From a4d8444b594e53b13659a9f2c64424418f255e27 Mon Sep 17 00:00:00 2001
From: Paul Smith <psmith@gnu.org>
Date: Sun, 15 Sep 2013 15:05:18 -0400
Subject: [SV 39934] Verify jobserver FDs before something else uses them.

---
 tests/ChangeLog                    |  3 +++
 tests/scripts/features/parallelism | 20 ++++++++++++++++++++
 2 files changed, 23 insertions(+)

(limited to 'tests')

diff --git a/tests/ChangeLog b/tests/ChangeLog
index c629a0e..d97e7e2 100644
--- a/tests/ChangeLog
+++ b/tests/ChangeLog
@@ -1,5 +1,8 @@
 2013-09-15  Paul Smith  <psmith@gnu.org>
 
+	* scripts/features/parallelism: Test broken jobserver on recursion.
+	Test for Savannah bug #39934.
+
 	* scripts/options/eval: Verify --eval during restart.
 	Test for Savannah bug #39203.
 
diff --git a/tests/scripts/features/parallelism b/tests/scripts/features/parallelism
index a895517..6e8376d 100644
--- a/tests/scripts/features/parallelism
+++ b/tests/scripts/features/parallelism
@@ -254,6 +254,26 @@ true
 ');
 }
 
+# Test recursion when make doesn't think it exists.
+# See Savannah bug #39934
+# Or Red Hat bug https://bugzilla.redhat.com/show_bug.cgi?id=885474
+
+open(MAKEFILE,"> Makefile2");
+print MAKEFILE <<EOF;
+vpath %.c $ENV{HOME}/
+foo:
+EOF
+close(MAKEFILE);
+
+run_make_test(q!
+default: ; @ #MAKEPATH# -f Makefile2
+!,
+              '-j2 --no-print-directory',
+"#MAKE#[1]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.
+#MAKE#[1]: Nothing to be done for 'foo'.");
+
+unlink('Makefile2');
+
 # Make sure that all jobserver FDs are closed if we need to re-exec the
 # master copy.
 #
-- 
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