diff options
Diffstat (limited to 'build')
| -rw-r--r-- | build/external/packages/dpdk.mk | 403 | ||||
| -rw-r--r-- | build/external/patches/dpdk_20.08/0002-build-system-selective-libs.patch | 88 |
2 files changed, 220 insertions, 271 deletions
diff --git a/build/external/packages/dpdk.mk b/build/external/packages/dpdk.mk index beabf48e94e..ef84383d55a 100644 --- a/build/external/packages/dpdk.mk +++ b/build/external/packages/dpdk.mk @@ -1,4 +1,4 @@ -# Copyright (c) 2018 Cisco and/or its affiliates. +# Copyright (c) 2020 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: @@ -12,295 +12,156 @@ # limitations under the License. DPDK_PKTMBUF_HEADROOM ?= 128 -DPDK_CACHE_LINE_SIZE ?= 64 -DPDK_DOWNLOAD_DIR ?= $(DL_CACHE_DIR) DPDK_DEBUG ?= n -DPDK_AARCH64_GENERIC ?= y DPDK_MLX4_PMD ?= n DPDK_MLX5_PMD ?= n +DPDK_MLX5_COMMON_PMD ?= n DPDK_TAP_PMD ?= n DPDK_FAILSAFE_PMD ?= n +DPDK_MACHINE ?= default -DPDK_VERSION ?= 20.08 -DPDK_BASE_URL ?= http://fast.dpdk.org/rel -DPDK_TARBALL := dpdk-$(DPDK_VERSION).tar.xz -DPDK_TAR_URL := $(DPDK_BASE_URL)/$(DPDK_TARBALL) -DPDK_18.11_TARBALL_MD5_CKSUM := 04b86f4a77f4f81a7fbd26467dd2ea9f -DPDK_20.05_TARBALL_MD5_CKSUM := 7c6f3e7f7de2422775c4cba116012c4d -DPDK_20.08_TARBALL_MD5_CKSUM := 64badd32cd6bc0761befc8f2402c2148 -MACHINE=$(shell uname -m) +dpdk_version ?= 20.08 +dpdk_base_url ?= http://fast.dpdk.org/rel +dpdk_tarball := dpdk-$(dpdk_version).tar.xz +dpdk_tarball_md5sum_20.08 := 64badd32cd6bc0761befc8f2402c2148 +dpdk_tarball_md5sum := $(dpdk_tarball_md5sum_$(dpdk_version)) +dpdk_url := $(dpdk_base_url)/$(dpdk_tarball) +dpdk_tarball_strip_dirs := 1 -# replace dot with space, and if 3rd word exists we deal with stable dpdk rel -ifeq ($(word 3,$(subst ., ,$(DPDK_VERSION))),) -DPDK_SOURCE := $(B)/dpdk-$(DPDK_VERSION) -else -DPDK_SOURCE := $(B)/dpdk-stable-$(DPDK_VERSION) -endif - -ifeq ($(MACHINE),$(filter $(MACHINE),x86_64)) - AESNI ?= y - DPDK_BUILD_DEPS := ipsec-mb-install -else - AESNI ?= n -endif - -ifneq (,$(findstring clang,$(CC))) -DPDK_CC=clang -else ifneq (,$(findstring icc,$(CC))) -DPDK_CC=icc -else -DPDK_CC=gcc -endif - -############################################################################## -# Intel x86 -############################################################################## -ifeq ($(MACHINE),$(filter $(MACHINE),x86_64 i686)) -DPDK_TARGET ?= $(MACHINE)-native-linuxapp-$(DPDK_CC) -DPDK_MACHINE ?= nhm -DPDK_TUNE ?= core-avx2 - -############################################################################## -# ARM64 -############################################################################## -else ifeq ($(MACHINE),aarch64) -CROSS := -export CROSS -DPDK_TARGET ?= arm64-armv8a-linuxapp-$(DPDK_CC) -DPDK_MACHINE ?= armv8a -DPDK_TUNE ?= generic -ifeq (y, $(DPDK_AARCH64_GENERIC)) -DPDK_CACHE_LINE_SIZE := 128 -# assign aarch64 variant specific options -else -CPU_IMP_ARM = 0x41 -CPU_IMP_CAVIUM = 0x43 - -CPU_PART_ARM_CORTEX_A53 = 0xd03 -CPU_PART_ARM_CORTEX_A57 = 0xd07 -CPU_PART_ARM_CORTEX_A72 = 0xd08 -CPU_PART_ARM_CORTEX_A73 = 0xd09 - -CPU_PART_CAVIUM_THUNDERX = 0x0a1 -CPU_PART_CAVIUM_THUNDERX_81XX = 0x0a2 -CPU_PART_CAVIUM_THUNDERX_83XX = 0x0a3 +# Debug or release -MIDR_IMPLEMENTER=$(shell awk '/implementer/ {print $$4;exit}' /proc/cpuinfo) -MIDR_PARTNUM=$(shell awk '/part/ {print $$4;exit}' /proc/cpuinfo) - -ifeq ($(MIDR_IMPLEMENTER),$(CPU_IMP_ARM)) -############################################################################## -# Arm Cortex -############################################################################## -CPU_PART_ARM_TUNE := $(CPU_PART_ARM_CORTEX_A53)/cortex-a53 \ - $(CPU_PART_ARM_CORTEX_A57)/cortex-a57 \ - $(CPU_PART_ARM_CORTEX_A72)/cortex-a72 \ - $(CPU_PART_ARM_CORTEX_A73)/cortex-a73 -CPU_TUNE = $(notdir $(filter $(MIDR_PARTNUM)/%,$(CPU_PART_ARM_TUNE))) -ifneq ($(CPU_TUNE),) -DPDK_TUNE = $(CPU_TUNE) -else -$(warning Unknown Arm CPU) +DPDK_BUILD_TYPE:=release +ifeq ($(DPDK_DEBUG), y) +DPDK_BUILD_TYPE:=debug endif -else ifeq ($(MIDR_IMPLEMENTER),$(CPU_IMP_CAVIUM)) -############################################################################## -# Cavium ThunderX -############################################################################## -ifneq (,$(findstring $(MIDR_PARTNUM),$(CPU_PART_CAVIUM_THUNDERX) \ - $(CPU_PART_CAVIUM_THUNDERX_81XX) $(CPU_PART_CAVIUM_THUNDERX_83XX))) -DPDK_TARGET = arm64-thunderx-linuxapp-$(DPDK_CC) -DPDK_MACHINE = thunderx -DPDK_CACHE_LINE_SIZE := 128 -else -$(warning Unknown Cavium CPU) +DPDK_DRIVERS_DISABLED := baseband/\*, \ + bus/dpaa, \ + bus/ifpga, \ + compress/\*, \ + crypto/ccp, \ + crypto/dpaa_sec, \ + crypto/openssl, \ + event/\*, \ + mempool/dpaa, \ + net/af_packet, \ + net/bnx2x, \ + net/bonding, \ + net/ipn3ke, \ + net/liquidio, \ + net/pcap, \ + net/pfe, \ + net/sfc, \ + net/softnic, \ + net/thunderx, \ + raw/ifpga, \ + net/af_xdp + +DPDK_LIBS_DISABLED := acl, \ + bbdev, \ + bitratestats, \ + bpf, \ + cfgfile, \ + distributor, \ + efd, \ + fib, \ + flow_classify, \ + graph, \ + gro, \ + gso, \ + jobstats, \ + kni, \ + latencystats, \ + lpm, \ + member, \ + node, \ + pipeline, \ + port, \ + power, \ + rawdev, \ + rib, \ + table + +# Adjust disabled pmd and libs depending on user provided variables +ifeq ($(DPDK_MLX4_PMD), n) + DPDK_DRIVERS_DISABLED += ,net/mlx4 endif +ifeq ($(DPDK_MLX5_PMD), n) + DPDK_DRIVERS_DISABLED += ,net/mlx5 endif - -# finish of assigning aarch64 variant specific options +ifeq ($(DPDK_MLX5_COMMON_PMD), n) + DPDK_DRIVERS_DISABLED += ,common/mlx5 endif - -############################################################################## -# Unknown platform -############################################################################## -else -$(error Unknown platform) +ifeq ($(DPDK_TAP_PMD), n) + DPDK_DRIVERS_DISABLED += ,net/tap endif - -# compiler/linker custom arguments -ifeq ($(DPDK_CC),clang) -DPDK_CPU_CFLAGS := -fPIE -fPIC -else -DPDK_CPU_CFLAGS := -pie -fPIC +ifeq ($(DPDK_FAILSAFE_PMD), n) + DPDK_DRIVERS_DISABLED += ,net/failsafe endif -ifeq ($(DPDK_DEBUG),n) -DPDK_EXTRA_CFLAGS := -g -mtune=$(DPDK_TUNE) -else -DPDK_EXTRA_CFLAGS := -g -O0 -endif - -# -Wimplicit-fallthrough was introduced starting from GCC 7, -# and it requires newer version of ccache. -# Disable fallthrough warning for old ccache version. -ifeq ($(DPDK_CC),gcc) -GCC_VER_V = "7.0.0" -CCACHE_VER_V = "3.4.1" -GCC_VER = $(shell gcc --version | grep ^gcc | sed 's/^.* //g') -CCACHE_VER = $(shell ccache --version | grep ^ccache | sed 's/^.* //g') -ifeq ($(shell expr "$(GCC_VER)" ">=" "$(GCC_VER_V)"),1) -ifeq ($(shell expr "$(CCACHE_VER)" "<" "$(CCACHE_VER_V)"),1) -DPDK_EXTRA_CFLAGS += -Wimplicit-fallthrough=0 -endif -endif -endif - -DPDK_EXTRA_CFLAGS += -I$(I)/include -DPDK_EXTRA_LDFLAGS += -L$(I)/lib - -# assemble DPDK make arguments -DPDK_MAKE_ARGS := -C $(DPDK_SOURCE) -j $(JOBS) \ - T=$(DPDK_TARGET) \ - RTE_CONFIG_TEMPLATE=../custom-config \ - EXTRA_CFLAGS="$(DPDK_EXTRA_CFLAGS)" \ - EXTRA_LDFLAGS="$(DPDK_EXTRA_LDFLAGS)" \ - CPU_CFLAGS="$(DPDK_CPU_CFLAGS)" \ - DESTDIR=$(I) \ - MAKE_PAUSE=n \ - $(DPDK_MAKE_EXTRA_ARGS) - -define set -@if grep -q CONFIG_$1 $@ ; \ - then sed -i -e 's/.*\(CONFIG_$1=\).*/\1$2/' $@ ; \ - else echo CONFIG_$1=$2 >> $@ ; \ +# Sanitize DPDK_DRIVERS_DISABLED and DPDK_LIBS_DISABLED +DPDK_DRIVERS_DISABLED := $(shell echo $(DPDK_DRIVERS_DISABLED) | tr -d '\\\t ') +DPDK_LIBS_DISABLED := $(shell echo $(DPDK_LIBS_DISABLED) | tr -d '\\\t ') + +HASH := \# +# post-meson-setup snippet to alter rte_build_config.h +define dpdk_config +if grep -q RTE_$(1) $(dpdk_src_dir)/config/rte_config.h ; then \ +sed -i -e 's/$(HASH)define RTE_$(1).*/$(HASH)define RTE_$(1) $(DPDK_$(1))/' \ + $(dpdk_src_dir)/config/rte_config.h; \ +elif grep -q RTE_$(1) $(dpdk_build_dir)/rte_build_config.h ; then \ +sed -i -e 's/$(HASH)define RTE_$(1).*/$(HASH)define RTE_$(1) $(DPDK_$(1))/' \ + $(dpdk_build_dir)/rte_build_config.h; \ +else \ +echo '$(HASH)define RTE_$(1) $(DPDK_$(1))' \ + >> $(dpdk_build_dir)/rte_build_config.h ; \ fi endef -$(B)/custom-config: $(B)/.dpdk-patch.ok Makefile - @echo --- generating custom config from $(DPDK_SOURCE)/config/defconfig_$(DPDK_TARGET) --- - @cpp -undef -ffreestanding -x assembler-with-cpp $(DPDK_SOURCE)/config/defconfig_$(DPDK_TARGET) $@ - $(call set,RTE_MACHINE,$(DPDK_MACHINE)) - @# modify options - $(call set,RTE_MAX_LCORE,256) - $(call set,RTE_PKTMBUF_HEADROOM,$(DPDK_PKTMBUF_HEADROOM)) - $(call set,RTE_CACHE_LINE_SIZE,$(DPDK_CACHE_LINE_SIZE)) - $(call set,RTE_BUILD_COMBINE_LIBS,y) - $(call set,RTE_PCI_CONFIG,y) - $(call set,RTE_PCI_EXTENDED_TAG,"on") - $(call set,RTE_PCI_MAX_READ_REQUEST_SIZE,4096) - $(call set,RTE_LIBRTE_PMD_BOND,n) - $(call set,RTE_LIBRTE_IP_FRAG,y) - $(call set,RTE_LIBRTE_PMD_QAT,y) - $(call set,RTE_LIBRTE_PMD_QAT_SYM,y) - $(call set,RTE_LIBRTE_PMD_AESNI_MB,$(AESNI)) - $(call set,RTE_LIBRTE_PMD_AESNI_GCM,$(AESNI)) - $(call set,RTE_LIBRTE_MLX4_PMD,$(DPDK_MLX4_PMD)) - $(call set,RTE_LIBRTE_MLX5_PMD,$(DPDK_MLX5_PMD)) - $(call set,RTE_LIBRTE_BNXT_PMD,y) - $(call set,RTE_LIBRTE_PMD_SOFTNIC,n) - $(call set,RTE_IBVERBS_LINK_DLOPEN,y) - $(call set,RTE_LIBRTE_PMD_TAP,$(DPDK_TAP_PMD)) - $(call set,RTE_LIBRTE_GSO,$(DPDK_TAP_PMD)) - $(call set,RTE_LIBRTE_PMD_FAILSAFE,$(DPDK_FAILSAFE_PMD)) - @# not needed - $(call set,RTE_ETHDEV_RXTX_CALLBACKS,n) - $(call set,RTE_LIBRTE_CFGFILE,n) - $(call set,RTE_LIBRTE_LPM,n) - $(call set,RTE_LIBRTE_ACL,n) - $(call set,RTE_LIBRTE_JOBSTATS,n) - $(call set,RTE_LIBRTE_EFD,n) - $(call set,RTE_LIBRTE_MEMBER,n) - $(call set,RTE_LIBRTE_BITRATE,n) - $(call set,RTE_LIBRTE_LATENCY_STATS,n) - $(call set,RTE_LIBRTE_POWER,n) - $(call set,RTE_LIBRTE_DISTRIBUTOR,n) - $(call set,RTE_LIBRTE_PORT,n) - $(call set,RTE_LIBRTE_TABLE,n) - $(call set,RTE_LIBRTE_PIPELINE,n) - $(call set,RTE_LIBRTE_PMD_SOFTNIC,n) - $(call set,RTE_LIBRTE_FLOW_CLASSIFY,n) - $(call set,RTE_LIBRTE_ACL,n) - $(call set,RTE_LIBRTE_GRO,n) - $(call set,RTE_LIBRTE_KNI,n) - $(call set,RTE_LIBRTE_BPF,n) - $(call set,RTE_LIBRTE_RAWDEV,n) - $(call set,RTE_LIBRTE_PMD_IFPGA_RAWDEV,n) - $(call set,RTE_LIBRTE_IPN3KE_PMD,n) - $(call set,RTE_LIBRTE_IFPGA_BUS,n) - $(call set,RTE_LIBRTE_BBDEV,n) - $(call set,RTE_LIBRTE_BBDEV_NULL,n) - $(call set,RTE_LIBRTE_GRAPH,n) - $(call set,RTE_LIBRTE_NODE,n) - $(call set,RTE_LIBRTE_FIB,n) - $(call set,RTE_LIBRTE_RIB,n) - $(call set,RTE_TEST_PMD,n) - $(call set,RTE_KNI_KMOD,n) - $(call set,RTE_EAL_IGB_UIO,n) - @# currently broken in 18.02 - $(call set,RTE_LIBRTE_DPAA_BUS,n) - $(call set,RTE_LIBRTE_DPAA_MEMPOOL,n) - $(call set,RTE_LIBRTE_DPAA_PMD,n) - $(call set,RTE_LIBRTE_PMD_DPAA_SEC,n) - $(call set,RTE_LIBRTE_PMD_DPAA_EVENTDEV,n) - @rm -f .dpdk-config.ok - -DPDK_DOWNLOADS = $(CURDIR)/downloads/$(DPDK_TARBALL) - -$(DPDK_DOWNLOADS): - mkdir -p downloads - @if [ -e $(DPDK_DOWNLOAD_DIR)/$(DPDK_TARBALL) ] ; \ - then cp $(DPDK_DOWNLOAD_DIR)/$(DPDK_TARBALL) $@ ; \ - else curl -o $@ -LO $(DPDK_TAR_URL) ; \ - fi - @rm -f $(B)/.dpdk-download.ok - -$(B)/.dpdk-download.ok: $(DPDK_DOWNLOADS) - @mkdir -p $(B) - @openssl md5 $< | cut -f 2 -d " " - > $(B)/$(DPDK_TARBALL).md5sum - @([ "$$(<$(B)/$(DPDK_TARBALL).md5sum)" = "$(DPDK_$(DPDK_VERSION)_TARBALL_MD5_CKSUM)" ] || \ - ( echo "Bad Checksum! Please remove $< and retry" && \ - rm $(B)/$(DPDK_TARBALL).md5sum && false )) - @touch $@ - -.PHONY: dpdk-download -dpdk-download: $(B)/.dpdk-download.ok - -$(B)/.dpdk-extract.ok: $(B)/.dpdk-download.ok - @echo --- extracting $(DPDK_TARBALL) --- - @tar --directory $(B) --extract --file $(DPDK_DOWNLOADS) - @touch $@ - -.PHONY: dpdk-extract -dpdk-extract: $(B)/.dpdk-extract.ok - -$(B)/.dpdk-patch.ok: $(B)/.dpdk-extract.ok -ifneq ($(wildcard $(CURDIR)/patches/dpdk_$(DPDK_VERSION)/*.patch),) - @echo --- patching --- - @for f in $(CURDIR)/patches/dpdk_$(DPDK_VERSION)/*.patch ; do \ - echo Applying patch: $$(basename $$f) ; \ - patch -p1 -d $(DPDK_SOURCE) < $$f ; \ - done -endif - @touch $@ - -.PHONY: dpdk-patch -dpdk-patch: $(B)/.dpdk-patch.ok - -$(B)/.dpdk-config.ok: $(B)/.dpdk-patch.ok $(B)/custom-config - @make $(DPDK_MAKE_ARGS) config - @touch $@ - -.PHONY: dpdk-config -dpdk-config: $(B)/.dpdk-config.ok +DPDK_MESON_ARGS = \ + --default-library static \ + --libdir lib \ + --prefix $(dpdk_install_dir) \ + -Dtests=false \ + "-Ddisable_drivers=$(DPDK_DRIVERS_DISABLED)" \ + "-Ddisable_libs=$(DPDK_LIBS_DISABLED)" \ + -Db_pie=true \ + -Dmachine=$(DPDK_MACHINE) \ + --buildtype=$(DPDK_BUILD_TYPE) + +define dpdk_config_cmds + cd $(dpdk_build_dir) && \ + rm -rf ../dpdk-meson-venv && \ + mkdir -p ../dpdk-meson-venv && \ + python3 -m venv ../dpdk-meson-venv && \ + source ../dpdk-meson-venv/bin/activate && \ + pip3 install meson==0.54 && \ + meson setup $(dpdk_src_dir) \ + $(dpdk_build_dir) \ + $(DPDK_MESON_ARGS) \ + | tee $(dpdk_config_log) && \ + deactivate && \ + echo "DPDK post meson configuration" && \ + echo "Altering rte_build_config.h" && \ + $(call dpdk_config,PKTMBUF_HEADROOM) +endef -$(B)/.dpdk-build.ok: dpdk-config $(DPDK_BUILD_DEPS) - @if [ ! -e $(B)/.dpdk-config.ok ] ; then echo 'Please run "make config" first' && false ; fi - @rm -f $(B)/.*.install.ok #deals with build-root/Makefile line 709 - @make $(DPDK_MAKE_ARGS) install - @touch $@ +define dpdk_build_cmds + cd $(dpdk_build_dir) && \ + source ../dpdk-meson-venv/bin/activate && \ + meson compile -C . | tee $(dpdk_build_log) && \ + deactivate +endef -.PHONY: dpdk-build -dpdk-build: $(B)/.dpdk-build.ok +define dpdk_install_cmds + cd $(dpdk_build_dir) && \ + source ../dpdk-meson-venv/bin/activate && \ + meson install && \ + cd $(dpdk_install_dir)/lib && \ + echo "GROUP ( $$(ls librte*.a ) )" > libdpdk.a && \ + rm -rf librte*.so librte*.so.* dpdk/*/librte*.so dpdk/*/librte*.so.* && \ + deactivate && \ + rm -rf $(dpdk_build_dir)/../dpdk-meson-venv +endef -.PHONY: dpdk-install -dpdk-install: $(B)/.dpdk-build.ok +$(eval $(call package,dpdk)) diff --git a/build/external/patches/dpdk_20.08/0002-build-system-selective-libs.patch b/build/external/patches/dpdk_20.08/0002-build-system-selective-libs.patch new file mode 100644 index 00000000000..62094846a3e --- /dev/null +++ b/build/external/patches/dpdk_20.08/0002-build-system-selective-libs.patch @@ -0,0 +1,88 @@ +diff --git a/app/meson.build b/app/meson.build +index eb74f215a..93affefa3 100644 +--- a/app/meson.build ++++ b/app/meson.build +@@ -42,7 +42,17 @@ foreach app:apps + + subdir(name) + +- if build ++ foreach d:deps ++ if dpdk_libs_disabled.contains(d) ++ build = false ++ reason = 'missing dependency, "@0@" '.format (d) ++ endif ++ endforeach ++ ++ if not build ++ dpdk_apps_disabled += name ++ set_variable(name.underscorify() + '_disable_reason', reason) ++ else + dep_objs = [] + foreach d:deps + dep_objs += get_variable(get_option('default_library') +diff --git a/lib/meson.build b/lib/meson.build +index 3852c0156..76996544d 100644 +--- a/lib/meson.build ++++ b/lib/meson.build +@@ -44,6 +44,8 @@ if is_windows + ] # only supported libraries for windows + endif + ++disabled_libs = get_option('disable_libs').split(',') ++ + default_cflags = machine_args + default_cflags += ['-DALLOW_EXPERIMENTAL_API'] + default_cflags += ['-DALLOW_INTERNAL_API'] +@@ -78,6 +80,11 @@ foreach l:libraries + dir_name = 'librte_' + l + subdir(dir_name) + ++ if disabled_libs.contains(l) ++ build = false ++ reason = 'Explicitly disabled via build config' ++ endif ++ + if build + shared_deps = ext_deps + static_deps = ext_deps +diff --git a/meson.build b/meson.build +index 61d9a4f5f..cf04f0e0e 100644 +--- a/meson.build ++++ b/meson.build +@@ -21,6 +21,7 @@ dpdk_drivers = [] + dpdk_extra_ldflags = [] + dpdk_libs_disabled = [] + dpdk_drvs_disabled = [] ++dpdk_apps_disabled = [] + abi_version_file = files('ABI_VERSION') + + if host_machine.cpu_family().startswith('x86') +@@ -106,6 +107,14 @@ foreach class:dpdk_driver_classes + endforeach + message(output_message + '\n') + ++output_message = '\n===============\nApplications Disabled\n===============\n' ++foreach app:dpdk_apps_disabled ++ reason = get_variable(app.underscorify() + '_disable_reason') ++ output_message += app + ':\t' + reason + '\n\t' ++endforeach ++ ++message(output_message + '\n') ++ + output_message = '\n=================\nContent Skipped\n=================\n' + output_message += '\nlibs:\n\t' + foreach lib:dpdk_libs_disabled +diff --git a/meson_options.txt b/meson_options.txt +index 9bf18ab6b..d1aa46b8d 100644 +--- a/meson_options.txt ++++ b/meson_options.txt +@@ -4,6 +4,8 @@ option('armv8_crypto_dir', type: 'string', value: '', + description: 'path to the armv8_crypto library installation directory') + option('disable_drivers', type: 'string', value: '', + description: 'Comma-separated list of drivers to explicitly disable.') ++option('disable_libs', type: 'string', value: '', ++ description: 'Comma-separated list of libs to explicitly disable.') + option('drivers_install_subdir', type: 'string', value: 'dpdk/pmds-<VERSION>', + description: 'Subdirectory of libdir where to install PMDs. Defaults to using a versioned subdirectory.') + option('enable_docs', type: 'boolean', value: false, |