build: add workarounds for Windows helloworld

[dpdk.git] / lib / meson.build

diff --git a/lib/meson.build b/lib/meson.build
index d88b021..c3289f8 100644 (file)
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2017 Intel Corporation
+# Copyright(c) 2017-2019 Intel Corporation
 
 
 # process all libraries equally, as far as possible
@@ -8,23 +8,41 @@
 # sometimes skip deps that would be implied by others, e.g. if mempool is
 # given as a dep, no need to mention ring. This is especially true for the
 # core libs which are widely reused, so their deps are kept to a minimum.
-libraries = [ 'compat', # just a header, used for versioning
-       'kvargs',
-       'eal', 'ring', 'mempool', 'mbuf', 'net', 'ethdev', 'pci', # core
+libraries = [
+       'kvargs', # eal depends on kvargs
+       'eal', # everything depends on eal
+       'cmdline', # ethdev depends on cmdline for parsing functions
+       'ring', 'mempool', 'mbuf', 'net', 'meter', 'ethdev', 'pci', # core
        'metrics', # bitrate/latency stats depends on this
        'hash',    # efd depends on this
        'timer',   # eventdev depends on this
        'acl', 'bbdev', 'bitratestats', 'cfgfile',
-       'cmdline', 'compressdev', 'cryptodev',
+       'compressdev', 'cryptodev',
        'distributor', 'efd', 'eventdev',
        'gro', 'gso', 'ip_frag', 'jobstats',
        'kni', 'latencystats', 'lpm', 'member',
-       'meter', 'power', 'pdump', 'rawdev',
+       'power', 'pdump', 'rawdev',
        'reorder', 'sched', 'security', 'vhost',
+       #ipsec lib depends on crypto and security
+       'ipsec',
        # add pkt framework libs which use other libs from above
        'port', 'table', 'pipeline',
        # flow_classify lib depends on pkt framework table lib
-       'flow_classify', 'bpf']
+       'flow_classify', 'bpf', 'telemetry']
+
+if host_machine.system() == 'windows'
+       libraries = ['kvargs','eal'] # only supported libraries for windows
+endif
+
+default_cflags = machine_args
+if cc.has_argument('-Wno-format-truncation')
+       default_cflags += '-Wno-format-truncation'
+endif
+
+enabled_libs = [] # used to print summary at the end
+
+# -D_GNU_SOURCE unconditionally
+default_cflags += '-D_GNU_SOURCE'
 
 foreach l:libraries
        build = true
@@ -34,29 +52,24 @@ foreach l:libraries
        sources = []
        headers = []
        includes = []
-       cflags = machine_args
-       if cc.has_argument('-Wno-format-truncation')
-           cflags += '-Wno-format-truncation'
-       endif
-
+       cflags = default_cflags
        objs = [] # other object files to link against, used e.g. for
                  # instruction-set optimized versions of code
 
        # use "deps" for internal DPDK dependencies, and "ext_deps" for
        # external package/library requirements
        ext_deps = []
-       deps = ['eal']   # eal is standard dependency except for itself
-       if l == 'kvargs'
-               deps = []
-       endif
-       if l == 'eal'
-               deps = ['kvargs']
+       deps = []
+       # eal is standard dependency once built
+       if dpdk_conf.has('RTE_LIBRTE_EAL')
+               deps += ['eal']
        endif
 
        dir_name = 'librte_' + l
        subdir(dir_name)
 
        if build
+               enabled_libs += name
                dpdk_conf.set('RTE_LIBRTE_' + name.to_upper(), 1)
                install_headers(headers)
 
@@ -71,6 +84,10 @@ foreach l:libraries
                        shared_deps = ext_deps
                        static_deps = ext_deps
                        foreach d:deps
+                               if not is_variable('shared_rte_' + d)
+                                       error('Missing dependency ' + d +
+                                               ' for library ' + libname)
+                               endif
                                shared_deps += [get_variable('shared_rte_' + d)]
                                static_deps += [get_variable('static_rte_' + d)]
                        endforeach
@@ -83,10 +100,8 @@ foreach l:libraries
                                lib_version = '@0@.1'.format(version)
                                so_version = '@0@'.format(version)
                        else
-                               prj_ver = meson.project_version().split('.')
-                               lib_version = '@0@.@1@'.format(
-                                               prj_ver.get(0), prj_ver.get(1))
-                               so_version = lib_version
+                               lib_version = major_version
+                               so_version = major_version
                        endif
 
                        # first build static lib
@@ -106,14 +121,23 @@ foreach l:libraries
                        objs += static_lib.extract_all_objects(recursive: false)
                        version_map = '@0@/@1@/rte_@2@_version.map'.format(
                                        meson.current_source_dir(), dir_name, name)
+                       exports = []
+                       implib = dir_name + '.dll.a'
+                       if host_machine.system() == 'windows'
+                               exports = '@0@/@1@/rte_@2@_exports.def'.format(
+                                       meson.current_source_dir(), dir_name, name)
+                               lk_args = ['-Wl,/def:' + exports, '-Wl,/implib:lib\\' + implib]
+                       else
+                               lk_args = ['-Wl,--version-script=' + version_map]
+                       endif
                        shared_lib = shared_library(libname,
                                        sources,
                                        objects: objs,
                                        c_args: cflags,
                                        dependencies: shared_deps,
                                        include_directories: includes,
-                                       link_args: '-Wl,--version-script=' + version_map,
-                                       link_depends: version_map,
+                                       link_args: lk_args,
+                                       link_depends: [version_map, exports],
                                        version: lib_version,
                                        soversion: so_version,
                                        install: true)
@@ -122,6 +146,7 @@ foreach l:libraries
                                        dependencies: shared_deps)
 
                        dpdk_libraries = [shared_lib] + dpdk_libraries
+                       dpdk_static_libraries = [static_lib] + dpdk_static_libraries
                endif # sources.length() > 0
 
                set_variable('shared_' + libname, shared_dep)