[ptxdist] [PATCH 02/13] nanopb: new package: tiny protobuf implementation

[Roland Hieber <rhi@pengutronix.de>]

Signed-off-by: Roland Hieber <rhi@pengutronix.de>
---
 rules/nanopb.in   | 12 ++++++++++++
 rules/nanopb.make | 49 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 rules/nanopb.in
 create mode 100644 rules/nanopb.make

diff --git a/rules/nanopb.in b/rules/nanopb.in
new file mode 100644
index 000000000000..ca3ac1b2c1d8
--- /dev/null
+++ b/rules/nanopb.in
@@ -0,0 +1,12 @@
+## SECTION=system_libraries
+
+config NANOPB
+	tristate
+	select HOST_CMAKE
+	select HOST_SYSTEM_PYTHON3
+	select HOST_PROTOBUF
+	prompt "nanopb"
+	help
+	  Nanopb is a plain-C implementation of Google's Protocol Buffers data
+	  format. It is targeted at 32 bit microcontrollers, but is also fit for
+	  other embedded systems with tight memory constraints.
diff --git a/rules/nanopb.make b/rules/nanopb.make
new file mode 100644
index 000000000000..808c26b917e5
--- /dev/null
+++ b/rules/nanopb.make
@@ -0,0 +1,49 @@
+# -*-makefile-*-
+#
+# Copyright (C) 2024 by Roland Hieber <rhi@pengutronix.de>
+#
+# For further information about the PTXdist project and license conditions
+# see the README file.
+#
+
+#
+# We provide this package
+#
+PACKAGES-$(PTXCONF_NANOPB) += nanopb
+
+#
+# Paths and names
+#
+NANOPB_VERSION		:= 0.4.8
+NANOPB_MD5		:= 7c5305add7bf70b915c6eb1dc50cc20f
+NANOPB			:= nanopb-$(NANOPB_VERSION)
+NANOPB_SUFFIX		:= tar.gz
+NANOPB_URL		:= https://jpa.kapsi.fi/nanopb/download//$(NANOPB).$(NANOPB_SUFFIX)
+NANOPB_SOURCE		:= $(SRCDIR)/$(NANOPB).$(NANOPB_SUFFIX)
+NANOPB_DIR		:= $(BUILDDIR)/$(NANOPB)
+NANOPB_LICENSE		:= Zlib
+NANOPB_LICENSE_FILES	:= file://LICENSE.txt;md5=9db4b73a55a3994384112efcdb37c01f
+
+# ----------------------------------------------------------------------------
+# Prepare
+# ----------------------------------------------------------------------------
+
+NANOPB_CONF_ENV	:= $(CROSS_ENV)
+
+#
+# cmake
+#
+NANOPB_CONF_TOOL	:= cmake
+NANOPB_CONF_OPT		:= \
+	$(CROSS_CMAKE_USR)
+
+# ----------------------------------------------------------------------------
+# Target-Install
+# ----------------------------------------------------------------------------
+
+# Note: the package installs only headers, generators, and static libraries
+$(STATEDIR)/nanopb.targetinstall:
+	@$(call targetinfo)
+	@$(call touch)
+
+# vim: syntax=make
-- 
2.39.2