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dnl ======================================
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dnl GGZ Gaming Zone - Configuration Macros
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dnl ======================================
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dnl Copyright (C) 2005, 2006 Josef Spillner, josef@ggzgamingzone.org
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dnl This file has been derived from libggz configuration macros.
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dnl It is published under the conditions of the GNU General Public License.
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dnl ======================================
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dnl This file contains operating system specific checks such as for system
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dnl libraries, header file flavours and non-POSIX/Unix handling.
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dnl Macros defined herein are allowed to modify LDADD and LDFLAGS.
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dnl Optional (advanced) checks go to system.m4 and should use LIB_* variables.
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dnl ======================================
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dnl 2005-09-14: created from libggz's configure.ac file
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dnl ------------------------------------------------------------------------
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dnl Content of this file:
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dnl ------------------------------------------------------------------------
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dnl AC_GGZ_PLATFORM_BASE - minimal required call
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dnl AC_GGZ_PLATFORM_POSIX - checks for various types and functions
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dnl AC_GGZ_PLATFORM_POSIX_NET - network-related checks
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dnl AC_GGZ_PLATFORM_POSIX_LIBC - system libraries in addition to libc
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dnl AC_GGZ_PLATFORM_WIN32 - for cross-compilation on win32 systems
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dnl AC_GGZ_PLATFORM - convenience macro to call all of the above
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dnl (except for _BASE which MUST be called before AC_PROG_LIBTOOL)
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dnl ------------------------------------------------------------------------
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dnl AC_GGZ_PLATFORM_BASE
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dnl ------------------------------------------------------------------------
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AC_DEFUN([AC_GGZ_PLATFORM_BASE],
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#AC_PROG_LIBTOOL # bug!
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dnl ------------------------------------------------------------------------
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dnl AC_GGZ_PLATFORM_WIN32
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dnl ------------------------------------------------------------------------
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AC_DEFUN([AC_GGZ_PLATFORM_WIN32],
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if test "$MINGW32" = "yes"; then
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LDFLAGS="$LDFLAGS -no-undefined"
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LDADD="$LDADD -lws2_32"
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AC_CHECK_HEADERS([winsock2.h])
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dnl ------------------------------------------------------------------------
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dnl AC_GGZ_PLATFORM_POSIX
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dnl ------------------------------------------------------------------------
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AC_DEFUN([AC_GGZ_PLATFORM_POSIX],
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# Check for header files
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# ======================
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#AC_CHECK_HEADERS([fcntl.h sys/param.h],
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# [AC_MSG_ERROR([cannot find required header file])])
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#AC_CHECK_HEADERS([netdb.h sys/shm.h sys/socket.h])
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#AC_CHECK_HEADERS([sys/uio.h sys/un.h sys/wait.h])
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AC_CHECK_HEADERS([arpa/inet.h sys/types.h netinet/in.h])
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#AC_CHECK_FUNCS([getpagesize memmove memset mkdir stat strcasecmp strerror strstr strchr],
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# [AC_MSG_ERROR([cannot find required function])])
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#AC_CHECK_FUNCS([gethostbyname socket]) # These fail; dunno why
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#AC_CHECK_FUNCS([alarm getuid inet_pton])
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# Check for more functions
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# ========================
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##AC_FUNC_MALLOC # use ggz_malloc() always
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#FUNC_MKDIR_TAKES_ONE_ARG # FIXME: external
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# Check for typedefs, structures, and compiler characteristics
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# ============================================================
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AC_C99_VARIABLE_ARRAYS # FIXME: external
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# Check for debug types in syslog.h
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# =================================
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# If syslog is present, we take the log types from it.
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# If not, define our own enumeration.
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AC_CHECK_HEADER([syslog.h],
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AC_DEFINE([GGZ_HAVE_SYSLOG_H], 1, [Check if syslog is present])
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dnl ------------------------------------------------------------------------
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dnl AC_GGZ_PLATFORM_POSIX_NET
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dnl ------------------------------------------------------------------------
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AC_DEFUN([AC_GGZ_PLATFORM_POSIX_NET],
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# If sendmsg() is present, we can send file descriptors over a local socket
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# via ggz_write_fd. If not we disable this functionality.
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#AC_MSG_CHECKING([for network feature: sendmsg])
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AC_CHECK_FUNC([sendmsg],
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AC_DEFINE([GGZ_HAVE_SENDMSG], 1, [Check if file descriptors can be sent])
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# Check for PF_LOCAL/PF_UNIX
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# ==========================
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# There should be an autoconf macro to check this???
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AC_MSG_CHECKING([for network feature: PF_LOCAL])
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AC_LANG_PROGRAM([[#include <sys/socket.h>]], [[int a = PF_LOCAL;]]),
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[have_localsockets=1],
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AC_LANG_PROGRAM([[#include <sys/socket.h>]], [[int a = PF_UNIX;]]),
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AC_DEFINE([PF_LOCAL], PF_UNIX, [PF_LOCAL is available via PF_UNIX])
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AC_DEFINE([AF_LOCAL], AF_UNIX, [AF_LOCAL is available via AF_UNIX])
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if test "x$have_localsockets" = "x1"; then
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AC_DEFINE([GGZ_HAVE_PF_LOCAL], 1, [Check if local sockets are supported])
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AC_MSG_CHECKING([for network feature: SUN_LEN])
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#include<sys/types.h>
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[[struct sockaddr_un su; int i = SUN_LEN(&su);]]),
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AC_DEFINE([HAVE_SUN_LEN], 1, [Define if the SUN_LEN macro exists])
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# Check for msghdr member msg_controllen and friends
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# ==================================================
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AC_MSG_CHECKING([for network feature: msg_controllen])
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AC_LANG_PROGRAM([[#include <sys/socket.h>]],
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[[struct msghdr m; m.msg_controllen = 0;]]),
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if test "x$have_controllen" = "x1"; then
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AC_DEFINE([HAVE_MSGHDR_MSG_CONTROL], 1, [Define if msghdr has a msg_controllen member])
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AC_MSG_CHECKING([for network feature: CMSG_ALIGN])
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#include<sys/types.h>
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#include<sys/socket.h>
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[[int i = CMSG_ALIGN(0);]]),
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AC_DEFINE([HAVE_CMSG_ALIGN], 1, [Define if CMSG_ALIGN is available])
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AC_MSG_CHECKING([for network feature: CMSG_LEN])
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#include<sys/types.h>
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#include<sys/socket.h>
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[[int i = CMSG_LEN(0);]]),
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AC_DEFINE([HAVE_CMSG_LEN], 1, [Define if CMSG_LEN is available])
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AC_MSG_CHECKING([for network feature: CMSG_SPACE])
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#include<sys/types.h>
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#include<sys/socket.h>
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[[int i = CMSG_SPACE(0);]]),
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AC_DEFINE([HAVE_CMSG_SPACE], 1, [Define if CMSG_SPACE is available])
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dnl ------------------------------------------------------------------------
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dnl AC_GGZ_PLATFORM_POSIX_LIBC
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dnl ------------------------------------------------------------------------
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AC_DEFUN([AC_GGZ_PLATFORM_POSIX_LIBC],
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# Check for library functions
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# ===========================
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# On some systems additional libraries may be needed. Simply include them
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AC_CHECK_LIB(socket, socket, [LDADD="$LDADD -lsocket"])
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AC_CHECK_LIB(nsl, gethostbyname, [LDADD="$LDADD -lnsl"])
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dnl ------------------------------------------------------------------------
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dnl ------------------------------------------------------------------------
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AC_DEFUN([AC_GGZ_PLATFORM],
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#AC_GGZ_PLATFORM_BASE
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AC_GGZ_PLATFORM_POSIX
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AC_GGZ_PLATFORM_POSIX_NET
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AC_GGZ_PLATFORM_POSIX_LIBC
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AC_GGZ_PLATFORM_WIN32
added
removed
m4/platform.m4
