEBUG|PKG_PRINT_ERRORS, },
{ "validate", no_argument, &state.want_flags, PKG_VALIDATE|PKG_PRINT_ERRORS|PKG_ERRORS_ON_STDOUT },
{ "log-file", required_argument, NULL, 40 },
{ "path", no_argument, &state.want_flags, PKG_PATH },
{ "with-path", required_argument, NULL, 42 },
{ "prefix-variable", required_argument, NULL, 43 },
{ "define-prefix", no_argument, &state.want_flags, PKG_DEFINE_PREFIX },
{ "relocate", required_argument, NULL, 45 },
{ "dont-define-prefix", no_argument, &state.want_flags, PKG_DONT_DEFINE_PREFIX },
{ "dont-relocate-paths", no_argument, &state.want_flags, PKG_DONT_RELOCATE_PATHS },
{ "env", required_argument, NULL, 48 },
#ifndef PKGCONF_LITE
{ "msvc-syntax", no_argument, &state.want_flags, PKG_MSVC_SYNTAX },
#endif
{ "fragment-filter", required_argument, NULL, 50 },
{ "internal-cflags", no_argument, &state.want_flags, PKG_INTERNAL_CFLAGS },
#ifndef PKGCONF_LITE
{ "dump-personality", no_argument, &state.want_flags, PKG_DUMP_PERSONALITY },
{ "personality", required_argument, NULL, 53 },
#endif
{ "license", no_argument, &state.want_flags, PKG_DUMP_LICENSE },
{ "license-file", no_argument, &state.want_flags, PKG_DUMP_LICENSE_FILE },
{ "verbose", no_argument, NULL, 55 },
{ "exists-cflags", no_argument, &state.want_flags, PKG_EXISTS_CFLAGS },
{ "fragment-tree", no_argument, &state.want_flags, PKG_FRAGMENT_TREE },
{ "source", no_argument, &state.want_flags, PKG_DUMP_SOURCE },
{ "newlines", no_argument, &state.want_flags, PKG_NEWLINES },
{ NULL, 0, NULL, 0 }
};
#ifndef PKGCONF_LITE
if (getenv("PKG_CONFIG_EARLY_TRACE"))
{
state.error_msgout = stderr;
pkgconf_client_set_trace_handler(&state.pkg_client, error_handler, NULL);
}
#endif
while ((ret = pkg_getopt_long_only(argc, argv, "", options, NULL)) != -1)
{
switch (ret)
{
case 2:
state.required_module_version = pkg_optarg;
break;
case 3:
state.required_pkgconfig_version = pkg_optarg;
break;
case 7:
state.want_variable = pkg_optarg;
break;
case 11:
state.maximum_traverse_depth = atoi(pkg_optarg);
break;
case 27:
pkgconf_tuple_define_global(&state.pkg_client, pkg_optarg);
break;
case 28:
state.required_exact_module_version = pkg_optarg;
break;
case 29:
state.required_max_module_version = pkg_optarg;
break;
case 40:
logfile_arg = pkg_optarg;
break;
case 42:
pkgconf_path_prepend(pkg_optarg, &dir_list, true);
break;
case 43:
pkgconf_client_set_prefix_varname(&state.pkg_client, pkg_optarg);
break;
case 45:
relocate_path(pkg_optarg);
return EXIT_SUCCESS;
case 48:
state.want_env_prefix = pkg_optarg;
break;
case 50:
state.want_fragment_filter = pkg_optarg;
break;
#ifndef PKGCONF_LITE
case 53:
personality = pkgconf_cross_personality_find(pkg_optarg);
break;
#endif
case 55:
state.verbosity++;
break;
case '?':
case ':':
ret = EXIT_FAILURE;
goto out;
default:
break;
}
}
if (personality == NULL) {
#ifndef PKGCONF_LITE
personality = deduce_personality(argv);
#else
personality = pkgconf_cross_personality_default();
#endif
}
/* now, bring up the client. settings are preserved since the client is prealloced */
pkgconf_client_init(&state.pkg_client, error_handler, &state, personality, &state, environ_lookup_handler);
#ifndef PKGCONF_LITE
if (getenv("PKG_CONFIG_MSVC_SYNTAX") != NULL)
state.want_flags |= PKG_MSVC_SYNTAX;
#endif
if ((env_traverse_depth = getenv("PKG_CONFIG_MAXIMUM_TRAVERSE_DEPTH")) != NULL)
state.maximum_traverse_depth = atoi(env_traverse_depth);
if ((state.want_flags & PKG_PRINT_ERRORS) != PKG_PRINT_ERRORS)
state.want_flags |= (PKG_SILENCE_ERRORS);
if ((state.want_flags & PKG_SILENCE_ERRORS) == PKG_SILENCE_ERRORS && !getenv("PKG_CONFIG_DEBUG_SPEW"))
state.want_flags |= (PKG_SILENCE_ERRORS);
else
state.want_flags &= ~(PKG_SILENCE_ERRORS);
if (getenv("PKG_CONFIG_DONT_RELOCATE_PATHS"))
state.want_flags |= (PKG_DONT_RELOCATE_PATHS);
if ((state.want_flags & PKG_VALIDATE) == PKG_VALIDATE || (state.want_flags & PKG_DEBUG) == PKG_DEBUG)
pkgconf_client_set_warn_handler(&state.pkg_client, error_handler, NULL);
#ifndef PKGCONF_LITE
if ((state.want_flags & PKG_DEBUG) == PKG_DEBUG)
pkgconf_client_set_trace_handler(&state.pkg_client, error_handler, NULL);
#endif
pkgconf_path_prepend_list(&state.pkg_client.dir_list, &dir_list);
pkgconf_path_free(&dir_list);
if ((state.want_flags & PKG_ABOUT) == PKG_ABOUT)
{
about();
ret = EXIT_SUCCESS;
goto out;
}
if ((state.want_flags & PKG_VERSION) == PKG_VERSION)
{
version();
ret = EXIT_SUCCESS;
goto out;
}
if ((state.want_flags & PKG_HELP) == PKG_HELP)
{
usage();
ret = EXIT_SUCCESS;
goto out;
}
if (logfile_arg == NULL)
logfile_arg = getenv("PKG_CONFIG_LOG");
if (logfile_arg != NULL)
{
if (pkgconf_unveil(logfile_arg, "rwc") == -1)
{
fprintf(stderr, "pkgconf: unveil failed: %s\n", strerror(errno));
return EXIT_FAILURE;
}
state.logfile_out = fopen(logfile_arg, "a");
pkgconf_audit_set_log(&state.pkg_client, state.logfile_out);
}
if (getenv("PKG_CONFIG_ALLOW_SYSTEM_CFLAGS") != NULL)
state.want_flags |= PKG_KEEP_SYSTEM_CFLAGS;
if (getenv("PKG_CONFIG_ALLOW_SYSTEM_LIBS") != NULL)
state.want_flags |= PKG_KEEP_SYSTEM_LIBS;
return pkgconf_cli_run(&state, argc, argv, pkg_optind);
out:
pkgconf_cli_state_reset(&state);
return ret;
}
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