Add a new variable: MAKE_RESTARTS, to count how many times make has re-exec'd.

When rebuilding makefiles, unset -B if MAKE_RESTARTS is >0.

1 files changed, 35 insertions, 1 deletions

diff --git a/tests/scripts/options/dash-B b/tests/scripts/options/dash-B
index 4ac377f..864a01f 100644
--- a/tests/scripts/options/dash-B
+++ b/tests/scripts/options/dash-B
@@ -31,9 +31,43 @@ utouch(1000, 'foo');
 run_make_test(undef, '', "#MAKE#: Nothing to be done for `all'.");
 run_make_test(undef, '-B', 'cp bar.x foo');
 
-
 # Clean up
 
 rmfiles('bar.x', 'foo');
 
+# Test -B with the re-exec feature: we don't want to re-exec forever
+# Savannah bug # 7566
+
+run_make_test('
+all: ; @:
+$(info MAKE_RESTARTS=$(MAKE_RESTARTS))
+include foo.x
+foo.x: ; @touch $@
+',
+              '-B', 'MAKE_RESTARTS=
+#MAKEFILE#:4: foo.x: No such file or directory
+MAKE_RESTARTS=1');
+
+rmfiles('foo.x');
+
+# Test -B with the re-exec feature: we DO want -B in the "normal" part of the
+# makefile.
+
+&touch('blah.x');
+
+run_make_test('
+all: blah.x ; @echo $@
+$(info MAKE_RESTARTS=$(MAKE_RESTARTS))
+include foo.x
+foo.x: ; @touch $@
+blah.x: ; @echo $@
+',
+              '-B', 'MAKE_RESTARTS=
+#MAKEFILE#:4: foo.x: No such file or directory
+MAKE_RESTARTS=1
+blah.x
+all');
+
+rmfiles('foo.x', 'blah.x');
+
 1;