From e89c4ec7f993c3713062731ddc193faa69f60f3e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Valverde?= <joao.valverde@tecnico.ulisboa.pt>
Date: Sat, 12 Dec 2015 07:09:29 +0000
Subject: cmake: Fix Unix introspection for floorl() [-Wredundant-decls]
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Change-Id: I76a909c6f14b50b1a71205f9da2cb44a2e67969f
Reviewed-on: https://code.wireshark.org/review/12561
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Reviewed-by: João Valverde <j@v6e.pt>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
---
 ConfigureChecks.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'ConfigureChecks.cmake')

diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index b052888455..4e896b6e07 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -96,7 +96,14 @@ cmake_pop_check_state()
 # Use check_symbol_exists just in case math.h does something magic
 # and there's not actually a function named floorl()
 #
+if(UNIX)
+	set(_mathlib m)
+endif()
+cmake_push_check_state()
+set(CMAKE_REQUIRED_LIBRARIES ${_mathlib})
 check_symbol_exists("floorl" "math.h"    HAVE_FLOORL)
+cmake_pop_check_state()
+
 check_function_exists("getaddrinfo"      HAVE_GETADDRINFO)
 check_function_exists("gethostbyname"    HAVE_GETHOSTBYNAME)
 check_function_exists("gethostbyname2"   HAVE_GETHOSTBYNAME2)
-- 
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