[LTP] [PATCH v4 2/2] Add Linux Test eXecutor inside tools

[Andrea Cervesato]

From: Andrea Cervesato <andrea.cervesato@suse.com>

The ltx program runs on the system under test (SUT). It's primary
purpose is to run test executables in parallel and serialise the
results.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 .gitmodules        |  3 +++
 tools/ltx/Makefile | 31 +++++++++++++++++++++++++++++++
 tools/ltx/ltx-src  |  1 +
 3 files changed, 35 insertions(+)
 create mode 100644 tools/ltx/Makefile
 create mode 160000 tools/ltx/ltx-src

diff --git a/.gitmodules b/.gitmodules
index 088023039..c9a6eea31 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "tools/kirk"]
 	path = tools/kirk
 	url = https://github.com/linux-test-project/kirk.git
+[submodule "tools/ltx/ltx-src"]
+	path = tools/ltx/ltx-src
+	url = https://github.com/linux-test-project/ltx.git
diff --git a/tools/ltx/Makefile b/tools/ltx/Makefile
new file mode 100644
index 000000000..4810ec8df
--- /dev/null
+++ b/tools/ltx/Makefile
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2023 Cyril Hrubis <chrubis@suse.cz>
+# Copyright (c) 2023 Andrea Cervesato <andrea.cervesato@suse.com>
+#
+# Install script for Linux Test eXecutor
+
+top_srcdir		?= ../..
+
+include $(top_srcdir)/include/mk/env_pre.mk
+
+ifneq ($(wildcard $(abs_srcdir)/ltx-src/*),)
+
+BINARY=ltx
+
+MAKE_TARGETS := $(BINARY)
+
+CFLAGS+=-I$(abs_srcdir)/ltx-src/ -I$(abs_srcdir)/ltx-src/msgpack/
+
+$(BINARY): $(wildcard $(abs_srcdir)/ltx-src/*.c $(abs_srcdir)/ltx-src/msgpack/*.c)
+ifdef VERBOSE
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
+else
+	@echo CC $@
+	@$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
+endif
+
+INSTALL_DIR := $(prefix)
+
+endif
+
+include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/tools/ltx/ltx-src b/tools/ltx/ltx-src
new file mode 160000
index 000000000..d6d150947
--- /dev/null
+++ b/tools/ltx/ltx-src
@@ -0,0 +1 @@
+Subproject commit d6d1509479537f4fdfa9b5adcb67eb6312714999
-- 
2.35.3