added extra/gnome-power-manager

extra/gnome-power-manager/0001-set-libm-as-required.patch

@@ -0,0 +1,25 @@
+From c821ac6e22b8115ee41f5f76991b3ad03d15b062 Mon Sep 17 00:00:00 2001
+From: Kevin Mihelich <kevin@archlinuxarm.org>
+Date: Tue, 18 Sep 2018 01:15:09 +0000
+Subject: [PATCH] set libm as required
+
+---
+ meson.build | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/meson.build b/meson.build
+index 4bc51d64..85a75ac9 100644
+--- a/meson.build
++++ b/meson.build
+@@ -81,7 +81,7 @@ gtk = dependency('gtk+-3.0', version : '>= 3.3.8')
+ gdk = dependency('gdk-3.0', version : '>= 2.91.7')
+ cairo = dependency('cairo', version : '>= 1.0.0')
+ upower = dependency('upower-glib', version : '>= 0.9.1')
+-libm = cc.find_library('libm', required: false)
++libm = cc.find_library('m', required: true)
+ 
+ gnome = import('gnome')
+ i18n = import('i18n')
+-- 
+2.18.0
+

extra/gnome-power-manager/PKGBUILD

@@ -0,0 +1,43 @@
+# Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
+# Contributor: Jan de Groot <jgc@archlinux.org>
+
+# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
+#  - patch to enable linking with libm to fix FTBFS
+
+pkgname=gnome-power-manager
+pkgver=3.30.0
+pkgrel=1
+pkgdesc="System power information and statistics"
+url="https://gitlab.gnome.org/GNOME/gnome-power-manager"
+arch=(x86_64)
+license=(GPL)
+depends=(gtk3 upower dconf)
+makedepends=(git meson)
+_commit=de5ca85cc67df273170bf4f28febdb9ebfd92cf1  # tags/GNOME_POWER_MANAGER_3_30_0^0
+source=("git+https://gitlab.gnome.org/GNOME/gnome-power-manager.git#commit=$_commit"
+        '0001-set-libm-as-required.patch')
+sha256sums=('SKIP'
+            '6bbc57044aa78979137a3ee7ece5ff37c7bea5796d69e1c3a4c91c11a7b33d67')
+
+pkgver() {
+  cd $pkgname
+  git describe --tags | sed 's/^GNOME_POWER_MANAGER_//;s/_/./g;s/-/+/g'
+}
+
+prepare() {
+  cd $pkgname
+  git apply ../0001-set-libm-as-required.patch
+}
+
+build() {
+  arch-meson $pkgname build
+  ninja -C build
+}
+
+check() {
+  meson test -C build
+}
+
+package() {
+  DESTDIR="$pkgdir" meson install -C build
+}