[dpdk-dev] [PATCH v3 5/7] build: add lib abi checks to meson

[Kevin Laatz <kevin.laatz@intel.com>]

This patch adds the ABI compatibility check for the lib directory to the
meson build. If enabled, the ABI compatibility checks will run for all
.so's in the lib directory (provided a matching dump file exists). The
build will fail if an ABI incompatibility is detected.

Signed-off-by: Kevin Laatz <kevin.laatz@intel.com>
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>

---
v2:
  - fixed conditional around abi check custom target
v3:
  - fix typo in meson option name
---
 buildtools/meson.build |  4 ++++
 lib/meson.build        | 13 +++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/buildtools/meson.build b/buildtools/meson.build
index 6ef2c5721..1d6915708 100644
--- a/buildtools/meson.build
+++ b/buildtools/meson.build
@@ -7,6 +7,10 @@ pmdinfo = find_program('gen-pmdinfo-cfile.sh')
 
 check_experimental_syms = find_program('check-experimental-syms.sh')
 
+if get_option('compat_checks')
+	abidiff = find_program('abidiff')
+endif
+
 # set up map-to-def script using python, either built-in or external
 python3 = import('python').find_installation(required: false)
 if python3.found()
diff --git a/lib/meson.build b/lib/meson.build
index 6ceb5e756..69ea3a2b0 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -180,6 +180,19 @@ foreach l:libraries
 					include_directories: includes,
 					dependencies: shared_deps)
 
+			if not is_windows and get_option('compat_checks')
+				custom_target(dir_name + '.abi_chk',
+					command: [abidiff,
+						meson.source_root() + '/lib/abi/'
+						+ dir_name + '.dump',
+						'@INPUT@'],
+					input: shared_lib,
+					output: dir_name + '.abi_chk',
+					capture: true,
+					install: false,
+					build_by_default: is_experimental == 0)
+			endif
+
 			dpdk_libraries = [shared_lib] + dpdk_libraries
 			dpdk_static_libraries = [static_lib] + dpdk_static_libraries
 		endif # sources.length() > 0
-- 
2.17.1