Get closure.t working under minitest

minitest can run before everything is built.  Hence, we need to make sure
the directories that buildcustomize.pl puts in @INC are not clobbered by
the test script.  Also, we need to make sure that, when run from TEST, we
do actually include buildcustomize.pl.

1 files changed, 10 insertions, 1 deletions

diff --git a/TestInit.pm b/TestInit.pm
index 16eb318cc3..f4ed6fd93d 100644
--- a/TestInit.pm
+++ b/TestInit.pm
@@ -76,7 +76,16 @@ sub import {
 	} else {
 	    # (likely) we're being run by t/TEST or t/harness, and we're a test
 	    # in t/
-	    @INC = '../lib';
+	    if (defined &DynaLoader::boot_DynaLoader) {
+		@INC = '../lib';
+	    }
+	    else {
+		# miniperl/minitest
+		# t/TEST does not supply -I../lib, so buildcustomize.pl is
+		# not automatically included.
+		unshift @INC, '../lib';
+		do "../lib/buildcustomize.pl";
+	    }
 	}
     }