2 # ngIRCd -- The Next Generation IRC Daemon
3 # Copyright (c)2001-2014 Alexander Barton (alex@barton.de) and Contributors
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2 of the License, or
8 # (at your option) any later version.
9 # Please read the file COPYING, README and AUTHORS for more information.
12 define(VERSION_ID,esyscmd([
13 V=`git describe 2>/dev/null | sed -e 's/rel-//g' | sed -e 's/-/~/'`;
14 [ -z "$V" -a -r configure ] \
15 && V=`grep "PACKAGE_STRING=" configure | cut -d"'" -f2 | cut -d' ' -f2`
16 ( [ -n "$V" ] && echo "$V" || echo "??" ) | tr -d '\n';
19 m4_ifdef([AM_SILENT_RULES],
20 [m4_define([ng_color_tests], [color-tests])],
21 [m4_define([ng_color_tests], [])])
23 # -- Initialisation --
26 AC_INIT([ngIRCd],[VERSION_ID],[ngircd-ml@ngircd.barton.de],[ngircd],[http://ngircd.barton.de/])
28 AC_CONFIG_SRCDIR([src/ngircd/ngircd.c])
29 AC_CONFIG_HEADER([src/config.h])
32 AM_INIT_AUTOMAKE([-Wall 1.10 foreign ]ng_color_tests)
34 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
36 # -- Templates for config.h --
38 AH_TEMPLATE([DEBUG], [Define if debug-mode should be enabled])
39 AH_TEMPLATE([HAVE_sockaddr_in_len], [Define if sockaddr_in.sin_len exists])
40 AH_TEMPLATE([HAVE_socklen_t], [Define if socklen_t exists])
41 AH_TEMPLATE([ICONV], [Define if libiconv can be used, e.g. for CHARCONV])
42 AH_TEMPLATE([IDENTAUTH], [Define if the server should do IDENT requests])
43 AH_TEMPLATE([IRCPLUS], [Define if IRC+ protocol should be used])
44 AH_TEMPLATE([PAM], [Define if PAM should be used])
45 AH_TEMPLATE([SNIFFER], [Define if IRC sniffer should be enabled])
46 AH_TEMPLATE([STRICT_RFC], [Define if ngIRCd should behave strict RFC compliant])
47 AH_TEMPLATE([SYSLOG], [Define if syslog should be used for logging])
48 AH_TEMPLATE([TCPWRAP], [Define if TCP wrappers should be used])
49 AH_TEMPLATE([WANT_IPV6], [Define if IPV6 protocol should be enabled])
50 AH_TEMPLATE([ZLIB], [Define if zlib compression should be enabled])
52 AH_TEMPLATE([HOST_OS], [Target operating system name])
53 AH_TEMPLATE([HOST_VENDOR], [Target system vendor])
54 AH_TEMPLATE([HOST_CPU], [Target CPU name])
61 # -- Helper programs --
63 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
72 # -- Compiler Features --
78 # -- Function Definitions --
80 AC_DEFUN([GCC_STACK_PROTECT_CC],[
82 # Use -fstack-protector-all for the test to enfoce the use of the
84 AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
85 ssp_old_cflags="$CFLAGS"
86 CFLAGS="$CFLAGS -fstack-protector-all"
87 AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],[],[ssp_cc=no])
89 CFLAGS="$ssp_old_cflags"
90 if test "X$ssp_cc" = "Xyes"; then
91 CFLAGS="$CFLAGS -fstack-protector"
92 AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
96 AC_DEFUN([WORKING_GETADDRINFO],[
97 AC_CHECK_FUNCS([getaddrinfo],[
98 AC_MSG_CHECKING([whether getaddrinfo() works])
99 AC_RUN_IFELSE([AC_LANG_SOURCE([[
101 #include <sys/types.h>
102 #include <sys/socket.h>
106 main(int argc, char **argv)
108 struct addrinfo hints, *ai;
109 memset(&hints, 0, sizeof(hints));
110 hints.ai_flags = AI_PASSIVE;
111 hints.ai_socktype = SOCK_STREAM;
112 hints.ai_family = PF_UNSPEC;
113 if(getaddrinfo(NULL, "0", &hints, &ai) != 0)
118 AC_DEFINE([HAVE_WORKING_GETADDRINFO], 1, [getaddrinfo(0)])
128 # -- Hard coded system and compiler dependencies/features/options ... --
130 if test "$GCC" = "yes"; then
131 # We are using the GNU C compiler. Good!
132 CFLAGS="$CFLAGS -pipe -W -Wall -Wpointer-arith -Wstrict-prototypes"
139 # This is HP/UX, we need to define _XOPEN_SOURCE_EXTENDED
140 # (tested with HP/UX 11.11)
141 CFLAGS="$CFLAGS -D_XOPEN_SOURCE_EXTENDED"
145 # Add additional CFLAGS, eventually specified on the command line:
146 test -n "$CFLAGS_ADD" && CFLAGS="$CFLAGS $CFLAGS_ADD"
148 CFLAGS="$CFLAGS -DSYSCONFDIR='\"\$(sysconfdir)\"' -DDOCDIR='\"\$(docdir)\"'"
156 # Required header files
168 ],,AC_MSG_ERROR([required C header missing!]))
170 # Optional header files
171 AC_CHECK_HEADERS_ONCE([ \
185 AC_MSG_CHECKING(whether socklen_t exists)
186 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
187 #include <sys/types.h>
188 #include <sys/socket.h>
191 a = 2; b = 4; a += b;
193 AC_DEFINE(HAVE_socklen_t) AC_MSG_RESULT(yes)
206 AC_CHECK_MEMBER([struct sockaddr_in.sin_len], AC_DEFINE(HAVE_sockaddr_in_len),,
207 [#include <arpa/inet.h>])
211 # memmove: A/UX libUTIL
212 AC_SEARCH_LIBS([memmove], [UTIL], [], [
213 AC_MSG_ERROR([unable to find the memmove() function])
215 # gethostbyname: Solaris libnsl
216 AC_SEARCH_LIBS([gethostbyname], [bind nsl network], [], [
217 AC_MSG_ERROR([unable to find the gethostbyname() function])
219 # bind: SVR4 libsocket
220 AC_SEARCH_LIBS([bind], [socket network], [], [
221 AC_MSG_ERROR([unable to find the bind() function])
252 AC_MSG_ERROR([required function missing!]))
255 AC_CHECK_FUNCS_ONCE([
278 # -- Configuration options --
284 AS_HELP_STRING([--without-syslog],
285 [disable syslog (autodetected by default)]),
286 [ if test "$withval" != "no"; then
287 if test "$withval" != "yes"; then
288 CFLAGS="-I$withval/include $CFLAGS"
289 CPPFLAGS="-I$withval/include $CPPFLAGS"
290 LDFLAGS="-L$withval/lib $LDFLAGS"
292 AC_SEARCH_LIBS([syslog], [be], [x_syslog_on=yes], [
293 AC_MSG_ERROR([Can't enable syslog!])
297 [ AC_SEARCH_LIBS([syslog], [be], [x_syslog_on=yes])
300 if test "$x_syslog_on" = "yes"; then
302 AC_CHECK_HEADERS(syslog.h,,AC_MSG_ERROR([required C header missing!]))
305 # use zlib compression?
309 AS_HELP_STRING([--without-zlib],
310 [disable zlib compression (autodetected by default)]),
311 [ if test "$withval" != "no"; then
312 if test "$withval" != "yes"; then
313 CFLAGS="-I$withval/include $CFLAGS"
314 CPPFLAGS="-I$withval/include $CPPFLAGS"
315 LDFLAGS="-L$withval/lib $LDFLAGS"
317 AC_CHECK_LIB(z, deflate)
318 AC_CHECK_FUNCS(deflate, x_zlib_on=yes,
319 AC_MSG_ERROR([Can't enable zlib!])
323 [ AC_CHECK_LIB(z, deflate)
324 AC_CHECK_FUNCS(deflate, x_zlib_on=yes)
327 if test "$x_zlib_on" = "yes"; then
329 AC_CHECK_HEADERS(zlib.h,,AC_MSG_ERROR([required C header missing!]))
332 # detect which IO API to use:
337 AS_HELP_STRING([--without-select],
338 [disable select IO support (autodetected by default)]),
339 [ if test "$withval" != "no"; then
340 if test "$withval" != "yes"; then
341 CFLAGS="-I$withval/include $CFLAGS"
342 CPPFLAGS="-I$withval/include $CPPFLAGS"
343 LDFLAGS="-L$withval/lib $LDFLAGS"
345 AC_CHECK_FUNCS(select, x_io_select=yes,
346 AC_MSG_ERROR([Can't enable select IO support!])
351 AC_CHECK_FUNCS(select, x_io_select=yes)
356 AS_HELP_STRING([--without-poll],
357 [disable poll support (autodetected by default)]),
358 [ if test "$withval" != "no"; then
359 if test "$withval" != "yes"; then
360 CFLAGS="-I$withval/include $CFLAGS"
361 CPPFLAGS="-I$withval/include $CPPFLAGS"
362 LDFLAGS="-L$withval/lib $LDFLAGS"
364 AC_CHECK_FUNCS(poll, [
365 AC_CHECK_HEADERS(poll.h,
366 x_io_backend=poll\(\),
368 [Can't enable poll IO support!])
371 AC_MSG_ERROR([Can't enable poll IO support!])
376 AC_CHECK_FUNCS(poll, [
377 AC_CHECK_HEADERS(poll.h, x_io_backend=poll\(\))
383 AS_HELP_STRING([--without-devpoll],
384 [disable /dev/poll IO support (autodetected by default)]),
385 [ if test "$withval" != "no"; then
386 if test "$withval" != "yes"; then
387 CFLAGS="-I$withval/include $CFLAGS"
388 CPPFLAGS="-I$withval/include $CPPFLAGS"
389 LDFLAGS="-L$withval/lib $LDFLAGS"
392 AC_CHECK_HEADERS(sys/devpoll.h,,AC_MSG_ERROR([required C header missing!]))
396 AC_CHECK_HEADERS(sys/devpoll.h, x_io_backend=/dev/poll)
401 AS_HELP_STRING([--without-epoll],
402 [disable epoll IO support (autodetected by default)]),
403 [ if test "$withval" != "no"; then
404 if test "$withval" != "yes"; then
405 CFLAGS="-I$withval/include $CFLAGS"
406 CPPFLAGS="-I$withval/include $CPPFLAGS"
407 LDFLAGS="-L$withval/lib $LDFLAGS"
409 AC_CHECK_FUNCS(epoll_create, x_io_epoll=yes,
410 AC_MSG_ERROR([Can't enable epoll IO support!])
415 AC_CHECK_FUNCS(epoll_create, x_io_epoll=yes)
420 AS_HELP_STRING([--without-kqueue],
421 [disable kqueue IO support (autodetected by default)]),
422 [ if test "$withval" != "no"; then
423 if test "$withval" != "yes"; then
424 CFLAGS="-I$withval/include $CFLAGS"
425 CPPFLAGS="-I$withval/include $CPPFLAGS"
426 LDFLAGS="-L$withval/lib $LDFLAGS"
428 AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\),
429 AC_MSG_ERROR([Can't enable kqueue IO support!])
434 AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\))
438 if test "$x_io_epoll" = "yes" -a "$x_io_select" = "yes"; then
439 # when epoll() and select() are available, we'll use both!
440 x_io_backend="epoll(), select()"
442 if test "$x_io_epoll" = "yes"; then
443 # we prefere epoll() if it is available
444 x_io_backend="epoll()"
446 if test "$x_io_select" = "yes" -a "$x_io_backend" = "none"; then
447 # we'll use select, when available and no "better"
448 # interface has been detected ...
449 x_io_backend="select()"
454 if test "$x_io_backend" = "none"; then
455 AC_MSG_ERROR([No useable IO API activated/found!?])
461 AS_HELP_STRING([--with-openssl],
462 [enable SSL support using OpenSSL]),
463 [ if test "$withval" != "no"; then
464 if test "$withval" != "yes"; then
465 CFLAGS="-I$withval/include $CFLAGS"
466 CPPFLAGS="-I$withval/include $CPPFLAGS"
467 LDFLAGS="-L$withval/lib $LDFLAGS"
469 PKG_CHECK_MODULES([OPENSSL], [libssl libcrypto],
470 [LIBS="$LIBS $OPENSSL_LIBS" CFLAGS="$CFLAGS $OPENSSL_CFLAGS"
471 AC_DEFINE(HAVE_LIBSSL, 1)],
472 [AC_CHECK_LIB(crypto, BIO_s_mem)
473 AC_CHECK_LIB(ssl, SSL_new)]
475 AC_CHECK_FUNCS(SSL_new, x_ssl_openssl=yes,
476 AC_MSG_ERROR([Can't enable openssl])
483 AS_HELP_STRING([--with-gnutls],
484 [enable SSL support using gnutls]),
485 [ if test "$withval" != "no"; then
486 if test "$withval" != "yes"; then
487 CFLAGS="-I$withval/include $CFLAGS"
488 CPPFLAGS="-I$withval/include $CPPFLAGS"
489 LDFLAGS="-L$withval/lib $LDFLAGS"
491 AC_CHECK_LIB(gnutls, gnutls_global_init)
492 AC_CHECK_FUNCS(gnutls_global_init, x_ssl_gnutls=yes,
493 AC_MSG_ERROR([Can't enable gnutls])
500 if test "$x_ssl_gnutls" = "yes"; then
501 if test "$x_ssl_openssl" = "yes";then
502 AC_MSG_ERROR([Cannot enable both gnutls and openssl])
506 if test "$x_ssl_openssl" = "yes"; then
510 AM_CONDITIONAL(HAVE_SSL, [test $x_ssl_lib != "no"])
515 AC_ARG_WITH(tcp-wrappers,
516 AS_HELP_STRING([--with-tcp-wrappers],
517 [enable TCP wrappers support]),
518 [ if test "$withval" != "no"; then
519 if test "$withval" != "yes"; then
520 CFLAGS="-I$withval/include $CFLAGS"
521 CPPFLAGS="-I$withval/include $CPPFLAGS"
522 LDFLAGS="-L$withval/lib $LDFLAGS"
524 AC_MSG_CHECKING(for hosts_access)
527 LIBS_END="-lwrap $LIBS_END"
528 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
529 #include <sys/types.h>
530 #include <sys/socket.h>
532 int allow_severity = 0;
533 int deny_severity = 0;
535 tcpd_warn("link test");
538 AC_DEFINE(TCPWRAP, 1)
542 AC_MSG_ERROR([Can't enable TCP wrappers!])
549 # do IDENT requests using libident?
553 AS_HELP_STRING([--with-ident],
554 [enable "IDENT" ("AUTH") protocol support]),
555 [ if test "$withval" != "no"; then
556 if test "$withval" != "yes"; then
557 CFLAGS="-I$withval/include $CFLAGS"
558 CPPFLAGS="-I$withval/include $CPPFLAGS"
559 LDFLAGS="-L$withval/lib $LDFLAGS"
561 AC_CHECK_LIB(ident, ident_id)
562 AC_CHECK_FUNCS(ident_id, x_identauth_on=yes,
563 AC_MSG_ERROR([Can't enable IDENT support!])
568 if test "$x_identauth_on" = "yes"; then
569 AC_DEFINE(IDENTAUTH, 1)
570 AC_CHECK_HEADERS(ident.h,,AC_MSG_ERROR([required C header missing!]))
573 # compile in PAM support?
577 AS_HELP_STRING([--with-pam],
578 [enable user authentication using PAM]),
579 [ if test "$withval" != "no"; then
580 if test "$withval" != "yes"; then
581 CFLAGS="-I$withval/include $CFLAGS"
582 CPPFLAGS="-I$withval/include $CPPFLAGS"
583 LDFLAGS="-L$withval/lib $LDFLAGS"
585 AC_CHECK_LIB(pam, pam_authenticate)
586 AC_CHECK_FUNCS(pam_authenticate, x_pam_on=yes,
587 AC_MSG_ERROR([Can't enable PAM support!])
592 if test "$x_pam_on" = "yes"; then
594 AC_CHECK_HEADERS(security/pam_appl.h,pam_ok=yes)
595 if test "$pam_ok" != "yes"; then
596 AC_CHECK_HEADERS(pam/pam_appl.h,pam_ok=yes,
597 AC_MSG_ERROR([required C header missing!]))
601 # compile in IRC+ protocol support?
604 AC_ARG_ENABLE(ircplus,
605 AS_HELP_STRING([--disable-ircplus],
606 [disable IRC+ protocol]),
607 if test "$enableval" = "no"; then x_ircplus_on=no; fi
609 if test "$x_ircplus_on" = "yes"; then
610 AC_DEFINE(IRCPLUS, 1)
612 # Compile in iconv support?
613 # We only check for it when IRC+ is enabled, because the IRC+ command
614 # CHARCONV is the only function depending on it.
617 AS_HELP_STRING([--with-iconv],
618 [enable character conversion using libiconv]),
619 [ if test "$withval" != "no"; then
620 if test "$withval" != "yes"; then
621 CFLAGS="-I$withval/include $CFLAGS"
622 CPPFLAGS="-I$withval/include $CPPFLAGS"
623 LDFLAGS="-L$withval/lib $LDFLAGS"
625 AC_CHECK_LIB(iconv, iconv_open)
626 AC_CHECK_FUNCS(iconv_open, x_iconv_on=yes)
627 if test "$x_iconv_on" != "yes"; then
628 AC_CHECK_LIB(iconv, libiconv_open)
629 AC_CHECK_FUNCS(libiconv_open, x_iconv_on=yes)
631 if test "$x_iconv_on" != "yes"; then
632 AC_MSG_ERROR([Can't enable libiconv support!])
636 if test "$x_iconv_on" = "yes"; then
641 # enable support for IPv6?
644 AS_HELP_STRING([--enable-ipv6],
645 [enable IPv6 protocol support]),
646 if test "$enableval" = "yes"; then x_ipv6_on=yes; fi
648 if test "$x_ipv6_on" = "yes"; then
649 # getaddrinfo() and getnameinfo() are optional when not compiling
650 # with IPv6 support, but are required for IPv6 to work!
652 getaddrinfo getnameinfo \
653 ],,AC_MSG_ERROR([required function missing for IPv6 support!]))
654 AC_DEFINE(WANT_IPV6, 1)
657 # compile in IRC "sniffer"?
659 x_sniffer_on=no; x_debug_on=no
660 AC_ARG_ENABLE(sniffer,
661 AS_HELP_STRING([--enable-sniffer],
662 [enable IRC traffic sniffer (enables debug mode)]),
663 if test "$enableval" = "yes"; then
664 AC_DEFINE(SNIFFER, 1)
665 x_sniffer_on=yes; x_debug_on=yes
669 # enable additional debugging code?
672 AS_HELP_STRING([--enable-debug],
673 [show additional debug output]),
674 if test "$enableval" = "yes"; then x_debug_on=yes; fi
676 if test "$x_debug_on" = "yes"; then
678 test "$GCC" = "yes" && CFLAGS="-pedantic $CFLAGS"
679 AC_CHECK_FUNCS(mtrace)
682 # enable "strict RFC rules"?
685 AC_ARG_ENABLE(strict-rfc,
686 AS_HELP_STRING([--enable-strict-rfc],
687 [strict RFC conformance -- may break clients!]),
688 if test "$enableval" = "yes"; then
689 AC_DEFINE(STRICT_RFC, 1)
696 AC_DEFINE_UNQUOTED(HOST_CPU, "$host_cpu" )
697 AC_DEFINE_UNQUOTED(HOST_VENDOR, "$host_vendor" )
698 AC_DEFINE_UNQUOTED(HOST_OS, "$host_os" )
700 # Add additional CFLAGS, LDFLAGS and LIBS which were specified on the command
701 # line or by some tests from above, but after running this script. Useful for
702 # adding "-Werror", for example:
703 test -n "$CFLAGS_END" && CFLAGS="$CFLAGS $CFLAGS_END"
704 test -n "$LDFLAGS_END" && LDFLAGS="$LDFLAGS $LDFLAGS_END"
705 test -n "$LIBS_END" && LIBS="$LIBS $LIBS_END"
707 # -- Generate files --
711 contrib/Debian/Makefile \
712 contrib/MacOSX/Makefile \
713 contrib/MacOSX/ngIRCd.xcodeproj/Makefile \
718 src/ipaddr/Makefile \
720 src/ngircd/Makefile \
721 src/portab/Makefile \
722 src/testsuite/Makefile \
728 type dpkg >/dev/null 2>&1
729 if test $? -eq 0; then
730 # Generate debian/ link if the dpkg command exists
731 # (read: if we are running on a debian compatible system)
732 echo "creating Debian-specific links ..."
733 if test ! -f debian/rules -a -f contrib/Debian/rules; then
734 ln -s contrib/Debian debian
741 echo "ngIRCd $PACKAGE_VERSION has been configured with the following options:"
744 # Someone please show me a better way :) [borrowed by OpenSSH]
745 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
746 S=`eval echo ${sbindir}` ; S=`eval echo ${S}`
747 C=`eval echo ${sysconfdir}` ; C=`eval echo ${C}`
748 M=`eval echo ${mandir}` ; M=`eval echo ${M}`
749 D=`eval echo ${docdir}` ; D=`eval echo ${D}`
751 echo " Host: ${host}"
752 echo " Compiler: ${CC}"
753 test -n "$CFLAGS" && echo " Compiler flags: ${CFLAGS}"
754 test -n "$CPPFLAGS" && echo " Preprocessor flags: ${CPPFLAGS}"
755 test -n "$LDFLAGS" && echo " Linker flags: ${LDFLAGS}"
756 test -n "$LIBS" && echo " Libraries: ${LIBS}"
758 echo " 'ngircd' binary: $S"
759 echo " Configuration file: $C"
760 echo " Manual pages: $M"
761 echo " Documentation: $D"
764 echo $ECHO_N " Syslog support: $ECHO_C"
765 test "$x_syslog_on" = "yes" \
766 && echo $ECHO_N "yes $ECHO_C" \
767 || echo $ECHO_N "no $ECHO_C"
768 echo $ECHO_N " Enable debug code: $ECHO_C"
769 test "$x_debug_on" = "yes" \
773 echo $ECHO_N " zlib compression: $ECHO_C"
774 test "$x_zlib_on" = "yes" \
775 && echo $ECHO_N "yes $ECHO_C" \
776 || echo $ECHO_N "no $ECHO_C"
777 echo $ECHO_N " IRC sniffer: $ECHO_C"
778 test "$x_sniffer_on" = "yes" \
782 echo $ECHO_N " Use TCP Wrappers: $ECHO_C"
783 test "$x_tcpwrap_on" = "yes" \
784 && echo $ECHO_N "yes $ECHO_C" \
785 || echo $ECHO_N "no $ECHO_C"
786 echo $ECHO_N " Strict RFC mode: $ECHO_C"
787 test "$x_strict_rfc_on" = "yes" \
791 echo $ECHO_N " IDENT support: $ECHO_C"
792 test "$x_identauth_on" = "yes" \
793 && echo $ECHO_N "yes $ECHO_C" \
794 || echo $ECHO_N "no $ECHO_C"
795 echo $ECHO_N " IRC+ protocol: $ECHO_C"
796 test "$x_ircplus_on" = "yes" \
800 echo $ECHO_N " IPv6 protocol: $ECHO_C"
801 test "$x_ipv6_on" = "yes" \
802 && echo $ECHO_N "yes $ECHO_C" \
803 || echo $ECHO_N "no $ECHO_C"
804 echo $ECHO_N " I/O backend: $ECHO_C"
807 echo $ECHO_N " PAM support: $ECHO_C"
808 test "$x_pam_on" = "yes" \
809 && echo $ECHO_N "yes $ECHO_C" \
810 || echo $ECHO_N "no $ECHO_C"
811 echo $ECHO_N " SSL support: $ECHO_C"
814 echo $ECHO_N " libiconv support: $ECHO_C"
819 define(_automake_regex_,[[^AUTOMAKE_OPTIONS = [a-z .\-]*/portab/ansi2knr]])
820 if ! grep "_automake_regex_" src/ngircd/Makefile.am >/dev/null 2>&1; then
822 echo "This GNU automake generated build system does not support \"de-ANSI-fication\","
823 echo "therefore don't use it to generate \"official\" distribution archives!"
824 echo "(Most probably you want to use GNU automake 1.11.x for this purpose ...)"