mt_allocator.h: thread_id is unused in non threaded applications and now has a ifdef to remove...

2004-02-09  Stefan Olsson  <stefan@xapa.se>

	* include/ext/mt_allocator.h: thread_id is unused in non threaded
	applications and now has a ifdef to remove it completely on
	compilers without thread support. Include stdlib.h due to a
	compiler warning on getenv().

From-SVN: r77576

libstdc++-v3/ChangeLog

+2004-02-09  Stefan Olsson  <stefan@xapa.se>
+
+	* include/ext/mt_allocator.h: thread_id is unused in non threaded
+	applications and now has a ifdef to remove it completely on
+	compilers without thread support. Include stdlib.h due to a
+	compiler warning on getenv().
+
 2004-02-09  Paul Brook  <paul@codesourcery.com>
 
 	* libstdc++-v3/configure.host: Explicitly check for atomicity.h file.

libstdc++-v3/include/ext/mt_allocator.h

@@ -36,6 +36,7 @@
 #define _MT_ALLOCATOR_H 1
 
 #include <new>
+#include <cstdlib>
 #include <bits/functexcept.h>
 #include <bits/gthr.h>
 #include <bits/atomicity.h>
@@ -188,7 +189,9 @@ namespace __gnu_cxx
         /*
          * The thread id of the thread which has requested this block.
          */
+#ifdef __GTHREADS
         size_t thread_id;
+#endif
       };
 
       struct bin_record