--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit toolchain-funcs
+
+MY_P="${PN/-core}-${PV}"
+DESCRIPTION="Nagios core - monitoring daemon, web GUI, and documentation"
+HOMEPAGE="https://www.nagios.org/"
+
+# The name of the directory into which our Gentoo icons will be
+# extracted, and also the basename of the archive containing it.
+GENTOO_ICONS="${PN}-gentoo-icons-20141125"
+SRC_URI="mirror://sourceforge/nagios/${MY_P}.tar.gz
+ web? ( https://dev.gentoo.org/~mjo/distfiles/${GENTOO_ICONS}.tar )"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~ppc ~ppc64 ~sparc ~x86"
+IUSE="apache2 classicui lighttpd perl +web vim-syntax"
+
+# In pkg_postinst(), we change the group of the Nagios configuration
+# directory to that of the web server user. It can't belong to both
+# apache/lighttpd groups at the same time, so we block this combination
+# for our own sanity.
+#
+# This could be made to work, but we would need a better way to allow
+# the web user read-only access to Nagios's configuration directory.
+#
+REQUIRED_USE="apache2? ( !lighttpd )"
+
+#
+# Note, we require one of the apache2 CGI modules:
+#
+# * mod_cgi (USE=apache2_modules_cgi)
+# * mod_cgid (USE=apache2_modules_cgid)
+# * mod_fcgid (www-apache/mod_fcgid)
+#
+# We just don't care /which/ one. And of course PHP supports both CGI
+# (USE=cgi) and FastCGI (USE=fpm). We're pretty lenient with the
+# dependencies, and expect the user not to do anything /too/
+# stupid. (For example, installing Apache with only FastCGI support, and
+# PHP with only CGI support.)
+#
+# Another annoyance is that the upstream Makefile uses app-arch/unzip to
+# extract a snapshot of AngularJS, but that's only needed when USE=web.
+#
+MOD_ALIAS=apache2_modules_alias
+
+# The dependencies checked by the configure script. All of these are
+# also runtime dependencies; that's why ./configure checks for them.
+CONFIGURE_DEPEND="acct-group/nagios
+ acct-user/nagios
+ virtual/mailx
+ perl? ( dev-lang/perl:= )"
+
+# In addition to the things that the ./configure script checks for,
+# we also need to be able to unzip stuff on the build host.
+BDEPEND="${CONFIGURE_DEPEND} web? ( app-arch/unzip )"
+
+# This is linked into /usr/bin/nagios{,tats}
+DEPEND="dev-libs/libltdl:0"
+
+RDEPEND="${CONFIGURE_DEPEND}
+ ${DEPEND}
+ web? (
+ media-libs/gd[jpeg,png]
+ lighttpd? ( www-servers/lighttpd[php] )
+ apache2? (
+ || (
+ www-servers/apache[${MOD_ALIAS},apache2_modules_cgi]
+ www-servers/apache[${MOD_ALIAS},apache2_modules_cgid]
+ ( www-servers/apache[${MOD_ALIAS}] www-apache/mod_fcgid ) )
+ || (
+ dev-lang/php:*[apache2]
+ dev-lang/php:*[cgi]
+ dev-lang/php:*[fpm] )
+ )
+ )
+ vim-syntax? ( app-vim/nagios-syntax )"
+
+S="${WORKDIR}/${MY_P}"
+
+src_configure() {
+ local myconf
+
+ if use perl; then
+ myconf="${myconf} --enable-embedded-perl --with-perlcache"
+ fi
+
+ if use !apache2 && use !lighttpd ; then
+ myconf="${myconf} --with-command-group=nagios"
+ else
+ if use apache2 ; then
+ myconf="${myconf} --with-command-group=apache"
+ myconf="${myconf} --with-httpd-conf=/etc/apache2/conf.d"
+ elif use lighttpd ; then
+ myconf="${myconf} --with-command-group=lighttpd"
+ fi
+ fi
+
+ econf ${myconf} \
+ --prefix="${EPREFIX}/usr" \
+ --bindir="${EPREFIX}/usr/sbin" \
+ --localstatedir="${EPREFIX}/var/lib/nagios" \
+ --sysconfdir="${EPREFIX}/etc/nagios" \
+ --libexecdir="${EPREFIX}/usr/$(get_libdir)/nagios/plugins" \
+ --with-cgibindir="${EPREFIX}/usr/$(get_libdir)/nagios/cgi-bin" \
+ --with-webdir="${EPREFIX}/usr/share/nagios/htdocs"
+
+ # The paths in the web server configuration files need to match
+ # those passed to econf above.
+ cp "${FILESDIR}/99_nagios4-r1.conf" \
+ "${FILESDIR}/lighttpd_nagios4-r1.conf" \
+ "${T}/" || die "failed to create copies of web server conf files"
+
+ sed -e "s|@CGIBINDIR@|${EPREFIX}/usr/$(get_libdir)/nagios/cgi-bin|g" \
+ -e "s|@WEBDIR@|${EPREFIX}/usr/share/nagios/htdocs|" \
+ -i "${T}/99_nagios4-r1.conf" \
+ -i "${T}/lighttpd_nagios4-r1.conf" \
+ || die "failed to substitute paths into web server conf files"
+
+}
+
+src_compile() {
+ emake CC=$(tc-getCC) nagios
+
+ if use web; then
+ # Only compile the CGIs/HTML when USE=web is set.
+ emake CC=$(tc-getCC) DESTDIR="${D}" cgis html
+ fi
+}
+
+src_install() {
+ dodoc Changelog CONTRIBUTING.md README.md THANKS UPGRADING
+
+ # There is no way to install the CGIs unstripped from the top-level
+ # makefile, so descend into base/ here. The empty INSTALL_OPTS
+ # ensures that root:root: owns the nagios executables.
+ cd "${S}/base" || die
+ emake INSTALL_OPTS="" DESTDIR="${D}" install-unstripped
+ cd "${S}" || die
+
+ # Otherwise this gets installed as 770 and you get "access denied"
+ # for some reason or other when starting nagios. The permissions
+ # on nagiostats are just for consistency (these should both get
+ # fixed upstream).
+ fperms 775 /usr/sbin/nagios /usr/sbin/nagiostats
+
+ # INSTALL_OPTS are needed for most of install-basic, but we don't
+ # want them on the LIBEXECDIR, argh.
+ emake DESTDIR="${D}" install-basic
+ fowners root:root /usr/$(get_libdir)/nagios/plugins
+
+ # Don't make the configuration owned by the nagios user, because
+ # then he can edit nagios.cfg and trick nagios into running as root
+ # and doing his bidding.
+ emake INSTALL_OPTS="" DESTDIR="${D}" install-config
+
+ # No INSTALL_OPTS used in install-commandmode, thankfully.
+ emake DESTDIR="${D}" install-commandmode
+
+ # The build system installs these directories, but portage assumes
+ # that the build system doesn't know what it's doing so we have to
+ # keepdir them, too. I guess you'll have to manually re-check the
+ # upstream build system forever to see if this is still necessary.
+ keepdir /var/lib/nagios{,/archives,/rw,/spool,/spool/checkresults}
+
+ if use web; then
+ # There is no way to install the CGIs unstripped from the
+ # top-level makefile, so descend into cgi/ here. The empty
+ # INSTALL_OPTS ensures that root:root: owns the CGI executables.
+ cd "${S}/cgi" || die
+ emake INSTALL_OPTS="" DESTDIR="${D}" install-unstripped
+ cd "${S}" || die
+
+ # install-html installs the new exfoliation theme
+ emake INSTALL_OPTS="" DESTDIR="${D}" install-html
+
+ if use classicui; then
+ # This overwrites the already-installed exfoliation theme
+ emake INSTALL_OPTS="" DESTDIR="${D}" install-classicui
+ fi
+
+ # Install cute Gentoo icons (bug #388323), setting their
+ # owner, group, and mode to match those of the rest of Nagios's
+ # images.
+ insinto /usr/share/nagios/htdocs/images/logos
+ doins "${WORKDIR}/${GENTOO_ICONS}"/*.*
+ fi
+
+ newinitd startup/openrc-init nagios
+
+ if use web ; then
+ if use apache2 ; then
+ # Install the Nagios configuration file for Apache.
+ insinto "/etc/apache2/modules.d"
+ newins "${T}/99_nagios4-r1.conf" "99_nagios4.conf"
+ elif use lighttpd ; then
+ # Install the Nagios configuration file for Lighttpd.
+ insinto /etc/lighttpd
+ newins "${T}/lighttpd_nagios4-r1.conf" nagios.conf
+ else
+ ewarn "${CATEGORY}/${PF} only supports apache or lighttpd"
+ ewarn "out of the box. Since you are not using one of them, you"
+ ewarn "will have to configure your webserver yourself."
+ fi
+ fi
+}
+
+pkg_postinst() {
+
+ if use web; then
+ if use apache2 || use lighttpd ; then
+ if use apache2; then
+ elog "To enable the Nagios web front-end, please edit"
+ elog "${ROOT}/etc/conf.d/apache2 and add \"-D NAGIOS -D PHP\""
+ elog "to APACHE2_OPTS. Then Nagios will be available at,"
+ elog
+ elif use lighttpd; then
+ elog "To enable the Nagios web front-end, please add"
+ elog "'include \"nagios.conf\"' to the lighttpd configuration"
+ elog "file at ${ROOT}/etc/lighttpd/lighttpd.conf. Then Nagios"
+ elog "will be available at,"
+ elog
+ fi
+
+ elog " http://localhost/nagios/"
+ fi
+ fi
+
+ elog
+ elog "If your kernel has /proc protection, nagios"
+ elog "will not be happy as it relies on accessing the proc"
+ elog "filesystem. You can fix this by adding nagios into"
+ elog "the group wheel, but this is not recomended."
+ elog
+
+ if [ -n "${REPLACING_VERSIONS}" ]; then
+ ewarn "The local state directory for nagios has changed in v4.4.5,"
+ ewarn "from ${EROOT}/var/nagios to ${EROOT}/var/lib/nagios. If you"
+ ewarn "wish to migrate your state to the new location, first stop"
+ ewarn "nagios and then run"
+ ewarn ""
+ ewarn " diff --recursive --brief ${EROOT}/var/nagios ${EROOT}/var/lib/nagios"
+ ewarn ""
+ ewarn "to identify any files that should be moved to the new"
+ ewarn "location. They can simply be moved with \"mv\" before"
+ ewarn "restarting nagios."
+ fi
+}
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