[Buildroot] [PATCH 1/1] package/earlyoom: new package

[Joseph Kogut <joseph.kogut@gmail.com>]

EarlyOOM daemon for triggering Linux OOM killer before running out of
memory, avoiding situations where the machine becomes unresponsive from
out of control swapping.

Signed-off-by: Joseph Kogut <joseph.kogut@gmail.com>
---
 DEVELOPERS                     |  1 +
 package/Config.in              |  1 +
 package/earlyoom/Config.in     |  9 +++++++++
 package/earlyoom/earlyoom.hash |  4 ++++
 package/earlyoom/earlyoom.mk   | 37 ++++++++++++++++++++++++++++++++++
 5 files changed, 52 insertions(+)
 create mode 100644 package/earlyoom/Config.in
 create mode 100644 package/earlyoom/earlyoom.hash
 create mode 100644 package/earlyoom/earlyoom.mk

diff --git a/DEVELOPERS b/DEVELOPERS
index 0f1574c930..3e749e764b 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -1388,6 +1388,7 @@ N:	Joseph Kogut <joseph.kogut@gmail.com>
 F:	package/at-spi2-atk/
 F:	package/at-spi2-core/
 F:	package/clang/
+F:	package/earlyoom/
 F:	package/gconf/
 F:	package/libnss/
 F:	package/lld/
diff --git a/package/Config.in b/package/Config.in
index c245abbc42..0f1da74e0f 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -2338,6 +2338,7 @@ menu "System tools"
 	source "package/docker-containerd/Config.in"
 	source "package/docker-engine/Config.in"
 	source "package/docker-proxy/Config.in"
+	source "package/earlyoom/Config.in"
 	source "package/efibootmgr/Config.in"
 	source "package/efivar/Config.in"
 	source "package/emlog/Config.in"
diff --git a/package/earlyoom/Config.in b/package/earlyoom/Config.in
new file mode 100644
index 0000000000..abb720437c
--- /dev/null
+++ b/package/earlyoom/Config.in
@@ -0,0 +1,9 @@
+config BR2_PACKAGE_EARLYOOM
+	bool "earlyoom"
+	help
+	  Early OOM daemon for Linux.
+
+	  User space daemon for triggering Linux OOM killer
+	  before running out of memory, avoiding situations
+	  where the machine becomes unresponsive from out of
+	  control swapping.
diff --git a/package/earlyoom/earlyoom.hash b/package/earlyoom/earlyoom.hash
new file mode 100644
index 0000000000..4cafe50bc3
--- /dev/null
+++ b/package/earlyoom/earlyoom.hash
@@ -0,0 +1,4 @@
+# locally calculated
+sha256 b81804fc4470f996014d52252a87a1cf3b43d3d8754140035b10dcee349302b8  earlyoom-1.6.tar.gz
+# License files, locally calculated
+sha256 e730b3ec729de46d987ae73f30ed337e4cbe832f09205330acfa71848c6e0087  LICENSE
diff --git a/package/earlyoom/earlyoom.mk b/package/earlyoom/earlyoom.mk
new file mode 100644
index 0000000000..bea59bd416
--- /dev/null
+++ b/package/earlyoom/earlyoom.mk
@@ -0,0 +1,37 @@
+################################################################################
+#
+# earlyoom
+#
+################################################################################
+
+EARLYOOM_VERSION = 1.6
+EARLYOOM_SITE = $(call github,rfjakob,earlyoom,v$(EARLYOOM_VERSION))
+EARLYOOM_LICENSE = MIT
+EARLYOOM_LICENSE_FILES = LICENSE
+
+EARLYOOM_MAKE_OPTS = \
+	CC=$(TARGET_CC) \
+	DESTDIR=$(TARGET_DIR) \
+	VERSION=$(EARLYOOM_VERSION) \
+	PREFIX=/usr \
+	SYSTEMDUNITDIR=/usr/lib/systemd/system
+
+define EARLYOOM_CONFIGURE_CMDS
+	$(SED) "/systemctl/d" $(EARLYOOM_DIR)/Makefile
+	$(SED) "/chcon/d" $(EARLYOOM_DIR)/Makefile
+	$(SED) "/update-rc.d/d" $(EARLYOOM_DIR)/Makefile
+endef
+
+define EARLYOOM_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) earlyoom $(EARLYOOM_MAKE_OPTS)
+endef
+
+define EARLYOOM_INSTALL_INIT_SYSV
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) install-initscript $(EARLYOOM_MAKE_OPTS)
+endef
+
+define EARLYOOM_INSTALL_INIT_SYSTEMD
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) install $(EARLYOOM_MAKE_OPTS)
+endef
+
+$(eval $(generic-package))
-- 
2.26.2