X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=configure.ac;h=467104a67fd75a390a6b00c87962a87f976ed5a0;hp=f06ac80112e895b15fb4ce72f413ea9bc8a00bcc;hb=03f8fa62281b250f2b832a58d49d1b85fadc3338;hpb=812761a1f8ff94e4913529840b905360ff843fc4

diff --git a/configure.ac b/configure.ac
index f06ac80..467104a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,9 +29,27 @@ fi
 AC_PROG_CC
 AC_PROG_INSTALL
 
-PKG_CHECK_MODULES([twin], [libtwin])
+AC_ARG_WITH([twin],
+	[AS_HELP_STRING([--with-twin],
+		[build GUI versions using the twin window system])],
+	[],
+	[with_twin=check])
+
+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_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 ui/test ui/common lib/talloc lib/pb-protocol lib/list \
-	      lib/waiter
+	      lib/waiter lib/log
 
 AC_OUTPUT