Add testcase/posix_var.mk

For 187bf08

runtest.rb

@@ -183,6 +183,9 @@ def normalize_kati_log(output)
       if todos.include?('c-ninja') && ckati && via_ninja
         expected_failure = true
       end
+      if todos.include?('c-exec') && ckati && !via_ninja
+        expected_failure = true
+      end
       if todos.include?('ninja') && via_ninja
         expected_failure = true
       end

testcase/posix_var.mk

@@ -0,0 +1,22 @@
+# TODO(go|c-exec): Fix
+
+MAKEVER:=$(shell make --version | ruby -n0e 'puts $$_[/Make (\d)/,1]')
+
+# GNU make 3.82 has this feature though.
+ifeq ($(MAKEVER),3)
+
+test:
+	echo test skipped
+
+else
+
+# TODO: Fix
+#$(info $(shell echo foo))
+SHELL := echo
+#$(info $(shell echo bar))
+.POSIX:
+#$(info $(shell echo baz))
+test:
+	foobar
+
+endif