lib: add reasons for components being disabled

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>
Acked-by: Luca Boccassi <bluca@debian.org>

diff --git a/lib/librte_kni/meson.build b/lib/librte_kni/meson.build
index 400af9a4d3b2ec045d38bb99d41f5518444e1f00..41fa2e39bbecff5db8c69b12c4adf06aa87e07b9 100644 (file)
--- 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 cc6c30075deda1b5c920e6042770a89853c33782..cdf08f6df39ddacc31e18f7f96266509fac03808 100644 (file)
--- 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 cafb26f08b13dab140cc45c4902d343526824ed0..3e7db4f193a67409698795def924e2cc45eb9d5b 100644 (file)
--- 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 3090bbe085cf737551a5ca9502f4f16c69110ed8..cb1123ae35ee5cdde3fd7b22f2d7c2ceeb068493 100644 (file)
--- 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)