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Date: Wed, 25 Sep 2019 20:41:00 -0000
Message-Id: <xna7askt1n.fsf@greed.delorie.com>
From: DJ Delorie <dj@redhat.com>
To: libc-alpha@sourceware.org
Subject: run one test
X-SW-Source: 2019-09/txt/msg00436.txt.bz2


One of the small items that was mentioned at Cauldron was "how do to
re-run just one test?"

While it can be done with a suitable command line make invocation,
this is a lot easier...

I'll turn it into a real patch once we bikeshed the target name ;-)

diff --git a/Makefile b/Makefile
index 67ddd01bfe..c424d9ee02 100644
--- a/Makefile
+++ b/Makefile
@@ -499,3 +499,11 @@ FORCE:
 
 iconvdata/% localedata/% po/%: FORCE
 	$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
+
+# Convenience target to rerun one test, from the top of the build tree
+# Example: make onetest t=wcsmbs/test-wcsnlen
+onetest :
+	@-rm -f $(objpfx)$t.out
+	$(MAKE) subdir=$(dir $t) -C $(dir $t) ..=../ $(objpfx)$t.out
+	@cat $(objpfx)$t.test-result
+	@cat $(objpfx)$t.out