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# Filename: package/.../make/make-3.82-0008-parallel-remake.patch
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From 4c7a70c558579d5b42d54fde1397c121d3df31c4 Mon Sep 17 00:00:00 2001
From: Christian Wiese <chris@opensde.org>
Date: Mon, 22 Oct 2012 18:06:56 +0200
Subject: [PATCH] parallel remake
ChangeLog:
2011-09-18 Paul Smith <psmith@gnu.org>
* main.c (main): If we're re-exec'ing and we're the master make,
then restore the job_slots value so it goes back into MAKEFLAGS
properly. See Savannah bug #33873.
test/ChangeLog:
2011-09-18 Paul Smith <psmith@gnu.org>
* scripts/features/parallelism: On re-exec make sure we preserve
the value of MAKEFLAGS when necessary. See Savannah bug #33873.
---
main.c | 8 +++++---
tests/scripts/features/parallelism | 17 +++++++++++++++++
2 files changed, 22 insertions(+), 3 deletions(-)
diff --git a/main.c b/main.c
index 782b0de..68587ae 100644
--- a/main.c
+++ b/main.c
@@ -2088,6 +2088,11 @@ main (int argc, char **argv, char **envp)
++restarts;
+ /* If we're re-exec'ing the first make, put back the number of
+ job slots so define_makefiles() will get it right. */
+ if (master_job_slots)
+ job_slots = master_job_slots;
+
/* Reset makeflags in case they were changed. */
{
const char *pv = define_makeflags (1, 1);
@@ -2824,9 +2829,6 @@ define_makeflags (int all, int makefile)
&& (*(unsigned int *) cs->value_ptr ==
*(unsigned int *) cs->noarg_value))
ADD_FLAG ("", 0); /* Optional value omitted; see below. */
- else if (cs->c == 'j')
- /* Special case for `-j'. */
- ADD_FLAG ("1", 1);
else
{
char *buf = alloca (30);
diff --git a/tests/scripts/features/parallelism b/tests/scripts/features/parallelism
index cc0f84f..6122412 100644
--- a/tests/scripts/features/parallelism
+++ b/tests/scripts/features/parallelism
@@ -164,6 +164,23 @@ inc.mk:
rmfiles('inc.mk');
+# TEST #11: Make sure -jN from MAKEFLAGS is processed even when we re-exec
+# See Savannah bug #33873
+
+$extraENV{MAKEFLAGS} = '-j4';
+
+run_make_test(q!
+things = thing1 thing2
+all: $(things)
+$(things):; @echo '$@ start'; sleep 1; echo '$@ end'
+-include inc.mk
+inc.mk: ; @touch $@
+!,
+ '', "thing1 start\nthing2 start\nthing1 end\nthing2 end\n");
+
+delete $extraENV{MAKEFLAGS};
+rmfiles('inc.mk');
+
if ($all_tests) {
# Implicit files aren't properly recreated during parallel builds
# Savannah bug #26864
--
1.7.2.3