From: Laine Stump <laine@redhat.com>
Date: Wed, 26 Aug 2020 18:22:07 +0000 (-0400)
Subject: meson: link libm
X-Git-Tag: v6.8.0-rc1~340
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b546b48344548b0f5a33e27cad183c0b2eba4834;p=thirdparty%2Flibvirt.git

meson: link libm

On some platforms libm (needed for the pow() function) isn't being
linked in somehow. This patch adds the necessary bits to assure that
it's linked in when necessary.

Suggested-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
(cherry picked from commit 20a62b42ec001310a6329d7ee2021f0737d534ef)
---

diff --git a/meson.build b/meson.build
index e193166a9b..dc83804f85 100644
--- a/meson.build
+++ b/meson.build
@@ -1176,6 +1176,9 @@ endif
 libxml_version = '2.9.1'
 libxml_dep = dependency('libxml-2.0', version: '>=' + libxml_version)
 
+cc = meson.get_compiler('c')
+m_dep = cc.find_library('m', required : false)
+
 use_macvtap = false
 if not get_option('macvtap').disabled()
   if (cc.has_header_symbol('linux/if_link.h', 'MACVLAN_MODE_BRIDGE') and
diff --git a/src/util/meson.build b/src/util/meson.build
index a7017f459f..f7092cc3f1 100644
--- a/src/util/meson.build
+++ b/src/util/meson.build
@@ -188,6 +188,7 @@ virt_util_lib = static_library(
     devmapper_dep,
     gnutls_dep,
     libnl_dep,
+    m_dep,
     numactl_dep,
     secdriver_dep,
     src_dep,