Merge branch 'master' into nuttx-merge-5447

nuttx/libxx/Kconfig

@@ -3,6 +3,16 @@
 # see misc/tools/kconfig-language.txt.
 #
 
+comment "Basic CXX Support"
+
+config C99_BOOL8
+	bool "sizeof(_Bool) is 8-bits"
+	default n
+	---help---
+		This setting means (1) your C++ compiler has sizeof(_Bool) == 8, (2)
+		your C compiler supports the C99 _Bool intrinsic type, and (2) that
+		the C99 _Bool type also has size 1.
+
 config HAVE_CXX
 	bool "Have C++ compiler"
 	default n
@@ -10,6 +20,8 @@ config HAVE_CXX
 		Toolchain supports C++ and CXX, CXXFLAGS, and COMPILEXX have been 
 		defined in the configurations Make.defs file.
 
+if HAVE_CXX
+
 config HAVE_CXXINITIALIZE
 	bool "Have C++ initialization"
 	default n
@@ -25,3 +37,33 @@ config CXX_NEWLONG
 		size_t may be type long or type int.  This matters for some
 		C++ library routines because the NuttX size_t might not have
 		the same underlying type as your toolchain's size_t.
+
+comment "uClibc++ Standard C++ Library"
+
+config UCLIBCXX
+	bool "Build uClibc++ (must be installed)"
+	default n
+	---help---
+		If you have installed uClibc++ into the NuttX source try, then it can
+		be built by selecting this option.  See misc/uClibc++/README.txt for
+		information on installing uClibc++.
+
+if UCLIBCXX
+
+config UCLIBCXX_EXCEPTION
+	bool "Enable Exception Suppport"
+	default y
+
+config UCLIBCXX_IOSTREAM_BUFSIZE
+	int "IO Stream Buffer Size"
+	default 32
+
+config UCLIBCXX_HAVE_LIBSUPCXX
+	bool "Have libsupc++ (required)"
+	default y
+	---help---
+		Select if your toolchain provides libsupc++.  This option is required
+		at present because the built-in libsupc++ support is incomplete.
+
+endif
+endif