Cross Reference: /freebsd-10.2-release/contrib/byacc/configure

2435 	#	_XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
2436 	#	_XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
2467 #ifndef _XOPEN_SOURCE
2500 #ifdef _XOPEN_SOURCE
2541 	# setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
2783 	cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
2786 	# setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
2791 	# setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
2800 	# setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
2812 echo "$as_me:2812: checking if we should define _XOPEN_SOURCE" >&5
2813 echo $ECHO_N "checking if we should define _XOPEN_SOURCE... $ECHO_C" >&6
2830 #ifndef _XOPEN_SOURCE
2867 #ifdef _XOPEN_SOURCE
2905 	sed	-e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ 	]*\)\?[ 	]/ /g' \
2906 		-e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ 	]*\)\?$//g'`
2909 	sed	-e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ 	]*\)\?[ 	]/ /g' \
2910 		-e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ 	]*\)\?$//g'`
3326 	echo "$as_me:3326: checking if _XOPEN_SOURCE really is set" >&5
3327 echo $ECHO_N "checking if _XOPEN_SOURCE really is set... $ECHO_C" >&6
3336 #ifndef _XOPEN_SOURCE
3374 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3402 			{ echo "$as_me:3402: WARNING: _XOPEN_SOURCE is lower than requested" >&5
3403 echo "$as_me: WARNING: _XOPEN_SOURCE is lower than requested" >&2;}
3407 echo "$as_me:3407: checking if we should define _XOPEN_SOURCE" >&5
3408 echo $ECHO_N "checking if we should define _XOPEN_SOURCE... $ECHO_C" >&6
3425 #ifndef _XOPEN_SOURCE
3462 #ifdef _XOPEN_SOURCE
3500 	sed	-e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ 	]*\)\?[ 	]/ /g' \
3501 		-e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ 	]*\)\?$//g'`
3504 	sed	-e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ 	]*\)\?[ 	]/ /g' \
3505 		-e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ 	]*\)\?$//g'`