Help text update and tweak to defconfig to remove two more things that

the "maximum sane configuration" shouldn't have.  (Explicit MTAB support in
mount, which you should only need if you have no /proc, and FEATURE_CLEAN_UP,
which exists to humor valgrind and otherwise just bloats the code).

1 files changed, 7 insertions, 6 deletions

diff --git a/Makefile b/Makefile
index 1177f147a..b69e5040f 100644
--- a/Makefile
+++ b/Makefile
@@ -121,10 +121,10 @@ help:
         @echo
         @echo 'Configuration:'
         @echo '  allnoconfig            - disable all symbols in .config'
-        @echo '  allyesconfig           - enable (almost) all symbols in .config'
-        @echo '  allbareconfig          - enable all basics without any features'
+        @echo '  allyesconfig           - enable all symbols in .config (see defconfig)'
+        @echo '  allbareconfig          - enable all applets without any sub-features'
         @echo '  config         - text based configurator (of last resort)'
-        @echo '  defconfig              - set .config to defaults'
+        @echo '  defconfig              - set .config to largest generic configuration'
         @echo '  menuconfig             - interactive curses-based configurator'
         @echo '  oldconfig              - resolve any unresolved symbols in .config'
         @echo
@@ -191,12 +191,13 @@ allyesconfig: scripts/config/conf
 allnoconfig: scripts/config/conf
         @./scripts/config/conf -n $(CONFIG_CONFIG_IN)
 
-#defconfig: scripts/config/conf
-#       @./scripts/config/conf -d $(CONFIG_CONFIG_IN)
+# defconfig is allyesconfig minus any features that are specialized enough
+# or cause enough behavior change that the user really should switch them on
+# manually if that's what they want.  Sort of "maximum sane config".
 
 defconfig: scripts/config/conf
         @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
-        sed -i -r -e "s/^(USING_CROSS_COMPILER|CONFIG_(DEBUG.*|STATIC|SELINUX|FEATURE_DEVFS|BUILD_AT_ONCE|BUILD_LIBBUSYBOX|FEATURE_FULL_LIBBUSYBOX|FEATURE_SHARED_BUSYBOX))=.*/# \1 is not set/" .config
+        sed -i -r -e "s/^(USING_CROSS_COMPILER|CONFIG_(DEBUG.*|STATIC|SELINUX|BUILD_(AT_ONCE|LIBBUSYBOX)|FEATURE_(DEVFS|FULL_LIBBUSYBOX|SHARED_BUSYBOX|MTAB_SUPPORT|CLEAN_UP)))=.*/# \1 is not set/" .config
         @./scripts/config/conf -o $(CONFIG_CONFIG_IN)