From e35ea9486e5ef8bd1c805b8087c2675343aa8101 Mon Sep 17 00:00:00 2001
From: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>
Date: Sat, 27 Mar 2021 12:37:10 +0100
Subject: [PATCH] mqtt: Add glue code to download MQTT-C.

Signed-off-by: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>
---
 netutils/mqttc/.gitignore |  2 ++
 netutils/mqttc/Kconfig    | 18 +++++++++++++++
 netutils/mqttc/Make.defs  | 32 ++++++++++++++++++++++++++
 netutils/mqttc/Makefile   | 48 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 100 insertions(+)
 create mode 100644 netutils/mqttc/.gitignore
 create mode 100644 netutils/mqttc/Kconfig
 create mode 100644 netutils/mqttc/Make.defs
 create mode 100644 netutils/mqttc/Makefile

diff --git a/netutils/mqttc/.gitignore b/netutils/mqttc/.gitignore
new file mode 100644
index 000000000..5d6e9a06e
--- /dev/null
+++ b/netutils/mqttc/.gitignore
@@ -0,0 +1,2 @@
+/MQTT-C
+/*tar.gz
diff --git a/netutils/mqttc/Kconfig b/netutils/mqttc/Kconfig
new file mode 100644
index 000000000..d17d19480
--- /dev/null
+++ b/netutils/mqttc/Kconfig
@@ -0,0 +1,18 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+config NETUTILS_MQTTC
+	tristate "Enable MQTT-C"
+	default n
+	---help---
+		Enable MQTT-C
+
+if NETUTILS_MQTTC
+
+config NETUTILS_MQTTC_VERSION
+	string "MQTT-C Version"
+	default "1.1.4"
+
+endif
diff --git a/netutils/mqttc/Make.defs b/netutils/mqttc/Make.defs
new file mode 100644
index 000000000..878961a03
--- /dev/null
+++ b/netutils/mqttc/Make.defs
@@ -0,0 +1,32 @@
+############################################################################
+# apps/netutils/mqttc/Make.defs
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+ifneq ($(CONFIG_NETUTILS_MQTTC),)
+CONFIGURED_APPS += $(APPDIR)/netutils/mqttc
+
+CFLAGS   += -D__unix__
+CXXFLAGS += -D__unix__
+
+CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" \
+	$(APPDIR)/netutils/mqttc/MQTT-C/include}
+CXXFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" \
+    $(APPDIR)/netutils/mqttc/MQTT-C/include}
+
+endif
diff --git a/netutils/mqttc/Makefile b/netutils/mqttc/Makefile
new file mode 100644
index 000000000..3398f9a22
--- /dev/null
+++ b/netutils/mqttc/Makefile
@@ -0,0 +1,48 @@
+############################################################################
+# apps/netutils/mqttc/Makefile
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+include $(APPDIR)/Make.defs
+
+MQTTC_VERSION := $(patsubst "%",%,$(CONFIG_NETUTILS_MQTTC_VERSION))
+MQTTC_TARBALL  = $(MQTTC_VERSION).tar.gz
+MQTTC_UNPACK   = MQTT-C
+MQTTC_SRCDIR   = $(MQTTC_UNPACK)$(DELIM)src
+
+DEPPATH += --dep-path $(MQTTC_SRCDIR)
+VPATH   += :$(MQTTC_SRCDIR)
+
+CSRCS := $(notdir $(wildcard $(MQTTC_SRCDIR)$(DELIM)*.c))
+
+$(MQTTC_TARBALL):
+	$(Q) echo "Downloading MQTT-C-$(MQTTC_VERSION)"
+	$(Q) curl -O -L https://github.com/LiamBindle/MQTT-C/archive/$(MQTTC_TARBALL)
+
+$(MQTTC_UNPACK): $(MQTTC_TARBALL)
+	$(Q) tar zxf $(MQTTC_TARBALL)
+	$(Q) mv MQTT-C-$(MQTTC_VERSION) $(MQTTC_UNPACK)
+	$(Q) touch $(MQTTC_UNPACK)
+
+context:: $(MQTTC_UNPACK)
+
+distclean::
+	$(call DELFILE, $(MQTTC_TARBALL))
+	$(call DELDIR, $(MQTTC_UNPACK))
+
+include $(APPDIR)/Application.mk