1.1 --- a/configure.ac	Sat Jun 11 17:56:45 2016 +0100
     1.2 +++ b/configure.ac	Thu Jul 07 15:17:29 2016 +0100
     1.3 @@ -205,6 +205,25 @@
     1.4  AC_MSG_RESULT($have_gcc4)
     1.5  
     1.6  REQUIREMENTS=""
     1.7 +AC_ARG_WITH([libarchive],
     1.8 +            [AS_HELP_STRING([--without-libarchive],
     1.9 +	        [disable support for libarchive])],
    1.10 +            [],
    1.11 +            [with_libarchive=yes])
    1.12 +          
    1.13 +LIBARCHIVE_CFLAGS=
    1.14 +LIBARCHIVE_LIBS=
    1.15 +AS_IF([test "x$with_libarchive" != xno],
    1.16 +  [PKG_CHECK_MODULES(LIBARCHIVE, [libarchive])
    1.17 +   REQUIREMENTS="$REQUIREMENTS libarchive"
    1.18 +   AC_DEFINE([HAVE_LIBARCHIVE], [1], [Define if you have libarchive])])
    1.19 +AC_SUBST(LIBARCHIVE_CFLAGS)
    1.20 +AC_SUBST(LIBARCHIVE_LIBS)
    1.21 +
    1.22 +AS_IF([test "x$with_libarchive" != xno],
    1.23 +   [AC_PATH_PROG(ZIP, [zip], [])])
    1.24 +AM_CONDITIONAL([HAVE_ZIP], [test -n "$ZIP"])
    1.25 +
    1.26  AC_ARG_WITH([curl],
    1.27              [AS_HELP_STRING([--without-curl], [disable support for curl])],
    1.28              [],
    1.29 @@ -217,6 +236,7 @@
    1.30     AC_DEFINE([HAVE_CURL], [1], [Define if you have curl])])
    1.31  AC_SUBST(CURL_CFLAGS)
    1.32  AC_SUBST(CURL_LIBS)
    1.33 +AM_CONDITIONAL([HAVE_CURL], [test "x$with_curl" != xno])
    1.34  
    1.35  ZLIB_LIBS=""
    1.36  AC_ARG_WITH(zlib, [  --with-zlib=<dir>       Use zlib from here],