build: print list of disabled components

[dpdk.git] / drivers / meson.build

diff --git a/drivers/meson.build b/drivers/meson.build
index dc47b45..2ed2e95 100644 (file)
--- a/drivers/meson.build
+++ b/drivers/meson.build
@@ -37,6 +37,7 @@ foreach class:dpdk_driver_classes
 
                # set up empty variables used for build
                build = true # set to false to disable, e.g. missing deps
+               reason = '<unknown reason>' # set if build == false to explain
                name = drv
                version = 1
                allow_experimental_apis = false
@@ -58,7 +59,16 @@ foreach class:dpdk_driver_classes
                # pull in driver directory which should assign to each of the above
                subdir(drv_path)
 
-               if build
+               if not build
+                       # some driver directories are placeholders which
+                       # are never built, so we allow suppression of the
+                       # component disable printout in those cases
+                       if reason != ''
+                               dpdk_drvs_disabled += drv_path
+                               set_variable(drv_path.underscorify() +
+                                               '_disable_reason', reason)
+                       endif
+               else
                        class_drivers += name
 
                        dpdk_conf.set(config_flag_fmt.format(name.to_upper()),1)