diff options
Diffstat (limited to 'm4/sys_socket_h.m4')
| -rw-r--r-- | m4/sys_socket_h.m4 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/m4/sys_socket_h.m4 b/m4/sys_socket_h.m4 new file mode 100644 index 0000000..d3e45b4 --- /dev/null +++ b/m4/sys_socket_h.m4 @@ -0,0 +1,23 @@ +# sys_socket_h.m4 serial 2 +dnl Copyright (C) 2005, 2006 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Simon Josefsson. + +AC_DEFUN([gl_HEADER_SYS_SOCKET], +[ + AC_CHECK_HEADERS_ONCE([sys/socket.h]) + if test $ac_cv_header_sys_socket_h = yes; then + SYS_SOCKET_H='' + else + dnl We cannot use AC_CHECK_HEADERS_ONCE here, because that would make + dnl the check for those headers unconditional; yet cygwin reports + dnl that the headers are present but cannot be compiled (since on + dnl cygwin, all socket information should come from sys/socket.h). + AC_CHECK_HEADERS([winsock2.h ws2tcpip.h]) + SYS_SOCKET_H='sys/socket.h' + fi + AC_SUBST(SYS_SOCKET_H) +]) |