[PATCH 1/4] test_common: don't needlessly rebuild C++ Xapian helper

[Eric Wong <e@80x24.org>]

We should almost always be calling `check_build' instead of
`build'.  Using ccache masked some of the overhead from
this, but various linker implementations are still slow.
---
 lib/PublicInbox/TestCommon.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/TestCommon.pm b/lib/PublicInbox/TestCommon.pm
index b8b7b827..708fa698 100644
--- a/lib/PublicInbox/TestCommon.pm
+++ b/lib/PublicInbox/TestCommon.pm
@@ -726,7 +726,7 @@ SKIP: {
 	require File::Path;
 	eval { # use XDG_CACHE_HOME, first:
 		require PublicInbox::XapHelperCxx;
-		PublicInbox::XapHelperCxx::build();
+		PublicInbox::XapHelperCxx::check_build();
 	};
 	local %ENV = %ENV;
 	delete $ENV{XDG_DATA_HOME};