set_variable('is_' + env, exec_env == env)
endforeach
+# MS linker requires special treatment.
+# TODO: use cc.get_linker_id() with Meson >= 0.54
+is_ms_linker = is_windows and (cc.get_id() == 'clang')
+
# set the major version, which might be used by drivers and libraries
# 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.' + abi_va[0] + abi_va[1] + '.' + abi_va[2]
+experimental_so_version = experimental_abi_version
# extract all version information into the build configuration
dpdk_conf.set('RTE_VER_YEAR', pver.get(0).to_int())
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)
dpdk_conf.set('RTE_ARCH_64', cc.sizeof('void *') == 8)
-add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
+if not is_windows
+ add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
+endif
-# use pthreads
-add_project_link_arguments('-pthread', language: 'c')
-dpdk_extra_ldflags += '-pthread'
+# use pthreads if available for the platform
+if not is_ms_linker
+ add_project_link_arguments('-pthread', language: 'c')
+ dpdk_extra_ldflags += '-pthread'
+endif
# on some OS, maths functions are in a separate library
-if cc.find_library('libm', required : false).found()
+if cc.find_library('m', required : false).found()
# some libs depend on maths lib
add_project_link_arguments('-lm', language: 'c')
dpdk_extra_ldflags += '-lm'
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')
# for 32-bit, don't warn about casting a 32-bit pointer to 64-bit int - it's fine!!
warning_flags += '-Wno-pointer-to-int-cast'
endif
+if cc.get_id() == 'intel'
+ warning_ids = [188, 2203, 2279, 2557, 3179, 3656]
+ foreach i:warning_ids
+ warning_flags += '-diag-disable=@0@'.format(i)
+ endforeach
+endif
foreach arg: warning_flags
if cc.has_argument(arg)
add_project_arguments(arg, language: 'c')
if is_freebsd
add_project_arguments('-D__BSD_VISIBLE', language: 'c')
endif
+
+if is_windows
+ # Minimum supported API is Windows 7.
+ add_project_arguments('-D_WIN32_WINNT=0x0601', language: 'c')
+
+ # Use MinGW-w64 stdio, because DPDK assumes ANSI-compliant formatting.
+ if cc.get_id() == 'gcc'
+ add_project_arguments('-D__USE_MINGW_ANSI_STDIO', language: 'c')
+ endif
+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