diff options
| -rw-r--r-- | Config.in | 10 | ||||
| -rw-r--r-- | Makefile | 13 |
2 files changed, 13 insertions, 10 deletions
@@ -80,10 +80,12 @@ config CONFIG_FEATURE_CLEAN_UP bool "Clean up all memory before exiting (usually not needed)" default n help - As a size optimization, busybox by default does not cleanup memory - that is dynamically allocated or close files before exiting. This - saves space and is usually not needed since the OS will clean up for - us. Don't enable this unless you have a really good reason to clean + As a size optimization, busybox normally exits without explicitly + freeing dynamically allocated memory or closing files. This saves + space since the OS will clean up for us, but it can confuse debuggers + like valgrind, which report tons of memory and resource leaks. + + Don't enable this unless you have a really good reason to clean things up manually. config CONFIG_FEATURE_SUID @@ -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) |