[PATCH v2 2/2] libyang: New dependency for frr build

[Adolf Belka <adolf.belka@ipfire.org>]

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- Impementation of libyang-2.0.7 as a dependency for the build of frr
- Creation of rootfile with all entries commented out so that it is only used for the build
   libyang is a YANG data modelling language parser and toolkit written (and providing API)
   in C.In the future if there is demand to use these functions in frr then this package
   may need to be moved from a build only option to a dependency for frr providing the
   yang libraries.
- Added into make.sh just before frr

Signed-off-by: Adolf Belka <adolf.belka(a)ipfire.org>
---
 config/rootfiles/common/libyang | 31 ++++++++++++
 lfs/libyang                     | 88 +++++++++++++++++++++++++++++++++
 make.sh                         |  1 +
 3 files changed, 120 insertions(+)
 create mode 100644 config/rootfiles/common/libyang
 create mode 100644 lfs/libyang

diff --git a/config/rootfiles/common/libyang b/config/rootfiles/common/libyang
new file mode 100644
index 000000000..433b09fc8
--- /dev/null
+++ b/config/rootfiles/common/libyang
@@ -0,0 +1,31 @@
+#usr/bin/yanglint
+#usr/bin/yangre
+#usr/include/libyang
+#usr/include/libyang/config.h
+#usr/include/libyang/context.h
+#usr/include/libyang/dict.h
+#usr/include/libyang/in.h
+#usr/include/libyang/libyang.h
+#usr/include/libyang/log.h
+#usr/include/libyang/out.h
+#usr/include/libyang/parser_data.h
+#usr/include/libyang/parser_schema.h
+#usr/include/libyang/plugins.h
+#usr/include/libyang/plugins_exts.h
+#usr/include/libyang/plugins_exts_compile.h
+#usr/include/libyang/plugins_exts_print.h
+#usr/include/libyang/plugins_types.h
+#usr/include/libyang/printer_data.h
+#usr/include/libyang/printer_schema.h
+#usr/include/libyang/set.h
+#usr/include/libyang/tree.h
+#usr/include/libyang/tree_data.h
+#usr/include/libyang/tree_edit.h
+#usr/include/libyang/tree_schema.h
+#usr/include/libyang/version.h
+#usr/lib/libyang.so
+#usr/lib/libyang.so.2
+#usr/lib/libyang.so.2.1.4
+#usr/lib/pkgconfig
+#usr/lib/pkgconfig/libyang.pc
+#usr/share/man/man1/yanglint.1
diff --git a/lfs/libyang b/lfs/libyang
new file mode 100644
index 000000000..0d7149333
--- /dev/null
+++ b/lfs/libyang
@@ -0,0 +1,88 @@
+###############################################################################
+#                                                                             #
+# IPFire.org - A linux based firewall                                         #
+# Copyright (C) 2007-2018  IPFire Team  <info(a)ipfire.org>                     #
+#                                                                             #
+# This program is free software: you can redistribute it and/or modify        #
+# it under the terms of the GNU General Public License as published by        #
+# the Free Software Foundation, either version 3 of the License, or           #
+# (at your option) any later version.                                         #
+#                                                                             #
+# This program is distributed in the hope that it will be useful,             #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
+# GNU General Public License for more details.                                #
+#                                                                             #
+# You should have received a copy of the GNU General Public License           #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
+#                                                                             #
+###############################################################################
+
+###############################################################################
+# Definitions
+###############################################################################
+
+include Config
+
+VER        = 2.0.7
+
+THISAPP    = libyang-$(VER)
+DL_FILE    = $(THISAPP).tar.gz
+DL_FROM    = $(URL_IPFIRE)
+DIR_APP    = $(DIR_SRC)/$(THISAPP)
+TARGET     = $(DIR_INFO)/$(THISAPP)
+
+DEPS       =
+
+CFLAGS    += -fcommon
+
+###############################################################################
+# Top-level Rules
+###############################################################################
+
+objects = $(DL_FILE)
+
+$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
+
+$(DL_FILE)_MD5 = 012ad174525527d5a5badfe91ddb8694
+
+install : $(TARGET)
+
+check : $(patsubst %,$(DIR_CHK)/%,$(objects))
+
+download :$(patsubst %,$(DIR_DL)/%,$(objects))
+
+md5 : $(subst %,%_MD5,$(objects))
+
+dist: 
+	@$(PAK)
+
+###############################################################################
+# Downloading, checking, md5sum
+###############################################################################
+
+$(patsubst %,$(DIR_CHK)/%,$(objects)) :
+	@$(CHECK)
+
+$(patsubst %,$(DIR_DL)/%,$(objects)) :
+	@$(LOAD)
+
+$(subst %,%_MD5,$(objects)) :
+	@$(MD5)
+
+###############################################################################
+# Installation Details
+###############################################################################
+
+$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
+	@$(PREBUILD)
+	@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
+	$(UPDATE_AUTOMAKE)
+	cd $(DIR_APP) && mkdir build
+	cd $(DIR_APP)/build && cmake $(DIR_APP) \
+	                    -DCMAKE_INSTALL_PREFIX=/usr
+	cd $(DIR_APP)/build && make $(MAKETUNING)
+	cd $(DIR_APP)/build && make install
+	@rm -rf $(DIR_APP)
+	@$(POSTBUILD)
+
diff --git a/make.sh b/make.sh
index a44a6e4bc..8b97b24df 100755
--- a/make.sh
+++ b/make.sh
@@ -1574,6 +1574,7 @@ buildipfire() {
   lfsmake2 ipset
   lfsmake2 dnsdist
   lfsmake2 bird
+  lfsmake2 libyang
   lfsmake2 frr
   lfsmake2 dmidecode
   lfsmake2 mcelog
-- 
2.33.0