--- frei0r-plugins-1.4/src/Makefile.am	2015-04-16 05:38:44.453333338 +0000
+++ frei0r-plugins-1.4/src/Makefile.am.orig	2015-04-16 05:39:04.930000005 +0000
@@ -149,11 +149,11 @@
 if HAVE_OPENCV
 plugin_LTLIBRARIES += facebl0r.la
 facebl0r_la_SOURCES = filter/facebl0r/facebl0r.cpp
-facebl0r_la_CFLAGS = @OPENCV_CFLAGS@ @CFLAGS@ 
+facebl0r_la_CXXFLAGS = @OPENCV_CFLAGS@ @CXXFLAGS@ 
 facebl0r_la_LIBADD = @OPENCV_LIBS@
 plugin_LTLIBRARIES += facedetect.la
 facedetect_la_SOURCES = filter/facedetect/facedetect.cpp
-facedetect_la_CFLAGS = @OPENCV_CFLAGS@ @CFLAGS@
+facedetect_la_CXXFLAGS = @OPENCV_CFLAGS@ @CXXFLAGS@
 facedetect_la_LIBADD = @OPENCV_LIBS@
 endif