X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fsys_socket_h.m4;h=94863776df50b12ed3b2592c8345c84838651928;hb=23eecb48e39afd0d267d64d40ba6bf97aa865e13;hp=fc43d5c5c089ee054b507346974b2bfd9043f63b;hpb=47a2ecab8b9f84c86a294aec0edc791dd8a1fdd2;p=gnulib.git diff --git a/m4/sys_socket_h.m4 b/m4/sys_socket_h.m4 index fc43d5c5c..94863776d 100644 --- a/m4/sys_socket_h.m4 +++ b/m4/sys_socket_h.m4 @@ -1,5 +1,5 @@ -# sys_socket_h.m4 serial 11 -dnl Copyright (C) 2005-2008 Free Software Foundation, Inc. +# sys_socket_h.m4 serial 23 +dnl Copyright (C) 2005-2013 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. @@ -9,7 +9,18 @@ dnl From Simon Josefsson. AC_DEFUN([gl_HEADER_SYS_SOCKET], [ AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS]) - AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([AC_CANONICAL_HOST]) + + dnl On OSF/1, the functions recv(), send(), recvfrom(), sendto() have + dnl old-style declarations (with return type 'int' instead of 'ssize_t') + dnl unless _POSIX_PII_SOCKET is defined. + case "$host_os" in + osf*) + AC_DEFINE([_POSIX_PII_SOCKET], [1], + [Define to 1 in order to get the POSIX compatible declarations + of socket functions.]) + ;; + esac AC_CACHE_CHECK([whether is self-contained], [gl_cv_header_sys_socket_h_selfcontained], @@ -19,7 +30,6 @@ AC_DEFUN([gl_HEADER_SYS_SOCKET], [gl_cv_header_sys_socket_h_selfcontained=no]) ]) if test $gl_cv_header_sys_socket_h_selfcontained = yes; then - SYS_SOCKET_H='' dnl If the shutdown function exists, should define dnl SHUT_RD, SHUT_WR, SHUT_RDWR. AC_CHECK_FUNCS([shutdown]) @@ -37,42 +47,83 @@ AC_DEFUN([gl_HEADER_SYS_SOCKET], SYS_SOCKET_H='sys/socket.h' fi fi - else + fi + # We need to check for ws2tcpip.h now. + gl_PREREQ_SYS_H_SOCKET + AC_CHECK_TYPES([struct sockaddr_storage, sa_family_t],,,[ + /* 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 +#ifdef HAVE_SYS_SOCKET_H +#include +#endif +#ifdef HAVE_WS2TCPIP_H +#include +#endif +]) + if test $ac_cv_type_struct_sockaddr_storage = no; then + HAVE_STRUCT_SOCKADDR_STORAGE=0 + fi + if test $ac_cv_type_sa_family_t = no; then + HAVE_SA_FAMILY_T=0 + fi + if test $ac_cv_type_struct_sockaddr_storage != no; then + AC_CHECK_MEMBERS([struct sockaddr_storage.ss_family], + [], + [HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=0], + [#include + #ifdef HAVE_SYS_SOCKET_H + #include + #endif + #ifdef HAVE_WS2TCPIP_H + #include + #endif + ]) + fi + if test $HAVE_STRUCT_SOCKADDR_STORAGE = 0 || test $HAVE_SA_FAMILY_T = 0 \ + || test $HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY = 0; then SYS_SOCKET_H='sys/socket.h' fi - if test -n "$SYS_SOCKET_H"; then - dnl Check prerequisites of the replacement. - gl_CHECK_NEXT_HEADERS([sys/socket.h]) - if test $ac_cv_header_sys_socket_h = yes; then - HAVE_SYS_SOCKET_H=1 - HAVE_WS2TCPIP_H=0 + gl_PREREQ_SYS_H_WINSOCK2 + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ +/* Some systems require prerequisite headers. */ +#include +#include + ]], [socket connect accept bind getpeername getsockname getsockopt + listen recv send recvfrom sendto setsockopt shutdown accept4]) +]) + +AC_DEFUN([gl_PREREQ_SYS_H_SOCKET], +[ + dnl Check prerequisites of the replacement. + AC_REQUIRE([gl_CHECK_SOCKET_HEADERS]) + gl_CHECK_NEXT_HEADERS([sys/socket.h]) + if test $ac_cv_header_sys_socket_h = yes; then + HAVE_SYS_SOCKET_H=1 + HAVE_WS2TCPIP_H=0 + else + HAVE_SYS_SOCKET_H=0 + if test $ac_cv_header_ws2tcpip_h = yes; then + HAVE_WS2TCPIP_H=1 else - HAVE_SYS_SOCKET_H=0 - 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]) - if test $ac_cv_header_ws2tcpip_h = yes; then - HAVE_WS2TCPIP_H=1 - else - HAVE_WS2TCPIP_H=0 - fi + HAVE_WS2TCPIP_H=0 fi - gl_PREREQ_SYS_H_WINSOCK2 - AC_SUBST([HAVE_SYS_SOCKET_H]) - AC_SUBST([HAVE_WS2TCPIP_H]) fi - AC_SUBST([SYS_SOCKET_H]) + AC_SUBST([HAVE_SYS_SOCKET_H]) + AC_SUBST([HAVE_WS2TCPIP_H]) ]) -# Common prerequisites of of the replacement and of the +# Common prerequisites of the replacement and of the # replacement. # Sets and substitutes HAVE_WINSOCK2_H. AC_DEFUN([gl_PREREQ_SYS_H_WINSOCK2], [ - AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) - AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS]) + m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])]) + m4_ifdef([gl_SYS_IOCTL_H_DEFAULTS], [AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])]) AC_CHECK_HEADERS_ONCE([sys/socket.h]) if test $ac_cv_header_sys_socket_h != yes; then dnl We cannot use AC_CHECK_HEADERS_ONCE here, because that would make @@ -95,13 +146,13 @@ AC_DEFUN([gl_SYS_SOCKET_MODULE_INDICATOR], [ dnl Use AC_REQUIRE here, so that the default settings are expanded once only. AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS]) - GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1 - gl_MODULE_INDICATOR([$1]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) ]) AC_DEFUN([gl_SYS_SOCKET_H_DEFAULTS], [ - AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for GNULIB_CLOSE GNULIB_SOCKET=0; AC_SUBST([GNULIB_SOCKET]) GNULIB_CONNECT=0; AC_SUBST([GNULIB_CONNECT]) GNULIB_ACCEPT=0; AC_SUBST([GNULIB_ACCEPT]) @@ -116,4 +167,10 @@ AC_DEFUN([gl_SYS_SOCKET_H_DEFAULTS], GNULIB_SENDTO=0; AC_SUBST([GNULIB_SENDTO]) GNULIB_SETSOCKOPT=0; AC_SUBST([GNULIB_SETSOCKOPT]) GNULIB_SHUTDOWN=0; AC_SUBST([GNULIB_SHUTDOWN]) + GNULIB_ACCEPT4=0; AC_SUBST([GNULIB_ACCEPT4]) + HAVE_STRUCT_SOCKADDR_STORAGE=1; AC_SUBST([HAVE_STRUCT_SOCKADDR_STORAGE]) + HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=1; + AC_SUBST([HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY]) + HAVE_SA_FAMILY_T=1; AC_SUBST([HAVE_SA_FAMILY_T]) + HAVE_ACCEPT4=1; AC_SUBST([HAVE_ACCEPT4]) ])