===================================================================
RCS file: /cvs/mandoc/configure,v
retrieving revision 1.38
retrieving revision 1.43.2.1
diff -u -p -r1.38 -r1.43.2.1
--- mandoc/configure	2016/05/18 21:37:04	1.38
+++ mandoc/configure	2016/07/20 14:14:07	1.43.2.1
@@ -1,5 +1,7 @@
 #!/bin/sh
 #
+# $Id: configure,v 1.43.2.1 2016/07/20 14:14:07 schwarze Exp $
+#
 # Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
 #
 # Permission to use, copy, modify, and distribute this software for any
@@ -34,9 +36,12 @@ echo "config.log: writing..."
 MANPATH_DEFAULT="/usr/share/man:/usr/X11R6/man:/usr/local/man"
 OSNAME=
 
-CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | make -f -`
-CFLAGS="-g -W -Wall -Wstrict-prototypes -Wno-unused-parameter -Wwrite-strings"
+CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | env -i make -f -`
+CFLAGS="-g -W -Wall -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings"
+CFLAGS="${CFLAGS} -Wno-unused-parameter"
 LDADD=
+LDFLAGS=
+LD_NANOSLEEP=
 LD_OHASH=
 LD_SQLITE3=
 STATIC="-static"
@@ -52,11 +57,13 @@ HAVE_GETSUBOPT=
 HAVE_ISBLANK=
 HAVE_MKDTEMP=
 HAVE_MMAP=
+HAVE_NANOSLEEP=
 HAVE_PLEDGE=
 HAVE_PROGNAME=
 HAVE_REALLOCARRAY=
 HAVE_REWB_BSD=
 HAVE_REWB_SYSV=
+HAVE_SANDBOX_INIT=
 HAVE_STRCASESTR=
 HAVE_STRINGLIST=
 HAVE_STRLCAT=
@@ -185,6 +192,7 @@ runtest isblank		ISBLANK		|| true
 runtest mkdtemp		MKDTEMP		|| true
 runtest mmap		MMAP		|| true
 runtest pledge		PLEDGE		|| true
+runtest sandbox_init	SANDBOX_INIT	|| true
 runtest progname	PROGNAME	|| true
 runtest reallocarray	REALLOCARRAY	|| true
 runtest rewb-bsd	REWB_BSD	|| true
@@ -237,6 +245,20 @@ else
 	runtest sqlite3_errstr SQLITE3_ERRSTR "${LD_SQLITE3}" || true
 fi
 
+# --- nanosleep ---
+if [ -n "${LD_NANOSLEEP}" ]; then
+	runtest nanosleep NANOSLEEP "${LD_NANOSLEEP}" || true
+elif singletest nanosleep NANOSLEEP; then
+	:
+elif runtest nanosleep NANOSLEEP "-lrt"; then
+	LD_NANOSLEEP="-lrt"
+fi
+if [ "${HAVE_NANOSLEEP}" -eq 0 ]; then
+	echo "FATAL: nanosleep: no" 1>&2
+	echo "FATAL: nanosleep: no" 1>&3
+	exit 1
+fi
+
 # --- ohash ---
 if ismanual ohash "${HAVE_OHASH}"; then
 	:
@@ -252,7 +274,7 @@ if [ "${HAVE_OHASH}" -eq 0 ]; then
 fi
 
 # --- LDADD ---
-LDADD="${LDADD} ${LD_SQLITE3} ${LD_OHASH} -lz"
+LDADD="${LDADD} ${LD_SQLITE3} ${LD_NANOSLEEP} ${LD_OHASH} -lz"
 echo "LDADD=\"${LDADD}\"" 1>&2
 echo "LDADD=\"${LDADD}\"" 1>&3
 echo 1>&3
@@ -281,8 +303,9 @@ cat << __HEREDOC__
 #error "Do not use C++.  See the INSTALL file."
 #endif
 
-#ifndef MANDOC_CONFIG_H
-#define MANDOC_CONFIG_H
+#if !defined(__GNUC__) || (__GNUC__ < 4)
+#define __attribute__(x)
+#endif
 
 #if defined(__linux__) || defined(__MINT__)
 #define _GNU_SOURCE	/* See test-*.c what needs this. */
@@ -316,6 +339,7 @@ cat << __HEREDOC__
 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
 #define HAVE_REWB_BSD ${HAVE_REWB_BSD}
 #define HAVE_REWB_SYSV ${HAVE_REWB_SYSV}
+#define HAVE_SANDBOX_INIT ${HAVE_SANDBOX_INIT}
 #define HAVE_STRCASESTR ${HAVE_STRCASESTR}
 #define HAVE_STRINGLIST ${HAVE_STRINGLIST}
 #define HAVE_STRLCAT ${HAVE_STRLCAT}
@@ -386,9 +410,6 @@ fi
 [ ${HAVE_VASPRINTF} -eq 0 ] && \
 	echo "extern	int	  vasprintf(char **, const char *, va_list);"
 
-echo
-echo "#endif /* MANDOC_CONFIG_H */"
-
 echo "config.h: written" 1>&2
 echo "config.h: written" 1>&3
 
@@ -428,6 +449,7 @@ INSTALL_TARGETS	= ${INSTALL_TARGETS}
 CC		= ${CC}
 CFLAGS		= ${CFLAGS}
 LDADD		= ${LDADD}
+LDFLAGS		= ${LDFLAGS}
 STATIC		= ${STATIC}
 PREFIX		= ${PREFIX}
 BINDIR		= ${BINDIR}