libarchive: FEATURE_LZMA_FAST should be visible if FEATURE_SEAMLESS_LZMA

While at it, tweak some config help texts.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

4 files changed, 10 insertions, 21 deletions

diff --git a/archival/Config.src b/archival/Config.src
index 0c97f3d7c..4bb46f167 100644
--- a/archival/Config.src
+++ b/archival/Config.src
@@ -27,4 +27,12 @@ config FEATURE_SEAMLESS_Z
 
 INSERT
 
+config FEATURE_LZMA_FAST
+        bool "Optimize lzma for speed"
+        default n
+        depends on UNLZMA || LZCAT || LZMA || FEATURE_SEAMLESS_LZMA
+        help
+          This option reduces decompression time by about 25% at the cost of
+          a 1K bigger binary.
+
 endmenu
diff --git a/archival/ar.c b/archival/ar.c
index 969b6f2bc..8e4d81eeb 100644
--- a/archival/ar.c
+++ b/archival/ar.c
@@ -25,8 +25,6 @@
 //config:         extract contents from archives. In practice, it is used exclusively
 //config:         for object module archives used by compilers.
 //config:
-//config:         On an x86 system, the ar applet adds about 1K.
-//config:
 //config:         Unless you have a specific application which requires ar, you should
 //config:         probably say N here: most compilers come with their own ar utility.
 //config:
diff --git a/archival/bbunzip.c b/archival/bbunzip.c
index 94698d902..bf18a7485 100644
--- a/archival/bbunzip.c
+++ b/archival/bbunzip.c
@@ -501,20 +501,11 @@ int bunzip2_main(int argc UNUSED_PARAM, char **argv)
 //config:         is generally considerably better than that achieved by the bzip2
 //config:         compressors.
 //config:
-//config:         The BusyBox unlzma applet is limited to decompression only.
-//config:         On an x86 system, this applet adds about 4K.
-//config:
 //config:config LZCAT
 //config:       bool "lzcat (8.5 kb)"
 //config:       default y
 //config:       help
-//config:         unlzma is a compression utility using the Lempel-Ziv-Markov chain
-//config:         compression algorithm, and range coding. Compression
-//config:         is generally considerably better than that achieved by the bzip2
-//config:         compressors.
-//config:
-//config:         The BusyBox unlzma applet is limited to decompression only.
-//config:         On an x86 system, this applet adds about 4K.
+//config:         Alias to "unlzma -c".
 //config:
 //config:config LZMA
 //config:       bool "lzma -d"
@@ -522,14 +513,6 @@ int bunzip2_main(int argc UNUSED_PARAM, char **argv)
 //config:       help
 //config:         Enable this option if you want commands like "lzma -d" to work.
 //config:         IOW: you'll get lzma applet, but it will always require -d option.
-//config:
-//config:config FEATURE_LZMA_FAST
-//config:       bool "Optimize for speed"
-//config:       default n
-//config:       depends on UNLZMA || LZCAT || LZMA
-//config:       help
-//config:         This option reduces decompression time by about 25% at the cost of
-//config:         a 1K bigger binary.
 
 //applet:IF_UNLZMA(APPLET(unlzma, BB_DIR_USR_BIN, BB_SUID_DROP))
 //                APPLET_ODDNAME:name   main    location        suid_type     help
diff --git a/archival/lzop.c b/archival/lzop.c
index f1608e24b..967d4b74d 100644
--- a/archival/lzop.c
+++ b/archival/lzop.c
@@ -41,7 +41,7 @@
 //config:       bool "lzopcat (13 kb)"
 //config:       default n  # INCOMPAT: upstream lzop does not provide such tool
 //config:       help
-//config:         Alias to "unlzop -c".
+//config:         Alias to "lzop -dc".
 //config:
 //config:config LZOP_COMPR_HIGH
 //config:       bool "lzop compression levels 7,8,9 (not very useful)"