From 2af491cc4ad0ae4064f2e858c83ed485613adafa Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 16 Dec 2016 17:29:01 +0200
Subject: Convert tests/ to subproject, initial work on cross-testing support

---
 tests/test/script/common.test | 27 ++++++++++++++++++---------
 1 file changed, 18 insertions(+), 9 deletions(-)

(limited to 'tests/test/script/common.test')

diff --git a/tests/test/script/common.test b/tests/test/script/common.test
index abd1faa..f58ed86 100644
--- a/tests/test/script/common.test
+++ b/tests/test/script/common.test
@@ -7,21 +7,30 @@
 #
 
 +mkdir build
-+cat <<EOI >>>build/bootstrap.build
++cat <<"EOI" >>>build/bootstrap.build
 project = test
 amalgamation =
 
 using test
 EOI
 
-# The "cat & build" setup: first cat ($c) the testscript, then run build
-# ($b) which will execute the testscript.
+# We assume the specified target if any is in out_base which would be two
+# levels up from our working directory.
 #
-c = cat >>>testscript
-b = $effect($build.path) --jobs 1 --quiet --buildfile - test \
-  <'./: test{testscript}' &?test/***
++if! $empty($target)
+  cat <<"EOI" >>>build/root.build
+  target = \$src_root/../../$string([name] $target)
+  test{*}: test = \$target
+  EOI
+end
 
-# Add extra set of quotes since this value will be "cat" (normally as $*)
-# into testscript.
+# The "cat & build" setup: first cat ($c) the testscript, then run build ($b)
+# which will execute the testscript. We have to quote stdin because of the
+# command line re-expansion.
+#
+# Note that the buildfile is clever hack that relies on the first target
+# automatically becoming dir{./}'s prerequisite.
 #
-test = "'$test'"
+c = cat >>>testscript
+b = $0 --jobs 1 --quiet --buildfile - test <"'test{testscript}: \$target'" \
+&?test/***
-- 
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