diff --git a/textproc/clucene/Makefile b/textproc/clucene/Makefile
index d0963db7fadd..af43b0474b19 100644
--- a/textproc/clucene/Makefile
+++ b/textproc/clucene/Makefile
@@ -20,7 +20,7 @@ USES=		cmake iconv
 USE_LDCONFIG=	yes
 
 CMAKE_ARGS=	-DBUILD_CONTRIBS_LIB=ON
-CXXFLAGS+=	-D__LONG_LONG_SUPPORTED
+CXXFLAGS+=	-D__LONG_LONG_SUPPORTED -D_WCHAR_H_CPLUSPLUS_98_CONFIRMANCE_
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|%%DATADIR%%|${DATADIR_REL}|' \
diff --git a/textproc/clucene/files/patch-libc++ b/textproc/clucene/files/patch-libc++
new file mode 100644
index 000000000000..9ed4ac44f033
--- /dev/null
+++ b/textproc/clucene/files/patch-libc++
@@ -0,0 +1,12 @@
+--- src/shared/CLucene/LuceneThreads.h.orig	2011-03-17 01:21:07.000000000 +0100
++++ src/shared/CLucene/LuceneThreads.h	2013-09-03 18:25:01.380067076 +0200
+@@ -7,6 +7,9 @@
+ #ifndef _LuceneThreads_h
+ #define  _LuceneThreads_h
+ 
++#if defined(_CL_HAVE_PTHREAD)
++#include <pthread.h>
++#endif
+ 
+ CL_NS_DEF(util)
+ class CLuceneThreadIdCompare;