Check if UNIX 03 is needed for CMSG_DATA, for newer Solaris. From Eric N Vander

Weele.
This commit is contained in:
Nicholas Marriott 2020-09-25 10:04:52 +01:00
parent a880237141
commit f70eda3817

View File

@ -328,8 +328,9 @@ AC_SEARCH_LIBS(inet_ntoa, nsl)
AC_SEARCH_LIBS(socket, socket)
AC_CHECK_LIB(xnet, socket)
# Check for CMSG_DATA. Some platforms require _XOPEN_SOURCE_EXTENDED (for
# example see xopen_networking(7) on HP-UX).
# Check for CMSG_DATA. On some platforms like HP-UX this requires UNIX 95
# (_XOPEN_SOURCE and _XOPEN_SOURCE_EXTENDED) (see xopen_networking(7)). On
# others, UNIX 03 (_XOPEN_SOURCE 600, see standards(7) on Solaris).
XOPEN_DEFINES=
AC_MSG_CHECKING(for CMSG_DATA)
AC_EGREP_CPP(
@ -362,6 +363,25 @@ if test "x$found_cmsg_data" = xno; then
AC_MSG_RESULT($found_cmsg_data)
if test "x$found_cmsg_data" = xyes; then
XOPEN_DEFINES="-D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED"
fi
fi
if test "x$found_cmsg_data" = xno; then
AC_MSG_CHECKING(if CMSG_DATA needs _XOPEN_SOURCE 600)
AC_EGREP_CPP(
yes,
[
#define _XOPEN_SOURCE 600
#include <sys/socket.h>
#ifdef CMSG_DATA
yes
#endif
],
found_cmsg_data=yes,
found_cmsg_data=no
)
AC_MSG_RESULT($found_cmsg_data)
if test "x$found_cmsg_data" = xyes; then
XOPEN_DEFINES="-D_XOPEN_SOURCE=600"
else
AC_MSG_ERROR("CMSG_DATA not found")
fi