--- /dev/null
+## Process this file with automake to produce Makefile.in
+# $Id: Makefile.am,v 1.3 2002/04/09 15:48:54 zarq Exp $
+
+noinst_LIBRARIES = libvpn.a
+
+INCLUDES = @INCLUDES@ -I. -I$(top_builddir) -I$(top_srcdir)/intl
+
+libvpn_a_SOURCES = xmalloc.c pidfile.c utils.c getopt.c getopt1.c list.c avl_tree.c dropin.c
+
+libvpn_a_LIBADD = @LIBOBJS@ @ALLOCA@
+libvpn_a_DEPENDENCIES = $(libvpn_a_LIBADD)
+
+noinst_HEADERS = xalloc.h pidfile.h utils.h getopt.h list.h avl_tree.h dropin.h
+
+EXTRA_DIST = README
--- /dev/null
+dnl Check to find the OpenSSL headers/libraries
+
+AC_DEFUN(tinc_OPENSSL,
+[
+ tinc_ac_save_CPPFLAGS="$CPPFLAGS"
+
+ AC_ARG_WITH(openssl-include,
+ [ --with-openssl-include=DIR OpenSSL headers directory (without trailing /openssl)],
+ [openssl_include="$withval"
+ CFLAGS="$CFLAGS -I$withval"
+ CPPFLAGS="$CPPFLAGS -I$withval"]
+ )
+
+ AC_ARG_WITH(openssl-lib,
+ [ --with-openssl-lib=DIR OpenSSL library directory],
+ [openssl_lib="$withval"
+ LIBS="$LIBS -L$withval"]
+ )
+
+ AC_CHECK_HEADERS(openssl/evp.h openssl/rsa.h openssl/rand.h openssl/err.h openssl/sha.h openssl/pem.h,
+ [],
+ [AC_MSG_ERROR("OpenSSL header files not found."); break]
+ )
+
+ CPPFLAGS="$tinc_ac_save_CPPFLAGS"
+
+ AC_CHECK_LIB(crypto, SHA1_version,
+ [LIBS="$LIBS -lcrypto"],
+ [AC_MSG_ERROR("OpenSSL libraries not found.")]
+ )
+
+ AC_CHECK_FUNCS(RAND_pseudo_bytes)
+
+ AC_CHECK_FUNC(OpenSSL_add_all_algorithms,
+ [],
+ AC_CHECK_FUNC(SSLeay_add_all_algorithms,
+ [AC_DEFINE(HAVE_SSLEAY_ADD_ALL_ALGORITHMS)],
+ [AC_MSG_ERROR("Missing required OpenSSL functionality!")]
+ )
+ )
+
+ AC_CHECK_FUNC(dlopen,
+ [],
+ AC_CHECK_LIB(dl, dlopen,
+ [LIBS="$LIBS -ldl"],
+ [AC_MSG_ERROR("OpenSSL depends on libdl.")]
+ )
+ )
+])
--- /dev/null
+dnl Check to find out whether the running kernel has support for TUN/TAP
+
+AC_DEFUN(tinc_TUNTAP,
+[
+AC_ARG_WITH(kernel,
+ [ --with-kernel=dir give the directory with kernel sources]
+ [ (default: /usr/src/linux)],
+ kerneldir="$withval",
+ kerneldir="/usr/src/linux"
+)
+
+AC_CACHE_CHECK([for linux/if_tun.h], tinc_cv_linux_if_tun_h,
+[
+ AC_TRY_COMPILE([#include "$kerneldir/include/linux/if_tun.h"],
+ [int a = IFF_TAP;],
+ if_tun_h="\"$kerneldir/include/linux/if_tun.h\"",
+ [AC_TRY_COMPILE([#include <linux/if_tun.h>],
+ [int a = IFF_TAP;],
+ if_tun_h="default",
+ if_tun_h="no"
+ )]
+ )
+
+ if test $if_tun_h = no; then
+ tinc_cv_linux_if_tun_h=none
+ else
+ tinc_cv_linux_if_tun_h="$if_tun_h"
+ fi
+])
+
+if test $tinc_cv_linux_if_tun_h != none; then
+ AC_DEFINE(HAVE_TUNTAP)
+ if test $tinc_cv_linux_if_tun_h != default; then
+ AC_DEFINE_UNQUOTED(LINUX_IF_TUN_H, $tinc_cv_linux_if_tun_h)
+ fi
+fi
+AC_SUBST(LINUX_IF_TUN_H)
+AC_SUBST(HAVE_TUNTAP)
+])
--- /dev/null
+dnl Check to find the zlib headers/libraries
+
+AC_DEFUN(tinc_ZLIB,
+[
+ tinc_ac_save_CPPFLAGS="$CPPFLAGS"
+
+ AC_ARG_WITH(zlib-include,
+ [ --with-zlib-include=DIR zlib headers directory],
+ [zlib_include="$withval"
+ CFLAGS="$CFLAGS -I$withval"
+ CPPFLAGS="$CPPFLAGS -I$withval"]
+ )
+
+ AC_ARG_WITH(zlib-lib,
+ [ --with-zlib-lib=DIR zlib library directory],
+ [zlib_lib="$withval"
+ LIBS="$LIBS -L$withval"]
+ )
+
+ AC_CHECK_HEADERS(zlib.h,
+ [],
+ [AC_MSG_ERROR("zlib header files not found."); break]
+ )
+
+ CPPFLAGS="$tinc_ac_save_CPPFLAGS"
+
+ AC_CHECK_LIB(z, compress2,
+ [LIBS="$LIBS -lz"],
+ [AC_MSG_ERROR("zlib libraries not found.")]
+ )
+])