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root/svn/ircd-hybrid/releases/8.0.2/acinclude.m4
Revision: 1701
Committed: Thu Dec 20 12:12:48 2012 UTC (11 years, 3 months ago) by michael
File size: 9126 byte(s)
Log Message:
RELEASE TAG 8.0.2

File Contents

# Content
1 dnl Inspired by work Copyright (C) 2006 Luca Filipozzi
2 dnl vim: set fdm=marker sw=2 ts=2 et si:
3 dnl {{{ ax_check_lib_ipv4
4 AC_DEFUN([AX_CHECK_LIB_IPV4],[
5 AC_CHECK_FUNC(getaddrinfo, [], AC_SEARCH_LIBS(getaddrinfo, nsl))
6 AC_CHECK_FUNC(getnameinfo, [], AC_SEARCH_LIBS(getnameinfo, nsl))
7 AC_SEARCH_LIBS([socket],[socket],,[AC_MSG_ERROR([socket library not found])])
8 AC_CHECK_TYPES([struct sockaddr_in, struct sockaddr_storage, struct addrinfo],,,[#include <sys/types.h>
9 #include <sys/socket.h>
10 #include <netdb.h>
11 ])
12 AC_CHECK_MEMBERS([struct sockaddr_in.sin_len],,,[#include <sys/types.h>
13 <sys/socket.h>])
14 ])dnl }}}
15 dnl {{{ ax_check_lib_ipv6
16 AC_DEFUN([AX_CHECK_LIB_IPV6],[
17 AC_CHECK_TYPE([struct sockaddr_in6],[AC_DEFINE([IPV6],[1],[Define to 1 if you have IPv6 support.])],,[#include <netinet/in.h>])
18 ])dnl }}}
19 dnl {{{ ax_arg_enable_ioloop_mechanism (FIXME)
20 AC_DEFUN([AX_ARG_ENABLE_IOLOOP_MECHANISM],[
21 dnl {{{ allow the user to specify desired mechanism
22 desired_iopoll_mechanism="none"
23 dnl FIXME need to handle arguments a bit better (see ac_arg_disable_block_alloc)
24 AC_ARG_ENABLE([kqueue], [AS_HELP_STRING([--enable-kqueue], [Force kqueue usage.])], [desired_iopoll_mechanism="kqueue"])
25 AC_ARG_ENABLE([epoll], [AS_HELP_STRING([--enable-epoll], [Force epoll usage.])], [desired_iopoll_mechanism="epoll"])
26 AC_ARG_ENABLE([devpoll],[AS_HELP_STRING([--enable-devpoll],[Force devpoll usage.])],[desired_iopoll_mechanism="devpoll"])
27 AC_ARG_ENABLE([rtsigio],[AS_HELP_STRING([--enable-rtsigio],[Force rtsigio usage.])],[desired_iopoll_mechanism="rtsigio"])
28 AC_ARG_ENABLE([poll], [AS_HELP_STRING([--enable-poll], [Force poll usage.])], [desired_iopoll_mechanism="poll"])
29 AC_ARG_ENABLE([select], [AS_HELP_STRING([--enable-select], [Force select usage.])], [desired_iopoll_mechanism="select"])
30 dnl }}}
31 dnl {{{ preamble
32 AC_MSG_CHECKING([for optimal/desired iopoll mechanism])
33 iopoll_mechanism_none=0
34 AC_DEFINE_UNQUOTED([__IOPOLL_MECHANISM_NONE],[$iopoll_mechanism_none],[no iopoll mechanism])
35 dnl }}}
36 dnl {{{ check for kqueue mechanism support
37 iopoll_mechanism_kqueue=1
38 AC_DEFINE_UNQUOTED([__IOPOLL_MECHANISM_KQUEUE],[$iopoll_mechanism_kqueue],[kqueue mechanism])
39 AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([kevent])],[is_kqueue_mechanism_available="yes"],[is_kqueue_mechanism_available="no"])
40 dnl }}}
41 dnl {{{ check for epoll oechanism support
42 iopoll_mechanism_epoll=2
43 AC_DEFINE_UNQUOTED([__IOPOLL_MECHANISM_EPOLL],[$iopoll_mechanism_epoll],[epoll mechanism])
44 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
45 #include <sys/epoll.h>
46 #include <sys/syscall.h>
47 #if defined(__stub_epoll_create) || defined(__stub___epoll_create) || defined(EPOLL_NEED_BODY)
48 #if !defined(__NR_epoll_create)
49 #if defined(__ia64__)
50 #define __NR_epoll_create 1243
51 #elif defined(__x86_64__)
52 #define __NR_epoll_create 214
53 #elif defined(__sparc64__) || defined(__sparc__)
54 #define __NR_epoll_create 193
55 #elif defined(__s390__) || defined(__m68k__)
56 #define __NR_epoll_create 249
57 #elif defined(__ppc64__) || defined(__ppc__)
58 #define __NR_epoll_create 236
59 #elif defined(__parisc__) || defined(__arm26__) || defined(__arm__)
60 #define __NR_epoll_create 224
61 #elif defined(__alpha__)
62 #define __NR_epoll_create 407
63 #elif defined(__sh64__)
64 #define __NR_epoll_create 282
65 #elif defined(__i386__) || defined(__sh__) || defined(__m32r__) || defined(__h8300__) || defined(__frv__)
66 #define __NR_epoll_create 254
67 #else
68 #error No system call numbers defined for epoll family.
69 #endif
70 #endif
71 _syscall1(int, epoll_create, int, size)
72 #endif
73 ]], [[ return epoll_create(256) == -1 ? 1 : 0 ]])],
74 [is_epoll_mechanism_available="yes"],[is_epoll_mechanism_available="no"])
75 dnl }}}
76 dnl {{{ check for devpoll mechanism support
77 iopoll_mechanism_devpoll=3
78 AC_DEFINE_UNQUOTED([__IOPOLL_MECHANISM_DEVPOLL],[$iopoll_mechanism_devpoll],[devpoll mechanism])
79 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <devpoll.h>])],[is_devpoll_mechanism_available="yes"],[is_devpoll_mechanism_available="no"])
80 if test "$is_devpoll_mechanism_available" = "yes" ; then
81 AC_DEFINE([HAVE_DEVPOLL_H],[1],[Define to 1 if you have the <devpoll.h> header file.])
82 fi
83 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/devpoll.h>])],[is_devpoll_mechanism_available="yes"],[is_devpoll_mechanism_available="no"])
84 if test "$is_devpoll_mechanism_available" = "yes" ; then
85 AC_DEFINE([HAVE_SYS_DEVPOLL_H],[1],[Define to 1 if you have the <sys/devpoll.h> header file.])
86 fi
87 dnl }}}
88 dnl {{{ check for rtsigio mechanism support
89 iopoll_mechanism_rtsigio=4
90 AC_DEFINE_UNQUOTED([__IOPOLL_MECHANISM_RTSIGIO],[$iopoll_mechanism_rtsigio],[rtsigio mechanism])
91 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
92 #define _GNU_SOURCE
93 #include <fcntl.h>
94 static unsigned int have_f_setsig = 0;
95 ]], [[
96 #ifdef F_SETSIG
97 have_f_setsig = 1;
98 #endif
99 return have_f_setsig == 0;
100 ]])], [is_rtsigio_mechanism_available="yes"],[is_rtsigio_mechanism_available="no"])
101 dnl }}}
102 dnl {{{ check for poll mechanism support
103 iopoll_mechanism_poll=5
104 AC_DEFINE_UNQUOTED([__IOPOLL_MECHANISM_POLL],[$iopoll_mechanism_poll],[poll mechanism])
105 AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([poll])],[is_poll_mechanism_available="yes"],[is_poll_mechanism_available="no"])
106 dnl }}}
107 dnl {{{ check for select mechanism support
108 iopoll_mechanism_select=6
109 AC_DEFINE_UNQUOTED([__IOPOLL_MECHANISM_SELECT],[$iopoll_mechanism_select],[select mechanism])
110 AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([select])],[is_select_mechanism_available="yes"],[is_select_mechanism_available="no"])
111 dnl }}}
112 dnl {{{ determine the optimal mechanism
113 optimal_iopoll_mechanism="none"
114 for mechanism in "kqueue" "epoll" "devpoll" "rtsigio" "poll" "select" ; do # order is important
115 eval "is_optimal_iopoll_mechanism_available=\$is_${mechanism}_mechanism_available"
116 if test "$is_optimal_iopoll_mechanism_available" = "yes" ; then
117 optimal_iopoll_mechanism="$mechanism"
118 break
119 fi
120 done
121 dnl }}}
122 dnl {{{ select between optimal mechanism and desired mechanism (if specified)
123 if test "$desired_iopoll_mechanism" = "none" ; then
124 if test "$optimal_iopoll_mechanism" = "none" ; then
125 AC_MSG_RESULT([none])
126 AC_MSG_ERROR([no iopoll mechanism found!])
127 else
128 selected_iopoll_mechanism=$optimal_iopoll_mechanism
129 AC_MSG_RESULT([$selected_iopoll_mechanism])
130 fi
131 else
132 eval "is_desired_iopoll_mechanism_available=\$is_${desired_iopoll_mechanism}_mechanism_available"
133 if test "$is_desired_iopoll_mechanism_available" = "yes" ; then
134 selected_iopoll_mechanism=$desired_iopoll_mechanism
135 AC_MSG_RESULT([$selected_iopoll_mechanism])
136 else
137 AC_MSG_RESULT([none])
138 AC_MSG_ERROR([desired iopoll mechanism, $desired_iopoll_mechanism, is not available])
139 fi
140 fi
141 dnl }}}
142 dnl {{{ postamble
143 eval "use_iopoll_mechanism=\$iopoll_mechanism_${selected_iopoll_mechanism}"
144 AC_DEFINE_UNQUOTED([USE_IOPOLL_MECHANISM],[$use_iopoll_mechanism],[use this iopoll mechanism])
145 dnl }}}
146 ])dnl }}}
147 dnl {{{ ax_arg_with_topiclen
148 AC_DEFUN([AX_ARG_WITH_TOPICLEN],[
149 AC_ARG_WITH([topiclen],[AS_HELP_STRING([--with-topiclen=<value>],[Set topic length (default 160).])],[topiclen="$withval"],[topiclen="160"])
150 AC_DEFINE_UNQUOTED([TOPICLEN],[($topiclen)],[Length of topics.])
151 ])dnl }}}
152 dnl {{{ ax_arg_with_nicklen
153 AC_DEFUN([AX_ARG_WITH_NICKLEN],[
154 AC_ARG_WITH([nicklen],[AS_HELP_STRING([--with-nicklen=<value>],[Set nickname length (default 9).])],[nicklen="$withval"],[nicklen="9"])
155 AC_DEFINE_UNQUOTED([NICKLEN],[($nicklen)],[Length of nicknames.])
156 ])dnl }}}
157 dnl {{{ ax_arg_enable_halfops
158 AC_DEFUN([AX_ARG_ENABLE_HALFOPS],[
159 AC_ARG_ENABLE([halfops],[AS_HELP_STRING([--enable-halfops],[Enable halfops support.])],[halfops="$enableval"],[halfops="no"])
160 if test "$halfops" = "yes" ; then
161 AC_DEFINE([HALFOPS],[1],[Define to 1 if you want halfops support.])
162 fi
163 ])dnl }}}
164 dnl {{{ ax_arg_enable_debugging
165 AC_DEFUN([AX_ARG_ENABLE_DEBUGGING],[
166 AC_ARG_ENABLE([debugging],[AS_HELP_STRING([--enable-debugging],[Enable debugging.])],[debugging="$enableval"],[debugging="no"])
167 if test "$debugging" = "yes" ; then
168 CFLAGS="-Wall -g -O0"
169 fi
170 ])dnl }}}
171 dnl {{{ ax_arg_enable_warnings
172 AC_DEFUN([AX_ARG_ENABLE_WARNINGS],[
173 AC_ARG_ENABLE([warnings],[AS_HELP_STRING([--enable-warnings],[Enable compiler warnings.])],[warnings="$enableval"],[warnings="no"])
174 if test "$warnings" = "yes" ; then
175 CFLAGS="-Wall -Wextra -Wno-unused -Wcast-qual -Wcast-align -Wbad-function-cast -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wredundant-decls -Wshadow -Wwrite-strings -Wundef"
176 fi
177 ])dnl }}}
178 dnl {{{ ac_define_dir
179 dnl http://autoconf-archive.cryp.to/ac_define_dir.html
180 AC_DEFUN([AC_DEFINE_DIR], [
181 prefix_NONE=
182 exec_prefix_NONE=
183 test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix
184 test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix
185 eval ac_define_dir="\"[$]$2\""
186 eval ac_define_dir="\"$ac_define_dir\""
187 AC_SUBST($1, "$ac_define_dir")
188 AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3])
189 test "$prefix_NONE" && prefix=NONE
190 test "$exec_prefix_NONE" && exec_prefix=NONE
191 ])dnl }}}
192 ]) dnl }}}