diff --git a/examples/osgcameragroup/GNUmakefile b/examples/osgcameragroup/GNUmakefile
index 77e39c580..54dba7d2d 100644
--- a/examples/osgcameragroup/GNUmakefile
+++ b/examples/osgcameragroup/GNUmakefile
@@ -12,7 +12,7 @@ INSTFILES = \
 
 EXEC = osgcameragroup
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)
 
 include $(TOPDIR)/Make/makerules 
diff --git a/examples/osgcameragroup/GNUmakefile.inst b/examples/osgcameragroup/GNUmakefile.inst
index 119b0ee3c..afc452b84 100644
--- a/examples/osgcameragroup/GNUmakefile.inst
+++ b/examples/osgcameragroup/GNUmakefile.inst
@@ -8,7 +8,7 @@ LIBS     += -losgProducer -lProducer $(OSG_LIBS) $(GL_LIBS) $(X_LIBS) $(OTHER_LI
 
 EXEC = osgcameragroup
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)
 
 
diff --git a/examples/osghud/GNUmakefile b/examples/osghud/GNUmakefile
index 41ca2a458..8cc911063 100644
--- a/examples/osghud/GNUmakefile
+++ b/examples/osghud/GNUmakefile
@@ -12,7 +12,7 @@ INSTFILES = \
 
 EXEC = osghud
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)
 
 include $(TOPDIR)/Make/makerules 
diff --git a/examples/osghud/GNUmakefile.inst b/examples/osghud/GNUmakefile.inst
index 289f158a3..79d06f5b3 100644
--- a/examples/osghud/GNUmakefile.inst
+++ b/examples/osghud/GNUmakefile.inst
@@ -8,7 +8,7 @@ LIBS     += -losgProducer -lProducer -losgText $(OSG_LIBS) $(GL_LIBS) $(X_LIBS)
 
 EXEC = osghud
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)
 
 
diff --git a/examples/osgreflect/GNUmakefile b/examples/osgreflect/GNUmakefile
index 611166908..8a96d05a4 100644
--- a/examples/osgreflect/GNUmakefile
+++ b/examples/osgreflect/GNUmakefile
@@ -12,7 +12,7 @@ INSTFILES = \
 
 EXEC = osgreflect
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)
 
 include $(TOPDIR)/Make/makerules 
diff --git a/examples/osgreflect/GNUmakefile.inst b/examples/osgreflect/GNUmakefile.inst
index 623aaac59..7b9129ffa 100644
--- a/examples/osgreflect/GNUmakefile.inst
+++ b/examples/osgreflect/GNUmakefile.inst
@@ -8,7 +8,7 @@ LIBS     += -losgProducer -lProducer $(OSG_LIBS) $(GL_LIBS) $(X_LIBS) $(OTHER_LI
 
 EXEC = osgviewer
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)
 
 
diff --git a/examples/osgstereoimage/GNUmakefile b/examples/osgstereoimage/GNUmakefile
index 218b91a4d..6b7094209 100644
--- a/examples/osgstereoimage/GNUmakefile
+++ b/examples/osgstereoimage/GNUmakefile
@@ -12,7 +12,7 @@ INSTFILES = \
 
 EXEC = osgstereoimage
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)
 
 include $(TOPDIR)/Make/makerules 
diff --git a/examples/osgstereoimage/GNUmakefile.inst b/examples/osgstereoimage/GNUmakefile.inst
index 13faa93c2..547cb6b43 100644
--- a/examples/osgstereoimage/GNUmakefile.inst
+++ b/examples/osgstereoimage/GNUmakefile.inst
@@ -8,7 +8,7 @@ LIBS     += -losgProducer -lProducer $(OSG_LIBS) $(GL_LIBS) $(X_LIBS) $(OTHER_LI
 
 EXEC = osgstereoimage
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)
 
 
diff --git a/examples/osgtext/GNUmakefile b/examples/osgtext/GNUmakefile
index 83e757bac..d4e74a6e6 100644
--- a/examples/osgtext/GNUmakefile
+++ b/examples/osgtext/GNUmakefile
@@ -12,7 +12,7 @@ INSTFILES = \
 
 EXEC = osgtext
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)
 
 include $(TOPDIR)/Make/makerules 
diff --git a/examples/osgtext/GNUmakefile.inst b/examples/osgtext/GNUmakefile.inst
index 0ebfeffed..d9d42d341 100644
--- a/examples/osgtext/GNUmakefile.inst
+++ b/examples/osgtext/GNUmakefile.inst
@@ -8,7 +8,7 @@ LIBS     += -losgProducer -lProducer -losgText $(OSG_LIBS) $(GL_LIBS) $(X_LIBS)
 
 EXEC = osgtext
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)
 
 
diff --git a/examples/osgviewer/GNUmakefile b/examples/osgviewer/GNUmakefile
index c0ef5ee6e..6073b2cdd 100644
--- a/examples/osgviewer/GNUmakefile
+++ b/examples/osgviewer/GNUmakefile
@@ -12,7 +12,7 @@ INSTFILES = \
 
 EXEC = osgviewer
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)
 
 include $(TOPDIR)/Make/makerules 
diff --git a/examples/osgviewer/GNUmakefile.inst b/examples/osgviewer/GNUmakefile.inst
index 623aaac59..7b9129ffa 100644
--- a/examples/osgviewer/GNUmakefile.inst
+++ b/examples/osgviewer/GNUmakefile.inst
@@ -8,7 +8,7 @@ LIBS     += -losgProducer -lProducer $(OSG_LIBS) $(GL_LIBS) $(X_LIBS) $(OTHER_LI
 
 EXEC = osgviewer
 
-CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+INC += $(PRODUCER_INCLUDE_DIR)
 LDFLAGS  += $(PRODUCER_LIB_DIR)