X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fmeson.build;h=2ed2e954110ca9a6c80e14e0adc7c8b8158e46d2;hb=96c343868dd15ebdc74371a9dea2288b30ce13ea;hp=7520a16e326d07f929038b9069d27ef54078e54c;hpb=fa647c5722b86cdabb1ed60701ef7eb6095bbd66;p=dpdk.git

diff --git a/drivers/meson.build b/drivers/meson.build
index 7520a16e32..2ed2e95411 100644
--- a/drivers/meson.build
+++ b/drivers/meson.build
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2017-2019 Intel Corporation
 
-if host_machine.system() == 'windows'
+if is_windows
 	subdir_done()
 endif
 
@@ -21,9 +21,6 @@ if cc.has_argument('-Wno-format-truncation')
 	default_cflags += '-Wno-format-truncation'
 endif
 
-# specify -D_GNU_SOURCE unconditionally
-default_cflags += '-D_GNU_SOURCE'
-
 foreach class:dpdk_driver_classes
 	drivers = []
 	std_deps = []
@@ -40,6 +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
@@ -61,7 +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)