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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 238f3d7e6..e76b63c19 100644
--- a/configure.ac
+++ b/configure.ac
@@ -757,6 +757,8 @@ if test "x$enable_gtk3" = "xyes"; then
AC_MSG_RESULT([Using external GDL])
AC_DEFINE(WITH_EXT_GDL,1,[Build with external GDL])
+ else
+ AC_MSG_ERROR([Some dependencies were not fulfilled for the experimental GTK+ 3 build. One possible cause for this is a new dependency on the gdl-3.0 development package.])
fi
else