===================================================================
RCS file: /cvs/mandoc/configure,v
retrieving revision 1.49
retrieving revision 1.50
diff -u -p -r1.49 -r1.50
--- mandoc/configure	2016/08/02 11:09:46	1.49
+++ mandoc/configure	2016/08/05 23:15:08	1.50
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $Id: configure,v 1.49 2016/08/02 11:09:46 schwarze Exp $
+# $Id: configure,v 1.50 2016/08/05 23:15:08 schwarze Exp $
 #
 # Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
 #
@@ -50,6 +50,7 @@ BUILD_CGI=0
 
 HAVE_DIRENT_NAMLEN=
 HAVE_EFTYPE=
+HAVE_ENDIAN=
 HAVE_ERR=
 HAVE_FTS=
 HAVE_GETLINE=
@@ -57,6 +58,7 @@ HAVE_GETSUBOPT=
 HAVE_ISBLANK=
 HAVE_MKDTEMP=
 HAVE_NANOSLEEP=
+HAVE_NTOHL=
 HAVE_OHASH=
 HAVE_PATH_MAX=
 HAVE_PLEDGE=
@@ -72,6 +74,7 @@ HAVE_STRLCPY=
 HAVE_STRPTIME=
 HAVE_STRSEP=
 HAVE_STRTONUM=
+HAVE_SYS_ENDIAN=
 HAVE_VASPRINTF=
 HAVE_WCHAR=
 
@@ -197,6 +200,8 @@ get_locale() {
 
 # --- library functions ---
 runtest dirent-namlen	DIRENT_NAMLEN	|| true
+runtest be32toh		ENDIAN		|| true
+runtest be32toh		SYS_ENDIAN	-DSYS_ENDIAN || true
 runtest EFTYPE		EFTYPE		|| true
 runtest err		ERR		|| true
 runtest fts		FTS		|| true
@@ -204,6 +209,7 @@ runtest getline		GETLINE		|| true
 runtest getsubopt	GETSUBOPT	|| true
 runtest isblank		ISBLANK		|| true
 runtest mkdtemp		MKDTEMP		|| true
+runtest ntohl		NTOHL		|| true
 runtest PATH_MAX	PATH_MAX	|| true
 runtest pledge		PLEDGE		|| true
 runtest sandbox_init	SANDBOX_INIT	|| true
@@ -220,6 +226,14 @@ runtest strsep		STRSEP		|| true
 runtest strtonum	STRTONUM	|| true
 runtest vasprintf	VASPRINTF	|| true
 
+if [ ${HAVE_ENDIAN} -eq 0 -a \
+     ${HAVE_SYS_ENDIAN} -eq 0 -a \
+     ${HAVE_NTOHL} -eq 0 ]; then
+	echo "FATAL: no endian conversion functions found" 1>&2
+	echo "FATAL: no endian conversion functions found" 1>&3
+	exit 1
+fi
+
 # --- wide character and locale support ---
 if get_locale; then
 	runtest wchar WCHAR -DUTF8_LOCALE=\"${UTF8_LOCALE}\" || true
@@ -296,15 +310,21 @@ echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\""
 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 [ ${HAVE_EFTYPE} -eq 0 ] && echo "#define EFTYPE EINVAL"
 [ ${HAVE_PATH_MAX} -eq 0 ] && echo "#define PATH_MAX 4096"
+if [ ${HAVE_ENDIAN} -eq 0 -a ${HAVE_SYS_ENDIAN} -eq 0 ]; then
+	echo "#define be32toh ntohl"
+	echo "#define htobe32 htonl"
+fi
 
 cat << __HEREDOC__
 #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN}
+#define HAVE_ENDIAN ${HAVE_ENDIAN}
 #define HAVE_ERR ${HAVE_ERR}
 #define HAVE_FTS ${HAVE_FTS}
 #define HAVE_GETLINE ${HAVE_GETLINE}
 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 #define HAVE_ISBLANK ${HAVE_ISBLANK}
 #define HAVE_MKDTEMP ${HAVE_MKDTEMP}
+#define HAVE_NTOHL ${HAVE_NTOHL}
 #define HAVE_PLEDGE ${HAVE_PLEDGE}
 #define HAVE_PROGNAME ${HAVE_PROGNAME}
 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
@@ -318,6 +338,7 @@ cat << __HEREDOC__
 #define HAVE_STRPTIME ${HAVE_STRPTIME}
 #define HAVE_STRSEP ${HAVE_STRSEP}
 #define HAVE_STRTONUM ${HAVE_STRTONUM}
+#define HAVE_SYS_ENDIAN ${HAVE_SYS_ENDIAN}
 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
 #define HAVE_WCHAR ${HAVE_WCHAR}
 #define HAVE_OHASH ${HAVE_OHASH}