X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=configure.in;h=670e855eec10fa4af524f121e01bb72928797334;hb=f8733d1935ed83399c4851a31f4be710eb8c825f;hp=181ff8f28195f6a5cafbf1375782373d36490715;hpb=0322c0883b76257c0893aa75a510e264056ac15b;p=meshlink

diff --git a/configure.in b/configure.in
index 181ff8f2..670e855e 100644
--- a/configure.in
+++ b/configure.in
@@ -2,10 +2,10 @@ dnl Process this file with autoconf to produce a configure script.
 
 dnl $Id$
 
-AC_PREREQ(2.61)
+AC_PREREQ(2.59)
 AC_INIT
 AC_CONFIG_SRCDIR([src/tincd.c])
-AM_INIT_AUTOMAKE(tinc, 1.0-cvs)
+AM_INIT_AUTOMAKE(tinc, 1.1-cvs)
 AC_CONFIG_HEADERS([config.h])
 AM_MAINTAINER_MODE
 
@@ -86,12 +86,15 @@ fi
 
 dnl Checks for libraries.
 
+AC_CHECK_LIB(event, event_init,
+  [], [AC_MSG_ERROR(libevent is required)])
+
 dnl Checks for header files.
 dnl We do this in multiple stages, because unlike Linux all the other operating systems really suck and don't include their own dependencies.
 
 AC_HEADER_STDC
 AC_CHECK_HEADERS([stdbool.h syslog.h sys/file.h sys/ioctl.h sys/mman.h sys/param.h sys/socket.h sys/time.h sys/uio.h sys/wait.h netdb.h arpa/inet.h])
-AC_CHECK_HEADERS([net/if.h net/if_types.h net/if_tun.h net/if_tap.h net/ethernet.h net/if_arp.h netinet/in_systm.h netinet/in.h netinet/in6.h],
+AC_CHECK_HEADERS([net/if.h net/if_types.h linux/if_tun.h net/if_tun.h net/if_tap.h net/ethernet.h net/if_arp.h netinet/in_systm.h netinet/in.h netinet/in6.h],
   [], [], [#include "have.h"]
 )
 AC_CHECK_HEADERS([netinet/if_ether.h netinet/ip.h netinet/ip6.h],
@@ -142,10 +145,20 @@ AC_CACHE_SAVE
 
 dnl These are defined in files in m4/
 
-tinc_OPENSSL
+AC_ARG_WITH(libgcrypt, AC_HELP_STRING([--with-libgcrypt], [enable use of libgcrypt instead of OpenSSL])], [])
+
 tinc_ZLIB
 tinc_LZO
 
+if test "$with_libgcrypt" = yes; then
+	AM_PATH_LIBGCRYPT([], [], [])
+    	ln -sf gcrypt/crypto.c gcrypt/crypto.h gcrypt/cipher.c gcrypt/cipher.h gcrypt/digest.c gcrypt/digest.h gcrypt/rsa.c gcrypt/rsa.h src/
+else
+	tinc_OPENSSL
+    	ln -sf openssl/crypto.c openssl/crypto.h openssl/cipher.c openssl/cipher.h openssl/digest.c openssl/digest.h openssl/rsa.c openssl/rsa.h src/
+fi
+	
+
 dnl Check if support for jumbograms is requested 
 AC_ARG_ENABLE(jumbograms,
   AS_HELP_STRING([--enable-jumbograms], [enable support for jumbograms (packets up to 9000 bytes)]),