second part of patches for #64271 (bootstrap on NetBSD)

[Kai-Uwe Eckhardt]

here are the non-libstdc++ patches:

--- libgfortran/configure.orig  2014-12-10 22:34:06.000000000 +0100
+++ libgfortran/configure       2014-12-10 22:33:57.000000000 +0100
@@ -26447,7 +26447,7 @@
 
   fi
   case "$host" in
-    *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* )
+    *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* | *-*-netbsd* )
 
 $as_echo "#define GTHREAD_USE_WEAK 0" >>confdefs.h


 
--- libcilkrts/configure.orig   2014-12-10 22:28:55.000000000 +0100
+++ libcilkrts/configure        2014-12-10 22:28:38.000000000 +0100
@@ -14519,7 +14519,7 @@
 CFLAGS="$save_CFLAGS"
 
 if test $enable_shared = yes; then
-  link_cilkrts="-lcilkrts %{static: $LIBS}"
+  link_cilkrts="-rpath ${prefix}/lib --as-needed -lgcc_s -lcilkrts %{static 
$LIBS}"
 else
   link_cilkrts="-lcilkrts $LIBS"
 fi


--- libcilkrts/runtime/os-unix.c.orig   2014-12-10 22:29:28.000000000 +0100
+++ libcilkrts/runtime/os-unix.c        2014-12-10 22:29:40.000000000 +0100
@@ -56,7 +56,9 @@
     // Uses sysconf(_SC_NPROCESSORS_ONLN) in verbose output
 #elif defined  __DragonFly__
 // No additional include files
-#elif defined  __FreeBSD__
+#elif defined  __FreeBSD__ 
+// No additional include files
+#elif defined  __NetBSD__ 
 // No additional include files
 #elif defined __CYGWIN__
 // Cygwin on Windows - no additional include files
@@ -376,7 +378,7 @@
     assert((unsigned)count == count);
 
     return count;
-#elif defined  __FreeBSD__ || defined __CYGWIN__ || defined __DragonFly__
+#elif defined  __FreeBSD__ || defined __CYGWIN__ || defined __DragonFly__ || 
defined __NetBSD__
     int ncores = sysconf(_SC_NPROCESSORS_ONLN);
 
     return ncores;
@@ -400,7 +402,7 @@
 
 COMMON_SYSDEP void __cilkrts_yield(void)
 {
-#if __APPLE__ || __FreeBSD__ || __VXWORKS__
+#if __APPLE__ || __FreeBSD__ || __NetBSD__ || __VXWORKS__
     // On MacOS, call sched_yield to yield quantum.  I'm not sure why we
     // don't do this on Linux also.
     sched_yield();