make: ship the Joyent patch to enable parallel make (originally from rm)

@@ -39,21 +39,21 @@
 #include <dm/Avo_DoJobMsg.h>
 #include <dm/Avo_MToolJobResultMsg.h>
 #endif
 #include <errno.h>              /* errno */
 #include <fcntl.h>
-#include <avo/util.h>           /* avo_get_user(), avo_hostname() */
 #include <mk/defs.h>
 #include <mksh/dosys.h>         /* redirect_io() */
 #include <mksh/macro.h>         /* expand_value() */
 #include <mksh/misc.h>          /* getmem() */
 #include <sys/signal.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/utsname.h>
 #include <sys/wait.h>
 #include <unistd.h>
+#include <netdb.h>
 
 
 
 /*
  * Defined macros

@@ -143,15 +143,12 @@
         Name                    target = line->body.line.target;
         Boolean                 wrote_state_file = false;
 
         if ((pmake_max_jobs == 0) &&
             (dmake_mode_type == parallel_mode)) {
-                if (user_name[0] == '\0') {
-                        avo_get_user(user_name, NULL);
-                }
                 if (local_host[0] == '\0') {
-                        strcpy(local_host, avo_hostname());
+                        (void) gethostname(local_host, MAXNAMELEN);
                 }
                 MBSTOWCS(wcs_buffer, NOCATGETS("DMAKE_MAX_JOBS"));
                 dmake_name = GETNAME(wcs_buffer, FIND_LENGTH);
                 if (((prop = get_prop(dmake_name->prop, macro_prop)) != NULL) &&
                     ((dmake_value = prop->body.macro.value) != NULL)) {

@@ -667,11 +664,11 @@
 
                 /* warning message for the user */
                 warning(catgets(catd, 1, 339, "Encountered max jobs auto adjustment error - disabling auto adjustment."));
 
                 /* switch off job adjustment for the children */
-                putenv(NOCATGETS("DMAKE_ADJUST_MAX_JOBS=NO"));
+                putenv(strdup(NOCATGETS("DMAKE_ADJUST_MAX_JOBS=NO")));
 
                 /* and for this dmake */
                 job_adjust_mode = ADJUST_NONE;
         }
 }

@@ -1734,20 +1731,10 @@
         rp = new_running_struct();
         rp->state = build_running;
         rp->target = target;
         rp->true_target = true_target;
         rp->command = command;
-        Property spro_val = get_prop(sunpro_dependencies->prop, macro_prop);
-        if(spro_val) {
-                rp->sprodep_value = spro_val->body.macro.value;
-                spro_val->body.macro.value = NULL;
-                spro_val = get_prop(sunpro_dependencies->prop, env_mem_prop);
-                if(spro_val) {
-                        rp->sprodep_env = spro_val->body.env_mem.value;
-                        spro_val->body.env_mem.value = NULL;
-                }
-        }
         rp->recursion_level = recursion_level;
         rp->do_get = do_get;
         rp->implicit = implicit;
         rp->auto_count = auto_count;
         if (auto_count > 0) {