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ifupdown-script: send current hostname in DHCP request

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For the default (BR2_SYSTEM_DHCP) /etc/network/interfaces handling.

Both the "big" and busybox ifupdown variants pass the hostname argument to
the DHCP client through the shell, so we can use $() to expand to the
current hostname value.

Notice that this may not be handled by all DHCP clients.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Reviewed-by: Matt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Peter Korsgaard 2018-10-30 18:16:14 +01:00
parent 16db3937c0
commit 7a3f85ddff
1 changed files with 1 additions and 0 deletions
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package/ifupdown-scripts/ifupdown-scripts.mk
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@ -23,6 +23,7 @@ define IFUPDOWN_SCRIPTS_DHCP
echo "iface $(IFUPDOWN_SCRIPTS_DHCP_IFACE) inet dhcp"; \
echo " pre-up /etc/network/nfs_check"; \
echo " wait-delay 15"; \
echo " hostname \$$(hostname)"; \
) >> $(TARGET_DIR)/etc/network/interfaces
$(INSTALL) -m 0755 -D $(IFUPDOWN_SCRIPTS_PKGDIR)/nfs_check \
$(TARGET_DIR)/etc/network/nfs_check