X-Git-Url: https://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=configure.ac;h=340cdbf8da0ed0bd7aa4c2e361efc47246a3ed3b;hp=88e5833ca213fa0897688ed6d9779d4ce4c72343;hb=5d0a6df4644525bf5fbd9d98f3aa4a23a0c03cb4;hpb=dae4540e417e2bf72dd83b2713a670bde0056ba9

diff --git a/configure.ac b/configure.ac
index 88e5833..340cdbf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,9 +29,28 @@ fi
 AC_PROG_CC
 AC_PROG_INSTALL
 
-PKG_CHECK_MODULES([twin], [libtwin])
-
-mkdir -p discover ui/test ui/common lib/talloc lib/pb-protocol lib/list \
-	      lib/waiter lib/log
+AC_ARG_WITH([twin],
+	[AS_HELP_STRING([--with-twin],
+		[build GUI versions using the twin window system])],
+	[],
+	[with_twin=check])
+
+PBTWIN=
+LIBTWIN=
+AS_IF([test "x$with_twin" != xno],
+	[PKG_CHECK_MODULES([twin], [libtwin], [],
+		[AC_MSG_RESULT([$twin_PKG_ERRORS])
+		AC_MSG_RESULT([Consider adjusting PKG_CONFIG_PATH environment variable])])
+	AC_CHECK_LIB([twin], [main],
+		[AC_SUBST([LIBTWIN], ["-ltwin"])
+			AC_SUBST([PBTWIN], ["y"])
+			AC_DEFINE([HAVE_LIBTWIN], [1], [Define if you have libtwin])],
+		[if test "x$with_twin" != xcheck; then
+			AC_MSG_FAILURE([--with-twin was given, but test for twin failed])
+		fi],
+		[${twin_LIBS}])])
+
+mkdir -p discover lib/list lib/log lib/pb-protocol lib/talloc lib/waiter \
+	test ui/common ui/ncurses ui/test ui/twin
 
 AC_OUTPUT