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Building VPP Documents

These instructions show how the VPP documentation sources are built.

To build your files, you can either Create a Virtual Environment using
virtualenv, which installs all the required applications for you.

Create a Virtual Environment using virtualenv
============================

For more information on how to use the Python virtual environment check
out https://packaging.python.org/guides/installing-using-pip-and-virtualenv

Get the Documents
------------------------------

For example start with a clone of the vpp.

$ git clone https://gerrit.fd.io/r/vpp
$ cd vpp

Install the virtual environment
----------------------------------------------

$ python -m pip install --user virtualenv 
$ python -m virtualenv env
$ source env/bin/activate
$ pip install -r docs/etc/requirements.txt
$ cd docs

Which installs all the required applications into it's own, isolated,
virtual environment, so as to not interfere with other builds that may
use different versions of software.

Build the html files
----------------------------

Be sure you are in your vpp/docs directory, since that is where Sphinx will
look for your conf.py file, and build the documents into an index.html file

$ make html

View the results
------------------------

If there are no errors during the build process, you should now have an
index.html file in your vpp/docs/_build/html directory, which you can
then view in your browser.
#ae81ff } /* Literal.Number.Integer */ .highlight .mo { color: #ae81ff } /* Literal.Number.Oct */ .highlight .sa { color: #e6db74 } /* Literal.String.Affix */ .highlight .sb { color: #e6db74 } /* Literal.String.Backtick */ .highlight .sc { color: #e6db74 } /* Literal.String.Char */ .highlight .dl { color: #e6db74 } /* Literal.String.Delimiter */ .highlight .sd { color: #e6db74 } /* Literal.String.Doc */ .highlight .s2 { color: #e6db74 } /* Literal.String.Double */ .highlight .se { color: #ae81ff } /* Literal.String.Escape */ .highlight .sh { color: #e6db74 } /* Literal.String.Heredoc */ .highlight .si { color: #e6db74 } /* Literal.String.Interpol */ .highlight .sx { color: #e6db74 } /* Literal.String.Other */ .highlight .sr { color: #e6db74 } /* Literal.String.Regex */ .highlight .s1 { color: #e6db74 } /* Literal.String.Single */ .highlight .ss { color: #e6db74 } /* Literal.String.Symbol */ .highlight .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #a6e22e } /* Name.Function.Magic */ .highlight .vc { color: #f8f8f2 } /* Name.Variable.Class */ .highlight .vg { color: #f8f8f2 } /* Name.Variable.Global */ .highlight .vi { color: #f8f8f2 } /* Name.Variable.Instance */ .highlight .vm { color: #f8f8f2 } /* Name.Variable.Magic */ .highlight .il { color: #ae81ff } /* Literal.Number.Integer.Long */ } @media (prefers-color-scheme: light) { .highlight .hll { background-color: #ffffcc } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ }
# Copyright (c) 2016 Cisco and/or its affiliates.
# Licensed 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.

WS_ROOT=$(CURDIR)
BR=$(WS_ROOT)/build-root
CCACHE_DIR?=$(BR)/.ccache
GDB?=gdb
PLATFORM?=vpp

MINIMAL_STARTUP_CONF="unix { interactive }"

GDB_ARGS= -ex "handle SIGUSR1 noprint nostop"

#
# OS Detection
#
# We allow Darwin (MacOS) for docs generation; VPP build will still fail.
ifneq ($(shell uname),Darwin)
OS_ID        = $(shell grep '^ID=' /etc/os-release | cut -f2- -d= | sed -e 's/\"//g')
OS_VERSION_ID= $(shell grep '^VERSION_ID=' /etc/os-release | cut -f2- -d= | sed -e 's/\"//g')
endif

DEB_DEPENDS  = curl build-essential autoconf automake bison libssl-dev ccache
DEB_DEPENDS += debhelper dkms git libtool libganglia1-dev libapr1-dev dh-systemd
DEB_DEPENDS += libconfuse-dev git-review exuberant-ctags cscope
DEB_DEPENDS += python-dev
ifeq ($(OS_VERSION_ID),14.04)
	DEB_DEPENDS += openjdk-8-jdk-headless
else
	DEB_DEPENDS += default-jdk-headless
endif

RPM_DEPENDS_GROUPS = 'Development Tools'
RPM_DEPENDS  = redhat-lsb glibc-static java-1.8.0-openjdk-devel yum-utils
RPM_DEPENDS += openssl-devel https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm apr-devel
RPM_DEPENDS += python-devel
EPEL_DEPENDS = libconfuse-devel ganglia-devel

ifneq ($(wildcard $(STARTUP_DIR)/startup.conf),)
        STARTUP_CONF ?= $(STARTUP_DIR)/startup.conf
endif

ifeq ($(findstring y,$(UNATTENDED)),y)
CONFIRM=-y
FORCE=--force-yes
endif

.PHONY: help bootstrap wipe wipe-release build build-release rebuild rebuild-release
.PHONY: run run-release debug debug-release build-vat run-vat pkg-deb pkg-rpm
.PHONY: ctags cscope plugins plugins-release build-vpp-api
.PHONY: test test-debug retest retest-debug

help:
	@echo "Make Targets:"
	@echo " bootstrap           - prepare tree for build"
	@echo " install-dep         - install software dependencies"
	@echo " wipe                - wipe all products of debug build "
	@echo " wipe-release        - wipe all products of release build "
	@echo " build               - build debug binaries"
	@echo " build-release       - build release binaries"
	@echo " plugins             - build debug plugin binaries"
	@echo " plugins-release     - build release plugin binaries"
	@echo " rebuild             - wipe and build debug binares"
	@echo " rebuild-release     - wipe and build release binares"
	@echo " run                 - run debug binary"
	@echo " run-release         - run release binary"
	@echo " debug               - run debug binary with debugger"
	@echo " debug-release       - run release binary with debugger"
	@echo " test                - build and run functional tests"
	@echo " test-debug          - build and run functional tests (debug build)"
	@echo " retest              - run functional tests"
	@echo " retest-debug        - run functional tests (debug build)"
	@echo " build-vat           - build vpp-api-test tool"
	@echo " build-vpp-api       - build vpp-api"
	@echo " run-vat             - run vpp-api-test tool"
	@echo " pkg-deb             - build DEB packages"
	@echo " pkg-rpm             - build RPM packages"
	@echo " ctags               - (re)generate ctags database"
	@echo " gtags               - (re)generate gtags database"
	@echo " cscope              - (re)generate cscope database"
	@echo " checkstyle          - check coding style"
	@echo " fixstyle            - fix coding style"
	@echo " doxygen             - (re)generate documentation"
	@echo " bootstrap-doxygen   - setup Doxygen dependencies"
	@echo " wipe-doxygen        - wipe all generated documentation"
	@echo ""
	@echo "Make Arguments:"
	@echo " V=[0|1]             - set build verbosity level"
	@echo " STARTUP_CONF=<path> - startup configuration file"
	@echo "                       (e.g. /etc/vpp/startup.conf)"
	@echo " STARTUP_DIR=<path>  - startup drectory (e.g. /etc/vpp)"
	@echo "                       It also sets STARTUP_CONF if"
	@echo "                       startup.conf file is present"
	@echo " GDB=<path>          - gdb binary to use for debugging"
	@echo " PLATFORM=<name>     - target platform. default is vpp"
	@echo " TEST=<name>         - only run specific test"
	@echo ""
	@echo "Current Argumernt Values:"
	@echo " V            = $(V)"
	@echo " STARTUP_CONF = $(STARTUP_CONF)"
	@echo " STARTUP_DIR  = $(STARTUP_DIR)"
	@echo " GDB          = $(GDB)"
	@echo " PLATFORM     = $(PLATFORM)"
	@echo " DPDK_VERSION = $(DPDK_VERSION)"

$(BR)/.bootstrap.ok:
ifeq ($(OS_ID),ubuntu)
	@MISSING=$$(apt-get install -y -qq -s $(DEB_DEPENDS) | grep "^Inst ") ; \
	if [ -n "$$MISSING" ] ; then \
	  echo "\nPlease install missing packages: \n$$MISSING\n" ; \
	  echo "by executing \"make install-dep\"\n" ; \
	  exit 1 ; \
	fi ; \
	exit 0
endif
	@echo "SOURCE_PATH = $(WS_ROOT)"                   > $(BR)/build-config.mk
	@echo "#!/bin/bash\n"                              > $(BR)/path_setup
	@echo 'export PATH=$(BR)/tools/ccache-bin:$$PATH' >> $(BR)/path_setup
	@echo 'export PATH=$(BR)/tools/bin:$$PATH'        >> $(BR)/path_setup
	@echo 'export CCACHE_DIR=$(CCACHE_DIR)'           >> $(BR)/path_setup

ifeq ("$(wildcard /usr/bin/ccache )","")
	@echo "WARNING: Please install ccache AYEC and re-run this script"
else
	@rm -rf $(BR)/tools/ccache-bin
	@mkdir -p $(BR)/tools/ccache-bin
	@ln -s /usr/bin/ccache $(BR)/tools/ccache-bin/gcc
	@ln -s /usr/bin/ccache $(BR)/tools/ccache-bin/g++
endif
	@make -C $(BR) V=$(V) is_build_tool=yes vppapigen-install
	@touch $@

bootstrap: $(BR)/.bootstrap.ok

install-dep:
ifeq ($(OS_ID),ubuntu)
ifeq ($(OS_VERSION_ID),14.04)
	@sudo -E apt-get $(CONFIRM) $(FORCE) install software-properties-common
	@sudo -E add-apt-repository ppa:openjdk-r/ppa $(CONFIRM)
	@sudo -E apt-get update
endif
	@sudo -E apt-get $(CONFIRM) $(FORCE) install $(DEB_DEPENDS)
else ifneq ("$(wildcard /etc/redhat-release)","")
	@sudo yum groupinstall $(CONFIRM) $(RPM_DEPENDS_GROUPS)
	@sudo yum install $(CONFIRM) $(RPM_DEPENDS)
	@sudo yum install $(CONFIRM) --enablerepo=epel $(EPEL_DEPENDS)
	@sudo debuginfo-install $(CONFIRM) glibc-2.17-106.el7_2.4.x86_64 openssl-libs-1.0.1e-51.el7_2.4.x86_64 zlib-1.2.7-15.el7.x86_64
else
	$(error "This option currently works only on Ubuntu or Centos systems")
endif

define make
	@make -C $(BR) PLATFORM=$(PLATFORM) TAG=$(1) $(2)
endef

build: $(BR)/.bootstrap.ok
	$(call make,$(PLATFORM)_debug,vpp-install)

wipe: $(BR)/.bootstrap.ok
	$(call make,$(PLATFORM)_debug,vpp-wipe)

rebuild: wipe build

build-release: $(BR)/.bootstrap.ok
	$(call make,$(PLATFORM),vpp-install)

wipe-release: $(BR)/.bootstrap.ok
	$(call make,$(PLATFORM),vpp-wipe)

rebuild-release: wipe-release build-release

plugins: $(BR)/.bootstrap.ok
	$(call make,$(PLATFORM)_debug,plugins-install)

plugins-release: $(BR)/.bootstrap.ok
	$(call make,$(PLATFORM),plugins-install)

build-vpp-api: $(BR)/.bootstrap.ok
	$(call make,$(PLATFORM)_debug,vpp-api-install)

define test
	@make -C test \
	  VPP_TEST_BIN=$(BR)/install-$(1)-native/vpp/bin/vpp \
	  VPP_TEST_API_TEST_BIN=$(BR)/install-$(1)-native/vpp-api-test/bin/vpp_api_test \
	  VPP_TEST_PLUGIN_PATH=$(BR)/install-$(1)-native/plugins/lib64/vpp_plugins \
	  V=$(V) TEST=$(TEST)
endef

test: bootstrap
ifeq ($(OS_ID),ubuntu)
	@if ! (dpkg -l python-dev python-scapy &> /dev/null); then \
	  sudo -E apt-get $(CONFIRM) $(FORCE) install python-dev python-scapy; \
	fi
endif
	@make -C $(BR) PLATFORM=vpp_lite TAG=vpp_lite vpp-api-install plugins-install vpp-install vpp-api-test-install
	$(call test,vpp_lite)

test-debug: bootstrap
ifeq ($(OS_ID),ubuntu)
	@if ! (dpkg -l python-dev python-scapy &> /dev/null); then \
	  sudo -E apt-get $(CONFIRM) $(FORCE) install python-dev python-scapy; \
	fi
endif
	@make -C $(BR) PLATFORM=vpp_lite TAG=vpp_lite_debug vpp-api-install plugins-install vpp-install vpp-api-test-install
	$(call test,vpp_lite_debug)

retest:
	$(call test,vpp_lite)

retest-debug:
	$(call test,vpp_lite_debug)

STARTUP_DIR ?= $(PWD)
ifeq ("$(wildcard $(STARTUP_CONF))","")
define run
	@echo "WARNING: STARTUP_CONF not defined or file doesn't exist."
	@echo "         Running with minimal startup config: $(MINIMAL_STARTUP_CONF)\n"
	@cd $(STARTUP_DIR) && \
	  sudo $(2) $(1)/vpp/bin/vpp $(MINIMAL_STARTUP_CONF) plugin_path $(1)/plugins/lib64/vpp_plugins
endef
else
define run
	@cd $(STARTUP_DIR) && \
	  sudo $(2) $(1)/vpp/bin/vpp $(shell cat $(STARTUP_CONF) | sed -e 's/#.*//') plugin_path $(1)/plugins/lib64/vpp_plugins
endef
endif

%.files: .FORCE
	@find . \( -name '*\.[chyS]' -o -name '*\.java' -o -name '*\.lex' \) -and \
		\( -not -path './build-root*' -o -path \
		'./build-root/build-vpp_debug-native/dpdk*' \) > $@

.FORCE:

run:
	$(call run, $(BR)/install-$(PLATFORM)_debug-native)

run-release:
	$(call run, $(BR)/install-$(PLATFORM)-native)

debug:
	$(call run, $(BR)/install-$(PLATFORM)_debug-native,$(GDB) $(GDB_ARGS) --args)

debug-release:
	$(call run, $(BR)/install-$(PLATFORM)-native,$(GDB) $(GDB_ARGS) --args)

build-vat:
	$(call make,$(PLATFORM)_debug,vpp-api-test-install)

run-vat:
	@sudo $(BR)/install-$(PLATFORM)_debug-native/vpp-api-test/bin/vpp_api_test

pkg-deb:
	$(call make,$(PLATFORM),install-deb)

pkg-rpm:
	$(call make,$(PLATFORM),install-rpm)

ctags: ctags.files
	@ctags --totals --tag-relative -L $<
	@rm $<

gtags: ctags
	@gtags --gtagslabel=ctags

cscope: cscope.files
	@cscope -b -q -v

checkstyle:
	@build-root/scripts/checkstyle.sh

fixstyle:
	@build-root/scripts/checkstyle.sh --fix

#
# Build the documentation
#

# Doxygen configuration and our utility scripts
export DOXY_DIR ?= $(WS_ROOT)/doxygen

define make-doxy
	@OS_ID="$(OS_ID)" WS_ROOT="$(WS_ROOT)" BR="$(BR)" make -C $(DOXY_DIR) $@
endef

.PHONY: bootstrap-doxygen doxygen wipe-doxygen

bootstrap-doxygen:
	$(call make-doxy)

doxygen:
	$(call make-doxy)

wipe-doxygen:
	$(call make-doxy)