user/cmus: Add -latomic on ppc

user/cmus/APKBUILD

@@ -13,7 +13,8 @@ makedepends="alsa-lib-dev faad2-dev ffmpeg-dev flac-dev libao-dev libcddb-dev
 	libcdio-paranoia-dev libmad-dev libmodplug-dev libvorbis-dev ncurses-dev
 	opusfile-dev pulseaudio-dev wavpack-dev"
 subpackages="$pkgname-doc"
-source="$pkgname-$pkgver.tar.gz::https://github.com/$pkgname/$pkgname/archive/v$pkgver.tar.gz"
+source="$pkgname-$pkgver.tar.gz::https://github.com/$pkgname/$pkgname/archive/v$pkgver.tar.gz
+	ppc-libatomic.patch"
 
 build() {
 	cd "$builddir"
@@ -60,4 +61,5 @@ package() {
 	make DESTDIR="$pkgdir" PREFIX=/usr install
 }
 
-sha512sums="cf359dfcefa833a5b10a2d16ac405672bea762b62b7177c115560127035682fba65c15b9a8710179a343d1f99212a0260b5c095542982202e2cd1bef5b0c17fc  cmus-2.8.0.tar.gz"
+sha512sums="cf359dfcefa833a5b10a2d16ac405672bea762b62b7177c115560127035682fba65c15b9a8710179a343d1f99212a0260b5c095542982202e2cd1bef5b0c17fc  cmus-2.8.0.tar.gz
+06a91da06cc916aa475467aa90bd7170c7288b68459706c3416700e79ba8707fd7a85bded0c0d5d51d805c15f59ff395670f11318ca5a419d17ab1070a48775f  ppc-libatomic.patch"

user/cmus/ppc-libatomic.patch

+From 9a56c86a663e53195a32b7908cf2bd4349bad5c3 Mon Sep 17 00:00:00 2001
+From: Luis Ressel <aranea@aixah.de>
+Date: Fri, 29 Mar 2019 17:16:16 +0100
+Subject: [PATCH] Link against libatomic on ppc32.  DO NOT UPSTREAM.
+
+Assuming that we'll always need libatomic on ppc32, but never elsewhere
+is hideous and broken, but gcc is making it a huge pain to handle this
+properly.
+---
+ configure | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/configure b/configure
+index e76acdd..2cd5d45 100755
+--- a/configure
++++ b/configure
+@@ -98,6 +98,9 @@ check_compat()
+ 		CONFIG_CYGWIN=y
+ 		makefile_vars CONFIG_CYGWIN
+ 	esac
++
++	test ppc = "$(uname -m)" && try_link -latomic && COMPAT_LIBS="$COMPAT_LIBS -latomic"
++
+ 	makefile_vars COMPAT_LIBS
+ }
+ 
+-- 
+2.21.0
+