Merge pull request #57 from NLnetLabs/show-build-options

Introduce `-V` option to print the version number and build options.

config.h.in

@@ -15,6 +15,9 @@
 /* Do sha512 definitions in config.h */
 #undef COMPAT_SHA512
 
+/* Command line arguments used with configure */
+#undef CONFCMDLINE
+
 /* Pathname to the Unbound configuration file */
 #undef CONFIGFILE
 

configure

@@ -2,7 +2,7 @@
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.69 for unbound 1.9.3.
 #
-# Report bugs to <unbound-bugs@nlnetlabs.nl>.
+# Report bugs to <unbound-bugs@nlnetlabs.nl or https://github.com/NLnetLabs/unbound/issues>.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -275,10 +275,11 @@ fi
     $as_echo "$0: be upgraded to zsh 4.3.4 or later."
   else
     $as_echo "$0: Please tell bug-autoconf@gnu.org and
-$0: unbound-bugs@nlnetlabs.nl about your system, including
+$0: unbound-bugs@nlnetlabs.nl or
-$0: any error possibly output before this message. Then
+$0: https://github.com/NLnetLabs/unbound/issues about your
-$0: install a modern shell, or manually run the script
+$0: system, including any error possibly output before this
-$0: under such a shell if you do have one."
+$0: message. Then install a modern shell, or manually run
+$0: the script under such a shell if you do have one."
   fi
   exit 1
 fi
@@ -592,7 +593,7 @@ PACKAGE_NAME='unbound'
 PACKAGE_TARNAME='unbound'
 PACKAGE_VERSION='1.9.3'
 PACKAGE_STRING='unbound 1.9.3'
-PACKAGE_BUGREPORT='unbound-bugs@nlnetlabs.nl'
+PACKAGE_BUGREPORT='unbound-bugs@nlnetlabs.nl or https://github.com/NLnetLabs/unbound/issues'
 PACKAGE_URL=''
 
 # Factoring default headers for most tests.
@@ -1665,7 +1666,7 @@ Some influential environment variables:
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
-Report bugs to <unbound-bugs@nlnetlabs.nl>.
+Report bugs to <unbound-bugs@nlnetlabs.nl or https://github.com/NLnetLabs/unbound/issues>.
 _ACEOF
 ac_status=$?
 fi
@@ -1887,9 +1888,9 @@ $as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
 $as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
 $as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-( $as_echo "## ---------------------------------------- ##
+( $as_echo "## --------------------------------------------------------------------------------------- ##
-## Report this to unbound-bugs@nlnetlabs.nl ##
+## Report this to unbound-bugs@nlnetlabs.nl or https://github.com/NLnetLabs/unbound/issues ##
-## ---------------------------------------- ##"
+## --------------------------------------------------------------------------------------- ##"
      ) | sed "s/^/$as_me: WARNING:     /" >&2
     ;;
 esac
@@ -2887,6 +2888,12 @@ LIBUNBOUND_AGE=1
 
 
 
+
+cat >>confdefs.h <<_ACEOF
+#define CONFCMDLINE "$@"
+_ACEOF
+
+
 CFLAGS="$CFLAGS"
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -21843,7 +21850,7 @@ $config_headers
 Configuration commands:
 $config_commands
 
-Report bugs to <unbound-bugs@nlnetlabs.nl>."
+Report bugs to <unbound-bugs@nlnetlabs.nl or https://github.com/NLnetLabs/unbound/issues>."
 
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1

configure.ac

@@ -12,7 +12,7 @@ sinclude(dnscrypt/dnscrypt.m4)
 m4_define([VERSION_MAJOR],[1])
 m4_define([VERSION_MINOR],[9])
 m4_define([VERSION_MICRO],[3])
-AC_INIT(unbound, m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]), unbound-bugs@nlnetlabs.nl, unbound)
+AC_INIT(unbound, m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]), unbound-bugs@nlnetlabs.nl or https://github.com/NLnetLabs/unbound/issues, unbound)
 AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
 AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
 AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
@@ -112,6 +112,8 @@ AC_SUBST(LIBUNBOUND_CURRENT)
 AC_SUBST(LIBUNBOUND_REVISION)
 AC_SUBST(LIBUNBOUND_AGE)
 
+AC_DEFINE_UNQUOTED(CONFCMDLINE, "$@", [Command line arguments used with configure])
+
 CFLAGS="$CFLAGS"
 AC_AIX
 if test "$ac_cv_header_minix_config_h" = "yes"; then

daemon/unbound.c

@@ -88,31 +88,20 @@
 #  include "nss.h"
 #endif
 
-/** print usage. */
+/** print build options. */
-static void usage(void)
+static void
+print_build_options(void)
 {
 	const char** m;
 	const char *evnm="event", *evsys="", *evmethod="";
 	time_t t;
 	struct timeval now;
 	struct ub_event_base* base;
-	printf("usage:  unbound [options]\n");
+	printf("Version %s\n\n", PACKAGE_VERSION);
-	printf("	start unbound daemon DNS resolver.\n");
+	printf("Configure line: %s\n", CONFCMDLINE);
-	printf("-h	this help\n");
-	printf("-c file	config file to read instead of %s\n", CONFIGFILE);
-	printf("	file format is described in unbound.conf(5).\n");
-	printf("-d	do not fork into the background.\n");
-	printf("-p	do not create a pidfile.\n");
-	printf("-v	verbose (more times to increase verbosity)\n");
-#ifdef UB_ON_WINDOWS
-	printf("-w opt	windows option: \n");
-	printf("   	install, remove - manage the services entry\n");
-	printf("   	service - used to start from services control panel\n");
-#endif
-	printf("Version %s\n", PACKAGE_VERSION);
 	base = ub_default_event_base(0,&t,&now);
 	ub_get_event_sys(base, &evnm, &evsys, &evmethod);
-	printf("linked libs: %s %s (it uses %s), %s\n", 
+	printf("Linked libs: %s %s (it uses %s), %s\n",
 		evnm, evsys, evmethod,
 #ifdef HAVE_SSL
 #  ifdef SSLEAY_VERSION
@@ -126,16 +115,39 @@ static void usage(void)
 		"nettle"
 #endif
 		);
-	printf("linked modules:");
+	printf("Linked modules:");
 	for(m = module_list_avail(); *m; m++)
 		printf(" %s", *m);
 	printf("\n");
 #ifdef USE_DNSCRYPT
 	printf("DNSCrypt feature available\n");
 #endif
+	ub_event_base_free(base);
+	printf("\nBSD licensed, see LICENSE in source package for details.\n");
+	printf("Report bugs to %s\n", PACKAGE_BUGREPORT);
+}
+
+/** print usage. */
+static void
+usage(void)
+{
+	printf("usage:  unbound [options]\n");
+	printf("	start unbound daemon DNS resolver.\n");
+	printf("-h	this help.\n");
+	printf("-c file	config file to read instead of %s\n", CONFIGFILE);
+	printf("	file format is described in unbound.conf(5).\n");
+	printf("-d	do not fork into the background.\n");
+	printf("-p	do not create a pidfile.\n");
+	printf("-v	verbose (more times to increase verbosity).\n");
+	printf("-V	show version number and build options.\n");
+#ifdef UB_ON_WINDOWS
+	printf("-w opt	windows option: \n");
+	printf("   	install, remove - manage the services entry\n");
+	printf("   	service - used to start from services control panel\n");
+#endif
+	printf("\nVersion %s\n", PACKAGE_VERSION);
 	printf("BSD licensed, see LICENSE in source package for details.\n");
 	printf("Report bugs to %s\n", PACKAGE_BUGREPORT);
-	ub_event_base_free(base);
 }
 
 #ifndef unbound_testbound
@@ -720,7 +732,7 @@ main(int argc, char* argv[])
 	log_ident_default = strrchr(argv[0],'/')?strrchr(argv[0],'/')+1:argv[0];
 	log_ident_set(log_ident_default);
 	/* parse the options */
-	while( (c=getopt(argc, argv, "c:dhpvw:")) != -1) {
+	while( (c=getopt(argc, argv, "c:dhpvw:V")) != -1) {
 		switch(c) {
 		case 'c':
 			cfgfile = optarg;
@@ -741,6 +753,9 @@ main(int argc, char* argv[])
 		case 'w':
 			winopt = optarg;
 			break;
+		case 'V':
+			print_build_options();
+			return 0;
 		case '?':
 		case 'h':
 		default:

doc/Changelog

@@ -1,6 +1,12 @@
 14 August 2019: Wouter
 	- Generate configlexer with newer flex.
 
+12 August 2019: George
+	- Introduce `-V` option to print the version number and build options.
+	  Previously reported build options like linked libs and linked modules
+	  are now moved from `-h` to `-V` as well for consistency.
+	- PACKAGE_BUGREPORT now also includes link to GitHub issues.
+
 1 August 2019: Wouter
 	- For #52 #53, second context does not close logfile override.
 	- Fix #52 #53, fix for example fail program.

doc/unbound.8.in

@@ -54,7 +54,7 @@ resolvers are using the same port number (53).
 The available options are:
 .TP
 .B \-h
-Show the version and commandline option help.
+Show the version number and commandline option help, and exit.
 .TP
 .B \-c\fI cfgfile
 Set the config file with settings for unbound to read instead of reading the
@@ -76,6 +76,9 @@ concurrently.
 .B \-v
 Increase verbosity. If given multiple times, more information is logged.
 This is in addition to the verbosity (if any) from the config file.
+.TP
+.B \-V
+Show the version number and build options, and exit.
 .SH "SEE ALSO"
 \fIunbound.conf\fR(5),
 \fIunbound\-checkconf\fR(8),