community/mumble: fix build with boost 1.66

community/mumble/APKBUILD

@@ -3,7 +3,7 @@
 # Maintainer: Johannes Matheis <jomat+alpinebuild@jmt.gr>
 pkgname=mumble
 pkgver=1.2.19
-pkgrel=5
+pkgrel=6
 pkgdesc="A low-latency, high quality voice chat software"
 url="http://wiki.mumble.info"
 arch="all"
@@ -18,6 +18,7 @@ pkgusers="murmur"
 pkggroups="murmur"
 subpackages="$pkgname-doc murmur murmur-doc:murmur_doc:noarch"
 source="https://github.com/mumble-voip/$pkgname/releases/download/$pkgver/$pkgname-$pkgver.tar.gz
+	boost-1.66.patch
 	murmur.initd"
 builddir="$srcdir"/$pkgname-$pkgver
 
@@ -102,4 +103,5 @@ murmur_doc() {
 }
 
 sha512sums="f91111194a899149b500a94afcf7cc5b9691c7ce8669f07fca2c66adbb3916ddb863bf703d04fb8387133fb75f3c8edb52974d1acf3febfafa1f73da19946de4  mumble-1.2.19.tar.gz
+fcdaf2a3575e3871fe4003b93364a70a7c7029beb64ba5e24931abbe3898b72791848b5cf78ccf48eee5942a37f696a5134d061c2b8d60b66913abd701758330  boost-1.66.patch
 c74ade232146a180448cb0027503f59642000bee50613a1fb99162cdc4bc81089ab4e84e51b0bbdac5c176eb52b76e6bd2b3ec790a9148135a1fc050569921c3  murmur.initd"

community/mumble/boost-1.66.patch

@@ -0,0 +1,32 @@
+From ea861fe86743c8402bbad77d8d1dd9de8dce447e Mon Sep 17 00:00:00 2001
+From: Mikkel Krautz <mikkel@krautz.dk>
+Date: Fri, 29 Dec 2017 14:47:25 +0100
+Subject: [PATCH] AudioOutput: do not use non-existant template version of
+ std::abs.
+
+This change fixes AudioOutput to use the float overload of std::abs:
+
+    float std::abs(float);
+
+instead of a non-existant template version.
+
+Fixes mumble-voip/mumble#3281
+
+Needs-Backport: 1.2.x
+---
+ src/mumble/AudioOutput.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/mumble/AudioOutput.cpp b/src/mumble/AudioOutput.cpp
+index cbe0c0e2b..7a0a5e2ab 100644
+--- a/src/mumble/AudioOutput.cpp
++++ b/src/mumble/AudioOutput.cpp
+@@ -437,7 +437,7 @@ bool AudioOutput::mix(void *outbuff, unsigned int nsamp) {
+ 					top[2] = 0.0f;
+ 				}
+ 
+-				if (std::abs<float>(front[0] * top[0] + front[1] * top[1] + front[2] * top[2]) > 0.01f) {
++				if (std::abs(front[0] * top[0] + front[1] * top[1] + front[2] * top[2]) > 0.01f) {
+ 					// Not perpendicular. Assume Y up and rotate 90 degrees.
+ 
+ 					float azimuth = 0.0f;