Add compile-in flag to program version output.

Then we can check if tools are compiled with a support for specific
extension/library.

src/cryptsetup.c

@@ -2899,8 +2899,7 @@ static void help(poptContext popt_context,
 		struct action_type *action;
 		const struct crypt_pbkdf_type *pbkdf_luks1, *pbkdf_luks2;
 
-		log_std("%s\n",PACKAGE_STRING);
+		tools_package_version(PACKAGE_NAME, true);
-
 		poptPrintHelp(popt_context, stdout, 0);
 
 		log_std(_("\n"
@@ -2958,7 +2957,7 @@ static void help(poptContext popt_context,
 		poptFreeContext(popt_context);
 		exit(EXIT_SUCCESS);
 	} else if (key->shortName == 'V') {
-		log_std("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
+		tools_package_version(PACKAGE_NAME, true);
 		tools_cleanup();
 		poptFreeContext(popt_context);
 		exit(EXIT_SUCCESS);

src/cryptsetup.h

@@ -73,6 +73,7 @@ typedef enum { CREATED, UNLOCKED, REMOVED  } crypt_object_op;
 void tools_keyslot_msg(int keyslot, crypt_object_op op);
 void tools_token_msg(int token, crypt_object_op op);
 void tools_token_error_msg(int error, const char *type, int token, bool pin_provided);
+void tools_package_version(const char *name, bool use_pwlibs);
 
 extern volatile int quit;
 void set_int_block(int block);

src/integritysetup.c

@@ -540,7 +540,7 @@ static void help(poptContext popt_context,
 	struct action_type *action;
 
 	if (key->shortName == '?') {
-		log_std("%s %s\n", PACKAGE_INTEGRITY, PACKAGE_VERSION);
+		tools_package_version(PACKAGE_INTEGRITY, false);
 		poptPrintHelp(popt_context, stdout, 0);
 		log_std(_("\n"
 			 "<action> is one of:\n"));
@@ -559,7 +559,7 @@ static void help(poptContext popt_context,
 		poptFreeContext(popt_context);
 		exit(EXIT_SUCCESS);
 	} else if (key->shortName == 'V') {
-		log_std("%s %s\n", PACKAGE_INTEGRITY, PACKAGE_VERSION);
+		tools_package_version(PACKAGE_INTEGRITY, false);
 		tools_cleanup();
 		poptFreeContext(popt_context);
 		exit(EXIT_SUCCESS);

src/utils_tools.c

@@ -432,3 +432,32 @@ int tools_write_mk(const char *file, const char *key, int keysize)
 	close(fd);
 	return r;
 }
+
+void tools_package_version(const char *name, bool use_pwlibs)
+{
+	log_std("%s %s flags: %s%s\n", name, PACKAGE_VERSION,
+#ifdef USE_UDEV
+	"UDEV "
+#endif
+#ifdef HAVE_BLKID
+	"BLKID "
+#endif
+#ifdef KERNEL_KEYRING
+	"KEYRING "
+#endif
+#ifdef ENABLE_FIPS
+	"FIPS "
+#endif
+#ifdef ENABLE_AF_ALG
+	"KERNEL_CAPI "
+#endif
+	,
+#if defined(ENABLE_PWQUALITY)
+	use_pwlibs ? "PWQUALITY " : ""
+#elif defined(ENABLE_PASSWDQC)
+	use_pwlibs ? "PASSWDQC " : ""
+#else
+	""
+#endif
+	);
+}

src/veritysetup.c

@@ -493,7 +493,7 @@ static void help(poptContext popt_context,
 	struct action_type *action;
 
 	if (key->shortName == '?') {
-		log_std("%s %s\n", PACKAGE_VERITY, PACKAGE_VERSION);
+		tools_package_version(PACKAGE_VERITY, false);
 		poptPrintHelp(popt_context, stdout, 0);
 		log_std(_("\n"
 			 "<action> is one of:\n"));
@@ -516,7 +516,7 @@ static void help(poptContext popt_context,
 		poptFreeContext(popt_context);
 		exit(EXIT_SUCCESS);
 	} else if (key->shortName == 'V') {
-		log_std("%s %s\n", PACKAGE_VERITY, PACKAGE_VERSION);
+		tools_package_version(PACKAGE_VERITY, false);
 		tools_cleanup();
 		poptFreeContext(popt_context);
 		exit(EXIT_SUCCESS);