===================================================================
RCS file: /cvs/mandoc/configure,v
retrieving revision 1.67
retrieving revision 1.71
diff -u -p -r1.67 -r1.71
--- mandoc/configure	2018/08/15 02:15:52	1.67
+++ mandoc/configure	2019/07/01 22:56:24	1.71
@@ -1,8 +1,8 @@
 #!/bin/sh
 #
-# $Id: configure,v 1.67 2018/08/15 02:15:52 schwarze Exp $
+# $Id: configure,v 1.71 2019/07/01 22:56:24 schwarze Exp $
 #
-# Copyright (c) 2014,2015,2016,2017,2018 Ingo Schwarze <schwarze@openbsd.org>
+# Copyright (c) 2014-2019 Ingo Schwarze <schwarze@openbsd.org>
 #
 # Permission to use, copy, modify, and distribute this software for any
 # purpose with or without fee is hereby granted, provided that the above
@@ -37,6 +37,7 @@ SOURCEDIR=`dirname "$0"`
 
 MANPATH_BASE="/usr/share/man:/usr/X11R6/man"
 MANPATH_DEFAULT="/usr/share/man:/usr/X11R6/man:/usr/local/man"
+OSENUM=
 OSNAME=
 UTF8_LOCALE=
 
@@ -64,6 +65,7 @@ HAVE_FTS_COMPARE_CONST=
 HAVE_GETLINE=
 HAVE_GETSUBOPT=
 HAVE_ISBLANK=
+HAVE_LESS_T=
 HAVE_MKDTEMP=
 HAVE_NANOSLEEP=
 HAVE_NTOHL=
@@ -219,6 +221,26 @@ get_locale() {
 	return 0;
 }
 
+# --- operating system -------------------------------------------------
+
+if [ -n "${OSENUM}" ]; then
+	echo "OSENUM specified manually: ${OSENUM}" 1>&2
+	echo "OSENUM specified manually: ${OSENUM}" 1>&3
+else
+	OSDETECT=`uname`
+	if [ "X${OSDETECT}" = "XNetBSD" ]; then
+		OSENUM=MANDOC_OS_NETBSD
+	elif [ "X${OSDETECT}" = "XOpenBSD" ]; then
+		OSENUM=MANDOC_OS_OPENBSD
+	else
+		OSENUM=MANDOC_OS_OTHER
+	fi
+	echo "tested operating system: ${OSDETECT} -> OSENUM=${OSENUM}" 1>&2
+	echo "tested operating system: ${OSDETECT} -> OSENUM=${OSENUM}" 1>&3
+	unset OSDETECT
+fi
+echo 1>&3
+
 # --- compiler options -------------------------------------------------
 
 DEFCFLAGS="-g -W -Wall -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings -Wno-unused-parameter"
@@ -313,6 +335,20 @@ else
 	runtest fts FTS || true
 fi
 
+if ismanual "less -T" LESS_T ${HAVE_LESS_T}; then
+	:
+elif less -ET /dev/null test-noop.c 1>/dev/null 2>&3; then
+	HAVE_LESS_T=1
+	echo "tested less -T: yes" 1>&2
+	echo "tested less -T: yes" 1>&3
+	echo 1>&3
+else
+	HAVE_LESS_T=0
+	echo "tested less -T: no" 1>&2
+	echo "tested less -T: no" 1>&3
+	echo 1>&3
+fi
+
 # --- wide character and locale support ---
 if get_locale; then
 	singletest wchar WCHAR -DUTF8_LOCALE=\"${UTF8_LOCALE}\" || \
@@ -419,6 +455,7 @@ echo
 echo "#define MAN_CONF_FILE \"/etc/${MANM_MANCONF}\""
 echo "#define MANPATH_BASE \"${MANPATH_BASE}\""
 echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\""
+echo "#define OSENUM ${OSENUM}"
 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
 [ -n "${UTF8_LOCALE}" ] && echo "#define UTF8_LOCALE \"${UTF8_LOCALE}\""
 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
@@ -440,6 +477,7 @@ cat << __HEREDOC__
 #define HAVE_GETLINE ${HAVE_GETLINE}
 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 #define HAVE_ISBLANK ${HAVE_ISBLANK}
+#define HAVE_LESS_T ${HAVE_LESS_T}
 #define HAVE_MKDTEMP ${HAVE_MKDTEMP}
 #define HAVE_NTOHL ${HAVE_NTOHL}
 #define HAVE_PLEDGE ${HAVE_PLEDGE}
@@ -491,7 +529,7 @@ fi
 	echo "extern	char	 *mkdtemp(char *);"
 
 if [ ${HAVE_PROGNAME} -eq 0 ]; then
-	echo "extern 	const char *getprogname(void);"
+	echo "extern	const char *getprogname(void);"
 	echo "extern	void	  setprogname(const char *);"
 fi