Add CMakeLists.txt to build cpufeatures library.

submodules/externals/build/cpufeatures/CMakeLists.txt

@@ -0,0 +1,36 @@
+############################################################################
+# CMakeLists.txt
+# Copyright (C) 2016  Belledonne Communications, Grenoble France
+#
+############################################################################
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+############################################################################
+
+cmake_minimum_required(VERSION 3.0)
+project(androidcpufeatures LANGUAGES C)
+
+include(GNUInstallDirs)
+
+
+add_library(cpufeatures STATIC "${ANDROID_CPU_FEATURES_INCLUDE_DIRS}/cpu-features.c")
+
+install(TARGETS cpufeatures
+	RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+	LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+	ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+	PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
+)