X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=config%2Fmeson.build;h=483139b100af7a7c52c0585506793355b0c22dce;hb=6b1ad5181c7dc10119238e8798bbc96c9d83d1fc;hp=999dea91e0b1a1e37c780f312867c1efca8b2e0e;hpb=664c59fac1e68f9a59634690776c36a4e5891a8a;p=dpdk.git

diff --git a/config/meson.build b/config/meson.build
index 999dea91e0..483139b100 100644
--- a/config/meson.build
+++ b/config/meson.build
@@ -1,11 +1,27 @@
 # SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2017 Intel Corporation
+# Copyright(c) 2017-2019 Intel Corporation
 
 # 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>'))
@@ -64,18 +80,27 @@ 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'
 	link_lib = 'dl'
-else
+elif host_machine.system() == '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