[ptxdist] [PATCH][v2] rootfs: add choice to link resolv.conf to /proc/net/pnp

[Christoph Fritz <chf.fritz@googlemail.com>]

Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
---
v2:
 -change PTXCONF_ROOTFS_RESOLV to
  PTXCONF_ROOTFS_RESOLV_FILE in rootfs.make too
---
 rules/rootfs.in   |   27 ++++++++++++++++++++++-----
 rules/rootfs.make |    5 ++++-
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/rules/rootfs.in b/rules/rootfs.in
index 350f0c2..3c3765d 100644
--- a/rules/rootfs.in
+++ b/rules/rootfs.in
@@ -390,12 +390,29 @@ config ROOTFS_PROTOCOLS
 	  If enabled, it installs the "./projectroot/etc/protocols" file if
 	  present, else a generic one from the ptxdist directory.
 
-config ROOTFS_RESOLV
-	bool
+choice
 	prompt "install /etc/resolv.conf"
-	help
-	  If enabled, it installs the "./projectroot/etc/resolv.conf" file if
-	  present, else a generic one from the ptxdist directory.
+	default ROOTFS_RESOLV_FILE
+
+	config ROOTFS_RESOLV_FILE
+		bool
+		prompt "as generic"
+		help
+		  If enabled, it installs the "./projectroot/etc/resolv.conf" file if
+		  present, else a generic one from the ptxdist directory.
+
+	config ROOTFS_RESOLV_LINK
+		bool
+		prompt "as link"
+		help
+		  If enabled, it installs /etc/resolv.conf as a link to /proc/net/pnp.
+
+	config ROOTFS_RESOLV_NONE
+		bool
+		prompt "not"
+		help
+		  If enabled, no /etc/resolv.conf will be install.
+endchoice
 
 config ROOTFS_SERVICES
 	bool
diff --git a/rules/rootfs.make b/rules/rootfs.make
index 8306c53..c60b840 100644
--- a/rules/rootfs.make
+++ b/rules/rootfs.make
@@ -215,7 +215,7 @@ endif
 ifdef PTXCONF_ROOTFS_PROTOCOLS
 	@$(call install_alternative, rootfs, 0, 0, 0644, /etc/protocols)
 endif
-ifdef PTXCONF_ROOTFS_RESOLV
+ifdef PTXCONF_ROOTFS_RESOLV_FILE
 	@$(call install_alternative, rootfs, 0, 0, 0644, /etc/resolv.conf)
 #	# replace either by PTXCONF_BOARDSETUP_GATEWAY or nothing if not defined
 ifneq ($(PTXCONF_BOARDSETUP_GATEWAY),)
@@ -226,6 +226,9 @@ else
 	@$(call install_replace, rootfs, /etc/resolv.conf, @NAMESERVER_LINE@, "")
 endif
 endif
+ifdef PTXCONF_ROOTFS_RESOLV_LINK
+	@$(call install_link, rootfs, /proc/net/pnp, /etc/resolv.conf)
+endif
 ifdef PTXCONF_ROOTFS_SERVICES
 	@$(call install_alternative, rootfs, 0, 0, 0644, /etc/services)
 endif
-- 
1.7.2.5




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