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# Copyright (c) 2016 Comcast Cable Communications Management, LLC.
#
# 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.
#
# Build the documentation
#
# These should be passed in by the root Makefile
WS_ROOT ?= $(CURDIR)/..
BR ?= $(WS_ROOT)/build-root
OS_ID ?= $(shell grep '^ID=' /etc/os-release | cut -f2- -d= | sed -e 's/\"//g')
# Package dependencies
DOC_DEB_DEPENDS = doxygen graphviz python-pyparsing
DOC_RPM_DEPENDS = doxygen graphviz pyparsing
# Doxygen configuration and our utility scripts
DOXY_DIR ?= $(WS_ROOT)/doxygen
# Primary source directories
DOXY_SRC_DIRECTORIES = \
vppinfra \
svm \
vlib \
vlib-api \
vnet \
vpp \
vpp-api
# Input directories and files
DOXY_INPUT ?= \
README.md \
$(DOXY_SRC_DIRECTORIES) \
plugins
# Files to exclude, from pre-Doxygen steps, eg because they're
# selectively compiled.
# Examples would be to exclude non-DPDK related sources when
# there's a DPDK equivalent that conflicts.
# These must be left-anchored paths for the regexp below to work.
DOXY_EXCLUDE ?= \
vlib/vlib/buffer.c \
vlib/example \
plugins/sample-plugin
# Generate a regexp for filenames to exclude
DOXY_EXCLUDE_REGEXP = ($(subst .,\.,$(shell echo '$(strip $(DOXY_EXCLUDE))' | sed -e 's/ /|/g')))
# Include all the normal source directories in the include file path
DOXY_INCLUDE_PATH = $(DOXY_SRC_DIRECTORIES)
# Also include any plugin directories that exist
DOXY_INCLUDE_PATH += \
$(shell find $(WS_ROOT)/plugins -maxdepth 1 -type d | sed -e 's@^$(WS_ROOT)/*@@')
# Find API header directories and include them in the header path.
# This is only useful if VPP and plugins are already built; nothing
# here depends on those targets. We don't build documentation for these
# header files, they're just added to the INCLUDE search path for Doxygen.
_vpp_br = $(shell find "$(BR)" -maxdepth 1 -type d \
'(' -name build-vpp_debug-native -o -name build-vpp-native ')' -print \
| sed -e 's@^$(WS_ROOT)/*@@' -e 1q)
ifneq ($(strip $(_vpp_br)),)
DOXY_INCLUDE_PATH += \
$(_vpp_br)/vlib-api \
$(_vpp_br)/vpp
# Also include any plugin directories that exist
DOXY_INCLUDE_PATH += \
$(shell find $(WS_ROOT)/$(_vpp_br)/plugins -maxdepth 1 -type d | sed -e 's@^$(WS_ROOT)/*@@')
endif
# Discover if we have CPP available
_cpp = $(shell which cpp)
ifneq ($(strip $(_cpp)),)
# Add whatever directories CPP normally includes to the header path
DOXY_INCLUDE_PATH += $(shell set -e; $(_cpp) -v </dev/null 2>&1 | awk 'f&&/^ /{print $$1} /^\#include/{f=1}')
endif
# Target directory for doxygen output
DOXY_OUTPUT ?= $(BR)/docs
# Siphoned fragments end up in here
SIPHON_INPUT ?= $(DOXY_OUTPUT)/siphon_fragments
# Siphoned fragements are processed into here
SIPHON_OUTPUT ?= $(DOXY_OUTPUT)/siphon_docs
# Extra document inputs that are processed in addition to DOXY_INPUT
EXTRA_DOXY_INPUT += $(SIPHON_OUTPUT)
# All the siphon types we know about
SIPHONS ?= clicmd
SIPHON_FILES = $(addprefix $(SIPHON_INPUT)/,$(addsuffix .siphon,$(SIPHONS)))
SIPHON_DOCS = $(addprefix $(SIPHON_OUTPUT)/,$(addsuffix .md,$(SIPHONS)))
$(BR)/.doxygen-bootstrap.ok:
@echo "Checking whether dependencies for Doxygen are installed..."
ifeq ($(OS_ID),ubuntu)
@set -e; inst=; \
for i in $(DOC_DEB_DEPENDS); do \
dpkg-query --show $$i >/dev/null 2>&1 || inst="$$inst $$i"; \
done; \
if [ "$$inst" ]; then sudo apt-get $(CONFIRM) $(FORCE) install $$inst; fi
@if [ ! -s /usr/lib/graphviz/config6a ]; then \
echo "Rebuidlding system Graphviz configuration."; \
sudo dot -c; \
fi
else ifneq ("$(wildcard /etc/redhat-release)","")
@sudo yum install $(CONFIRM) $(DOC_RPM_DEPENDS)
else
$(error "This option currently works only on Ubuntu or Centos systems")
endif
@touch $@
.PHONY: bootstrap-doxygen
bootstrap-doxygen: $(BR)/.doxygen-bootstrap.ok
.DELETE_ON_ERROR: $(BR)/.doxygen-siphon.dep
$(BR)/.doxygen-siphon.dep: Makefile
@echo "Building siphon dependencies..."
@set -e; rm -f "$@"; for input in $(DOXY_INPUT); do \
find "$(WS_ROOT)/$$input" -type f \
\( -name '*.[ch]' -or -name '*.dox' \) -print \
| grep -v -E '^$(WS_ROOT)/$(DOXY_EXCLUDE_REGEXP)' \
| sed -e "s/^/\$$(SIPHON_FILES): /" \
>> $@; \
done
# Include the source -> siphon dependencies
-include $(BR)/.doxygen-siphon.dep
.NOTPARALLEL: $(SIPHON_FILES)
$(SIPHON_FILES): $(DOXY_DIR)/siphon_generate.py $(BR)/.doxygen-bootstrap.ok
@rm -rf "$(SIPHON_INPUT)" "$(SIPHON_OUTPUT)"
@mkdir -p "$(SIPHON_INPUT)" "$(SIPHON_OUTPUT)"
@touch $(SIPHON_INPUT)/files
@echo "Collating source file list for siphoning..."
@for input in $(DOXY_INPUT); do \
cd "$(WS_ROOT)"; \
find "$$input" -type f \
\( -name '*.[ch]' -or -name '*.dox' \) -print \
| grep -v -E '^$(DOXY_EXCLUDE_REGEXP)' \
>> $(SIPHON_INPUT)/files; \
done
@echo "Generating siphons..."
@set -e; cd "$(WS_ROOT)"; $(DOXY_DIR)/siphon_generate.py \
--output="$(SIPHON_INPUT)" \
"@$(SIPHON_INPUT)/files"
.DELETE_ON_ERROR: $(SIPHON_DOCS)
$(SIPHON_OUTPUT)/%.md: $(SIPHON_INPUT)/%.siphon $(DOXY_DIR)/siphon_process.py
@echo "Processing siphon from $(notdir $<)..."
@set -e; cd "$(WS_ROOT)"; \
$(DOXY_DIR)/siphon_process.py --type=$(basename $(notdir $<)) \
--output="$(SIPHON_OUTPUT)" $< > $@
# This target can be used just to generate the siphoned docs
.PHONY: doxygen-siphon
doxygen-siphon: $(SIPHON_DOCS)
# Generate the doxygen docs
doxygen: $(SIPHON_DOCS)
@mkdir -p "$(DOXY_OUTPUT)"
@echo "Running Doxygen..."
set -e; cd "$(WS_ROOT)"; \
ROOT="$(WS_ROOT)" \
BUILD_ROOT="$(BR)" \
INPUT="$(addprefix $(WS_ROOT)/,$(DOXY_INPUT)) $(EXTRA_DOXY_INPUT)" \
INCLUDE_PATH="$(DOXY_INCLUDE_PATH)" \
EXCLUDE="$(DOXY_EXCLUDE)" \
HTML=YES \
VERSION="`git describe --tags --dirty`" \
doxygen $(DOXY_DIR)/doxygen.cfg
wipe-doxygen:
rm -rf "$(BR)/docs" "$(BR)/.doxygen-siphon.d"
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