From 3c177d011684fce294edce5ea93f27d3453e6830 Mon Sep 17 00:00:00 2001
From: Matt Oliver <protogonoi@gmail.com>
Date: Tue, 8 Sep 2020 21:12:54 +1000
Subject: Fix pkgconfig creation with cmake.

The cmake build script was not setting a VORBIS_LIBS variable
that is used to update pkg-config files. This results in linking
errors in downstream projects due to missing dependencies
(in this case libm).

This patch just updates the cmake script to behave the same
as configure does currently.

Signed-off-by: evpobr <evpobr@gmail.com>
---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb99e2cf..c42f6a5b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -60,6 +60,9 @@ message(STATUS "Configuring ${PROJECT_NAME} ${PROJECT_VERSION}")
 # Find math library
 
 check_library_exists(m floor "" HAVE_LIBM)
+if(HAVE_LIBM)
+    set(VORBIS_LIBS "-lm")
+endif()
 
 # Find ogg dependency
 if(NOT TARGET Ogg::ogg)
-- 
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