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dnl Process this file with autoconf to produce a configure script. |
2 |
|
3 |
AC_PREREQ(2.59) |
4 |
AC_INIT |
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AC_CONFIG_SRCDIR([src/gvpe.C]) |
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AC_CANONICAL_TARGET |
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AM_INIT_AUTOMAKE(gvpe, 1.9) |
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AC_CONFIG_HEADERS([config.h]) |
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AM_MAINTAINER_MODE |
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|
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AH_TOP([ |
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#ifndef CONFIG_H__ |
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#define CONFIG_H__ |
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|
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#ifdef __cplusplus |
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using namespace std; |
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#endif |
18 |
|
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]) |
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|
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AH_BOTTOM([ |
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typedef unsigned char u8; |
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typedef signed char s8; |
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|
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#if __CYGWIN__ |
26 |
|
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typedef unsigned short u16; |
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typedef unsigned int u32; |
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typedef signed short s16; |
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typedef signed int s32; |
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|
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#else |
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#include <inttypes.h> |
34 |
|
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/* old modula-2 habits */ |
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typedef uint16_t u16; |
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typedef uint32_t u32; |
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typedef int16_t s16; |
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typedef int32_t s32; |
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#endif |
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|
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#endif |
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|
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#if HAVE_CLOCALE |
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# define CLOCALE <clocale> |
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#else |
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# define CLOCALE <locale.h> |
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#endif |
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]) |
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|
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dnl Include the macros from the m4/ directory |
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AM_ACLOCAL_INCLUDE(m4) |
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|
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AM_GNU_GETTEXT([external]) |
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AM_GNU_GETTEXT_VERSION(0.11.5) |
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|
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# Enable GNU extensions. |
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# Define this here, not in acconfig's @TOP@ section, since definitions |
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# in the latter don't make it into the configure-time tests. |
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AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extenstions]) |
61 |
|
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# do NOT define POSIX_SOURCE, sicne this clashes with many BSDs |
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dnl AC_DEFINE([_POSIX_SOURCE], 1, [Enable POSIX 1003.1 extensions]) |
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dnl AC_DEFINE([_XOPEN_SOURCE], 500, [Enable XOPEN extensions]) |
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|
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ALL_LINGUAS="" |
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|
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dnl Checks for programs. |
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AC_PROG_CC |
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AC_PROG_CPP |
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AC_PROG_CXX |
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AC_PROG_GCC_TRADITIONAL |
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AC_PROG_AWK |
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AC_PROG_INSTALL |
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AC_PROG_LN_S |
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AC_PROG_MAKE_SET |
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AC_PROG_RANLIB |
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|
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AC_ARG_ENABLE(iftype, |
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[AS_HELP_STRING(--enable-iftype=TYPE/SUBTYPE, |
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Use kernel/net device interface TYPE/SUBTYPE. |
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Working combinations are (see doc/gvpe.osdep.5.pod): |
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"native/linux" |
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"tincd/linux" |
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"tincd/netbsd" |
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"tincd/freebsd" |
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"tincd/openbsd" |
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"native/darwin" |
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"tincd/darwin" |
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"native/cygwin"; |
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Untested combinations are: |
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"tincd/solaris" |
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"tincd/mingw" |
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"tincd/raw_socket" |
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"tincd/uml_socket"; |
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Broken combinations are: |
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"tincd/cygwin"; |
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The default is to autodetect. |
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)], |
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[ |
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IFTYPE=`echo $enableval | sed s%/.*%%` |
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IFSUBTYPE=`echo $enableval | sed s%.*/%%` |
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] |
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) |
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|
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dnl Check and set OS |
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AC_MSG_CHECKING(for kernel networking interface type) |
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|
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if test "x$IFTYPE" = "x"; then |
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case $target_os in |
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*linux*) |
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IFTYPE=native |
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IFSUBTYPE=linux |
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AC_DEFINE(HAVE_LINUX, 1, [Linux]) |
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;; |
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*freebsd*) |
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IFTYPE=tincd |
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IFSUBTYPE=freebsd |
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AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD]) |
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;; |
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*darwin*) |
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IFTYPE=native |
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IFSUBTYPE=darwin |
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AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)]) |
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;; |
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*solaris*) |
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IFTYPE=tincd |
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IFSUBTYPE=solaris |
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AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS]) |
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;; |
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*openbsd*) |
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IFTYPE=tincd |
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IFSUBTYPE=openbsd |
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AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD]) |
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;; |
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*netbsd*) |
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IFTYPE=tincd |
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IFSUBTYPE=netbsd |
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AC_DEFINE(HAVE_NETBSD, 1, [NetBSD]) |
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;; |
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*cygwin*) |
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IFTYPE=native |
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IFSUBTYPE=cygwin |
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AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin]) |
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;; |
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*) |
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AC_MSG_ERROR("Unknown operating system.") |
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;; |
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esac |
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fi |
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AC_MSG_RESULT($IFTYPE/$IFSUBTYPE) |
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AC_SUBST(IFTYPE,$IFTYPE) |
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AC_SUBST(IFSUBTYPE,$IFSUBTYPE) |
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AC_DEFINE_UNQUOTED(IFTYPE,"$IFTYPE",[kernel interface type]) |
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AC_DEFINE_UNQUOTED(IFSUBTYPE,"$IFSUBTYPE",[kernel interface subtype]) |
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|
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AC_CACHE_SAVE |
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|
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dnl Checks for libraries. |
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|
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AC_LANG(C++) |
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AC_CHECK_HEADERS(ext/hash_map clocale) |
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|
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dnl Checks for header files. |
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AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \ |
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sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h sys/cygwin.h \ |
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sys/mman.h netinet/in.h]) |
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AC_CHECK_HEADERS([arpa/inet.h net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h netinet/in_systm.h], [], [], |
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[ |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#ifdef HAVE_NETINET_IN_H |
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# include <netinet/in.h> |
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#endif |
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#ifdef HAVE_ARPA_INET_H |
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# include <arpa/inet.h> |
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#endif |
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#ifdef HAVE_NETINET_IN_SYSTM_H |
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# include <netinet/in_systm.h> |
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#endif |
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]) |
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|
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dnl Checks for typedefs, structures, and compiler characteristics. |
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AC_C_CONST |
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AC_TYPE_PID_T |
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AC_TYPE_SIZE_T |
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AC_HEADER_TIME |
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AC_STRUCT_TM |
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|
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AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t, |
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[ |
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> |
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#include <sys/socket.h>]], [[socklen_t len = 42; return len;]])],[ac_cv_type_socklen_t=yes],[ac_cv_type_socklen_t=no]) |
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]) |
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if test $ac_cv_type_socklen_t = yes; then |
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AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available]) |
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fi |
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|
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AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo, |
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[ |
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> |
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#include <sys/socket.h> |
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#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]) |
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]) |
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if test $ac_cv_struct_addrinfo = yes; then |
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AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available]) |
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fi |
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|
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dnl Checks for library functions. |
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AC_TYPE_SIGNAL |
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|
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AC_LANG_PUSH(C) |
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|
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AC_HEADER_STDC |
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|
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dnl argl, could somebody catapult darwin into the 21st century??? |
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AC_CHECK_FUNCS(asprintf daemon get_current_dir_name putenv select strerror strsignal strtol unsetenv mlockall) |
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|
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AC_FUNC_ALLOCA |
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|
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dnl Support for SunOS |
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|
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AC_CHECK_FUNC(socket, [], [ |
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AC_CHECK_LIB(socket, connect) |
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]) |
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AC_CHECK_FUNC(gethostbyname, [], [ |
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AC_CHECK_LIB(nsl, gethostbyname) |
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]) |
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|
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AC_LANG_POP |
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|
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dnl AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo]) |
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|
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AC_CACHE_SAVE |
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|
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dnl These are defined in files in m4/ |
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tinc_TUNTAP |
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|
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tinc_OPENSSL |
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if test "x$openssl_include" != x; then |
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CXXFLAGS="$CXXFLAGS -I$openssl_include" |
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fi |
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dnl tinc_ZLIB |
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|
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AC_ARG_ENABLE(static-daemon, |
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[AS_HELP_STRING(--enable-static-daemon,enable statically linked daemon.)], |
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[LDFLAGS_DAEMON=-static] |
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) |
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AC_SUBST(LDFLAGS_DAEMON) |
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|
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AC_ARG_ENABLE(rohc, |
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[AS_HELP_STRING(--enable-rohc,enable robust header compression (rfc3095).)], |
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[ |
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echo |
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echo "**********************************************************************" |
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echo "**********************************************************************" |
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echo "**** --enable-rohc is highly experimental, do not use ****************" |
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echo "**********************************************************************" |
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echo "**********************************************************************" |
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echo |
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rohc=true |
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AC_DEFINE_UNQUOTED(ENABLE_ROHC, 1, [ROHC support]) |
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] |
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) |
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|
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AM_CONDITIONAL(ROHC, test x$rohc = xtrue) |
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|
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AC_ARG_ENABLE(icmp, |
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[AS_HELP_STRING(--enable-icmp,enable icmp protocol support (default disabled).)], |
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AC_DEFINE_UNQUOTED(ENABLE_ICMP, 1, [ICMP protocol support.]) |
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) |
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|
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AC_ARG_ENABLE(tcp, |
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[AS_HELP_STRING(--enable-tcp,enable tcp protocol support (default disabled).)], |
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AC_DEFINE_UNQUOTED(ENABLE_TCP, 1, [TCP protocol support.]) |
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) |
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|
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AC_ARG_ENABLE(dns, |
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[AS_HELP_STRING(--enable-dns,enable dns tunnel protocol support (DOES NOT WORK).)], |
280 |
[ |
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AC_CHECK_HEADER(gmp.h,,[AC_MSG_ERROR([gmp.h not found, required for --enable-dns])]) |
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AC_CHECK_LIB(gmp,main,,[AC_MSG_ERROR([libgmp not found, required for --enable-dns])]) |
283 |
|
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AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.]) |
285 |
] |
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) |
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|
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AC_ARG_ENABLE(http-proxy, |
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[AS_HELP_STRING(--enable-http-proxy,enable http proxy connect support (default disabled).)], |
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AC_DEFINE_UNQUOTED(ENABLE_HTTP_PROXY, 1, [http proxy connect support.]) |
291 |
) |
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|
293 |
HMAC=12 |
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AC_ARG_ENABLE(hmac-length, |
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[AS_HELP_STRING(--enable-hmac-length=BYTES,[ |
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use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])], |
297 |
HMAC=$enableval |
298 |
) |
299 |
AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.]) |
300 |
|
301 |
RAND=8 |
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AC_ARG_ENABLE(rand-length, |
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[AS_HELP_STRING(--enable-rand-length=BYTES, |
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[use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])], |
305 |
RAND=$enableval |
306 |
) |
307 |
AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.]) |
308 |
|
309 |
MTU=1500 |
310 |
AC_ARG_ENABLE(mtu, |
311 |
[AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)], |
312 |
MTU=$enableval |
313 |
) |
314 |
AC_DEFINE_UNQUOTED(MAX_MTU, $MTU + 14, [Maximum MTU supported.]) |
315 |
|
316 |
COMPRESS=1 |
317 |
AC_ARG_ENABLE(compression, |
318 |
[AS_HELP_STRING(--disable-compression,Disable compression support.)], |
319 |
if test "x$enableval" = xno; then |
320 |
COMPRESS=0 |
321 |
fi |
322 |
) |
323 |
AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.]) |
324 |
|
325 |
CIPHER=bf_cbc |
326 |
AC_ARG_ENABLE(cipher, |
327 |
[AS_HELP_STRING(--enable-cipher,[ |
328 |
Select the symmetric cipher (default "bf"). |
329 |
Must be one of "bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".])], |
330 |
if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi |
331 |
if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi |
332 |
if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi |
333 |
if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi |
334 |
) |
335 |
AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.]) |
336 |
|
337 |
DIGEST=sha1 |
338 |
AC_ARG_ENABLE(digest, |
339 |
[AS_HELP_STRING(--enable-digest,[ |
340 |
Select the digets algorithm to use (default "sha1"). Must be one of |
341 |
"sha1", "ripemd160", "md5" or "md4" (insecure).])], |
342 |
if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi |
343 |
if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi |
344 |
if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi |
345 |
if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi |
346 |
) |
347 |
AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.]) |
348 |
|
349 |
if $CXX -v --help 2>&1 | grep -q fno-rtti; then |
350 |
CXXFLAGS="$CXXFLAGS -fno-rtti" |
351 |
fi |
352 |
|
353 |
if $CXX -v --help 2>&1 | grep -q fexceptions; then |
354 |
CXXFLAGS="$CXXFLAGS -fno-exceptions" |
355 |
fi |
356 |
|
357 |
dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then |
358 |
dnl CXXFLAGS="$CXXFLAGS -ffunction-sections" |
359 |
dnl fi |
360 |
dnl |
361 |
dnl if $LD -v --help 2>&1 | grep -q gc-sections; then |
362 |
dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections" |
363 |
dnl fi |
364 |
|
365 |
AC_CONFIG_COMMANDS_POST([ |
366 |
|
367 |
echo |
368 |
echo "***" |
369 |
echo "*** Configuration Summary" |
370 |
echo "***" |
371 |
echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE" |
372 |
echo "*** Cipher used: $CIPHER" |
373 |
echo "*** Digest used: $DIGEST" |
374 |
echo "*** HMAC length: $HMAC" |
375 |
echo "*** RAND used: $RAND" |
376 |
echo "*** Max. MTU: $MTU" |
377 |
echo "*** Compression: $COMPRESS" |
378 |
|
379 |
if test "x$DIGEST" = xmd4; then |
380 |
echo "***" |
381 |
echo "*** WARNING: The digest you have chosen ($DIGEST) is known to be insecure" |
382 |
fi |
383 |
|
384 |
if test "$HMAC" -lt 12; then |
385 |
echo "***" |
386 |
echo "*** WARNING: The hmac length you have chosen ($HMAC) is probably insecure" |
387 |
fi |
388 |
|
389 |
if test "$RAND" -lt 8; then |
390 |
echo "***" |
391 |
echo "*** WARNING: The random prefix you have chosen ($RAND) is probably insecure" |
392 |
fi |
393 |
|
394 |
echo "***" |
395 |
|
396 |
echo |
397 |
|
398 |
]) |
399 |
|
400 |
AC_SUBST(INCLUDES) |
401 |
|
402 |
AC_CONFIG_FILES([Makefile po/Makefile.in |
403 |
src/Makefile |
404 |
doc/Makefile |
405 |
lib/Makefile |
406 |
m4/Makefile |
407 |
]) |
408 |
AC_OUTPUT |