[dpdk-dev] [PATCH 02/10] lib: add reasons for components being disabled

[Bruce Richardson <bruce.richardson@intel.com>]

For each library where we optionally disable it, add in the reason why it's
being disabled, so the user knows how to fix it.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 lib/librte_kni/meson.build       | 1 +
 lib/librte_power/meson.build     | 1 +
 lib/librte_telemetry/meson.build | 1 +
 lib/librte_vhost/meson.build     | 1 +
 4 files changed, 4 insertions(+)

diff --git a/lib/librte_kni/meson.build b/lib/librte_kni/meson.build
index 400af9a4d..41fa2e39b 100644
--- a/lib/librte_kni/meson.build
+++ b/lib/librte_kni/meson.build
@@ -3,6 +3,7 @@
 
 if not is_linux or not dpdk_conf.get('RTE_ARCH_64')
 	build = false
+	reason = 'only supported on 64-bit linux'
 endif
 version = 2
 sources = files('rte_kni.c')
diff --git a/lib/librte_power/meson.build b/lib/librte_power/meson.build
index cc6c30075..cdf08f6df 100644
--- a/lib/librte_power/meson.build
+++ b/lib/librte_power/meson.build
@@ -3,6 +3,7 @@
 
 if not is_linux
 	build = false
+	reason = 'only supported on linux'
 endif
 sources = files('rte_power.c', 'power_acpi_cpufreq.c',
 		'power_kvm_vm.c', 'guest_channel.c',
diff --git a/lib/librte_telemetry/meson.build b/lib/librte_telemetry/meson.build
index cafb26f08..3e7db4f19 100644
--- a/lib/librte_telemetry/meson.build
+++ b/lib/librte_telemetry/meson.build
@@ -12,4 +12,5 @@ if jansson.found()
 	dpdk_app_link_libraries += ['telemetry']
 else
 	build = false
+	reason = 'missing dependency "jansson"'
 endif
diff --git a/lib/librte_vhost/meson.build b/lib/librte_vhost/meson.build
index 3090bbe08..cb1123ae3 100644
--- a/lib/librte_vhost/meson.build
+++ b/lib/librte_vhost/meson.build
@@ -3,6 +3,7 @@
 
 if not is_linux
 	build = false
+	reason = 'only supported on linux'
 endif
 if has_libnuma == 1
 	dpdk_conf.set10('RTE_LIBRTE_VHOST_NUMA', true)
-- 
2.21.0