Major restructuring to switch build system from old scripts to GNU Automake.

tests/Integrity_-_On_output_pipe_close.test

@@ -0,0 +1,40 @@
+#!/bin/sh
+#
+# Check that there is no SIGPIPE or dropped data on bigger data transfers.
+
+# Dummy assignments for "shellcheck".
+testSubject="${testSubject:-false}"
+
+# We nead GNU head. On some platforms it is named ghead instead of head.
+HEAD="head"
+for checkPath in $(echo "${PATH}" | tr ':' '\n')
+do
+        if test -x "${checkPath}/ghead"
+        then
+                HEAD="${checkPath}/ghead"
+                break
+        fi
+done
+
+# Check that it really is GNU head, and skip the test if not.
+if ! echo | "${HEAD}" -c 10 >/dev/null 2>&1; then
+	echo "GNU \`head' is required"
+	exit 77
+fi
+
+# Don't use dd. See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=324308
+stopAtByteCount="100000000"
+#COUNT2=`"${testSubject}" -B 100000 -q /dev/zero | $HEAD -c $COUNT1 | wc -c | tr -d ' '`
+# We have to remove \n here, to fix the test on AIX.
+bytesTransferred=$("${testSubject}" -B 100000 -q /dev/zero | "${HEAD}" -c "${stopAtByteCount}" | tr -d '\n' | wc -c | tr -dc '0-9')
+
+if ! test "${stopAtByteCount}" = "${bytesTransferred}"; then
+	echo "number bytes transferred was not the expected value"
+	echo "transferred: ${bytesTransferred}"
+	echo "expected: ${stopAtByteCount}"
+	exit 1
+fi
+
+exit 0
+
+# EOF