[gentoo-dev] [PATCH systemd.eclass] Do not install systemd units on BSD

[Michał Górny]

Index: systemd.eclass
===================================================================
RCS file: /var/cvsroot/gentoo-x86/eclass/systemd.eclass,v
retrieving revision 1.11
diff -u -B -d -u -p -r1.11 systemd.eclass
--- systemd.eclass	7 Jan 2012 17:53:47 -0000	1.11
+++ systemd.eclass	11 Jul 2012 17:56:56 -0000
@@ -34,6 +34,10 @@ esac
 DEPEND="!<sys-apps/systemd-29-r4
 	!=sys-apps/systemd-37-r1"
 
+# systemd does not support non-Linux systems
+# so we won't install unit files for them.
+IUSE="kernel_linux"
+
 # @FUNCTION: _systemd_get_unitdir
 # @INTERNAL
 # @DESCRIPTION:
@@ -61,6 +65,8 @@ systemd_get_unitdir() {
 systemd_dounit() {
 	debug-print-function ${FUNCNAME} "${@}"
 
+	use kernel_linux || return 0
+
 	(
 		insinto "$(_systemd_get_unitdir)"
 		doins "${@}"
@@ -75,6 +81,8 @@ systemd_dounit() {
 systemd_newunit() {
 	debug-print-function ${FUNCNAME} "${@}"
 
+	use kernel_linux || return 0
+
 	(
 		insinto "$(_systemd_get_unitdir)"
 		newins "${@}"
@@ -106,6 +114,8 @@ systemd_enable_service() {
 
 	[[ ${#} -eq 2 ]] || die "Synopsis: systemd_enable_service target service"
 
+	use kernel_linux || return 0
+
 	local target=${1}
 	local service=${2}
 	local ud=$(_systemd_get_unitdir)
@@ -131,7 +141,11 @@ systemd_with_unitdir() {
 	debug-print-function ${FUNCNAME} "${@}"
 	local optname=${1:-systemdsystemunitdir}
 
-	echo -n --with-${optname}="$(systemd_get_unitdir)"
+	if use kernel_linux; then
+		echo -n --with-${optname}="$(systemd_get_unitdir)"
+	else
+		echo -n --without-${optname}
+	fi
 }
 
 # @FUNCTION: systemd_to_myeconfargs
@@ -142,8 +156,13 @@ systemd_with_unitdir() {
 systemd_to_myeconfargs() {
 	debug-print-function ${FUNCNAME} "${@}"
 
-	myeconfargs=(
-		"${myeconfargs[@]}"
-		--with-systemdsystemunitdir="$(systemd_get_unitdir)"
-	)
+	if use kernel_linux; then
+		myeconfargs+=(
+			--with-systemdsystemunitdir="$(systemd_get_unitdir)"
+		)
+	else
+		myeconfargs+=(
+			--without-systemdsystemunitdir
+		)
+	fi
 }