MacOSX compile fix.

[lyx.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index c2c89c2abad6c5677640805ce9895715da893c89..ecb4cd26c3f99829f953deb2ec3ea1baf7b8511e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -147,6 +147,9 @@ AC_SUBST(AIKSAURUS_LIBS)
 
 LYX_USE_INCLUDED_BOOST
 
+# Needed for our char_type
+AC_CHECK_SIZEOF(wchar_t)
+
 ### Setup libtool
 dnl Dirty trick ahead: disable libtool checking for a fortran compiler
 dnl see http://permalink.gmane.org/gmane.comp.gnu.libtool.general/6699