diff options
author | Thomas White <taw@physics.org> | 2018-05-17 15:31:45 +0200 |
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committer | Thomas White <taw@physics.org> | 2018-05-17 15:39:22 +0200 |
commit | a9f48b6507b0326a34b84d7600f5eb791993eeb1 (patch) | |
tree | b89b6e73477125336c35c6d7d9996bd8ebae7fd7 /m4/socklen.m4 | |
parent | 87fd650abf11da75e7abd2ff90821cf7cb041b91 (diff) | |
parent | a9f4c0ff4376267d90d6e8f9a0b6c012ec0588a4 (diff) |
Merge branch 'tom/cmake'
Diffstat (limited to 'm4/socklen.m4')
-rw-r--r-- | m4/socklen.m4 | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/m4/socklen.m4 b/m4/socklen.m4 deleted file mode 100644 index 4c07f864..00000000 --- a/m4/socklen.m4 +++ /dev/null @@ -1,77 +0,0 @@ -# socklen.m4 serial 10 -dnl Copyright (C) 2005-2007, 2009-2014 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 Albert Chin, Windows fixes from Simon Josefsson. - -dnl Check for socklen_t: historically on BSD it is an int, and in -dnl POSIX 1g it is a type of its own, but some platforms use different -dnl types for the argument to getsockopt, getpeername, etc.: -dnl HP-UX 10.20, IRIX 6.5, OSF/1 4.0, Interix 3.5, BeOS. -dnl So we have to test to find something that will work. - -AC_DEFUN([gl_TYPE_SOCKLEN_T], - [AC_REQUIRE([gl_CHECK_SOCKET_HEADERS])dnl - AC_CHECK_TYPE([socklen_t], , - [AC_MSG_CHECKING([for socklen_t equivalent]) - AC_CACHE_VAL([gl_cv_socklen_t_equiv], - [# Systems have either "struct sockaddr *" or - # "void *" as the second argument to getpeername - gl_cv_socklen_t_equiv= - for arg2 in "struct sockaddr" void; do - for t in int size_t "unsigned int" "long int" "unsigned long int"; do - AC_COMPILE_IFELSE([AC_LANG_PROGRAM( - [[#include <sys/types.h> - #include <sys/socket.h> - - int getpeername (int, $arg2 *, $t *);]], - [[$t len; - getpeername (0, 0, &len);]])], - [gl_cv_socklen_t_equiv="$t"]) - test "$gl_cv_socklen_t_equiv" != "" && break - done - test "$gl_cv_socklen_t_equiv" != "" && break - done - ]) - if test "$gl_cv_socklen_t_equiv" = ""; then - AC_MSG_ERROR([Cannot find a type to use in place of socklen_t]) - fi - AC_MSG_RESULT([$gl_cv_socklen_t_equiv]) - AC_DEFINE_UNQUOTED([socklen_t], [$gl_cv_socklen_t_equiv], - [type to use in place of socklen_t if not defined])], - [gl_SOCKET_HEADERS])]) - -dnl On mingw32, socklen_t is in ws2tcpip.h ('int'), so we try to find -dnl it there too. But on Cygwin, wc2tcpip.h must not be included. Users -dnl of this module should use the same include pattern as gl_SOCKET_HEADERS. -dnl When you change this macro, keep also in sync: -dnl - gl_CHECK_SOCKET_HEADERS, -dnl - the Include section of modules/socklen. -AC_DEFUN([gl_SOCKET_HEADERS], -[ -/* <sys/types.h> is not needed according to POSIX, but the - <sys/socket.h> in i386-unknown-freebsd4.10 and - powerpc-apple-darwin5.5 required it. */ -#include <sys/types.h> -#if HAVE_SYS_SOCKET_H -# include <sys/socket.h> -#elif HAVE_WS2TCPIP_H -# include <ws2tcpip.h> -#endif -]) - -dnl Tests for the existence of the header for socket facilities. -dnl Defines the C macros HAVE_SYS_SOCKET_H, HAVE_WS2TCPIP_H. -dnl This macro must match gl_SOCKET_HEADERS. -AC_DEFUN([gl_CHECK_SOCKET_HEADERS], - [AC_CHECK_HEADERS_ONCE([sys/socket.h]) - if test $ac_cv_header_sys_socket_h = no; then - 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([ws2tcpip.h]) - fi - ]) |