# 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 # # Default target .PHONY: all all: doxygen # These should be passed in by the root Makefile WS_ROOT ?= $(CURDIR)/.. BR ?= $(WS_ROOT)/build-root # We support MacOS for docs generation ifeq ($(shell uname),Darwin) OS_ID = darwin endif # Work out the OS if we haven't already OS_ID ?= $(shell grep '^ID=' /etc/os-release | cut -f2- -d= | sed -e 's/\"//g') # Package dependencies DOC_DEB_DEPENDS = doxygen graphviz python-pyparsing python-jinja2 DOC_RPM_DEPENDS = doxygen graphviz pyparsing python-jinja2 DOC_SUSE_RPM_DEPENDS = doxygen graphviz python-pyparsing python-Jinja2 DOC_MAC_BIN_DEPENDS = doxygen dot git DOC_MAC_PY_DEPENDS = pyparsing jinja2 # Doxygen configuration and our utility scripts DOXY_DIR ?= $(WS_ROOT)/doxygen # Primary source directories DOXY_SRC ?= src DOXY_SRC_DIRECTORIES = \ $(DOXY_SRC)/vppinfra \ $(DOXY_SRC)/svm \ $(DOXY_SRC)/vlib \ $(DOXY_SRC)/vlibapi \ $(DOXY_SRC)/vlibmemory \ $(DOXY_SRC)/vlibsocket \ $(DOXY_SRC)/vnet \ $(DOXY_SRC)/vpp \ $(DOXY_SRC)/vpp-api \ $(DOXY_SRC)/examples # Input directories and files DOXY_INPUT ?= \ $(wildcard $(WS_ROOT)/*.md) \ $(wildcard $(DOXY_DIR)/*.md) \ $(DOXY_SRC_DIRECTORIES) \ $(DOXY_SRC)/plugins \ extras # Strip leading workspace path from input names DOXY_INPUT := $(subst $(WS_ROOT)/,,$(DOXY_INPUT)) # 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 ?= \ $(DOXY_SRC)/vpp-api/lua # Generate a regexp for filenames to exclude DOXY_EXCLUDE_REGEXP = ($(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) # 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 $$1} /^\#include/{f=1}') endif # Target directory for doxygen output DOXY_OUTPUT ?= $(BR)/docs # Siphoned fragments end up in here SIPHON_INPUT ?= $(DOXY_OUTPUT)/siphon_fragments # Siphoned fragements are processed into here SIPHON_OUTPUT ?= $(DOXY_OUTPUT)/siphon_docs # Extra document inputs that are processed in addition to DOXY_INPUT EXTRA_DOXY_INPUT += $(SIPHON_OUTPUT) # All the siphon types we know about SIPHONS ?= clicmd syscfg SIPHON_FILES = $(addprefix $(SIPHON_INPUT)/,$(addsuffix .siphon,$(SIPHONS))) SIPHON_DOCS = $(addprefix $(SIPHON_OUTPUT)/,$(addsuffix .md,$(SIPHONS))) SIPHON_ITEMLIST = $(addprefix $(SIPHON_OUTPUT)/,$(addsuffix .itemlist,$(filter clicmd,$(SIPHONS)))) $(BR)/.doxygen-bootstrap.ok: Makefile @echo "Checking whether dependencies for Doxygen are installed..." ifeq ($(OS_ID),ubuntu) @set -e; inst=; \ for i in $(DOC_DEB_DEPENDS); do \ dpkg-query --show $$i >/dev/null 2>&1 || inst="$$inst $$i"; \ done; \ if [ "$$inst" ]; then \ sudo apt-get update; \ sudo apt-get $(CONFIRM) $(FORCE) install $$inst; \ fi @if [ ! -s /usr/lib/graphviz/config6a ]; then \ echo "Rebuilding system Graphviz configuration."; \ sudo dot -c; \ fi else ifneq ("$(wildcard /etc/redhat-release)","") @sudo yum install $(CONFIRM) $(DOC_RPM_DEPENDS) else ifeq ($(OS_ID),darwin) @set -e; \ for bin in $(DOC_MAC_BIN_DEPENDS); do \ which -s $${bin} || (\ echo "Program '$${bin}' not found, please install it."; \ false; \ ); \ done @set -e; \ for py in $(DOC_MAC_PY_DEPENDS); do \ python -c "import $${py}" >/dev/null 2>&1 || (\ echo "Python package '$${py}' not found, please install it."; \ false; \ ); \ done else ifeq ($(OS_ID),opensuse) @sudo zypper install $(CONFIRM) $(DOC_SUSE_RPM_DEPENDS) else $(error "Building documentation currently works only on Ubuntu, CentOS, MacOS and OpenSUSE systems.") endif @touch $@ .PHONY: bootstrap-doxygen bootstrap-doxygen: $(BR)/.doxygen-bootstrap.ok .DELETE_ON_ERROR: $(BR)/.doxygen-siphon.dep $(BR)/.doxygen-siphon.dep: Makefile \ $(addprefix,$(WSROOT),$(DOXY_INPUT)) @echo "Building siphon dependencies..." @rm -f "$@"; for input in $(DOXY_INPUT); do \ [ -e "$(WS_ROOT)/$$input" ] && \ find "$(WS_ROOT)/$$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 # Generate .siphon files that contain fragments of source file that # relate to the siphons we support. .NOTPARALLEL: $(SIPHON_FILES) $(SIPHON_FILES): $(BR)/.doxygen-bootstrap.ok \ $(DOXY_DIR)/siphon-generate \ $(addprefix,$(WSROOT),$(DOXY_INPUT)) \ $(wildcard $(DOXY_DIR)/siphon/*.py) @echo "Validating source tree..." @set -e; for input in $(DOXY_INPUT); do \ if [ ! -e "$(WS_ROOT)/$$input" ]; then \ echo "ERROR: Input path '$$input' does not exist." >&2; \ exit 1; \ fi; \ done @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 '^src/examples/' \ | grep -v -E '^$(DOXY_EXCLUDE_REGEXP)' \ >> $(SIPHON_INPUT)/files; \ done @echo "Generating siphons..." @set -e; \ cd "$(WS_ROOT)"; \ $(DOXY_DIR)/siphon-generate \ --output="$(SIPHON_INPUT)" \ "@$(SIPHON_INPUT)/files" # Evaluate this to build a siphon doc output target for each desired # output type: # $(eval $(call siphon-process,file_extension,output_type_name)) define siphon-process $(SIPHON_OUTPUT)/%.$(1): $(SIPHON_INPUT)/%.siphon \ $(DOXY_DIR)/siphon-process \ $(wildcard $(DOXY_DIR)/siphon/*.py) \ $(wildcard $(DOXY_DIR)/siphon_templates/$(2)/*/*.$(1)) @echo "Processing siphon for $(2) from $$(notdir $$<)..." @set -e; \ cd "$(WS_ROOT)"; \ $(DOXY_DIR)/siphon-process \ --type=$$(basename $$(notdir $$<)) \ --format=$(2) \ --output="$$@" \ "$$<" endef # Process the .siphon source fragments and render them into doxygen flavored # markdown documentation .DELETE_ON_ERROR: $(SIPHON_DOCS) $(eval $(call siphon-process,md,markdown)) # Process the .siphon source fragments and render them into a list of cli # commands. .DELETE_ON_ERROR: $(SIPHON_ITEMLIST) $(eval $(call siphon-process,itemlist,itemlist)) # This target can be used just to generate the siphoned things .PHONY: doxygen-siphon doxygen-siphon: $(SIPHON_DOCS) $(SIPHON_ITEMLIST) # Generate the doxygen docs .PHONY: doxygen 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 $(DOXY_DIR)/doxygen.cfg .PHONY: wipe-doxygen wipe-doxygen: rm -rf "$(BR)/docs" "$(BR)/.doxygen-siphon.d" .PHONY: clean clean: wipe-doxygen