Add logic to NSH startup to call C++ static initializers on startup

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4439 42af7a65-404d-4744-a932-0658087f49c3

ChangeLog.txt

@@ -198,3 +198,5 @@
 	  keyboard mappings of the Backspace key.  Submitted by Mike Smith.
 	* apps/examples/cdcacm:  An example that illustrates how the CDC/ACM driver
 	  may to connected and disconnected through software control.
+	* apps/examples/nsh/nsh_main.c:  If available, call up_cxxinitialize() to
+	  initialize all statically defined C++ classes.

examples/nsh/nsh_main.c

@@ -45,6 +45,8 @@
 #include <sched.h>
 #include <errno.h>
 
+#include <nuttx/arch.h>
+
 #include <apps/nsh.h>
 
 /****************************************************************************
@@ -84,6 +86,12 @@ int user_start(int argc, char *argv[])
   int exitval = 0;
   int ret;
 
+  /* Call all C++ static constructors */
+
+#if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE)
+  up_cxxinitialize();
+#endif
+
   /* Initialize the NSH library */
 
   nsh_initialize();