[PATCH v2 2/4] build: support function versioning for drivers

[Dariusz Sosnowski]

Add support for enabling function versioning
(through use_function_versioning meson variable) for drivers,
similar to libraries.

Signed-off-by: Dariusz Sosnowski <dsosnowski at nvidia.com>
---
 drivers/meson.build | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/meson.build b/drivers/meson.build
index 4d95604ecd..a63d93372a 100644
--- a/drivers/meson.build
+++ b/drivers/meson.build
@@ -171,6 +171,7 @@ foreach subpath:subdirs
         pkgconfig_extra_libs = []
         testpmd_sources = []
         require_iova_in_mbuf = true
+        use_function_versioning = false
         # for handling base code files which may need extra cflags
         base_sources = []
         base_cflags = []
@@ -273,6 +274,13 @@ foreach subpath:subdirs
         endif
         dpdk_conf.set(lib_name.to_upper(), 1)
 
+        if developer_mode and is_windows and use_function_versioning
+            message('@0@: Function versioning is not supported by Windows.'.format(name))
+        endif
+        if use_function_versioning
+            cflags += '-DRTE_USE_FUNCTION_VERSIONING'
+        endif
+
         dpdk_extra_ldflags += pkgconfig_extra_libs
 
         dpdk_headers += headers
-- 
2.47.3