X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=configure.in;h=d17bc15e922d2b6bd043cfb9d9c93f763f23a6a8;hp=0875735a27d6124e7e7a7226ef057454499c9448;hb=66e68de16a2c174811cf161654b734a9254456c5;hpb=4d7d1d23be0b7ca4dea63a028011399fb07ee8a9

diff --git a/configure.in b/configure.in
index 0875735a..d17bc15e 100644
--- a/configure.in
+++ b/configure.in
@@ -8,7 +8,7 @@
 # (at your option) any later version.
 # Please read the file COPYING, README and AUTHORS for more information.
 #
-# $Id: configure.in,v 1.120 2006/08/13 18:11:18 fw Exp $
+# $Id: configure.in,v 1.126 2008/02/26 22:04:15 fw Exp $
 #
 
 # -- Initialisation --
@@ -30,6 +30,7 @@ AH_TEMPLATE([SYSLOG], [Define if syslog should be used for logging])
 AH_TEMPLATE([ZLIB], [Define if zlib compression should be enabled])
 AH_TEMPLATE([TCPWRAP], [Define if TCP wrappers should be used])
 AH_TEMPLATE([IRCPLUS], [Define if IRC+ protocol should be used])
+AH_TEMPLATE([WANT_IPV6], [Define if IPV6 protocol should be enabled])
 AH_TEMPLATE([ZEROCONF], [Define if support for Zeroconf should be included])
 AH_TEMPLATE([IDENTAUTH], [Define if the server should do IDENT requests])
 
@@ -57,29 +58,28 @@ AC_C_INLINE
 
 # -- 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"
-fi
-
-
 AC_DEFUN([GCC_STACK_PROTECT_CC],[
   ssp_cc=yes
-  if test "X$CC" != "X"; then
-    AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
-    ssp_old_cflags="$CFLAGS"
-    CFLAGS="$CFLAGS -fstack-protector"
-    AC_TRY_LINK(,,, ssp_cc=no)
-    echo $ssp_cc
-    if test "X$ssp_cc" = "Xno"; then
-      CFLAGS="$ssp_old_cflags"
-    else
+  # we 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_TRY_LINK(,,, 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
   fi
 ])
 
-GCC_STACK_PROTECT_CC
+
+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
+fi
 
 case "$target_os" in
 	hpux*)
@@ -139,17 +139,15 @@ AC_FUNC_STRFTIME
 
 AC_CHECK_FUNCS([ \
 	bind gethostbyaddr gethostbyname gethostname inet_ntoa malloc memmove \
-	memset realloc setsid setsockopt socket strcasecmp strchr strerror \
+	memset realloc setsid setsockopt socket strcasecmp strchr strcspn strerror \
 	strstr waitpid],,AC_MSG_ERROR([required function missing!]))
 
 AC_CHECK_FUNCS(inet_aton isdigit sigaction snprintf vsnprintf strdup strlcpy strlcat)
 
-AC_CHECK_FUNCS(select,[AC_CHECK_HEADERS(sys/select.h)],
-	AC_MSG_ERROR([required function select() is missing!])
-)
-
 # -- Configuration options --
 
+# use syslog?
+
 x_syslog_on=no
 AC_ARG_WITH(syslog,
 	[  --without-syslog        disable syslog (autodetected by default)],
@@ -175,6 +173,8 @@ if test "$x_syslog_on" = "yes"; then
 	AC_CHECK_HEADERS(syslog.h,,AC_MSG_ERROR([required C header missing!]))
 fi
 
+# use zlib compression?
+
 x_zlib_on=no
 AC_ARG_WITH(zlib,
 	[  --without-zlib          disable zlib compression (autodetected by default)],
@@ -199,44 +199,120 @@ if test "$x_zlib_on" = "yes"; then
 	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,
+	[  --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 $LDFLAGS"
+			fi
+			AC_CHECK_FUNCS(select, x_io_select=yes,
+				AC_MSG_ERROR([Can't enable select IO support!])
+			)
+		fi
+	],
+	[
+		AC_CHECK_FUNCS(select, x_io_select=yes)
+	]
+)
+
+AC_ARG_WITH(poll,
+	[  --without-poll          disable poll support (autodetected by default)],
+	[	if test "$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, x_io_backend=poll\(\),
+				AC_MSG_ERROR([Can't enable poll IO support!])
+			)
+		fi
+	],
+	[
+		AC_CHECK_FUNCS(poll, x_io_backend=poll\(\))
+	]
+)
+
+AC_ARG_WITH(devpoll,
+	[  --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)
+	]
+)
 
-x_io_backend=select
 AC_ARG_WITH(epoll,
-	[  --without-epoll         disable epoll support (autodetected by default)],
+	[  --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_backend=epoll,
-				AC_MSG_ERROR([Can't enable epoll support!])
+			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_backend=epoll)
+		AC_CHECK_FUNCS(epoll_create, x_io_epoll=yes)
 	]
 )
 
 AC_ARG_WITH(kqueue,
-	[  --without-kqueue        disable kqueue support (autodetected by default)],
+	[  --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 support!])
+			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)
+		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 useabe IO API activated/found!?])
+fi
+
+# use TCP wrappers?
 
 x_tcpwrap_on=no
 AC_ARG_WITH(tcp-wrappers,
@@ -267,6 +343,8 @@ int deny_severity = 0;
 	]
 )
 
+# include support for "zeroconf"?
+
 x_zeroconf_on=no
 AC_ARG_WITH(zeroconf,
 	[  --with-zeroconf         enable support for "Zeroconf"],
@@ -315,6 +393,8 @@ if test "$x_zeroconf_on" = "howl"; then
 	AC_DEFINE(ZEROCONF, 1)
 fi
 
+# do IDENT requests using libident?
+
 x_identauth_on=no
 AC_ARG_WITH(ident,
 	[  --with-ident            enable "IDENT" ("AUTH") protocol support],
@@ -336,6 +416,8 @@ if test "$x_identauth_on" = "yes"; then
 	AC_CHECK_HEADERS(ident.h,,AC_MSG_ERROR([required C header missing!]))
 fi
 
+# compile in IRC+ protocol support?
+
 x_ircplus_on=yes
 AC_ARG_ENABLE(ircplus,
 	[  --disable-ircplus       disable IRC+ protocol],
@@ -345,6 +427,21 @@ if test "$x_ircplus_on" = "yes"; then
 	AC_DEFINE(IRCPLUS, 1)
 fi
 
+# enable support for IPv6?
+x_ipv6_on=no
+AC_ARG_ENABLE(ipv6,
+	[  --enable-ipv6,       enable IPv6 protocol support],
+	if test "$enableval" = "yes"; then x_ipv6_on=yes; fi
+)
+if test "$x_ipv6_on" = "yes"; then
+	AC_CHECK_FUNCS([ \
+		getaddrinfo getnameinfo \
+		],,AC_MSG_ERROR([required function missing for IPv6 support!]))
+	AC_DEFINE(WANT_IPV6, 1)
+fi
+
+# compile in IRC "sniffer"?
+
 x_sniffer_on=no; x_debug_on=no
 AC_ARG_ENABLE(sniffer,
 	[  --enable-sniffer        enable IRC traffic sniffer (enables debug mode)],
@@ -354,6 +451,8 @@ AC_ARG_ENABLE(sniffer,
 	fi
 )
 
+# enable additional debugging code?
+
 AC_ARG_ENABLE(debug,
 	[  --enable-debug          show additional debug output],
 	if test "$enableval" = "yes"; then x_debug_on=yes; fi
@@ -363,6 +462,8 @@ if test "$x_debug_on" = "yes"; then
 	test "$GCC" = "yes" && CFLAGS="-pedantic $CFLAGS"
 fi
 
+# enable "strict RFC rules"?
+
 x_strict_rfc_on=no
 AC_ARG_ENABLE(strict-rfc,
 	[  --enable-strict-rfc     strict RFC conformance -- may break clients!],
@@ -390,6 +491,7 @@ AC_OUTPUT([ \
 	doc/src/Makefile \
 	src/Makefile \
 	src/portab/Makefile \
+	src/ipaddr/Makefile \
 	src/tool/Makefile \
 	src/ngircd/Makefile \
 	src/testsuite/Makefile \
@@ -483,8 +585,10 @@ test "$x_identauth_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 "\"$x_io_backend\""
 
+echo $ECHO_N "      IPv6 protocol: $ECHO_C"
+echo "$x_ipv6_on"
 echo
 
 # -eof-