lwIP configuration & build files

Patch to build lwip with RTEMS Resource builder. It builds the lwip sources and creates a library.

rtems/config/4.11/net/lwip.bset

@@ -0,0 +1,20 @@
+#
+# Build set for LWIP
+#
+
+%define release 1
+
+#
+# RTEMS Version
+#
+%define rtems_version 4.11
+
+#
+# The RTEMS URL paths.
+#
+%include rtems-urls.bset
+
+#
+# Build LWIP.
+#
+net/lwip-1-1.cfg

rtems/config/net/lwip-1-1.cfg

@@ -0,0 +1,27 @@
+#
+#  LWIP MASTER
+#
+
+%if %{release} == %{nil}
+ %define release 1
+%endif
+
+%include %{_configdir}/rtems-bsp.cfg
+
+#
+# LWIP Version
+#
+%define lwip_version lwip-c2ebf5544b4268eac9b32c7f3a689ff646d96eef
+
+#Will be modified to be pointing to RTEMS repo
+%define rtems_ragu_git https://raw.githubusercontent.com/ragunath3252/lwip-nodrv/master
+#
+# Patch for RTEMS support.
+#
+%patch add lwip %{rtems_ragu_git}/rtems.patch
+%hash  md5 rtems.patch 489c0def3a89e538fb526a5396bf27ca
+
+#
+# LWIP Build configuration
+#
+%include %{_configdir}/lwip-1.cfg