diff options
Diffstat (limited to 'gnulib-m4/sys_socket_h.m4')
| -rw-r--r-- | gnulib-m4/sys_socket_h.m4 | 88 |
1 files changed, 59 insertions, 29 deletions
diff --git a/gnulib-m4/sys_socket_h.m4 b/gnulib-m4/sys_socket_h.m4 index f2103787..ba3ae68e 100644 --- a/gnulib-m4/sys_socket_h.m4 +++ b/gnulib-m4/sys_socket_h.m4 @@ -1,12 +1,12 @@ -# sys_socket_h.m4 serial 23 -dnl Copyright (C) 2005-2018 Free Software Foundation, Inc. +# sys_socket_h.m4 serial 29 +dnl Copyright (C) 2005-2022 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_DEFUN_ONCE([gl_SYS_SOCKET_H], [ AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS]) AC_REQUIRE([AC_CANONICAL_HOST]) @@ -22,6 +22,7 @@ AC_DEFUN([gl_HEADER_SYS_SOCKET], ;; esac + GL_GENERATE_SYS_SOCKET_H=false AC_CACHE_CHECK([whether <sys/socket.h> is self-contained], [gl_cv_header_sys_socket_h_selfcontained], [ @@ -44,7 +45,7 @@ AC_DEFUN([gl_HEADER_SYS_SOCKET], [gl_cv_header_sys_socket_h_shut=no]) ]) if test $gl_cv_header_sys_socket_h_shut = no; then - SYS_SOCKET_H='sys/socket.h' + GL_GENERATE_SYS_SOCKET_H=true fi fi fi @@ -83,7 +84,7 @@ AC_DEFUN([gl_HEADER_SYS_SOCKET], 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' + GL_GENERATE_SYS_SOCKET_H=true fi gl_PREREQ_SYS_H_WINSOCK2 @@ -95,6 +96,8 @@ AC_DEFUN([gl_HEADER_SYS_SOCKET], #include <sys/socket.h> ]], [socket connect accept bind getpeername getsockname getsockopt listen recv send recvfrom sendto setsockopt shutdown accept4]) + + AC_REQUIRE([AC_C_RESTRICT]) ]) AC_DEFUN([gl_PREREQ_SYS_H_SOCKET], @@ -104,17 +107,11 @@ AC_DEFUN([gl_PREREQ_SYS_H_SOCKET], 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_WS2TCPIP_H=0 - fi fi AC_SUBST([HAVE_SYS_SOCKET_H]) - AC_SUBST([HAVE_WS2TCPIP_H]) + gl_PREREQ_SYS_H_WS2TCPIP ]) # Common prerequisites of the <sys/socket.h> replacement and of the @@ -142,32 +139,65 @@ AC_DEFUN([gl_PREREQ_SYS_H_WINSOCK2], AC_SUBST([HAVE_WINSOCK2_H]) ]) +# Common prerequisites of the <sys/socket.h> replacement and of the +# <arpa/inet.h> replacement. +# Sets and substitutes HAVE_WS2TCPIP_H. +AC_DEFUN([gl_PREREQ_SYS_H_WS2TCPIP], +[ + AC_REQUIRE([gl_CHECK_SOCKET_HEADERS]) + if test $ac_cv_header_sys_socket_h = yes; then + HAVE_WS2TCPIP_H=0 + else + if test $ac_cv_header_ws2tcpip_h = yes; then + HAVE_WS2TCPIP_H=1 + else + HAVE_WS2TCPIP_H=0 + fi + fi + AC_SUBST([HAVE_WS2TCPIP_H]) +]) + +# gl_SYS_SOCKET_MODULE_INDICATOR([modulename]) +# sets the shell variable that indicates the presence of the given module +# to a C preprocessor expression that will evaluate to 1. +# This macro invocation must not occur in macros that are AC_REQUIREd. 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]) + dnl Ensure to expand the default settings once only. + gl_SYS_SOCKET_H_REQUIRE_DEFAULTS 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]) ]) +# Initializes the default values for AC_SUBSTed shell variables. +# This macro must not be AC_REQUIREd. It must only be invoked, and only +# outside of macros or in macros that are not AC_REQUIREd. +AC_DEFUN([gl_SYS_SOCKET_H_REQUIRE_DEFAULTS], +[ + m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_SOCKET_H_MODULE_INDICATOR_DEFAULTS], [ + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SOCKET]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CONNECT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ACCEPT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_BIND]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETPEERNAME]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETSOCKNAME]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETSOCKOPT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LISTEN]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RECV]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SEND]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RECVFROM]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SENDTO]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SETSOCKOPT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SHUTDOWN]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ACCEPT4]) + ]) + m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_SOCKET_H_MODULE_INDICATOR_DEFAULTS]) + AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS]) +]) + AC_DEFUN([gl_SYS_SOCKET_H_DEFAULTS], [ - GNULIB_SOCKET=0; AC_SUBST([GNULIB_SOCKET]) - GNULIB_CONNECT=0; AC_SUBST([GNULIB_CONNECT]) - GNULIB_ACCEPT=0; AC_SUBST([GNULIB_ACCEPT]) - GNULIB_BIND=0; AC_SUBST([GNULIB_BIND]) - GNULIB_GETPEERNAME=0; AC_SUBST([GNULIB_GETPEERNAME]) - GNULIB_GETSOCKNAME=0; AC_SUBST([GNULIB_GETSOCKNAME]) - GNULIB_GETSOCKOPT=0; AC_SUBST([GNULIB_GETSOCKOPT]) - GNULIB_LISTEN=0; AC_SUBST([GNULIB_LISTEN]) - GNULIB_RECV=0; AC_SUBST([GNULIB_RECV]) - GNULIB_SEND=0; AC_SUBST([GNULIB_SEND]) - GNULIB_RECVFROM=0; AC_SUBST([GNULIB_RECVFROM]) - 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]) |