build: factorize jansson availability check

Since two components wants to know if the jansson library is available,
move it to config/.

Signed-off-by: David Marchand <david.marchand@redhat.com>

diff --git a/app/test-pmd/meson.build b/app/test-pmd/meson.build
index b05c531..d5df52c 100644 (file)
--- a/app/test-pmd/meson.build
+++ b/app/test-pmd/meson.build
@@ -28,6 +28,10 @@ sources = files(
         'util.c',
 )
 
+if dpdk_conf.has('RTE_HAS_JANSSON')
+    ext_deps += jansson_dep
+endif
+
 deps += ['ethdev', 'gro', 'gso', 'cmdline', 'metrics', 'bus_pci']
 if dpdk_conf.has('RTE_CRYPTO_SCHEDULER')
     deps += 'crypto_scheduler'
@@ -60,8 +64,3 @@ endif
 if dpdk_conf.has('RTE_NET_DPAA')
     deps += ['bus_dpaa', 'mempool_dpaa', 'net_dpaa']
 endif
-jansson_dep = dependency('jansson', required: false, method: 'pkg-config')
-if jansson_dep.found()
-    dpdk_conf.set('RTE_HAS_JANSSON', 1)
-    ext_deps += jansson_dep
-endif

diff --git a/config/meson.build b/config/meson.build
index 737cbd2..5926892 100644 (file)
--- a/config/meson.build
+++ b/config/meson.build
@@ -218,6 +218,11 @@ if libbsd.found()
     dpdk_conf.set('RTE_USE_LIBBSD', 1)
 endif
 
+jansson_dep = dependency('jansson', required: false, method: 'pkg-config')
+if jansson_dep.found()
+    dpdk_conf.set('RTE_HAS_JANSSON', 1)
+endif
+
 # check for pcap
 pcap_dep = dependency('libpcap', required: false, method: 'pkg-config')
 pcap_lib = is_windows ? 'wpcap' : 'pcap'

diff --git a/lib/metrics/meson.build b/lib/metrics/meson.build
index 3cb43d9..8c1c4b4 100644 (file)
--- a/lib/metrics/meson.build
+++ b/lib/metrics/meson.build
@@ -4,10 +4,8 @@
 sources = files('rte_metrics.c', 'rte_metrics_telemetry.c')
 headers = files('rte_metrics.h', 'rte_metrics_telemetry.h')
 
-jansson = dependency('jansson', required: false, method: 'pkg-config')
-if jansson.found()
-    dpdk_conf.set('RTE_HAS_JANSSON', 1)
-    ext_deps += jansson
+if dpdk_conf.has('RTE_HAS_JANSSON')
+    ext_deps += jansson_dep
 endif
 
 deps += ['ethdev', 'telemetry']