On Sat, Apr 25, 2020 at 1:02 PM Haiyue Wang <haiyue.w...@intel.com> wrote:
>
> Add checks during build to ensure that all symbols in the INTERNAL
> version map section have __internal tags on their definitions, and
> enable the warnings needed to announce their use.
>
> Signed-off-by: Haiyue Wang <haiyue.w...@intel.com>
> ---
>  MAINTAINERS                                   |  2 +-
>  ...-experimental-syms.sh => check-symbols.sh} | 31 +++++++++++++++++++
>  buildtools/meson.build                        |  2 +-
>  mk/internal/rte.compile-pre.mk                |  6 ++--
>  4 files changed, 36 insertions(+), 5 deletions(-)
>  rename buildtools/{check-experimental-syms.sh => check-symbols.sh} (61%)

Just missing a little update on drivers/meson.build and lib/meson.build.
Squashed with:

diff --git a/buildtools/meson.build b/buildtools/meson.build
index 3e8d31b0c5..d5f8291beb 100644
--- a/buildtools/meson.build
+++ b/buildtools/meson.build
@@ -6,7 +6,7 @@ subdir('pmdinfogen')
 pkgconf = find_program('pkg-config', 'pkgconf', required: false)
 pmdinfo = find_program('gen-pmdinfo-cfile.sh')
 list_dir_globs = find_program('list-dir-globs.py')
-check_experimental_syms = find_program('check-symbols.sh')
+check_symbols = find_program('check-symbols.sh')
 ldflags_ibverbs_static = find_program('options-ibverbs-static.sh')

 # set up map-to-def script using python, either built-in or external
@@ -20,4 +20,4 @@ map_to_def_cmd = py3 + files('map_to_def.py')
 sphinx_wrapper = py3 + files('call-sphinx-build.py')

 # stable ABI always starts with "DPDK_"
-is_experimental_cmd = [find_program('grep', 'findstr'), '^DPDK_']
+is_stable_cmd = [find_program('grep', 'findstr'), '^DPDK_']
diff --git a/drivers/meson.build b/drivers/meson.build
index f3dd23dd43..dc293b270b 100644
--- a/drivers/meson.build
+++ b/drivers/meson.build
@@ -131,15 +131,15 @@ foreach class:dpdk_driver_classes
                                        meson.current_source_dir(),
                                        drv_path, lib_name)

-                       is_experimental = run_command(is_experimental_cmd,
-                               files(version_map)).returncode()
+                       is_stable = run_command(is_stable_cmd,
+                               files(version_map)).returncode() == 0

-                       if is_experimental != 0
-                               lib_version = experimental_abi_version
-                               so_version = experimental_so_version
-                       else
+                       if is_stable
                                lib_version = abi_version
                                so_version = stable_so_version
+                       else
+                               lib_version = experimental_abi_version
+                               so_version = experimental_so_version
                        endif

                        # now build the static driver
@@ -168,14 +168,14 @@ foreach class:dpdk_driver_classes
                        else
                                lk_args = ['-Wl,--version-script=' +
version_map]
                                # on unix systems check the output of the
-                               # experimental syms script, using it as a
+                               # check-symbols.sh script, using it as a
                                # dependency of the .so build
-                               lk_deps += custom_target(lib_name + '.exp_chk',
-                                       command: [check_experimental_syms,
+                               lk_deps += custom_target(lib_name + '.sym_chk',
+                                       command: [check_symbols,
                                                version_map, '@INPUT@'],
                                        capture: true,
                                        input: static_lib,
-                                       output: lib_name + '.exp_chk')
+                                       output: lib_name + '.sym_chk')
                        endif

                        shared_lib = shared_library(lib_name,
diff --git a/lib/meson.build b/lib/meson.build
index 8697941ae0..07a65a6256 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -109,15 +109,15 @@ foreach l:libraries
                        version_map = '@0@/@1@/rte_@2@_version.map'.format(
                                        meson.current_source_dir(),
dir_name, name)

-                       is_experimental = run_command(is_experimental_cmd,
-                                       files(version_map)).returncode()
+                       is_stable = run_command(is_stable_cmd,
+                                       files(version_map)).returncode() == 0

-                       if is_experimental != 0
-                               lib_version = experimental_abi_version
-                               so_version = experimental_so_version
-                       else
+                       if is_stable
                                lib_version = abi_version
                                so_version = stable_so_version
+                       else
+                               lib_version = experimental_abi_version
+                               so_version = experimental_so_version
                        endif

                        # first build static lib
@@ -160,14 +160,14 @@ foreach l:libraries
                        lk_deps = [version_map, def_file]
                        if not is_windows
                                # on unix systems check the output of the
-                               # experimental syms script, using it as a
+                               # check-symbols.sh script, using it as a
                                # dependency of the .so build
-                               lk_deps += custom_target(name + '.exp_chk',
-                                       command: [check_experimental_syms,
+                               lk_deps += custom_target(name + '.sym_chk',
+                                       command: [check_symbols,
                                                version_map, '@INPUT@'],
                                        capture: true,
                                        input: static_lib,
-                                       output: name + '.exp_chk')
+                                       output: name + '.sym_chk')
                        endif

                        shared_lib = shared_library(libname,


-- 
David Marchand

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