extend beos C++ flags

Makefile.defaults

@@ -94,6 +94,9 @@ NETSURF_FS_BACKING_STORE := NO
 # Initial CFLAGS. Optimisation level etc. tend to be target specific.
 CFLAGS :=
 
+# Initial CXXFLAGS. Optimisation level etc. tend to be target specific.
+CXXFLAGS :=
+
 # Default installation/execution prefix
 PREFIX ?= /usr/local
 

beos/Makefile.target

@@ -2,7 +2,6 @@
 # BeOS target setup
 # ----------------------------------------------------------------------------
 
-
 $(eval $(call feature_enabled,PNG,-DWITH_PNG,-lpng,PNG (libpng)  ))
 $(eval $(call feature_enabled,NSSVG,-DWITH_NS_SVG,-lsvgtiny,SVG (libsvgtiny)))
 
@@ -36,6 +35,10 @@ ifeq ($(HOST),beos)
 		-I/boot/home/config/include/hubbub	\
 		-I/boot/home/config/include/libcss	\
 		-I/boot/home/config/include/parserutils
+  CXXFLAGS += -I/boot/home/config/include		\
+		-I/boot/home/config/include/hubbub	\
+		-I/boot/home/config/include/libcss	\
+		-I/boot/home/config/include/parserutils
   ifneq ($(wildcard /boot/develop/lib/*/libzeta.so),)
     LDFLAGS += -lzeta
   endif
@@ -45,6 +48,10 @@ ifeq ($(HOST),beos)
 		-I/boot/common/include/hubbub	\
 		-I/boot/common/include/libcss	\
 		-I/boot/common/include/parserutils
+      CXXFLAGS += -I/boot/common/include		\
+		-I/boot/common/include/hubbub	\
+		-I/boot/common/include/libcss	\
+		-I/boot/common/include/parserutils
       NETLDFLAGS := -lnetwork
   else
     ifneq ($(wildcard /boot/develop/lib/*/libbind.so),)
@@ -69,6 +76,7 @@ endif
 
 ifeq ($(HOST),beos)
   CFLAGS += -I$(PREFIX)/include
+  CXXFLAGS += -I$(PREFIX)/include
   LDFLAGS += -L$(PREFIX)/lib
   $(eval $(call feature_enabled,BMP,-DWITH_BMP,-lnsbmp,BMP (libnsbmp)))
   $(eval $(call feature_enabled,GIF,-DWITH_GIF,-lnsgif,GIF (libnsgif)))