drivers: add reasons for components being disabled

[dpdk.git] / drivers / net / pcap / meson.build

diff --git a/drivers/net/pcap/meson.build b/drivers/net/pcap/meson.build
index 2051cca..910dfab 100644 (file)
--- a/drivers/net/pcap/meson.build
+++ b/drivers/net/pcap/meson.build
@@ -1,41 +1,21 @@
-#   BSD LICENSE
-#
-#   Copyright(c) 2017 Intel Corporation.
-#   All rights reserved.
-#
-#   Redistribution and use in source and binary forms, with or without
-#   modification, are permitted provided that the following conditions
-#   are met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above copyright
-#       notice, this list of conditions and the following disclaimer in
-#       the documentation and/or other materials provided with the
-#       distribution.
-#     * Neither the name of Intel Corporation nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017 Intel Corporation
 
 pcap_dep = dependency('pcap', required: false)
-if pcap_dep.found() == true
-       ext_deps += pcap_dep
-elif find_program('pcap-config', required: false).found() == true
-       ext_deps += cc.find_library('pcap')
+if pcap_dep.found()
+       build = true
 else
-       build = false
+       # pcap got a pkg-config file only in 1.9.0 and before that meson uses
+       # an internal pcap-config finder, which is not compatible with
+       # cross-compilation, so try to fallback to find_library
+       pcap_dep = cc.find_library('pcap', required: false)
+       if pcap_dep.found() and cc.has_header('pcap.h', dependencies: pcap_dep)
+               build = true
+               pkgconfig_extra_libs += '-lpcap'
+       else
+               build = false
+               reason = 'missing dependency, "libpcap"'
+       endif
 endif
 sources = files('rte_eth_pcap.c')
-pkgconfig_extra_libs += '-lpcap'
+ext_deps += pcap_dep