Implement two basic "strace -f" tests
* Makefile.am (SUBDIRS): Add tests.
* configure.ac (AC_CONFIG_FILES): Add tests/Makefile.
* tests/.gitignore: New file.
* tests/Makefile.am: Likewise.
* tests/init.sh: Likewise.
* tests/ptrace_setoptions: Likewise.
* tests/strace-f: Likewise.
diff --git a/Makefile.am b/Makefile.am
index 4082cb3..f623b9d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,7 @@
# Automake input for strace.
+SUBDIRS = tests
+
bin_PROGRAMS = strace
man_MANS = strace.1
bin_SCRIPTS = strace-graph