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-rw-r--r--ngircd/configure.ng850
1 files changed, 850 insertions, 0 deletions
diff --git a/ngircd/configure.ng b/ngircd/configure.ng
new file mode 100644
index 0000000..0dccfbc
--- /dev/null
+++ b/ngircd/configure.ng
@@ -0,0 +1,850 @@
+#
+# ngIRCd -- The Next Generation IRC Daemon
+# Copyright (c)2001-2024 Alexander Barton (alex@barton.de) and Contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# Please read the file COPYING, README and AUTHORS for more information.
+#
+
+define(VERSION_ID,esyscmd([
+ V=`git describe 2>/dev/null | sed -e 's/rel-//g' | sed -e 's/-/~/'`;
+ [ -z "$V" -a -r configure ] \
+ && V=`grep "PACKAGE_STRING=" configure | cut -d"'" -f2 | cut -d' ' -f2`
+ ( [ -n "$V" ] && echo "$V" || echo "??" ) | tr -d '\n';
+]))
+
+m4_ifdef([AM_SILENT_RULES],
+ [m4_define([ng_color_tests], [color-tests])],
+ [m4_define([ng_color_tests], [])])
+
+# -- Initialisation --
+
+AC_PREREQ([2.61])
+AC_INIT([ngIRCd],[VERSION_ID],[ngircd@lists.barton.de],[ngircd],[https://ngircd.barton.de/])
+
+AC_CONFIG_SRCDIR([src/ngircd/ngircd.c])
+AC_CONFIG_HEADER([src/config.h])
+AC_CANONICAL_HOST
+
+AM_INIT_AUTOMAKE([-Wall 1.10 foreign ]ng_color_tests)
+
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+# -- Templates for config.h --
+
+AH_TEMPLATE([DEBUG], [Define if debug-mode should be enabled])
+AH_TEMPLATE([HAVE_sockaddr_in_len], [Define if sockaddr_in.sin_len exists])
+AH_TEMPLATE([HAVE_socklen_t], [Define if socklen_t exists])
+AH_TEMPLATE([ICONV], [Define if libiconv can be used, e.g. for CHARCONV])
+AH_TEMPLATE([IDENTAUTH], [Define if the server should do IDENT requests])
+AH_TEMPLATE([IRCPLUS], [Define if IRC+ protocol should be used])
+AH_TEMPLATE([PAM], [Define if PAM should be used])
+AH_TEMPLATE([SNIFFER], [Define if IRC sniffer should be enabled])
+AH_TEMPLATE([STRICT_RFC], [Define if ngIRCd should behave strict RFC compliant])
+AH_TEMPLATE([SYSLOG], [Define if syslog should be used for logging])
+AH_TEMPLATE([TCPWRAP], [Define if TCP wrappers should be used])
+AH_TEMPLATE([WANT_IPV6], [Define if IPV6 protocol should be enabled])
+AH_TEMPLATE([ZLIB], [Define if zlib compression should be enabled])
+
+AH_TEMPLATE([HOST_OS], [Target operating system name])
+AH_TEMPLATE([HOST_VENDOR], [Target system vendor])
+AH_TEMPLATE([HOST_CPU], [Target CPU name])
+
+# -- C Compiler --
+
+AC_PROG_CC
+AC_PROG_CC_STDC
+
+# -- Helper programs --
+
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
+
+AC_PROG_AWK
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_PROG_MAKE_SET
+AC_PROG_MKDIR_P
+AC_PROG_RANLIB
+
+# -- Compiler Features --
+
+AC_C_CONST
+AC_C_INLINE
+__ng_PROTOTYPES__
+
+# -- Function Definitions --
+
+AC_DEFUN([GCC_STACK_PROTECT_CC],[
+ ssp_cc=yes
+ # Use -fstack-protector-all for the test to enfoce the use of the
+ # guard variable
+ AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
+ ssp_old_cflags="$CFLAGS"
+ CFLAGS="$CFLAGS -fstack-protector-all"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],[],[ssp_cc=no])
+ echo $ssp_cc
+ CFLAGS="$ssp_old_cflags"
+ if test "X$ssp_cc" = "Xyes"; then
+ CFLAGS="$CFLAGS -fstack-protector"
+ AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
+ fi
+])
+
+AC_DEFUN([WORKING_GETADDRINFO],[
+ AC_CHECK_FUNCS([getaddrinfo],[
+ AC_MSG_CHECKING([whether getaddrinfo() works])
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <string.h>
+int
+main(int argc, char **argv)
+{
+ struct addrinfo hints, *ai;
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_flags = AI_PASSIVE;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_family = PF_UNSPEC;
+ if(getaddrinfo(NULL, "0", &hints, &ai) != 0)
+ return 1;
+ return 0;
+}
+ ]])],[
+ AC_DEFINE([HAVE_WORKING_GETADDRINFO], 1, [getaddrinfo(0)])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+ ])
+])
+
+AC_DEFUN([GCC_W_NO_FORMAT_TRUNC],[
+ result=yes
+ AC_MSG_CHECKING([whether ${CC} accepts -Wno-format-truncation])
+ old_cflags="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror -Wno-format-truncation"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],[],[result=no])
+ echo $result
+ if test "X$result" = "Xyes"; then
+ CFLAGS="$old_cflags -Wno-format-truncation"
+ else
+ CFLAGS="$old_cflags"
+ fi
+])
+
+# -- Hard coded system and compiler dependencies/features/options ... --
+
+if test "$GCC" = "yes"; then
+ # We are using the GNU C compiler. Good!
+ CFLAGS="$CFLAGS -pipe -W -Wall -Wpointer-arith -Wstrict-prototypes"
+
+ GCC_STACK_PROTECT_CC
+ GCC_W_NO_FORMAT_TRUNC
+fi
+
+case "$host_os" in
+ hpux*)
+ # This is HP/UX, we need to define _XOPEN_SOURCE_EXTENDED
+ # (tested with HP/UX 11.11)
+ CFLAGS="$CFLAGS -D_XOPEN_SOURCE_EXTENDED"
+ ;;
+esac
+
+# Add additional CFLAGS, eventually specified on the command line:
+test -n "$CFLAGS_ADD" && CFLAGS="$CFLAGS $CFLAGS_ADD"
+
+CFLAGS="$CFLAGS -DSYSCONFDIR='\"\$(sysconfdir)\"' -DDOCDIR='\"\$(docdir)\"'"
+
+# -- Headers --
+
+AC_HEADER_STDC
+AC_HEADER_SYS_WAIT
+AC_HEADER_TIME
+
+# Required header files
+AC_CHECK_HEADERS([ \
+ fcntl.h \
+ netdb.h \
+ netinet/in.h \
+ stdlib.h \
+ string.h \
+ strings.h \
+ sys/socket.h \
+ sys/time.h \
+ sys/types.h \
+ unistd.h \
+ ],,AC_MSG_ERROR([required C header missing!]))
+
+# Optional header files
+AC_CHECK_HEADERS_ONCE([ \
+ arpa/inet.h \
+ inttypes.h \
+ malloc.h \
+ netinet/in_systm.h \
+ netinet/ip.h \
+ stdbool.h \
+ stddef.h \
+ stdint.h \
+ sys/resource.h \
+ sys/un.h \
+ varargs.h \
+])
+
+# -- Datatypes --
+
+AC_MSG_CHECKING(whether socklen_t exists)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+ ]],[[
+ socklen_t a, b;
+ a = 2; b = 4; a += b;
+ ]])],[
+ AC_DEFINE(HAVE_socklen_t) AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+])
+
+AC_TYPE_PID_T
+AC_TYPE_SIZE_T
+AC_TYPE_SSIZE_T
+AC_TYPE_UID_T
+AC_TYPE_UINT16_T
+AC_TYPE_UINT32_T
+AC_TYPE_UINT8_T
+
+AC_CHECK_MEMBER([struct sockaddr_in.sin_len], AC_DEFINE(HAVE_sockaddr_in_len),,
+ [#include <arpa/inet.h>])
+
+# -- Libraries --
+
+# memmove: A/UX libUTIL
+AC_SEARCH_LIBS([memmove], [UTIL], [], [
+ AC_MSG_ERROR([unable to find the memmove() function])
+])
+# gethostbyname: Solaris libnsl
+AC_SEARCH_LIBS([gethostbyname], [bind nsl network], [], [
+ AC_MSG_ERROR([unable to find the gethostbyname() function])
+])
+# bind: SVR4 libsocket
+AC_SEARCH_LIBS([bind], [socket network], [], [
+ AC_MSG_ERROR([unable to find the bind() function])
+])
+
+# -- Functions --
+
+AC_FUNC_FORK
+AC_FUNC_STRFTIME
+
+# Required functions
+AC_CHECK_FUNCS([ \
+ alarm \
+ dup2 \
+ endpwent \
+ gethostbyaddr \
+ gethostbyname \
+ gethostname \
+ gettimeofday \
+ inet_ntoa \
+ memmove \
+ memset \
+ setsid \
+ socket \
+ strcasecmp \
+ strchr \
+ strcspn \
+ strerror \
+ strncasecmp \
+ strrchr \
+ strspn \
+ strstr \
+ ],,
+ AC_MSG_ERROR([required function missing!]))
+
+# Optional functions
+AC_CHECK_FUNCS_ONCE([
+ arc4random \
+ arc4random_stir \
+ gai_strerror \
+ getnameinfo \
+ inet_aton \
+ setgroups \
+ setrlimit \
+ sigaction \
+ sigprocmask \
+ snprintf \
+ strdup \
+ strlcat \
+ strlcpy \
+ strndup \
+ strsignal \
+ strtok_r \
+ unsetenv \
+ vsnprintf \
+ waitpid \
+])
+
+WORKING_GETADDRINFO
+
+# -- Configuration options --
+
+# use syslog?
+
+x_syslog_on=no
+AC_ARG_WITH(syslog,
+ AS_HELP_STRING([--without-syslog],
+ [disable syslog (autodetected by default)]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_SEARCH_LIBS([syslog], [be], [x_syslog_on=yes], [
+ AC_MSG_ERROR([Can't enable syslog!])
+ ])
+ fi
+ ],
+ [ AC_SEARCH_LIBS([syslog], [be], [x_syslog_on=yes])
+ ]
+)
+if test "$x_syslog_on" = "yes"; then
+ AC_DEFINE(SYSLOG, 1)
+ AC_CHECK_HEADERS(syslog.h,,AC_MSG_ERROR([required C header missing!]))
+fi
+
+# use zlib compression?
+
+x_zlib_on=no
+AC_ARG_WITH(zlib,
+ AS_HELP_STRING([--without-zlib],
+ [disable zlib compression (autodetected by default)]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_CHECK_LIB(z, deflate)
+ AC_CHECK_FUNCS(deflate, x_zlib_on=yes,
+ AC_MSG_ERROR([Can't enable zlib!])
+ )
+ fi
+ ],
+ [ AC_CHECK_LIB(z, deflate)
+ AC_CHECK_FUNCS(deflate, x_zlib_on=yes)
+ ]
+)
+if test "$x_zlib_on" = "yes"; then
+ AC_DEFINE(ZLIB, 1)
+ AC_CHECK_HEADERS(zlib.h,,AC_MSG_ERROR([required C header missing!]))
+fi
+
+# detect which IO API to use:
+
+x_io_backend=none
+
+AC_ARG_WITH(select,
+ AS_HELP_STRING([--without-select],
+ [disable select IO support (autodetected by default)]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_CHECK_FUNCS(select, x_io_select=yes,
+ AC_MSG_ERROR([Can't enable select IO support!])
+ )
+ fi
+ ],
+ [
+ AC_CHECK_FUNCS(select, x_io_select=yes)
+ ]
+)
+
+AC_ARG_WITH(poll,
+ AS_HELP_STRING([--without-poll],
+ [disable poll support (autodetected by default)]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_CHECK_FUNCS(poll, [
+ AC_CHECK_HEADERS(poll.h,
+ x_io_backend=poll\(\),
+ AC_MSG_ERROR(
+ [Can't enable poll IO support!])
+ )
+ ], [
+ AC_MSG_ERROR([Can't enable poll IO support!])
+ ])
+ fi
+ ],
+ [
+ AC_CHECK_FUNCS(poll, [
+ AC_CHECK_HEADERS(poll.h, x_io_backend=poll\(\))
+ ])
+ ]
+)
+
+AC_ARG_WITH(devpoll,
+ AS_HELP_STRING([--without-devpoll],
+ [disable /dev/poll IO support (autodetected by default)]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+
+ AC_CHECK_HEADERS(sys/devpoll.h,,AC_MSG_ERROR([required C header missing!]))
+ fi
+ ],
+ [
+ AC_CHECK_HEADERS(sys/devpoll.h, x_io_backend=/dev/poll)
+ ]
+)
+
+AC_ARG_WITH(epoll,
+ AS_HELP_STRING([--without-epoll],
+ [disable epoll IO support (autodetected by default)]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_CHECK_FUNCS(epoll_create, x_io_epoll=yes,
+ AC_MSG_ERROR([Can't enable epoll IO support!])
+ )
+ fi
+ ],
+ [
+ AC_CHECK_FUNCS(epoll_create, x_io_epoll=yes)
+ ]
+)
+
+AC_ARG_WITH(kqueue,
+ AS_HELP_STRING([--without-kqueue],
+ [disable kqueue IO support (autodetected by default)]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\),
+ AC_MSG_ERROR([Can't enable kqueue IO support!])
+ )
+ fi
+ ],
+ [
+ AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\))
+ ]
+)
+
+if test "$x_io_epoll" = "yes" -a "$x_io_select" = "yes"; then
+ # when epoll() and select() are available, we'll use both!
+ x_io_backend="epoll(), select()"
+else
+ if test "$x_io_epoll" = "yes"; then
+ # we prefere epoll() if it is available
+ x_io_backend="epoll()"
+ else
+ if test "$x_io_select" = "yes" -a "$x_io_backend" = "none"; then
+ # we'll use select, when available and no "better"
+ # interface has been detected ...
+ x_io_backend="select()"
+ fi
+ fi
+fi
+
+if test "$x_io_backend" = "none"; then
+ AC_MSG_ERROR([No useable IO API activated/found!?])
+fi
+
+# use SSL?
+
+AC_ARG_WITH(openssl,
+ AS_HELP_STRING([--with-openssl],
+ [enable SSL support using OpenSSL]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ PKG_CHECK_MODULES([OPENSSL], [libssl libcrypto],
+ [LIBS="$LIBS $OPENSSL_LIBS" CFLAGS="$CFLAGS $OPENSSL_CFLAGS"
+ AC_DEFINE(HAVE_LIBSSL, 1)],
+ [AC_CHECK_LIB(crypto, BIO_s_mem)
+ AC_CHECK_LIB(ssl, SSL_new)]
+ )
+ AC_CHECK_FUNCS(SSL_new, x_ssl_openssl=yes,
+ AC_MSG_ERROR([Can't enable openssl])
+ )
+ fi
+ ]
+)
+
+AC_ARG_WITH(gnutls,
+ AS_HELP_STRING([--with-gnutls],
+ [enable SSL support using gnutls]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_CHECK_LIB(gnutls, gnutls_global_init)
+ AC_CHECK_FUNCS(gnutls_global_init, x_ssl_gnutls=yes,
+ AC_MSG_ERROR([Can't enable gnutls])
+ )
+ fi
+ ]
+)
+
+x_ssl_lib="no"
+if test "$x_ssl_gnutls" = "yes"; then
+ if test "$x_ssl_openssl" = "yes";then
+ AC_MSG_ERROR([Cannot enable both gnutls and openssl])
+ fi
+ x_ssl_lib=gnutls
+fi
+if test "$x_ssl_openssl" = "yes"; then
+ x_ssl_lib=openssl
+fi
+
+AM_CONDITIONAL(HAVE_SSL, [test $x_ssl_lib != "no"])
+
+# use TCP wrappers?
+
+x_tcpwrap_on=no
+AC_ARG_WITH(tcp-wrappers,
+ AS_HELP_STRING([--with-tcp-wrappers],
+ [enable TCP wrappers support]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_MSG_CHECKING(for hosts_access)
+ saved_LIBS="$LIBS"
+ LIBS="-lwrap $LIBS"
+ LIBS_END="-lwrap $LIBS_END"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <tcpd.h>
+int allow_severity = 0;
+int deny_severity = 0;
+ ]],[[
+ tcpd_warn("link test");
+ ]])],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(TCPWRAP, 1)
+ x_tcpwrap_on=yes
+ ],[
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR([Can't enable TCP wrappers!])
+ ])
+ LIBS="$saved_LIBS"
+ fi
+ ]
+)
+
+# do IDENT requests using libident?
+
+x_identauth_on=no
+AC_ARG_WITH(ident,
+ AS_HELP_STRING([--with-ident],
+ [enable "IDENT" ("AUTH") protocol support]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_CHECK_LIB(ident, ident_id)
+ AC_CHECK_FUNCS(ident_id, x_identauth_on=yes,
+ AC_MSG_ERROR([Can't enable IDENT support!])
+ )
+ fi
+ ]
+)
+if test "$x_identauth_on" = "yes"; then
+ AC_DEFINE(IDENTAUTH, 1)
+ AC_CHECK_HEADERS(ident.h,,AC_MSG_ERROR([required C header missing!]))
+fi
+
+# compile in PAM support?
+
+x_pam_on=no
+AC_ARG_WITH(pam,
+ AS_HELP_STRING([--with-pam],
+ [enable user authentication using PAM]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_CHECK_LIB(pam, pam_authenticate)
+ AC_CHECK_FUNCS(pam_authenticate, x_pam_on=yes,
+ AC_MSG_ERROR([Can't enable PAM support!])
+ )
+ fi
+ ]
+)
+if test "$x_pam_on" = "yes"; then
+ AC_DEFINE(PAM, 1)
+ AC_CHECK_HEADERS(security/pam_appl.h,pam_ok=yes)
+ if test "$pam_ok" != "yes"; then
+ AC_CHECK_HEADERS(pam/pam_appl.h,pam_ok=yes,
+ AC_MSG_ERROR([required C header missing!]))
+ fi
+fi
+
+# compile in IRC+ protocol support?
+
+x_ircplus_on=yes
+AC_ARG_ENABLE(ircplus,
+ AS_HELP_STRING([--disable-ircplus],
+ [disable IRC+ protocol]),
+ if test "$enableval" = "no"; then x_ircplus_on=no; fi
+)
+if test "$x_ircplus_on" = "yes"; then
+ AC_DEFINE(IRCPLUS, 1)
+
+ # Compile in iconv support?
+ # We only check for it when IRC+ is enabled, because the IRC+ command
+ # CHARCONV is the only function depending on it.
+ x_iconv_on=no
+ AC_ARG_WITH(iconv,
+ AS_HELP_STRING([--with-iconv],
+ [enable character conversion using libiconv]),
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_CHECK_LIB(iconv, iconv_open)
+ AC_CHECK_FUNCS(iconv_open, x_iconv_on=yes)
+ if test "$x_iconv_on" != "yes"; then
+ AC_CHECK_LIB(iconv, libiconv_open)
+ AC_CHECK_FUNCS(libiconv_open, x_iconv_on=yes)
+ fi
+ if test "$x_iconv_on" != "yes"; then
+ AC_MSG_ERROR([Can't enable libiconv support!])
+ fi
+ fi ]
+ )
+ if test "$x_iconv_on" = "yes"; then
+ AC_DEFINE(ICONV, 1)
+ fi
+fi
+
+# enable support for IPv6?
+
+x_ipv6_on=yes
+AC_ARG_ENABLE(ipv6,
+ AS_HELP_STRING([--disable-ipv6],
+ [disable IPv6 protocol support (autodetected by default)]),
+ [ if test "$enableval" = "no"; then
+ x_ipv6_on=no
+ else
+ AC_CHECK_FUNCS(
+ [getaddrinfo getnameinfo],,
+ AC_MSG_ERROR([required function missing for IPv6 support!])
+ )
+ fi
+ ],
+ [ AC_CHECK_FUNCS([getaddrinfo getnameinfo],, x_ipv6_on=no)
+ ]
+)
+if test "$x_ipv6_on" = "yes"; then
+ AC_DEFINE(WANT_IPV6, 1)
+fi
+
+# compile in IRC "sniffer"?
+
+x_sniffer_on=no; x_debug_on=no
+AC_ARG_ENABLE(sniffer,
+ AS_HELP_STRING([--enable-sniffer],
+ [enable IRC traffic sniffer (enables debug mode)]),
+ if test "$enableval" = "yes"; then
+ AC_DEFINE(SNIFFER, 1)
+ x_sniffer_on=yes; x_debug_on=yes
+ fi
+)
+
+# enable additional debugging code?
+
+AC_ARG_ENABLE(debug,
+ AS_HELP_STRING([--enable-debug],
+ [show additional debug output]),
+ if test "$enableval" = "yes"; then x_debug_on=yes; fi
+)
+if test "$x_debug_on" = "yes"; then
+ AC_DEFINE(DEBUG, 1)
+ test "$GCC" = "yes" && CFLAGS="-pedantic $CFLAGS"
+ AC_CHECK_FUNCS(mtrace)
+fi
+
+# enable "strict RFC rules"?
+
+x_strict_rfc_on=no
+AC_ARG_ENABLE(strict-rfc,
+ AS_HELP_STRING([--enable-strict-rfc],
+ [strict RFC conformance -- may break clients!]),
+ if test "$enableval" = "yes"; then
+ AC_DEFINE(STRICT_RFC, 1)
+ x_strict_rfc_on=yes
+ fi
+)
+
+# -- Definitions --
+
+AC_DEFINE_UNQUOTED(HOST_CPU, "$host_cpu" )
+AC_DEFINE_UNQUOTED(HOST_VENDOR, "$host_vendor" )
+AC_DEFINE_UNQUOTED(HOST_OS, "$host_os" )
+
+# Add additional CFLAGS, LDFLAGS and LIBS which were specified on the command
+# line or by some tests from above, but after running this script. Useful for
+# adding "-Werror", for example:
+test -n "$CFLAGS_END" && CFLAGS="$CFLAGS $CFLAGS_END"
+test -n "$LDFLAGS_END" && LDFLAGS="$LDFLAGS $LDFLAGS_END"
+test -n "$LIBS_END" && LIBS="$LIBS $LIBS_END"
+
+# -- Generate files --
+
+AC_CONFIG_FILES([ \
+ Makefile \
+ contrib/Debian/Makefile \
+ contrib/Makefile \
+ doc/Makefile \
+ doc/src/Makefile \
+ man/Makefile \
+ src/ipaddr/Makefile \
+ src/Makefile \
+ src/ngircd/Makefile \
+ src/portab/Makefile \
+ src/testsuite/Makefile \
+ src/tool/Makefile \
+])
+
+AC_OUTPUT
+
+type dpkg >/dev/null 2>&1
+if test $? -eq 0; then
+ # Generate debian/ link if the dpkg command exists
+ # (read: if we are running on a debian compatible system)
+ echo "creating Debian-specific links ..."
+ if test ! -f debian/rules -a -f contrib/Debian/rules; then
+ ln -s contrib/Debian debian
+ fi
+fi
+
+# -- Result --
+
+echo
+echo "ngIRCd $PACKAGE_VERSION has been configured with the following options:"
+echo
+
+# Someone please show me a better way :) [borrowed by OpenSSH]
+B=`eval echo ${bindir}` ; B=`eval echo ${B}`
+S=`eval echo ${sbindir}` ; S=`eval echo ${S}`
+C=`eval echo ${sysconfdir}` ; C=`eval echo ${C}`
+M=`eval echo ${mandir}` ; M=`eval echo ${M}`
+D=`eval echo ${docdir}` ; D=`eval echo ${D}`
+
+echo " Host: ${host}"
+echo " Compiler: ${CC}"
+test -n "$CFLAGS" && echo " Compiler flags: ${CFLAGS}"
+test -n "$CPPFLAGS" && echo " Preprocessor flags: ${CPPFLAGS}"
+test -n "$LDFLAGS" && echo " Linker flags: ${LDFLAGS}"
+test -n "$LIBS" && echo " Libraries: ${LIBS}"
+echo
+echo " 'ngircd' binary: $S"
+echo " Configuration file: $C"
+echo " Manual pages: $M"
+echo " Documentation: $D"
+echo
+
+echo $ECHO_N " Syslog support: $ECHO_C"
+test "$x_syslog_on" = "yes" \
+ && echo $ECHO_N "yes $ECHO_C" \
+ || echo $ECHO_N "no $ECHO_C"
+echo $ECHO_N " Enable debug code: $ECHO_C"
+test "$x_debug_on" = "yes" \
+ && echo "yes" \
+ || echo "no"
+
+echo $ECHO_N " zlib compression: $ECHO_C"
+test "$x_zlib_on" = "yes" \
+ && echo $ECHO_N "yes $ECHO_C" \
+ || echo $ECHO_N "no $ECHO_C"
+echo $ECHO_N " IRC sniffer: $ECHO_C"
+test "$x_sniffer_on" = "yes" \
+ && echo "yes" \
+ || echo "no"
+
+echo $ECHO_N " Use TCP Wrappers: $ECHO_C"
+test "$x_tcpwrap_on" = "yes" \
+ && echo $ECHO_N "yes $ECHO_C" \
+ || echo $ECHO_N "no $ECHO_C"
+echo $ECHO_N " Strict RFC mode: $ECHO_C"
+test "$x_strict_rfc_on" = "yes" \
+ && echo "yes" \
+ || echo "no"
+
+echo $ECHO_N " IDENT support: $ECHO_C"
+test "$x_identauth_on" = "yes" \
+ && echo $ECHO_N "yes $ECHO_C" \
+ || echo $ECHO_N "no $ECHO_C"
+echo $ECHO_N " IRC+ protocol: $ECHO_C"
+test "$x_ircplus_on" = "yes" \
+ && echo "yes" \
+ || echo "no"
+
+echo $ECHO_N " IPv6 protocol: $ECHO_C"
+test "$x_ipv6_on" = "yes" \
+ && echo $ECHO_N "yes $ECHO_C" \
+ || echo $ECHO_N "no $ECHO_C"
+echo $ECHO_N " I/O backend: $ECHO_C"
+ echo "$x_io_backend"
+
+echo $ECHO_N " PAM support: $ECHO_C"
+test "$x_pam_on" = "yes" \
+ && echo $ECHO_N "yes $ECHO_C" \
+ || echo $ECHO_N "no $ECHO_C"
+echo $ECHO_N " SSL support: $ECHO_C"
+echo "$x_ssl_lib"
+
+echo $ECHO_N " libiconv support: $ECHO_C"
+ echo "$x_iconv_on"
+
+echo
+
+define(_automake_regex_,[[^AUTOMAKE_OPTIONS = [a-z .\-]*/portab/ansi2knr]])
+if ! grep "_automake_regex_" src/ngircd/Makefile.am >/dev/null 2>&1; then
+ echo "WARNING:"
+ echo "This GNU automake generated build system does not support \"de-ANSI-fication\","
+ echo "therefore don't use it to generate \"official\" distribution archives!"
+ echo "(Most probably you want to use GNU automake 1.11.x for this purpose ...)"
+ echo
+fi
+
+# -eof-