diff --git a/ChangeLog b/ChangeLog index ab2b470c7a..45c4e2a56b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -6635,4 +6635,10 @@ CONFIG_DISABLE_PSEUDOFS_OPERATIONS that effectively can be set back out these recent changes in rmdir, mkdir, unlink, and rename for operations on the pseudo-filesystem (2014-2-20). + * Kconfig: Add an option to select default values for configuration + variables based upon whether you want a smaller footprint or more + features. CONFIG_DEFAULT_SMALL is used in sched/Kconfig and + fs/Kconfig and in apps/. It turns out this this is not very useful + if you are modifying existing configurations because then the + defaults do not apply (2014-2-20). diff --git a/Kconfig b/Kconfig index 1bf91e2a58..e4667d045d 100644 --- a/Kconfig +++ b/Kconfig @@ -21,6 +21,19 @@ menu "Build Setup" config EXPERIMENTAL bool "Prompt for development and/or incomplete code/drivers" +config DEFAULT_SMALL + bool "Default to smallest size" + default n + ---help--- + When options are present, the default value for certain options will + be the one the results in the smallest size (at a loss of featurs). + The default is a fuller feature set at a larger size. + + NOTE: This option does not prevent you from overriding the default + to select another alternative. Nor does it affect the settings that + have already been selected in your configuration file. This applies + only to new settings that require a default value. + choice prompt "Build Host Platform" default HOST_LINUX diff --git a/fs/Kconfig b/fs/Kconfig index defeba0111..b175276faf 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -10,8 +10,9 @@ config DISABLE_MOUNTPOINT default n config DISABLE_PSEUDOFS_OPERATIONS - bool "Disable pseudo-filesytem operations" - default n + bool "Disable pseudo-filesystem operations" + default y if DEFAULT_SMALL + default n if !DEFAULT_SMALL ---help--- Disable certain operations on pseudo-file systems include mkdir, rmdir, unlink, and rename. These are necessary for the logical diff --git a/sched/Kconfig b/sched/Kconfig index f559246f1b..8aeda33eab 100644 --- a/sched/Kconfig +++ b/sched/Kconfig @@ -181,7 +181,7 @@ config JULIAN_TIME config START_YEAR int "Start year" - default 2013 + default 2014 config START_MONTH int "Start month" @@ -353,7 +353,8 @@ config DISABLE_CLOCK config DISABLE_POSIX_TIMERS bool "Disable POSIX timers" depends on DISABLE_OS_API - default n + default y if DEFAULT_SMALL + default n if !DEFAULT_SMALL config DISABLE_PTHREAD bool "Disable pthread support" @@ -373,7 +374,8 @@ config DISABLE_MQUEUE config DISABLE_ENVIRON bool "Disable environment variable support" depends on DISABLE_OS_API - default n + default y if DEFAULT_SMALL + default n if !DEFAULT_SMALL if !DISABLE_SIGNALS comment "Signal Numbers"