gvpe/configure.ac

dnl Process this file with autoconf to produce a configure script.

AC_PREREQ(2.59)
AC_INIT
AC_CONFIG_SRCDIR([src/vped.C])
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE(vpe, 1.7)
AC_CONFIG_HEADERS([config.h])
AM_MAINTAINER_MODE

AH_TOP([
#ifndef CONFIG_H__
#define CONFIG_H__

#ifdef __cplusplus
   using namespace std;
#endif

])

AH_BOTTOM([
#if __CYGWIN__

typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;

#else
#include <inttypes.h>

/* old modula-2 habits */
typedef unsigned char u8;
typedef uint16_t u16;
typedef uint32_t u32;
#endif

#endif
])

dnl Include the macros from the m4/ directory
AM_ACLOCAL_INCLUDE(m4)

AM_GNU_GETTEXT([external])
AM_GNU_GETTEXT_VERSION(0.11.5)

# Enable GNU extensions.
# Define this here, not in acconfig's @TOP@ section, since definitions
# in the latter don't make it into the configure-time tests.
AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extenstions])

# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs
dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions])
dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions])

ALL_LINGUAS=""

dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_GCC_TRADITIONAL
AC_PROG_AWK
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_RANLIB

AC_ARG_ENABLE(iftype,
  [AS_HELP_STRING(--enable-iftype=TYPE/SUBTYPE,
     Use kernel/net device interface TYPE/SUBTYPE.
     Working combinations are:
        "native/linux"
        "tincd/linux"
        "tincd/freebsd"
        "tincd/openbsd"
        "tincd/darwin"
        "native/cygwin";
     Untested combinations are:
        "tincd/netbsd"
        "tincd/solaris"
        "tincd/mingw";
     Broken combinations are:
        "tincd/cygwin";
     The default is to autodetect.
  )],
  [
    IFTYPE=`echo $enableval | sed s%/.*%%`
    IFSUBTYPE=`echo $enableval | sed s%.*/%%`
  ]
)

dnl Check and set OS
AC_MSG_CHECKING(for kernel networking interface type)

if test "x$IFTYPE" = "x"; then
   case $target_os in
     *linux*)
       IFTYPE=native
       IFSUBTYPE=linux
       AC_DEFINE(HAVE_LINUX, 1, [Linux])
     ;;
     *freebsd*)
       IFTYPE=tincd
       IFSUBTYPE=freebsd
       AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
     ;;
     *darwin*)
       IFTYPE=tincd
       IFSUBTYPE=darwin
       AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
     ;;
     *solaris*)
       IFTYPE=tincd
       IFSUBTYPE=solaris
       AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS])
     ;;
     *openbsd*)
       IFTYPE=tincd
       IFSUBTYPE=openbsd
       AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD])
     ;;
     *netbsd*)
       IFTYPE=tincd
       IFSUBTYPE=netbsd
       AC_DEFINE(HAVE_NETBSD, 1, [NetBSD])
     ;;
     *cygwin*)
       IFTYPE=native
       IFSUBTYPE=cygwin
       AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
     ;;
     *)
       AC_MSG_ERROR("Unknown operating system.")
     ;;
   esac
fi
AC_MSG_RESULT($IFTYPE/$IFSUBTYPE)
AC_SUBST(IFTYPE,$IFTYPE)
AC_SUBST(IFSUBTYPE,$IFSUBTYPE)
AC_DEFINE_UNQUOTED(IFTYPE,"$IFTYPE",[kernel interface type])
AC_DEFINE_UNQUOTED(IFSUBTYPE,"$IFSUBTYPE",[kernel interface subtype])

AC_CACHE_SAVE

dnl Checks for libraries.

AC_LANG(C++)
AC_CHECK_HEADERS(ext/hash_map)

dnl Checks for header files.
AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \
        sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h sys/cygwin.h \
        sys/mman.h netinet/in.h])
AC_CHECK_HEADERS([arpa/inet.h net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h netinet/in_systm.h], [], [],
[
#include <sys/types.h>
#include <sys/socket.h>
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
])

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM

AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
[
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
  #include <sys/socket.h>]], [[socklen_t len = 42; return len;]])],[ac_cv_type_socklen_t=yes],[ac_cv_type_socklen_t=no])
])
if test $ac_cv_type_socklen_t = yes; then
  AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available])
fi

AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo,
[
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
  #include <sys/socket.h>
  #include <netdb.h>]], [[struct addrinfo ai; ai.ai_family = AF_INET; return ai.ai_family;]])],[ac_cv_struct_addrinfo=yes],[ac_cv_struct_addrinfo=no])
])
if test $ac_cv_struct_addrinfo = yes; then
  AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available])
fi

dnl Checks for library functions.
AC_TYPE_SIGNAL

AC_LANG_PUSH(C)

AC_HEADER_STDC

dnl argl, could somebody catapult darwin into the 21st century???
AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall)

AC_FUNC_ALLOCA

dnl Support for SunOS

AC_CHECK_FUNC(socket, [], [
  AC_CHECK_LIB(socket, connect)
])
AC_CHECK_FUNC(gethostbyname, [], [
  AC_CHECK_LIB(nsl, gethostbyname)
])

AC_LANG_POP

dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo])

AC_CACHE_SAVE

dnl These are defined in files in m4/
tinc_TUNTAP

tinc_OPENSSL
if test "x$openssl_include" != x; then
   CXXFLAGS="$CXXFLAGS -I$openssl_include"
fi
dnl tinc_ZLIB

AC_ARG_ENABLE(rohc,
  [AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)],
  [
  echo
  echo "**********************************************************************"
  echo "**********************************************************************"
  echo "**** --enable-rohc is highly experimental, do not use ****************"
  echo "**********************************************************************"
  echo "**********************************************************************"
  echo
  rohc=true
  AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support])
  ]
)

AM_CONDITIONAL(ROHC, test x$rohc = xtrue)

AC_ARG_ENABLE(icmp,
  [AS_HELP_STRING(--enable-icmp,enable icmp protocol support (default disabled).)],
  AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.])
)

AC_ARG_ENABLE(tcp,
  [AS_HELP_STRING(--enable-tcp,enable tcp protocol support (default disabled).)],
  AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.])
)

AC_ARG_ENABLE(dns,
  [AS_HELP_STRING(--enable-dns,enable dns tunnel protocol support (DOES NOT WORK).)],
  AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.])
)

AC_ARG_ENABLE(http-proxy,
  [AS_HELP_STRING(--enable-http-proxy,enable http proxy connect support (default disabled).)],
  AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.])
)

HMAC=12    dnl see also the AS_HELP_STRING()
AC_ARG_ENABLE(hmac-length,
  [AS_HELP_STRING(--enable-hmac-length=BYTES,use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.)],
  HMAC=$enableval
)
AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.])

RAND=8   dnl see also the AS_HELP_STRING()
AC_ARG_ENABLE(rand-length,
  [AS_HELP_STRING(--enable-rand-length=BYTES,use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.)],
  RAND=$enableval
)
AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.])

MTU=1500   dnl see also the AS_HELP_STRING()
AC_ARG_ENABLE(mtu,
  [AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)],
  MTU=$enableval
)
AC_DEFINE_UNQUOTED(MAX_MTU, $MTU + 14, [Maximum MTU supported.])

COMPRESS=1
AC_ARG_ENABLE(compression,
  [AS_HELP_STRING(--disable-compression,Disable compression support.)],
  if test "x$enableval" = xno; then
     COMPRESS=0
  fi
)
AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.])

CIPHER=bf_cbc
AC_ARG_ENABLE(cipher,
  [AS_HELP_STRING(--enable-cipher,
     Select the symmetric cipher (default "bf"). Must be one of
     "bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".)],
  if test "x$enableval" = xbf     ; then CIPHER=bf_cbc     ; fi
  if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi
  if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi
  if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi
)
AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.])

DIGEST=sha1
AC_ARG_ENABLE(digest,
  [AS_HELP_STRING(--enable-digest,
     Select the digets algorithm to use (default "sha1"). Must be one of
     "sha1", "ripemd160", "md5" or "md4" (insecure).)],
  if test "x$enableval" = xsha1     ; then DIGEST=sha1     ; fi
  if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi
  if test "x$enableval" = xmd5      ; then DIGEST=md5      ; fi
  if test "x$enableval" = xmd4      ; then DIGEST=md4      ; fi
)
AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.])

if $CXX -v --help 2>&1 | grep -q fno-rtti; then
   CXXFLAGS="$CXXFLAGS -fno-rtti"
fi

if $CXX -v --help 2>&1 | grep -q fexceptions; then
   CXXFLAGS="$CXXFLAGS -fno-exceptions"
fi

dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then
dnl    CXXFLAGS="$CXXFLAGS -ffunction-sections"
dnl fi
dnl 
dnl if $LD -v --help 2>&1 | grep -q gc-sections; then
dnl    LDFLAGS="$LDFLAGS -Wl,--gc-sections"
dnl fi

AC_CONFIG_COMMANDS_POST([

echo
echo "***"
echo "*** Configuration Summary"
echo "***"
echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE"
echo "*** Cipher used:  $CIPHER"
echo "*** Digest used:  $DIGEST"
echo "*** HMAC length:  $HMAC"
echo "*** RAND used:    $RAND"
echo "*** Max. MTU:     $MTU"
echo "*** Compression:  $COMPRESS"

if test "x$DIGEST" = xmd4; then
echo "***"
echo "*** WARNING: The digest you have chosen ($DIGEST) is known to be insecure"
fi

if test "$HMAC" -lt 12; then
echo "***"
echo "*** WARNING: The hmac length you have chosen ($HMAC) is probably insecure"
fi

if test "$RAND" -lt 8; then
echo "***"
echo "*** WARNING: The random prefix you have chosen ($RAND) is probably insecure"
fi

echo "***"

echo

])

AC_SUBST(INCLUDES)

AC_CONFIG_FILES([Makefile po/Makefile.in
src/Makefile
src/rohc/Makefile
doc/Makefile
lib/Makefile
m4/Makefile
])
AC_OUTPUT
Revision:	1.29
Committed:	Sun May 30 17:36:00 2004 UTC (19 years, 11 months ago) by pcg
Branch:	MAIN
Changes since 1.28:	+1 -1 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	pcg	1.1	dnl Process this file with autoconf to produce a configure script.
2
3	pcg	1.28	AC_PREREQ(2.59)
4			AC_INIT
5			AC_CONFIG_SRCDIR([src/vped.C])
6	pcg	1.1	AC_CANONICAL_TARGET
7	pcg	1.29	AM_INIT_AUTOMAKE(vpe, 1.7)
8	pcg	1.28	AC_CONFIG_HEADERS([config.h])
9	pcg	1.1	AM_MAINTAINER_MODE
10
11			AH_TOP([
12			#ifndef CONFIG_H__
13			#define CONFIG_H__
14
15			#ifdef __cplusplus
16			using namespace std;
17			#endif
18
19			])
20
21			AH_BOTTOM([
22			#if __CYGWIN__
23
24			typedef unsigned char u8;
25			typedef unsigned short u16;
26			typedef unsigned int u32;
27
28			#else
29			#include <inttypes.h>
30
31			/* old modula-2 habits */
32			typedef unsigned char u8;
33			typedef uint16_t u16;
34			typedef uint32_t u32;
35			#endif
36
37			#endif
38			])
39
40			dnl Include the macros from the m4/ directory
41			AM_ACLOCAL_INCLUDE(m4)
42
43			AM_GNU_GETTEXT([external])
44			AM_GNU_GETTEXT_VERSION(0.11.5)
45
46			# Enable GNU extensions.
47			# Define this here, not in acconfig's @TOP@ section, since definitions
48			# in the latter don't make it into the configure-time tests.
49			AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extenstions])
50	pcg	1.22
51			# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs
52			dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions])
53			dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions])
54	pcg	1.1
55			ALL_LINGUAS=""
56
57			dnl Checks for programs.
58			AC_PROG_CC
59			AC_PROG_CPP
60			AC_PROG_CXX
61			AC_PROG_GCC_TRADITIONAL
62			AC_PROG_AWK
63			AC_PROG_INSTALL
64			AC_PROG_LN_S
65			AC_PROG_MAKE_SET
66			AC_PROG_RANLIB
67
68	pcg	1.8	AC_ARG_ENABLE(iftype,
69	pcg	1.28	[AS_HELP_STRING(--enable-iftype=TYPE/SUBTYPE,
70	pcg	1.8	Use kernel/net device interface TYPE/SUBTYPE.
71			Working combinations are:
72	pcg	1.14	"native/linux"
73			"tincd/linux"
74	pcg	1.16	"tincd/freebsd"
75	pcg	1.17	"tincd/openbsd"
76	pcg	1.18	"tincd/darwin"
77	pcg	1.16	"native/cygwin";
78	pcg	1.8	Untested combinations are:
79	pcg	1.14	"tincd/netbsd"
80			"tincd/solaris"
81	pcg	1.17	"tincd/mingw";
82	pcg	1.8	Broken combinations are:
83	pcg	1.14	"tincd/cygwin";
84	pcg	1.9	The default is to autodetect.
85	pcg	1.28	)],
86	pcg	1.8	[
87			IFTYPE=`echo $enableval \| sed s%/.*%%`
88			IFSUBTYPE=`echo $enableval \| sed s%.*/%%`
89			]
90			)
91
92	pcg	1.1	dnl Check and set OS
93	pcg	1.8	AC_MSG_CHECKING(for kernel networking interface type)
94	pcg	1.1
95	pcg	1.8	if test "x$IFTYPE" = "x"; then
96			case $target_os in
97			linux)
98			IFTYPE=native
99			IFSUBTYPE=linux
100			AC_DEFINE(HAVE_LINUX, 1, [Linux])
101			;;
102			freebsd)
103			IFTYPE=tincd
104			IFSUBTYPE=freebsd
105			AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
106			;;
107			darwin)
108			IFTYPE=tincd
109			IFSUBTYPE=darwin
110			AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
111			;;
112			solaris)
113			IFTYPE=tincd
114			IFSUBTYPE=solaris
115			AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS])
116			;;
117			openbsd)
118			IFTYPE=tincd
119			IFSUBTYPE=openbsd
120			AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD])
121			;;
122			netbsd)
123			IFTYPE=tincd
124			IFSUBTYPE=netbsd
125			AC_DEFINE(HAVE_NETBSD, 1, [NetBSD])
126			;;
127			cygwin)
128	pcg	1.15	IFTYPE=native
129	pcg	1.8	IFSUBTYPE=cygwin
130			AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
131			;;
132			*)
133			AC_MSG_ERROR("Unknown operating system.")
134			;;
135			esac
136			fi
137			AC_MSG_RESULT($IFTYPE/$IFSUBTYPE)
138			AC_SUBST(IFTYPE,$IFTYPE)
139			AC_SUBST(IFSUBTYPE,$IFSUBTYPE)
140	pcg	1.19	AC_DEFINE_UNQUOTED(IFTYPE,"$IFTYPE",[kernel interface type])
141			AC_DEFINE_UNQUOTED(IFSUBTYPE,"$IFSUBTYPE",[kernel interface subtype])
142	pcg	1.1
143			AC_CACHE_SAVE
144
145			dnl Checks for libraries.
146
147			AC_LANG(C++)
148			AC_CHECK_HEADERS(ext/hash_map)
149
150			dnl Checks for header files.
151			AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \
152	pcg	1.22	sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h sys/cygwin.h \
153	pcg	1.21	sys/mman.h netinet/in.h])
154	pcg	1.22	AC_CHECK_HEADERS([arpa/inet.h net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h netinet/in_systm.h], [], [],
155	pcg	1.8	[
156			#include <sys/types.h>
157			#include <sys/socket.h>
158			#ifdef HAVE_NETINET_IN_H
159			# include <netinet/in.h>
160			#endif
161			#ifdef HAVE_ARPA_INET_H
162			# include <arpa/inet.h>
163			#endif
164			#ifdef HAVE_NETINET_IN_SYSTM_H
165			# include <netinet/in_systm.h>
166			#endif
167			])
168	pcg	1.1
169			dnl Checks for typedefs, structures, and compiler characteristics.
170			AC_C_CONST
171			AC_TYPE_PID_T
172			AC_TYPE_SIZE_T
173			AC_HEADER_TIME
174			AC_STRUCT_TM
175	pcg	1.10
176	pcg	1.1	AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
177			[
178	pcg	1.28	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
179			#include <sys/socket.h>]], [[socklen_t len = 42; return len;]])],[ac_cv_type_socklen_t=yes],[ac_cv_type_socklen_t=no])
180	pcg	1.1	])
181			if test $ac_cv_type_socklen_t = yes; then
182			AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available])
183			fi
184
185			AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo,
186			[
187	pcg	1.28	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
188	pcg	1.1	#include <sys/socket.h>
189	pcg	1.28	#include <netdb.h>]], [[struct addrinfo ai; ai.ai_family = AF_INET; return ai.ai_family;]])],[ac_cv_struct_addrinfo=yes],[ac_cv_struct_addrinfo=no])
190	pcg	1.1	])
191			if test $ac_cv_struct_addrinfo = yes; then
192			AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available])
193			fi
194
195			dnl Checks for library functions.
196			AC_TYPE_SIGNAL
197
198			AC_LANG_PUSH(C)
199
200			AC_HEADER_STDC
201
202	pcg	1.11	dnl argl, could somebody catapult darwin into the 21st century???
203	pcg	1.21	AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall)
204	pcg	1.1
205			AC_FUNC_ALLOCA
206
207			dnl Support for SunOS
208
209			AC_CHECK_FUNC(socket, [], [
210			AC_CHECK_LIB(socket, connect)
211			])
212			AC_CHECK_FUNC(gethostbyname, [], [
213			AC_CHECK_LIB(nsl, gethostbyname)
214			])
215
216			AC_LANG_POP
217
218			dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo])
219
220			AC_CACHE_SAVE
221
222			dnl These are defined in files in m4/
223			tinc_TUNTAP
224	pcg	1.15
225	pcg	1.1	tinc_OPENSSL
226	pcg	1.15	if test "x$openssl_include" != x; then
227			CXXFLAGS="$CXXFLAGS -I$openssl_include"
228			fi
229	pcg	1.1	dnl tinc_ZLIB
230
231	pcg	1.5	AC_ARG_ENABLE(rohc,
232	pcg	1.28	[AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)],
233	pcg	1.5	[
234			echo
235			echo "**********************************************************************"
236			echo "**********************************************************************"
237	pcg	1.25	echo "** --enable-rohc is highly experimental, do not use **************"
238	pcg	1.5	echo "**********************************************************************"
239			echo "**********************************************************************"
240			echo
241	pcg	1.25	rohc=true
242			AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support])
243	pcg	1.5	]
244			)
245
246	pcg	1.25	AM_CONDITIONAL(ROHC, test x$rohc = xtrue)
247
248	pcg	1.4	AC_ARG_ENABLE(icmp,
249	pcg	1.28	[AS_HELP_STRING(--enable-icmp,enable icmp protocol support (default disabled).)],
250	pcg	1.4	AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.])
251			)
252
253	pcg	1.2	AC_ARG_ENABLE(tcp,
254	pcg	1.28	[AS_HELP_STRING(--enable-tcp,enable tcp protocol support (default disabled).)],
255	pcg	1.2	AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.])
256			)
257
258	pcg	1.26	AC_ARG_ENABLE(dns,
259	pcg	1.28	[AS_HELP_STRING(--enable-dns,enable dns tunnel protocol support (DOES NOT WORK).)],
260	pcg	1.26	AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.])
261			)
262
263	pcg	1.3	AC_ARG_ENABLE(http-proxy,
264	pcg	1.28	[AS_HELP_STRING(--enable-http-proxy,enable http proxy connect support (default disabled).)],
265	pcg	1.3	AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.])
266			)
267
268	pcg	1.28	HMAC=12 dnl see also the AS_HELP_STRING()
269	pcg	1.1	AC_ARG_ENABLE(hmac-length,
270	pcg	1.28	[AS_HELP_STRING(--enable-hmac-length=BYTES,use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.)],
271	pcg	1.1	HMAC=$enableval
272			)
273			AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.])
274
275	pcg	1.28	RAND=8 dnl see also the AS_HELP_STRING()
276	pcg	1.1	AC_ARG_ENABLE(rand-length,
277	pcg	1.28	[AS_HELP_STRING(--enable-rand-length=BYTES,use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.)],
278	pcg	1.1	RAND=$enableval
279			)
280			AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.])
281
282	pcg	1.28	MTU=1500 dnl see also the AS_HELP_STRING()
283	pcg	1.1	AC_ARG_ENABLE(mtu,
284	pcg	1.28	[AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)],
285	pcg	1.1	MTU=$enableval
286			)
287			AC_DEFINE_UNQUOTED(MAX_MTU, $MTU + 14, [Maximum MTU supported.])
288
289			COMPRESS=1
290			AC_ARG_ENABLE(compression,
291	pcg	1.28	[AS_HELP_STRING(--disable-compression,Disable compression support.)],
292	pcg	1.1	if test "x$enableval" = xno; then
293			COMPRESS=0
294			fi
295			)
296			AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.])
297
298			CIPHER=bf_cbc
299			AC_ARG_ENABLE(cipher,
300	pcg	1.28	[AS_HELP_STRING(--enable-cipher,
301	pcg	1.1	Select the symmetric cipher (default "bf"). Must be one of
302	pcg	1.28	"bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".)],
303	pcg	1.1	if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi
304			if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi
305			if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi
306			if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi
307			)
308			AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.])
309
310			DIGEST=sha1
311			AC_ARG_ENABLE(digest,
312	pcg	1.28	[AS_HELP_STRING(--enable-digest,
313	pcg	1.1	Select the digets algorithm to use (default "sha1"). Must be one of
314	pcg	1.28	"sha1", "ripemd160", "md5" or "md4" (insecure).)],
315	pcg	1.1	if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi
316			if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi
317	pcg	1.9	if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi
318	pcg	1.1	if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi
319			)
320			AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.])
321
322			if $CXX -v --help 2>&1 \| grep -q fno-rtti; then
323			CXXFLAGS="$CXXFLAGS -fno-rtti"
324			fi
325
326			if $CXX -v --help 2>&1 \| grep -q fexceptions; then
327			CXXFLAGS="$CXXFLAGS -fno-exceptions"
328			fi
329
330	pcg	1.20	dnl if $CXX -v --help 2>&1 \| grep -q ffunction-sections; then
331			dnl CXXFLAGS="$CXXFLAGS -ffunction-sections"
332			dnl fi
333			dnl
334			dnl if $LD -v --help 2>&1 \| grep -q gc-sections; then
335			dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections"
336			dnl fi
337	pcg	1.1
338			AC_CONFIG_COMMANDS_POST([
339
340			echo
341			echo "***"
342			echo "*** Configuration Summary"
343			echo "***"
344	pcg	1.8	echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE"
345	pcg	1.1	echo "*** Cipher used: $CIPHER"
346			echo "*** Digest used: $DIGEST"
347			echo "*** HMAC length: $HMAC"
348			echo "*** RAND used: $RAND"
349			echo "*** Max. MTU: $MTU"
350			echo "*** Compression: $COMPRESS"
351	pcg	1.24
352			if test "x$DIGEST" = xmd4; then
353	pcg	1.1	echo "***"
354	pcg	1.24	echo "*** WARNING: The digest you have chosen ($DIGEST) is known to be insecure"
355			fi
356	pcg	1.8
357	pcg	1.24	if test "$HMAC" -lt 12; then
358			echo "***"
359	pcg	1.26	echo "*** WARNING: The hmac length you have chosen ($HMAC) is probably insecure"
360	pcg	1.24	fi
361
362			if test "$RAND" -lt 8; then
363	pcg	1.8	echo "***"
364	pcg	1.26	echo "*** WARNING: The random prefix you have chosen ($RAND) is probably insecure"
365	pcg	1.8	fi
366	pcg	1.24
367			echo "***"
368	pcg	1.8
369	pcg	1.1	echo
370
371			])
372
373			AC_SUBST(INCLUDES)
374
375	pcg	1.28	AC_CONFIG_FILES([Makefile po/Makefile.in
376	pcg	1.1	src/Makefile
377	pcg	1.25	src/rohc/Makefile
378	pcg	1.1	doc/Makefile
379			lib/Makefile
380			m4/Makefile
381	pcg	1.28	])
382			AC_OUTPUT