+#
+# OS Detection
+#
+# We allow Darwin (MacOS) for docs generation; VPP build will still fail.
+ifneq ($(shell uname),Darwin)
+OS_ID = $(shell grep '^ID=' /etc/os-release | cut -f2- -d= | sed -e 's/\"//g')
+OS_VERSION_ID= $(shell grep '^VERSION_ID=' /etc/os-release | cut -f2- -d= | sed -e 's/\"//g')
+endif
+
+ifeq ($(filter ubuntu debian,$(OS_ID)),$(OS_ID))
+PKG=deb
+else ifeq ($(filter rhel centos fedora opensuse opensuse-leap opensuse-tumbleweed,$(OS_ID)),$(OS_ID))
+PKG=rpm
+endif
+
+# +libganglia1-dev if building the gmond plugin
+
+DEB_DEPENDS = curl build-essential autoconf automake ccache
+DEB_DEPENDS += debhelper dkms git libtool libapr1-dev dh-systemd
+DEB_DEPENDS += libconfuse-dev git-review exuberant-ctags cscope pkg-config
+DEB_DEPENDS += lcov chrpath autoconf indent clang-format libnuma-dev
+DEB_DEPENDS += python-all python-dev python-virtualenv python-pip libffi6 check
+DEB_DEPENDS += libboost-all-dev libffi-dev python-ply libmbedtls-dev
+DEB_DEPENDS += cmake ninja-build
+ifeq ($(OS_VERSION_ID),14.04)
+ DEB_DEPENDS += openjdk-8-jdk-headless
+ DEB_DEPENDS += libssl-dev
+else ifeq ($(OS_ID)-$(OS_VERSION_ID),debian-8)
+ DEB_DEPENDS += openjdk-8-jdk-headless
+ DEB_DEPENDS += libssl-dev
+ APT_ARGS = -t jessie-backports
+else ifeq ($(OS_ID)-$(OS_VERSION_ID),debian-9)
+ DEB_DEPENDS += default-jdk-headless
+ DEB_DEPENDS += libssl1.0-dev
+else
+ DEB_DEPENDS += default-jdk-headless
+ DEB_DEPENDS += libssl-dev
+endif
+
+RPM_DEPENDS = redhat-lsb glibc-static java-1.8.0-openjdk-devel yum-utils
+RPM_DEPENDS += apr-devel
+RPM_DEPENDS += numactl-devel
+RPM_DEPENDS += check check-devel
+RPM_DEPENDS += boost boost-devel
+RPM_DEPENDS += selinux-policy selinux-policy-devel
+RPM_DEPENDS += cmake3 ninja-build
+
+ifeq ($(OS_ID)-$(OS_VERSION_ID),fedora-25)
+ RPM_DEPENDS += subunit subunit-devel
+ RPM_DEPENDS += openssl-devel
+ RPM_DEPENDS += python-devel python2-ply
+ RPM_DEPENDS += python2-virtualenv
+ RPM_DEPENDS += mbedtls-devel
+ RPM_DEPENDS_GROUPS = 'C Development Tools and Libraries'
+else ifeq ($(shell if [ "$(OS_ID)" = "fedora" ]; then test $(OS_VERSION_ID) -gt 25; echo $$?; fi),0)
+ RPM_DEPENDS += subunit subunit-devel
+ RPM_DEPENDS += compat-openssl10-devel
+ RPM_DEPENDS += python2-devel python2-ply
+ RPM_DEPENDS += python2-virtualenv
+ RPM_DEPENDS += mbedtls-devel
+ RPM_DEPENDS_GROUPS = 'C Development Tools and Libraries'
+else
+ RPM_DEPENDS += openssl-devel
+ RPM_DEPENDS += python-devel python-ply
+ RPM_DEPENDS += python-virtualenv
+ RPM_DEPENDS += devtoolset-7
+ RPM_DEPENDS_GROUPS = 'Development Tools'
+endif
+
+# +ganglia-devel if building the ganglia plugin
+
+RPM_DEPENDS += chrpath libffi-devel rpm-build
+
+SUSE_NAME= $(shell grep '^NAME=' /etc/os-release | cut -f2- -d= | sed -e 's/\"//g' | cut -d' ' -f2)
+SUSE_ID= $(shell grep '^VERSION_ID=' /etc/os-release | cut -f2- -d= | sed -e 's/\"//g' | cut -d' ' -f2)
+RPM_SUSE_BUILDTOOLS_DEPS = autoconf automake ccache check-devel chrpath
+RPM_SUSE_BUILDTOOLS_DEPS += clang cmake indent libtool make ninja python-ply
+
+RPM_SUSE_DEVEL_DEPS = glibc-devel-static java-1_8_0-openjdk-devel libnuma-devel
+RPM_SUSE_DEVEL_DEPS += libopenssl-devel openssl-devel mbedtls-devel
+
+RPM_SUSE_PYTHON_DEPS = python-devel python3-devel python-pip python3-pip
+RPM_SUSE_PYTHON_DEPS += python-rpm-macros python3-rpm-macros
+
+RPM_SUSE_PLATFORM_DEPS = distribution-release shadow rpm-build
+
+ifeq ($(OS_ID),opensuse)
+ifeq ($(SUSE_NAME),Tumbleweed)
+ RPM_SUSE_DEVEL_DEPS = libboost_headers-devel libboost_thread-devel gcc
+ RPM_SUSE_PYTHON_DEPS += python2-ply python2-virtualenv
+endif
+ifeq ($(SUSE_ID),15.0)
+ RPM_SUSE_DEVEL_DEPS = libboost_headers-devel libboost_thread-devel gcc6
+ RPM_SUSE_PYTHON_DEPS += python2-ply python2-virtualenv
+else
+ RPM_SUSE_DEVEL_DEPS += boost_1_61-devel gcc6
+ RPM_SUSE_PYTHON_DEPS += python-virtualenv
+endif
+endif
+
+ifeq ($(OS_ID),opensuse-leap)
+ifeq ($(SUSE_ID),15.0)
+ RPM_SUSE_DEVEL_DEPS = libboost_headers-devel libboost_thread-devel gcc6
+ RPM_SUSE_PYTHON_DEPS += python2-ply python2-virtualenv
+endif
+endif
+
+RPM_SUSE_DEPENDS += $(RPM_SUSE_BUILDTOOLS_DEPS) $(RPM_SUSE_DEVEL_DEPS) $(RPM_SUSE_PYTHON_DEPS) $(RPM_SUSE_PLATFORM_DEPS)