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From: David Marchand <david.marchand@redhat.com>
To: dev@dpdk.org
Cc: bruce.richardson@intel.com, bluca@debian.org, aconole@redhat.com,
	stable@dpdk.org, Thomas Monjalon <thomas@monjalon.net>,
	Ranjit Menon <ranjit.menon@intel.com>,
	Jeff Shaw <jeffrey.b.shaw@intel.com>,
	Pallavi Kadam <pallavi.kadam@intel.com>,
	Harini Ramakrishnan <harini.ramakrishnan@microsoft.com>,
	Anand Rawat <anand.rawat@intel.com>
Subject: [dpdk-stable] [PATCH 1/2] build: fix libm detection in meson
Date: Thu,  9 Jan 2020 13:59:15 +0100
Message-ID: <20200109125916.32073-1-david.marchand@redhat.com> (raw)

Using version 0.47.1, meson is unable to find the math library in Travis
for the 32bits job.
Quite surprisingly, this problem is not seen with the 64bits jobs.

Switching to 0.48.0, the problem disappears.

But we should pass 'm' to find_library instead of 'libm' anyway.

Fixes: 98edcbb5ab2f ("eal/windows: introduce Windows support")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 config/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/config/meson.build b/config/meson.build
index 01911ecf9..28a57f56f 100644
--- a/config/meson.build
+++ b/config/meson.build
@@ -115,7 +115,7 @@ add_project_link_arguments('-pthread', language: 'c')
 dpdk_extra_ldflags += '-pthread'
 
 # 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'
-- 
2.23.0


             reply	other threads:[~2020-01-09 12:59 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-09 12:59 David Marchand [this message]
2020-01-09 12:59 ` [dpdk-stable] [PATCH 2/2] ci: use meson 0.47.1 David Marchand
2020-01-09 13:09   ` Bruce Richardson
2020-01-09 14:16   ` Aaron Conole
2020-01-09 13:09 ` [dpdk-stable] [PATCH 1/2] build: fix libm detection in meson Bruce Richardson
2020-01-09 14:08   ` David Marchand
2020-01-09 14:17 ` Aaron Conole

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