build: fix soname info for 19.11 compatibility

[dpdk.git] / config / meson.build

diff --git a/config/meson.build b/config/meson.build
index acacba7..01911ec 100644 (file)
--- a/config/meson.build
+++ b/config/meson.build
@@ -18,6 +18,21 @@ endforeach
 # depending on the configuration options
 pver = meson.project_version().split('.')
 major_version = '@0@.@1@'.format(pver.get(0), pver.get(1))
+abi_version = run_command(find_program('cat', 'more'),
+       abi_version_file).stdout().strip()
+
+# Regular libraries have the abi_version as the filename extension
+# and have the soname be all but the final part of the abi_version.
+# Experimental libraries have soname with '0.major'
+# and the filename suffix as 0.majorminor versions,
+# e.g. v20.1 => librte_stable.so.20.1, librte_experimental.so.0.201
+#    sonames => librte_stable.so.20, librte_experimental.so.0.20
+# e.g. v20.0.1 => librte_stable.so.20.0.1, librte_experimental.so.0.2001
+#      sonames => librte_stable.so.20.0, librte_experimental.so.0.200
+abi_va = abi_version.split('.')
+stable_so_version = abi_va.length() == 2 ? abi_va[0] : abi_va[0] + '.' + abi_va[1]
+experimental_abi_version = '0.' + ''.join(abi_va)
+experimental_so_version = '0.' + ''.join(stable_so_version.split('.'))
 
 # extract all version information into the build configuration
 dpdk_conf.set('RTE_VER_YEAR', pver.get(0).to_int())
@@ -37,7 +52,7 @@ endif
 
 pmd_subdir_opt = get_option('drivers_install_subdir')
 if pmd_subdir_opt.contains('<VERSION>')
-       pmd_subdir_opt = major_version.join(pmd_subdir_opt.split('<VERSION>'))
+       pmd_subdir_opt = abi_version.join(pmd_subdir_opt.split('<VERSION>'))
 endif
 driver_install_path = join_paths(get_option('libdir'), pmd_subdir_opt)
 eal_pmd_path = join_paths(get_option('prefix'), driver_install_path)
@@ -137,6 +152,19 @@ if libbsd.found()
        dpdk_conf.set('RTE_USE_LIBBSD', 1)
 endif
 
+# check for pcap
+pcap_dep = dependency('pcap', required: false)
+if pcap_dep.found()
+       # 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)
+endif
+if pcap_dep.found() and cc.has_header('pcap.h', dependencies: pcap_dep)
+       dpdk_conf.set('RTE_PORT_PCAP', 1)
+       dpdk_extra_ldflags += '-lpcap'
+endif
+
 # add -include rte_config to cflags
 add_project_arguments('-include', 'rte_config.h', language: 'c')
 
@@ -180,7 +208,6 @@ dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
 dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
 dpdk_conf.set('RTE_MAX_ETHPORTS', get_option('max_ethports'))
 dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
-dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
 # values which have defaults which may be overridden
 dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
 dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64)
@@ -213,3 +240,16 @@ add_project_arguments('-D_GNU_SOURCE', language: 'c')
 if is_freebsd
        add_project_arguments('-D__BSD_VISIBLE', language: 'c')
 endif
+
+if get_option('b_lto')
+       if cc.has_argument('-ffat-lto-objects')
+               add_project_arguments('-ffat-lto-objects', language: 'c')
+       else
+               error('compiler does not support fat LTO objects - please turn LTO off')
+       endif
+       # workaround for gcc bug 81440
+       if cc.get_id() == 'gcc' and cc.version().version_compare('<8.0')
+               add_project_arguments('-Wno-lto-type-mismatch', language: 'c')
+               add_project_link_arguments('-Wno-lto-type-mismatch', language: 'c')
+       endif
+endif