AC_INIT(src/isync.h)
AM_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE(isync, 1.0.0alpha)

AM_MAINTAINER_MODE

AM_PROG_CC_STDC
if test "$GCC" = yes; then
    CFLAGS="$CFLAGS -pipe -W -Wall -Wshadow -Wstrict-prototypes"
fi

AC_CHECK_FUNCS(vasprintf)

AC_CHECK_LIB(socket, socket, [SOCK_LIBS="-lsocket"])
AC_CHECK_LIB(nsl, inet_ntoa, [SOCK_LIBS="$SOCK_LIBS -lnsl"])
AC_SUBST(SOCK_LIBS)

m4_ifdef([AS_HELP_STRING], , [m4_define([AS_HELP_STRING], m4_defn([AC_HELP_STRING]))])

ssl=false
AC_ARG_WITH(ssl,
  AS_HELP_STRING([--with-ssl=DIR], [yes/no/OpenSSL installation root [detect]]),
  [ob_cv_with_ssl=$withval])
if test "x$ob_cv_with_ssl" != xno; then
    if test -d "$ob_cv_with_ssl/lib"; then
      CPFLAGS="$CPPFLAGS -I$ob_cv_with_ssl/include"
      LDFLAGS="$LDFLAGS -L$ob_cv_with_ssl/lib"
    fi
    AC_CHECK_LIB(crypto, ERR_error_string, [cryptolib=" -lcrypto"])
    AC_CHECK_LIB(ssl, SSL_library_init, [
	SSL_LIBS="-lssl$cryptolib"
	AC_DEFINE(HAVE_LIBSSL, 1, [Define if you want SSL support])
	ssl=true
      ],[
	if test -n "$ob_cv_with_ssl"; then
	    AC_MSG_ERROR([can't find OpenSSL])
	fi
      ])
fi
AC_SUBST(SSL_LIBS)

AC_CACHE_CHECK([for Berkley DB 4.2], ac_cv_berkdb4,
  [ac_cv_berkdb4=no
   AC_TRY_LINK([#include <db.h>],
               [DB *db;
	        db->truncate(db, 0, 0, 0);
	        db->open(db, 0, "foo", "foo", DB_HASH, DB_CREATE, 0)],
	       [ac_cv_berkdb4=yes])])
if test "x$ac_cv_berkdb4" = xno; then
  AC_MSG_ERROR([Berkley DB 4.2 not found.
You must install libdb4.2 including the respective development files/headers.])
fi

AC_ARG_ENABLE(compat,
  AS_HELP_STRING([--disable-compat], [don't include isync compatibility wrapper [no]]),
  [ob_cv_enable_compat=$enableval])
if test "x$ob_cv_enable_compat" != xno; then
  AC_CHECK_FUNCS(getopt_long)
fi
AM_CONDITIONAL(with_compat, test "x$ob_cv_enable_compat" != xno)

AC_OUTPUT(Makefile src/Makefile src/compat/Makefile isync.spec)

if $ssl; then
    AC_MSG_RESULT([
Using SSL
])
else
    AC_MSG_RESULT([
Not using SSL
])
fi