[dpdk-dev] [PATCH v3 1/9] config: change ABI versioning to global
Anatoly Burakov
anatoly.burakov at intel.com
Wed Oct 16 19:03:36 CEST 2019
From: Marcin Baran <marcinx.baran at intel.com>
As per new ABI policy, all of the libraries are now versioned using
one global ABI version. Changes in this patch implement the
necessary steps to enable that.
Signed-off-by: Marcin Baran <marcinx.baran at intel.com>
Signed-off-by: Pawel Modrak <pawelx.modrak at intel.com>
Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
---
Notes:
v3:
- Removed Windows support from Makefile changes
- Removed unneeded path conversions from meson files
buildtools/meson.build | 2 ++
config/ABI_VERSION | 1 +
config/meson.build | 5 +++--
drivers/meson.build | 20 ++++++++++++--------
lib/meson.build | 18 +++++++++++-------
meson_options.txt | 2 --
mk/rte.lib.mk | 13 ++++---------
7 files changed, 33 insertions(+), 28 deletions(-)
create mode 100644 config/ABI_VERSION
diff --git a/buildtools/meson.build b/buildtools/meson.build
index 32c79c1308..78ce69977d 100644
--- a/buildtools/meson.build
+++ b/buildtools/meson.build
@@ -12,3 +12,5 @@ if python3.found()
else
map_to_def_cmd = ['meson', 'runpython', files('map_to_def.py')]
endif
+
+is_experimental_cmd = [find_program('grep', 'findstr'), '^DPDK_']
diff --git a/config/ABI_VERSION b/config/ABI_VERSION
new file mode 100644
index 0000000000..9a7c1e503f
--- /dev/null
+++ b/config/ABI_VERSION
@@ -0,0 +1 @@
+20.0
diff --git a/config/meson.build b/config/meson.build
index a27f731f85..3cfc02406c 100644
--- a/config/meson.build
+++ b/config/meson.build
@@ -17,7 +17,8 @@ endforeach
# set the major version, which might be used by drivers and libraries
# depending on the configuration options
pver = meson.project_version().split('.')
-major_version = '@0 at .@1@'.format(pver.get(0), pver.get(1))
+abi_version = run_command(find_program('cat', 'more'),
+ files('ABI_VERSION')).stdout().strip()
# extract all version information into the build configuration
dpdk_conf.set('RTE_VER_YEAR', pver.get(0).to_int())
@@ -37,7 +38,7 @@ endif
pmd_subdir_opt = get_option('drivers_install_subdir')
if pmd_subdir_opt.contains('<VERSION>')
- pmd_subdir_opt = major_version.join(pmd_subdir_opt.split('<VERSION>'))
+ pmd_subdir_opt = abi_version.join(pmd_subdir_opt.split('<VERSION>'))
endif
driver_install_path = join_paths(get_option('libdir'), pmd_subdir_opt)
eal_pmd_path = join_paths(get_option('prefix'), driver_install_path)
diff --git a/drivers/meson.build b/drivers/meson.build
index 2ed2e95411..fd628d9587 100644
--- a/drivers/meson.build
+++ b/drivers/meson.build
@@ -110,12 +110,19 @@ foreach class:dpdk_driver_classes
output: out_filename,
depends: [pmdinfogen, tmp_lib])
- if get_option('per_library_versions')
- lib_version = '@0 at .1'.format(version)
- so_version = '@0@'.format(version)
+ version_map = '@0@/@1@/@2 at _version.map'.format(
+ meson.current_source_dir(),
+ drv_path, lib_name)
+
+ is_experimental = run_command(is_experimental_cmd,
+ files(version_map)).returncode()
+
+ if is_experimental != 0
+ lib_version = '0.1'
+ so_version = '0'
else
- lib_version = major_version
- so_version = major_version
+ lib_version = abi_version
+ so_version = abi_version
endif
# now build the static driver
@@ -128,9 +135,6 @@ foreach class:dpdk_driver_classes
install: true)
# now build the shared driver
- version_map = '@0@/@1@/@2 at _version.map'.format(
- meson.current_source_dir(),
- drv_path, lib_name)
shared_lib = shared_library(lib_name,
sources,
objects: objs,
diff --git a/lib/meson.build b/lib/meson.build
index e5ff838934..e626da778c 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -97,12 +97,18 @@ foreach l:libraries
cflags += '-DALLOW_EXPERIMENTAL_API'
endif
- if get_option('per_library_versions')
- lib_version = '@0 at .1'.format(version)
- so_version = '@0@'.format(version)
+ version_map = '@0@/@1@/rte_ at 2@_version.map'.format(
+ meson.current_source_dir(), dir_name, name)
+
+ is_experimental = run_command(is_experimental_cmd,
+ files(version_map)).returncode()
+
+ if is_experimental != 0
+ lib_version = '0.1'
+ so_version = '0'
else
- lib_version = major_version
- so_version = major_version
+ lib_version = abi_version
+ so_version = abi_version
endif
# first build static lib
@@ -120,8 +126,6 @@ foreach l:libraries
# then use pre-build objects to build shared lib
sources = []
objs += static_lib.extract_all_objects(recursive: false)
- version_map = '@0@/@1@/rte_ at 2@_version.map'.format(
- meson.current_source_dir(), dir_name, name)
implib = dir_name + '.dll.a'
def_file = custom_target(name + '_def',
diff --git a/meson_options.txt b/meson_options.txt
index 448f3e63dc..000e38fd98 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -28,8 +28,6 @@ option('max_lcores', type: 'integer', value: 128,
description: 'maximum number of cores/threads supported by EAL')
option('max_numa_nodes', type: 'integer', value: 4,
description: 'maximum number of NUMA nodes supported by EAL')
-option('per_library_versions', type: 'boolean', value: true,
- description: 'true: each lib gets its own version number, false: DPDK version used for each lib')
option('tests', type: 'boolean', value: true,
description: 'build unit tests')
option('use_hpet', type: 'boolean', value: false,
diff --git a/mk/rte.lib.mk b/mk/rte.lib.mk
index 4df8849a08..e1ea292b6e 100644
--- a/mk/rte.lib.mk
+++ b/mk/rte.lib.mk
@@ -11,20 +11,15 @@ EXTLIB_BUILD ?= n
# VPATH contains at least SRCDIR
VPATH += $(SRCDIR)
-ifneq ($(CONFIG_RTE_MAJOR_ABI),)
-ifneq ($(LIBABIVER),)
-LIBABIVER := $(CONFIG_RTE_MAJOR_ABI)
-endif
+ifneq ($(shell grep "^DPDK_" $(SRCDIR)/$(EXPORT_MAP)),)
+LIBABIVER := $(shell cat $(RTE_SRCDIR)/config/ABI_VERSION)
+else
+LIBABIVER := 0
endif
ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
LIB := $(patsubst %.a,%.so.$(LIBABIVER),$(LIB))
ifeq ($(EXTLIB_BUILD),n)
-ifeq ($(CONFIG_RTE_MAJOR_ABI),)
-ifeq ($(CONFIG_RTE_NEXT_ABI),y)
-LIB := $(LIB).1
-endif
-endif
CPU_LDFLAGS += --version-script=$(SRCDIR)/$(EXPORT_MAP)
endif
endif
--
2.17.1
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