libiec61850: add recipe for libiec61850

IEC 61850 is an international standard for communication systems in
Substation Automation Systems (SAS) and management of Decentralized
Energy Resources (DER). It is seen as one of the communication
standards of the emerging Smart Grid.

Add two upstream patch fixing build issues with musl libc.

Enable the libiec61850 python binding (pyiec61850) that require a fix
to find the correct PYTHON_SITE_DIR path while cross-compiling.

Signed-off-by: Romain Naour <romain.naour@smile.fr>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

4 files changed, 141 insertions, 0 deletions

diff --git a/meta-networking/recipes-connectivity/libiec61850/files/0001-use-poll.h-instead-of-sys-poll.h.patch b/meta-networking/recipes-connectivity/libiec61850/files/0001-use-poll.h-instead-of-sys-poll.h.patch
new file mode 100644
index 000000000..a04473d21
--- /dev/null
+++ b/meta-networking/recipes-connectivity/libiec61850/files/0001-use-poll.h-instead-of-sys-poll.h.patch
@@ -0,0 +1,33 @@
+From 4cad505fc98240eb66eaabfae61a9694f8158dda Mon Sep 17 00:00:00 2001
+From: Romain Naour <romain.naour@smile.fr>
+Date: Tue, 7 Apr 2020 20:58:37 +0200
+Subject: [PATCH] use <poll.h> instead of <sys/poll.h>
+
+The manpage of poll(2) states that the prototype of poll is defined
+in <poll.h>. Use that header file instead of <sys/poll.h> to allow
+compilation against musl-libc.
+
+Upstream status: Pending
+https://github.com/mz-automation/libiec61850/pull/228
+
+Signed-off-by: Romain Naour <romain.naour@smile.fr>
+---
+ hal/ethernet/linux/ethernet_linux.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/hal/ethernet/linux/ethernet_linux.c b/hal/ethernet/linux/ethernet_linux.c
+index c3ab2e2..9aa5c28 100644
+--- a/hal/ethernet/linux/ethernet_linux.c
++++ b/hal/ethernet/linux/ethernet_linux.c
+@@ -23,7 +23,7 @@
+ 
+ #include <sys/socket.h>
+ #include <sys/ioctl.h>
+-#include <sys/poll.h>
++#include <poll.h>
+ #include <linux/if_packet.h>
+ #include <linux/if_ether.h>
+ #include <linux/if_arp.h>
+-- 
+2.21.1
+
diff --git a/meta-networking/recipes-connectivity/libiec61850/files/0002-serial_port_linux-Add-missing-include-sys-time.h.patch b/meta-networking/recipes-connectivity/libiec61850/files/0002-serial_port_linux-Add-missing-include-sys-time.h.patch
new file mode 100644
index 000000000..e1b8ca15b
--- /dev/null
+++ b/meta-networking/recipes-connectivity/libiec61850/files/0002-serial_port_linux-Add-missing-include-sys-time.h.patch
@@ -0,0 +1,32 @@
+From 661405eb6066b67dfe51d5ff9635e29f86bdd238 Mon Sep 17 00:00:00 2001
+From: Romain Naour <romain.naour@smile.fr>
+Date: Tue, 7 Apr 2020 21:02:54 +0200
+Subject: [PATCH] serial_port_linux: Add missing include sys/time.h
+
+POSIX says `struct timeval` is defined if <sys/time.h> is included.
+
+Adding this header allow to build against musl-libc.
+
+Upstream status: Pending
+https://github.com/mz-automation/libiec61850/pull/228
+
+Signed-off-by: Romain Naour <romain.naour@smile.fr>
+---
+ hal/serial/linux/serial_port_linux.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/hal/serial/linux/serial_port_linux.c b/hal/serial/linux/serial_port_linux.c
+index e6308c0..15e5794 100644
+--- a/hal/serial/linux/serial_port_linux.c
++++ b/hal/serial/linux/serial_port_linux.c
+@@ -29,6 +29,7 @@
+ #include <termios.h>
+ #include <fcntl.h>
+ #include <unistd.h>
++#include <sys/time.h>
+ 
+ #include "hal_serial.h"
+ #include "hal_time.h"
+-- 
+2.21.1
+
diff --git a/meta-networking/recipes-connectivity/libiec61850/files/0003-pyiec61850-don-t-break-CMAKE_INSTALL_PATH-by-trying-.patch b/meta-networking/recipes-connectivity/libiec61850/files/0003-pyiec61850-don-t-break-CMAKE_INSTALL_PATH-by-trying-.patch
new file mode 100644
index 000000000..65567610b
--- /dev/null
+++ b/meta-networking/recipes-connectivity/libiec61850/files/0003-pyiec61850-don-t-break-CMAKE_INSTALL_PATH-by-trying-.patch
@@ -0,0 +1,37 @@
+From 89f326a427c7ad13c115e2d3f2ac27807aa5a795 Mon Sep 17 00:00:00 2001
+From: Romain Naour <romain.naour@smile.fr>
+Date: Fri, 10 Jul 2020 17:08:34 +0200
+Subject: [PATCH] pyiec61850: don't break CMAKE_INSTALL_PATH by trying to find
+ python modules install path (site-packages)
+
+https://stackoverflow.com/questions/1242904/finding-python-site-packages-directory-with-cmake
+
+Signed-off-by: Romain Naour <romain.naour@smile.fr>
+---
+ pyiec61850/CMakeLists.txt | 11 ++---------
+ 1 file changed, 2 insertions(+), 9 deletions(-)
+
+diff --git a/pyiec61850/CMakeLists.txt b/pyiec61850/CMakeLists.txt
+index 159ef4b..d1732a1 100644
+--- a/pyiec61850/CMakeLists.txt
++++ b/pyiec61850/CMakeLists.txt
+@@ -31,14 +31,7 @@ endif()
+ 
+ swig_link_libraries(iec61850 ${PYTHON_LIBRARIES} ${LIBS})
+ 
+-# Finding python modules install path
+-execute_process(
+-       COMMAND ${PYTHON_EXECUTABLE} -c
+-       "from distutils.sysconfig import get_python_lib; import sys; sys.stdout.write(get_python_lib())"
+-       OUTPUT_VARIABLE PYTHON_SITE_DIR
+-)
+-
+-install(FILES ${CMAKE_CURRENT_BINARY_DIR}/iec61850.py DESTINATION ${PYTHON_SITE_DIR})
+-install(TARGETS _iec61850 LIBRARY DESTINATION ${PYTHON_SITE_DIR})
++install(FILES ${CMAKE_CURRENT_BINARY_DIR}/iec61850.py DESTINATION /usr/lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages)
++install(TARGETS _iec61850 LIBRARY DESTINATION /usr/lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages)
+ 
+ add_test(test_pyiec61850 ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_LIST_DIR}/test_pyiec61850.py)
+-- 
+2.21.3
+
diff --git a/meta-networking/recipes-connectivity/libiec61850/libiec61850_1.4.2.1.bb b/meta-networking/recipes-connectivity/libiec61850/libiec61850_1.4.2.1.bb
new file mode 100644
index 000000000..18cb0cd8e
--- /dev/null
+++ b/meta-networking/recipes-connectivity/libiec61850/libiec61850_1.4.2.1.bb
@@ -0,0 +1,39 @@
+SUMMARY = "Open source iec61850 implementation"
+DESCRIPTION = "IEC 61850 is an international standard for \
+communication systems in Substation Automation Systems \
+(SAS) and management of Decentralized Energy Resources \
+(DER). It is seen as one of the communication standards \
+of the emerging Smart Grid. \
+The project libIEC61850 provides a server and client \
+library for the IEC 61850/MMS, IEC 61850/GOOSE and IEC \
+61850-9-2/Sampled Values communication protocols \
+written in C. It is available under the GPLv3 license."
+HOMEPAGE = "http://libiec61850.com"
+SECTION = "console/network"
+LICENSE = "GPLv3"
+LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
+DEPENDS = "swig-native python3"
+SRCREV = "d798814fb463115a835da597535a625b68a39cff"
+
+SRC_URI = "git://github.com/mz-automation/${BPN}.git;branch=v1.4 \
+           file://0001-use-poll.h-instead-of-sys-poll.h.patch \
+           file://0002-serial_port_linux-Add-missing-include-sys-time.h.patch \
+           file://0003-pyiec61850-don-t-break-CMAKE_INSTALL_PATH-by-trying-.patch \
+"
+
+S = "${WORKDIR}/git"
+
+inherit cmake pkgconfig python3-dir python3native siteinfo
+
+EXTRA_OECMAKE = " \
+    -DBUILD_EXAMPLES=OFF \
+    -DBUILD_PYTHON_BINDINGS=ON \
+"
+
+RDEPENDS_${PN}-python = " python3-core "
+RDEPENDS_${PN} = " python3-core "
+
+FILES_${PN} += " \
+    ${libdir}/${PYTHON_DIR}/site-packages/iec61850.py \
+    ${libdir}/${PYTHON_DIR}/site-packages/_iec61850.so \
+"