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package/dhcpcd: systemv and systemd services conflict with NetworkManager

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When NetworkManager and dhcpcd packages are both enabled, dhcpcd
services and NetworkManager both spawn dhcpcd. This causes the network
port to retrieve an IP address and later lose it a few seconds after
startup.

This patch prevents dhcpcd services from launching dhcpcd if
NetworkManager is enabled.

Signed-off-by: Jim Brennan <jbrennan@impinj.com>
[Thomas: add a comment in the code to explain the seemingly strange
condition.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

(cherry picked from commit 4b530daf42)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Jim Brennan
2018-05-01 00:02:45 +00:00
committed by Peter Korsgaard
parent e8f80ebb4d
commit a1f0ec5209
1 changed files with 5 additions and 0 deletions
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5
package/dhcpcd/dhcpcd.mk
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@@ -36,6 +36,10 @@ define DHCPCD_INSTALL_TARGET_CMDS
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) install DESTDIR=$(TARGET_DIR)
endef
# When network-manager is enabled together with dhcpcd, it will use
# dhcpcd as a DHCP client, and will be in charge of running, so we
# don't want the init script or service file to be installed.
ifeq ($(BR2_PACKAGE_NETWORK_MANAGER),)
define DHCPCD_INSTALL_INIT_SYSV
$(INSTALL) -m 755 -D package/dhcpcd/S41dhcpcd \
$(TARGET_DIR)/etc/init.d/S41dhcpcd
@@ -48,6 +52,7 @@ define DHCPCD_INSTALL_INIT_SYSTEMD
ln -sf ../../../../usr/lib/systemd/system/dhcpcd.service \
$(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/dhcpcd.service
endef
endif
# NOTE: Even though this package has a configure script, it is not generated
# using the autotools, so we have to use the generic package infrastructure.