[PATCH] select ZLIB_{IN,DE}FLATE

Similar to the patch Brian Gerst sent for CRC32, this patch changes
ZLIB_{IN,DE}FLATE to be select'ed.

The dependencies are much better maintainable that way.

crypto/Kconfig

@@ -143,6 +143,8 @@ config CRYPTO_CAST6
 config CRYPTO_DEFLATE
 	tristate "Deflate compression algorithm"
 	depends on CRYPTO
+	select ZLIB_INFLATE
+	select ZLIB_DEFLATE
 	help
 	  This is the Deflate algorithm (RFC1951), specified for use in
 	  IPSec with the IPCOMP protocol (RFC3173, RFC2394).

drivers/net/Kconfig

@@ -2268,6 +2268,8 @@ config PPP_SYNC_TTY
 config PPP_DEFLATE
 	tristate "PPP Deflate compression"
 	depends on PPP
+	select ZLIB_INFLATE
+	select ZLIB_DEFLATE
 	---help---
 	  Support for the Deflate compression method for PPP, which uses the
 	  Deflate algorithm (the same algorithm that gzip uses) to compress

fs/Kconfig

@@ -496,6 +496,7 @@ config JOLIET
 config ZISOFS
 	bool "Transparent decompression extension"
 	depends on ISO9660_FS
+	select ZLIB_INFLATE
 	help
 	  This is a Linux-specific extension to RockRidge which lets you store
 	  data in compressed form on a CD-ROM and have it transparently
@@ -1047,6 +1048,8 @@ config JFFS2_FS
 	tristate "Journalling Flash File System v2 (JFFS2) support"
 	depends on MTD
 	select CRC32
+	select ZLIB_INFLATE
+	select ZLIB_DEFLATE
 	help
 	  JFFS2 is the second generation of the Journalling Flash File System
 	  for use on diskless embedded devices. It provides improved wear
@@ -1092,6 +1095,7 @@ config JFFS2_FS_NAND
 
 config CRAMFS
 	tristate "Compressed ROM file system support"
+	select ZLIB_INFLATE
 	help
 	  Saying Y here includes support for CramFs (Compressed ROM File
 	  System).  CramFs is designed to be a simple, small, and compressed

fs/Kconfig.binfmt

@@ -36,6 +36,7 @@ config BINFMT_FLAT
 config BINFMT_ZFLAT
 	bool "Enable ZFLAT support"
 	depends on BINFMT_FLAT
+	select ZLIB_INFLATE
 	help
 	  Support FLAT format compressed binaries
 

lib/Kconfig

@@ -13,18 +13,13 @@ config CRC32
 	  require M here.
 
 #
-# Do we need the compression support?
+# compression support is select'ed if needed
 #
 config ZLIB_INFLATE
 	tristate
-	default y if CRAMFS=y || PPP_DEFLATE=y || JFFS2_FS=y || ZISOFS_FS=y || BINFMT_ZFLAT=y || CRYPTO_DEFLATE=y
-	default m if CRAMFS=m || PPP_DEFLATE=m || JFFS2_FS=m || ZISOFS_FS=m || BINFMT_ZFLAT=m || CRYPTO_DEFLATE=m
 
 config ZLIB_DEFLATE
 	tristate
-	default m if PPP_DEFLATE!=y && JFFS2_FS!=y && CRYPTO_DEFLATE!=y && \
-		(PPP_DEFLATE=m || JFFS2_FS=m || CRYPTO_DEFLATE=m)
-	default y if PPP_DEFLATE=y || JFFS2_FS=y || CRYPTO_DEFLATE=y
 
 endmenu