1 This patch is taken from:

     2 http://cvs.savannah.gnu.org/viewvc/make/main.c?root=make&r1=1.246&r2=1.247

     3 

     4 When we re-exec the master makefile in a jobserver environment, ensure

     5 that MAKEFLAGS is set properly so the re-exec'd make runs in parallel.

     6 See Savannah bug #33873.

     7 

     8 bug #33873: MAKEFLAGS=-jN gets lost on reexec

     9 https://savannah.gnu.org/bugs/?33873

    10 

    11 sr #107487: MAKEFLAGS not being honored always (regression) in 3.82

    12 https://savannah.gnu.org/support/index.php?107487

    13 

    14 --- a/main.c	2010/08/29 23:05:27	1.246

    15 +++ b/main.c	2011/09/18 23:39:26	1.247

    16 @@ -2088,6 +2088,11 @@

    17  

    18            ++restarts;

    19  

    20 +          /* If we're re-exec'ing the first make, put back the number of

    21 +             job slots so define_makefiles() will get it right.  */

    22 +          if (master_job_slots)

    23 +            job_slots = master_job_slots;

    24 +

    25            /* Reset makeflags in case they were changed.  */

    26            {

    27              const char *pv = define_makeflags (1, 1);

    28 @@ -2824,9 +2829,6 @@

    29  		       && (*(unsigned int *) cs->value_ptr ==

    30  			   *(unsigned int *) cs->noarg_value))

    31  		ADD_FLAG ("", 0); /* Optional value omitted; see below.  */

    32 -	      else if (cs->c == 'j')

    33 -		/* Special case for `-j'.  */

    34 -		ADD_FLAG ("1", 1);

    35  	      else

    36  		{

    37  		  char *buf = alloca (30);