Some configuration/build fixes, so building basicaly everything else than the library can be disabled

INSTALL

@@ -1,8 +1,8 @@
 Installation Instructions
 *************************
 
-Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005,
-2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+Copyright (C) 1994-1996, 1999-2002, 2004-2013 Free Software Foundation,
+Inc.
 
    Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
@@ -226,6 +226,11 @@ order to use an ANSI C compiler:
 
 and if that doesn't work, install pre-built binaries of GCC for HP-UX.
 
+   HP-UX `make' updates targets which have the same time stamps as
+their prerequisites, which makes it generally unusable when shipped
+generated files such as `configure' are involved.  Use GNU `make'
+instead.
+
    On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
 parse its `<wchar.h>' header file.  The option `-nodtk' can be used as
 a workaround.  If GNU CC is not installed, it is therefore recommended
@@ -304,9 +309,10 @@ causes the specified `gcc' to be used as the C compiler (unless it is
 overridden in the site shell script).
 
 Unfortunately, this technique does not work for `CONFIG_SHELL' due to
-an Autoconf bug.  Until the bug is fixed you can use this workaround:
+an Autoconf limitation.  Until the limitation is lifted, you can use
+this workaround:
 
-     CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash
+     CONFIG_SHELL=/bin/bash ./configure CONFIG_SHELL=/bin/bash
 
 `configure' Invocation
 ======================
@@ -362,4 +368,3 @@ operates.
 
 `configure' also accepts some other, not widely useful, options.  Run
 `configure --help' for more details.
-

configure.ac

@@ -28,6 +28,7 @@ fi
 BUILD_DHT_BOOTSTRAP_DAEMON="yes"
 BUILD_NTOX="yes"
 BUILD_TESTS="yes"
+BUILD_TESTING="yes"
 
 NCURSES_FOUND="no"
 LIBCONFIG_FOUND="no"
@@ -35,7 +36,7 @@ LIBCHECK_FOUND="no"
 WANT_NACL="no"
 
 AC_ARG_ENABLE([nacl],
-    [AC_HELP_STRING([--enable-tests], [use nacl instead of libsodium (default: disabled)]) ],
+    [AC_HELP_STRING([--enable-nacl], [use nacl instead of libsodium (default: disabled)]) ],
     [
         if test "x$enableval" = "xno"; then
             WANT_NACL="no"
@@ -78,6 +79,17 @@ AC_ARG_ENABLE([dht-bootstrap-daemon],
     ]
 )
 
+AC_ARG_ENABLE([testing],
+    [AC_HELP_STRING([--disable-testing], [build various testing tools (default: auto)]) ],
+    [
+        if test "x$enableval" = "xno"; then
+            BUILD_TESTING="no"
+        elif test "x$enableval" = "xyes"; then
+            BUILD_TESTING="yes"
+        fi
+    ]
+)
+
 DEPSEARCH=
 LIBSODIUM_SEARCH_HEADERS=
 LIBSODIUM_SEARCH_LIBS=
@@ -460,9 +472,9 @@ if test "x$WIN32" = "xyes"; then
 fi
 
 AM_CONDITIONAL(BUILD_DHT_BOOTSTRAP_DAEMON, test "x$BUILD_DHT_BOOTSTRAP_DAEMON" = "xyes")
-
 AM_CONDITIONAL(BUILD_TESTS, test "x$BUILD_TESTS" = "xyes")
 AM_CONDITIONAL(BUILD_NTOX, test "x$BUILD_NTOX" = "xyes")
+AM_CONDITIONAL(BUILD_TESTING, test "x$BUILD_TESTING" = "xyes")
 
 AC_CONFIG_FILES([Makefile
                  build/Makefile

other/Makefile.inc

@@ -1,4 +1,6 @@
-noinst_PROGRAMS += DHT_bootstrap
+if BUILD_DHT_BOOTSTRAP_DAEMON
+
+bin_PROGRAMS += DHT_bootstrap
 
 DHT_bootstrap_SOURCES = ../other/DHT_bootstrap.c \
                         ../toxcore/DHT.h \
@@ -15,5 +17,7 @@ DHT_bootstrap_LDADD =   $(LIBSODIUM_LDFLAGS) \
                         $(NACL_LIBS) \
                         $(WINSOCK2_LIBS)
 
+endif
+
 EXTRA_DIST +=           $(top_srcdir)/other/DHTservers \
                         $(top_srcdir)/other/tox.png

testing/Makefile.inc

@@ -19,6 +19,8 @@ nTox_LDADD =            $(LIBSODIUM_LDFLAGS) \
 endif
 
 
+if BUILD_TESTING
+
 noinst_PROGRAMS +=      DHT_test \
                         Lossless_UDP_testclient \
                         Lossless_UDP_testserver \
@@ -116,3 +118,5 @@ tox_sync_LDADD = \
                         $(WINSOCK2_LIBS)
 
 EXTRA_DIST += 			$(top_srcdir)/testing/misc_tools.c
+
+endif