Convert selection of serial line header compression to use CONFIG_SLHC
rather than makefile ifeq uglyness.  This makes it easier to select
the SLHC module from other code.

Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>

---
 drivers/isdn/i4l/Kconfig |    1 +
 drivers/net/Kconfig      |    8 ++++++++
 drivers/net/Makefile     |   10 ++--------
 3 files changed, 11 insertions(+), 8 deletions(-)

Index: linux-net/drivers/isdn/i4l/Kconfig
===================================================================
--- linux-net.orig/drivers/isdn/i4l/Kconfig     2006-07-09 02:47:58.000000000 
+0100
+++ linux-net/drivers/isdn/i4l/Kconfig  2006-07-10 01:35:45.000000000 +0100
@@ -5,6 +5,7 @@
 config ISDN_PPP
        bool "Support synchronous PPP"
        depends on INET
+       select SLHC
        help
          Over digital connections such as ISDN, there is no need to
          synchronize sender and recipient's clocks with start and stop bits
Index: linux-net/drivers/net/Kconfig
===================================================================
--- linux-net.orig/drivers/net/Kconfig  2006-07-09 02:47:58.000000000 +0100
+++ linux-net/drivers/net/Kconfig       2006-07-10 01:35:45.000000000 +0100
@@ -2509,6 +2509,7 @@ config PLIP
 
 config PPP
        tristate "PPP (point-to-point protocol) support"
+       select SLHC
        ---help---
          PPP (Point to Point Protocol) is a newer and better SLIP.  It serves
          the same purpose: sending Internet traffic over telephone (and other
@@ -2689,6 +2690,7 @@ config SLIP
 config SLIP_COMPRESSED
        bool "CSLIP compressed headers"
        depends on SLIP
+       select SLHC
        ---help---
          This protocol is faster than SLIP because it uses compression on the
          TCP/IP headers (not on the data itself), but it has to be supported
@@ -2701,6 +2703,12 @@ config SLIP_COMPRESSED
          <http://www.tldp.org/docs.html#howto>, explains how to configure
          CSLIP. This won't enlarge your kernel.
 
+config SLHC
+       tristate
+       help
+         This option enables Van Jacobsen serial line header compression
+         routines.
+
 config SLIP_SMART
        bool "Keepalive and linefill"
        depends on SLIP
Index: linux-net/drivers/net/Makefile
===================================================================
--- linux-net.orig/drivers/net/Makefile 2006-07-09 02:47:58.000000000 +0100
+++ linux-net/drivers/net/Makefile      2006-07-10 01:35:45.000000000 +0100
@@ -2,10 +2,6 @@
 # Makefile for the Linux network (ethercard) device drivers.
 #
 
-ifeq ($(CONFIG_ISDN_PPP),y)
-  obj-$(CONFIG_ISDN) += slhc.o
-endif
-
 obj-$(CONFIG_E1000) += e1000/
 obj-$(CONFIG_IBM_EMAC) += ibm_emac/
 obj-$(CONFIG_IXGB) += ixgb/
@@ -111,7 +107,7 @@ obj-$(CONFIG_NE_H8300) += ne-h8300.o 839
 
 obj-$(CONFIG_MV643XX_ETH) += mv643xx_eth.o
 
-obj-$(CONFIG_PPP) += ppp_generic.o slhc.o
+obj-$(CONFIG_PPP) += ppp_generic.o
 obj-$(CONFIG_PPP_ASYNC) += ppp_async.o
 obj-$(CONFIG_PPP_SYNC_TTY) += ppp_synctty.o
 obj-$(CONFIG_PPP_DEFLATE) += ppp_deflate.o
@@ -120,9 +116,7 @@ obj-$(CONFIG_PPP_MPPE) += ppp_mppe.o
 obj-$(CONFIG_PPPOE) += pppox.o pppoe.o
 
 obj-$(CONFIG_SLIP) += sl
-
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