(failing) test for userspace components with headers

This is a test for #515.

Author: jepler

tests/halcompile/relative-header-user/checkresult

@@ -0,0 +1,2 @@
+#!/bin/sh
+[ -e "`dirname "$1"`/relative_header" ]

tests/halcompile/relative-header-user/local.h

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+#define X 1

tests/halcompile/relative-header-user/relative_header.comp

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+component relative_header;
+pin out bit out;
+include "local.h";
+license "GPL";
+option userspace yes;
+;;
+void user_mainloop(void) {
+    FOR_ALL_INSTS() { out = ! out; }
+    rtapi_delay(100 * 1000 * 1000);
+}

tests/halcompile/relative-header-user/test.sh

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+#!/bin/bash
+set -e
+rm -f relative_header
+halcompile --compile relative_header.comp