Disable tools that require curses if no curses library was found.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@2456 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/Makefile.am

 # $Id$
 
-SUBDIRS = varnishadm varnishd varnishhist varnishlog varnishncsa \
-	varnishreplay varnishstat varnishtop
+SUBDIRS = varnishadm varnishd varnishlog varnishncsa varnishreplay
+
+if HAVE_CURSES
+SUBDIRS += varnishhist varnishstat varnishtop
+endif

configure.ac

@@ -38,15 +38,15 @@ AC_SUBST(DL_LIBS)
 
 save_LIBS="${LIBS}"
 LIBS=""
-AC_SEARCH_LIBS(initscr, [curses ncurses])
+AC_SEARCH_LIBS(initscr, [curses ncurses],
+	[have_curses=yes], [have_curses=no])
 CURSES_LIBS="${LIBS}"
 LIBS="${save_LIBS}"
 AC_SUBST(CURSES_LIBS)
-
-# people tend to forget about curses until the build breaks
-if test "$ac_cv_search_initscr" = no; then
-	AC_MSG_ERROR([curses or ncurses is required])
+if test "$have_curses" = no; then
+	AC_MSG_WARN([curses not found; some tools will not be built])
 fi
+AM_CONDITIONAL([HAVE_CURSES], [test x$have_curses = xyes])
 
 save_LIBS="${LIBS}"
 LIBS=""