gvpe/configure.ac

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

AC_PREREQ(2.57)
AC_INIT(src/vped.C)
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE(vpe, 1.5)
AM_CONFIG_HEADER(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,
  [AC_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_TRY_COMPILE(
  [#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_TRY_COMPILE(
  [#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,
  [AC_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,
  [AC_HELP_STRING(--enable-icmp, [enable icmp protocol support (default disabled).])],
  AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.])
)

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

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

HMAC=8    dnl see also the AC_HELP_STRING
AC_ARG_ENABLE(hmac-length,
  [AC_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 AC_HELP_STRING
AC_ARG_ENABLE(rand-length,
  [AC_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 AC_HELP_STRING
AC_ARG_ENABLE(mtu,
  [AC_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,
  [AC_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,
  [AC_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,
  [AC_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) might be insecure"
fi

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

echo "***"

echo

])

AC_SUBST(INCLUDES)

AC_OUTPUT(Makefile po/Makefile.in
src/Makefile
src/rohc/Makefile
doc/Makefile
lib/Makefile
m4/Makefile
)
Revision:	1.25
Committed:	Sun Feb 8 07:24:25 2004 UTC (20 years, 3 months ago) by pcg
Branch:	MAIN
Changes since 1.24:	+6 -8 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			AC_PREREQ(2.57)
4			AC_INIT(src/vped.C)
5			AC_CANONICAL_TARGET
6	pcg	1.23	AM_INIT_AUTOMAKE(vpe, 1.5)
7	pcg	1.1	AM_CONFIG_HEADER(config.h)
8			AM_MAINTAINER_MODE
9
10			AH_TOP([
11			#ifndef CONFIG_H__
12			#define CONFIG_H__
13
14			#ifdef __cplusplus
15			using namespace std;
16			#endif
17
18			])
19
20			AH_BOTTOM([
21			#if __CYGWIN__
22
23			typedef unsigned char u8;
24			typedef unsigned short u16;
25			typedef unsigned int u32;
26
27			#else
28			#include <inttypes.h>
29
30			/* old modula-2 habits */
31			typedef unsigned char u8;
32			typedef uint16_t u16;
33			typedef uint32_t u32;
34			#endif
35
36			#endif
37			])
38
39			dnl Include the macros from the m4/ directory
40			AM_ACLOCAL_INCLUDE(m4)
41
42			AM_GNU_GETTEXT([external])
43			AM_GNU_GETTEXT_VERSION(0.11.5)
44
45			# Enable GNU extensions.
46			# Define this here, not in acconfig's @TOP@ section, since definitions
47			# in the latter don't make it into the configure-time tests.
48			AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extenstions])
49	pcg	1.22
50			# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs
51			dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions])
52			dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions])
53	pcg	1.1
54			ALL_LINGUAS=""
55
56			dnl Checks for programs.
57			AC_PROG_CC
58			AC_PROG_CPP
59			AC_PROG_CXX
60			AC_PROG_GCC_TRADITIONAL
61			AC_PROG_AWK
62			AC_PROG_INSTALL
63			AC_PROG_LN_S
64			AC_PROG_MAKE_SET
65			AC_PROG_RANLIB
66
67	pcg	1.8	AC_ARG_ENABLE(iftype,
68			[AC_HELP_STRING(--enable-iftype[=TYPE/SUBTYPE], [
69			Use kernel/net device interface TYPE/SUBTYPE.
70			Working combinations are:
71	pcg	1.14	"native/linux"
72			"tincd/linux"
73	pcg	1.16	"tincd/freebsd"
74	pcg	1.17	"tincd/openbsd"
75	pcg	1.18	"tincd/darwin"
76	pcg	1.16	"native/cygwin";
77	pcg	1.8	Untested combinations are:
78	pcg	1.14	"tincd/netbsd"
79			"tincd/solaris"
80	pcg	1.17	"tincd/mingw";
81	pcg	1.8	Broken combinations are:
82	pcg	1.14	"tincd/cygwin";
83	pcg	1.9	The default is to autodetect.
84	pcg	1.8	])],
85			[
86			IFTYPE=`echo $enableval \| sed s%/.*%%`
87			IFSUBTYPE=`echo $enableval \| sed s%.*/%%`
88			]
89			)
90
91	pcg	1.1	dnl Check and set OS
92	pcg	1.8	AC_MSG_CHECKING(for kernel networking interface type)
93	pcg	1.1
94	pcg	1.8	if test "x$IFTYPE" = "x"; then
95			case $target_os in
96			linux)
97			IFTYPE=native
98			IFSUBTYPE=linux
99			AC_DEFINE(HAVE_LINUX, 1, [Linux])
100			;;
101			freebsd)
102			IFTYPE=tincd
103			IFSUBTYPE=freebsd
104			AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
105			;;
106			darwin)
107			IFTYPE=tincd
108			IFSUBTYPE=darwin
109			AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
110			;;
111			solaris)
112			IFTYPE=tincd
113			IFSUBTYPE=solaris
114			AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS])
115			;;
116			openbsd)
117			IFTYPE=tincd
118			IFSUBTYPE=openbsd
119			AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD])
120			;;
121			netbsd)
122			IFTYPE=tincd
123			IFSUBTYPE=netbsd
124			AC_DEFINE(HAVE_NETBSD, 1, [NetBSD])
125			;;
126			cygwin)
127	pcg	1.15	IFTYPE=native
128	pcg	1.8	IFSUBTYPE=cygwin
129			AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
130			;;
131			*)
132			AC_MSG_ERROR("Unknown operating system.")
133			;;
134			esac
135			fi
136			AC_MSG_RESULT($IFTYPE/$IFSUBTYPE)
137			AC_SUBST(IFTYPE,$IFTYPE)
138			AC_SUBST(IFSUBTYPE,$IFSUBTYPE)
139	pcg	1.19	AC_DEFINE_UNQUOTED(IFTYPE,"$IFTYPE",[kernel interface type])
140			AC_DEFINE_UNQUOTED(IFSUBTYPE,"$IFSUBTYPE",[kernel interface subtype])
141	pcg	1.1
142			AC_CACHE_SAVE
143
144			dnl Checks for libraries.
145
146			AC_LANG(C++)
147			AC_CHECK_HEADERS(ext/hash_map)
148
149			dnl Checks for header files.
150			AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \
151	pcg	1.22	sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h sys/cygwin.h \
152	pcg	1.21	sys/mman.h netinet/in.h])
153	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], [], [],
154	pcg	1.8	[
155			#include <sys/types.h>
156			#include <sys/socket.h>
157			#ifdef HAVE_NETINET_IN_H
158			# include <netinet/in.h>
159			#endif
160			#ifdef HAVE_ARPA_INET_H
161			# include <arpa/inet.h>
162			#endif
163			#ifdef HAVE_NETINET_IN_SYSTM_H
164			# include <netinet/in_systm.h>
165			#endif
166			])
167	pcg	1.1
168			dnl Checks for typedefs, structures, and compiler characteristics.
169			AC_C_CONST
170			AC_TYPE_PID_T
171			AC_TYPE_SIZE_T
172			AC_HEADER_TIME
173			AC_STRUCT_TM
174	pcg	1.10
175	pcg	1.1	AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
176			[
177			AC_TRY_COMPILE(
178			[#include <sys/types.h>
179			#include <sys/socket.h>],
180			[socklen_t len = 42; return len;],
181			ac_cv_type_socklen_t=yes,
182			ac_cv_type_socklen_t=no)
183			])
184			if test $ac_cv_type_socklen_t = yes; then
185			AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available])
186			fi
187
188			AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo,
189			[
190			AC_TRY_COMPILE(
191			[#include <sys/types.h>
192			#include <sys/socket.h>
193			#include <netdb.h>],
194			[struct addrinfo ai; ai.ai_family = AF_INET; return ai.ai_family;],
195			ac_cv_struct_addrinfo=yes,
196			ac_cv_struct_addrinfo=no)
197			])
198			if test $ac_cv_struct_addrinfo = yes; then
199			AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available])
200			fi
201
202			dnl Checks for library functions.
203			AC_TYPE_SIGNAL
204
205			AC_LANG_PUSH(C)
206
207			AC_HEADER_STDC
208
209	pcg	1.11	dnl argl, could somebody catapult darwin into the 21st century???
210	pcg	1.21	AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall)
211	pcg	1.1
212			AC_FUNC_ALLOCA
213
214			dnl Support for SunOS
215
216			AC_CHECK_FUNC(socket, [], [
217			AC_CHECK_LIB(socket, connect)
218			])
219			AC_CHECK_FUNC(gethostbyname, [], [
220			AC_CHECK_LIB(nsl, gethostbyname)
221			])
222
223			AC_LANG_POP
224
225			dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo])
226
227			AC_CACHE_SAVE
228
229			dnl These are defined in files in m4/
230			tinc_TUNTAP
231	pcg	1.15
232	pcg	1.1	tinc_OPENSSL
233	pcg	1.15	if test "x$openssl_include" != x; then
234			CXXFLAGS="$CXXFLAGS -I$openssl_include"
235			fi
236	pcg	1.1	dnl tinc_ZLIB
237
238	pcg	1.5	AC_ARG_ENABLE(rohc,
239			[AC_HELP_STRING(--enable-rohc, [enable robust header compression (rfc3095).])],
240			[
241			echo
242			echo "**********************************************************************"
243			echo "**********************************************************************"
244	pcg	1.25	echo "** --enable-rohc is highly experimental, do not use **************"
245	pcg	1.5	echo "**********************************************************************"
246			echo "**********************************************************************"
247			echo
248	pcg	1.25	rohc=true
249			AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support])
250	pcg	1.5	]
251			)
252
253	pcg	1.25	AM_CONDITIONAL(ROHC, test x$rohc = xtrue)
254
255	pcg	1.4	AC_ARG_ENABLE(icmp,
256	pcg	1.9	[AC_HELP_STRING(--enable-icmp, [enable icmp protocol support (default disabled).])],
257	pcg	1.4	AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.])
258			)
259
260	pcg	1.2	AC_ARG_ENABLE(tcp,
261	pcg	1.9	[AC_HELP_STRING(--enable-tcp, [enable tcp protocol support (default disabled).])],
262	pcg	1.2	AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.])
263			)
264
265	pcg	1.3	AC_ARG_ENABLE(http-proxy,
266	pcg	1.9	[AC_HELP_STRING(--enable-http-proxy, [enable http proxy connect support (default disabled).])],
267	pcg	1.3	AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.])
268			)
269
270	pcg	1.18	HMAC=8 dnl see also the AC_HELP_STRING
271	pcg	1.1	AC_ARG_ENABLE(hmac-length,
272	pcg	1.9	[AC_HELP_STRING(--enable-hmac-length=BYTES, [use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])],
273	pcg	1.1	HMAC=$enableval
274			)
275			AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.])
276
277			RAND=8 dnl see also the AC_HELP_STRING
278			AC_ARG_ENABLE(rand-length,
279			[AC_HELP_STRING(--enable-rand-length=BYTES, [use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])],
280			RAND=$enableval
281			)
282			AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.])
283
284			MTU=1500 dnl see also the AC_HELP_STRING
285			AC_ARG_ENABLE(mtu,
286			[AC_HELP_STRING(--enable-max-mtu=BYTES, enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)],
287			MTU=$enableval
288			)
289			AC_DEFINE_UNQUOTED(MAX_MTU, $MTU + 14, [Maximum MTU supported.])
290
291			COMPRESS=1
292			AC_ARG_ENABLE(compression,
293			[AC_HELP_STRING(--disable-compression, Disable compression support.)],
294			if test "x$enableval" = xno; then
295			COMPRESS=0
296			fi
297			)
298			AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.])
299
300			CIPHER=bf_cbc
301			AC_ARG_ENABLE(cipher,
302			[AC_HELP_STRING(--enable-cipher, [
303			Select the symmetric cipher (default "bf"). Must be one of
304	pcg	1.9	"bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".])],
305	pcg	1.1	if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi
306			if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi
307			if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi
308			if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi
309			)
310			AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.])
311
312			DIGEST=sha1
313			AC_ARG_ENABLE(digest,
314			[AC_HELP_STRING(--enable-digest, [
315			Select the digets algorithm to use (default "sha1"). Must be one of
316	pcg	1.9	"sha1", "ripemd160", "md5" or "md4" (insecure).])],
317	pcg	1.1	if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi
318			if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi
319	pcg	1.9	if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi
320	pcg	1.1	if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi
321			)
322			AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.])
323
324			if $CXX -v --help 2>&1 \| grep -q fno-rtti; then
325			CXXFLAGS="$CXXFLAGS -fno-rtti"
326			fi
327
328			if $CXX -v --help 2>&1 \| grep -q fexceptions; then
329			CXXFLAGS="$CXXFLAGS -fno-exceptions"
330			fi
331
332	pcg	1.20	dnl if $CXX -v --help 2>&1 \| grep -q ffunction-sections; then
333			dnl CXXFLAGS="$CXXFLAGS -ffunction-sections"
334			dnl fi
335			dnl
336			dnl if $LD -v --help 2>&1 \| grep -q gc-sections; then
337			dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections"
338			dnl fi
339	pcg	1.1
340			AC_CONFIG_COMMANDS_POST([
341
342			echo
343			echo "***"
344			echo "*** Configuration Summary"
345			echo "***"
346	pcg	1.8	echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE"
347	pcg	1.1	echo "*** Cipher used: $CIPHER"
348			echo "*** Digest used: $DIGEST"
349			echo "*** HMAC length: $HMAC"
350			echo "*** RAND used: $RAND"
351			echo "*** Max. MTU: $MTU"
352			echo "*** Compression: $COMPRESS"
353	pcg	1.24
354			if test "x$DIGEST" = xmd4; then
355	pcg	1.1	echo "***"
356	pcg	1.24	echo "*** WARNING: The digest you have chosen ($DIGEST) is known to be insecure"
357			fi
358	pcg	1.8
359	pcg	1.24	if test "$HMAC" -lt 12; then
360			echo "***"
361			echo "*** WARNING: The hmac length you have chosen ($HMAC) might be insecure"
362			fi
363
364			if test "$RAND" -lt 8; then
365	pcg	1.8	echo "***"
366	pcg	1.24	echo "*** WARNING: The random prefix you have chosen ($RAND) might be insecure"
367	pcg	1.8	fi
368	pcg	1.24
369			echo "***"
370	pcg	1.8
371	pcg	1.1	echo
372
373			])
374
375			AC_SUBST(INCLUDES)
376
377			AC_OUTPUT(Makefile po/Makefile.in
378			src/Makefile
379	pcg	1.25	src/rohc/Makefile
380	pcg	1.1	doc/Makefile
381			lib/Makefile
382			m4/Makefile
383			)