runtime: use "$GOC -dumpversion" instead of BASE-VER to discover compiler version

From-SVN: r217049

libgo/Makefile.am

@@ -15,7 +15,7 @@ endif
 
 SUBDIRS = ${subdirs}
 
-gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
+gcc_version := $(shell $(GOC) -dumpversion)
 
 MAINT_CHARSET = latin1
 

libgo/Makefile.in

@@ -430,7 +430,7 @@ top_srcdir = @top_srcdir@
 SUFFIXES = .c .go .gox .o .obj .lo .a
 @LIBGO_IS_RTEMS_TRUE@subdirs = testsuite
 SUBDIRS = ${subdirs}
-gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
+gcc_version := $(shell $(GOC) -dumpversion)
 MAINT_CHARSET = latin1
 mkinstalldirs = $(SHELL) $(toplevel_srcdir)/mkinstalldirs
 PWD_COMMAND = $${PWDCMD-pwd}