build: fix ninja install on FreeBSD

[dpdk.git] / config / meson.build

diff --git a/config/meson.build b/config/meson.build
index 0419607..3678348 100644 (file)
--- a/config/meson.build
+++ b/config/meson.build
@@ -1,5 +1,53 @@
 # SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2017 Intel Corporation
+# Copyright(c) 2017-2019 Intel Corporation
+
+# check the OS is supported, rather than going any further
+supported_exec_envs = ['freebsd', 'linux', 'windows']
+exec_env = host_machine.system()
+if not supported_exec_envs.contains(exec_env)
+       error('unsupported system type "@0@"'.format(exec_env))
+endif
+
+# define a handy variable for checking which OS we have.
+# gives us "is_windows", "is_freebsd" and "is_linux"
+foreach env:supported_exec_envs
+       set_variable('is_' + env, exec_env == env)
+endforeach
+
+# 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))
+
+# extract all version information into the build configuration
+dpdk_conf.set('RTE_VER_YEAR', pver.get(0).to_int())
+dpdk_conf.set('RTE_VER_MONTH', pver.get(1).to_int())
+if pver.get(2).contains('-rc')
+       rc_ver = pver.get(2).split('-rc')
+       dpdk_conf.set('RTE_VER_MINOR', rc_ver.get(0).to_int())
+       dpdk_conf.set_quoted('RTE_VER_SUFFIX', '-rc')
+       dpdk_conf.set('RTE_VER_RELEASE', rc_ver.get(1).to_int())
+else
+       dpdk_conf.set('RTE_VER_MINOR', pver.get(2).to_int())
+       dpdk_conf.set_quoted('RTE_VER_SUFFIX', '')
+# for actual, non-rc releases, set the release value to 99 to ensure releases
+# have higher version numbers than their respective release candidates
+       dpdk_conf.set('RTE_VER_RELEASE', 99)
+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>'))
+endif
+driver_install_path = join_paths(get_option('libdir'), pmd_subdir_opt)
+eal_pmd_path = join_paths(get_option('prefix'), driver_install_path)
+
+# driver .so files often depend upon the bus drivers for their connect bus,
+# e.g. ixgbe depends on librte_bus_pci. This means that the bus drivers need
+# to be in the library path, so symlink the drivers from the main lib directory.
+meson.add_install_script('../buildtools/symlink-drivers-solibs.sh',
+               get_option('libdir'),
+               pmd_subdir_opt)
 
 # set the machine type and cflags for it
 if meson.is_cross_build()
@@ -52,18 +100,27 @@ dpdk_extra_ldflags += '-Wl,--no-as-needed'
 add_project_link_arguments('-pthread', language: 'c')
 dpdk_extra_ldflags += '-pthread'
 
-# some libs depend on maths lib
-add_project_link_arguments('-lm', language: 'c')
-dpdk_extra_ldflags += '-lm'
+# on some OS, maths functions are in a separate library
+if cc.find_library('libm', required : false).found()
+       # some libs depend on maths lib
+       add_project_link_arguments('-lm', language: 'c')
+       dpdk_extra_ldflags += '-lm'
+endif
 
 # for linux link against dl, for bsd execinfo
-if host_machine.system() == 'linux'
+if is_linux
        link_lib = 'dl'
-else
+elif is_freebsd
        link_lib = 'execinfo'
+else
+       link_lib = ''
+endif
+
+# if link_lib is empty, do not add it to project properties
+if link_lib != ''
+       add_project_link_arguments('-l' + link_lib, language: 'c')
+       dpdk_extra_ldflags += '-l' + link_lib
 endif
-add_project_link_arguments('-l' + link_lib, language: 'c')
-dpdk_extra_ldflags += '-l' + link_lib
 
 # check for libraries used in multiple places in DPDK
 has_libnuma = 0
@@ -76,7 +133,7 @@ if numa_dep.found() and cc.has_header('numaif.h')
 endif
 
 # check for strlcpy
-if host_machine.system() == 'linux'
+if is_linux
        libbsd = dependency('libbsd', required: false)
        if libbsd.found()
                dpdk_conf.set('RTE_USE_LIBBSD', 1)
@@ -131,4 +188,4 @@ dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
 install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
 
 # enable VFIO only if it is linux OS
-dpdk_conf.set('RTE_EAL_VFIO', host_machine.system() == 'linux')
+dpdk_conf.set('RTE_EAL_VFIO', is_linux)