Add checks for the presence of the universal tun/tap device driver.

[tinc] / configure.in

diff --git a/configure.in b/configure.in
index 29b711e..bc01f17 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 
-dnl $Id: configure.in,v 1.13.2.2 2000/07/02 12:41:03 zarq Exp $
+dnl $Id: configure.in,v 1.13.2.9 2000/10/15 17:26:31 zarq Exp $
 
 AC_INIT(src/tincd.c)
 AM_INIT_AUTOMAKE(tinc, 1.0pre3)
@@ -33,8 +33,7 @@ dnl Checks for libraries.
 
 dnl Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS(fcntl.h limits.h sys/ioctl.h syslog.h unistd.h gmp.h gmp2/gmp.h \
-sys/time.h)
+AC_CHECK_HEADERS(fcntl.h limits.h sys/ioctl.h syslog.h unistd.h sys/time.h linux/if_tun.h)
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
@@ -53,32 +52,38 @@ jm_FUNC_REALLOC
 
 AM_GNU_GETTEXT
 
-# Check for the GNU Multi Precision Library
-libgmp=none
-AC_CHECK_LIB(gmp, mpz_powm, [
-  libgmp=gmp
-])
-AC_CHECK_LIB(gmp2, mpz_powm, [
-  libgmp=gmp2
-])
-AC_CHECK_LIB(gmp3, __gmpz_powm, [
-  libgmp=gmp3
+AC_CHECK_LIB(dl, dlopen, [
+  LIBS="$LIBS -ldl"
 ])
-AC_CHECK_LIB(gmp, __gmpz_powm, [
-  libgmp=gmp
+
+
+dnl Crypto stuff
+
+libcrypto=none
+AC_CHECK_LIB(crypto, SHA1_version, [
+  libcrypto=yes
 ])
 
-if test $libgmp = none; then
-  AC_MSG_ERROR(libgmp is not installed. Please grab it from your
-  nearest GNU mirror and install it (see README))
+if test $libcrypto = none; then
+  AC_MSG_ERROR(It seems like OpenSSL is not installed on this system.)
 else
-  LIBS="$LIBS -l$libgmp"
+  LIBS="$LIBS -lcrypto"
 fi
 
-AC_CHECK_LIB(dl, dlopen, [
-  LIBS="$LIBS -ldl"
+
+dnl Support for SunOS
+
+AC_CHECK_FUNC(socket, [], [
+  AC_CHECK_LIB(socket, connect)
 ])
+AC_CHECK_FUNC(gethostbyname, [], [
+  AC_CHECK_LIB(nsl, gethostbyname)
+])
+
+
+dnl Check for TUN/TAP support in the kernel
+tinc_TUNTAP
 
-AC_OUTPUT([Makefile src/Makefile cipher/Makefile
-cipher/blowfish/Makefile doc/Makefile intl/Makefile lib/Makefile
+AC_OUTPUT([Makefile src/Makefile
+doc/Makefile intl/Makefile lib/Makefile
 m4/Makefile po/Makefile.in redhat/Makefile debian/Makefile])