mark Linux-specific configuration options

PLATFORM_LINUX is used as a dependency for applets or features
which require Linux-specific interfaces.

Signed-off-by: Jeremie Koenig <jk@jk.fr.eu.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/Config.in b/Config.in
index eebc9774d..35f43b3cd 100644
--- a/Config.in
+++ b/Config.in
@@ -47,6 +47,17 @@ config USE_PORTABLE_CODE
           compiler other than gcc.
           If you do use gcc, this option may needlessly increase code size.
 
+config PLATFORM_LINUX
+        bool "Enable Linux-specific applets and features"
+        default y
+        help
+          For the most part, busybox requires only POSIX compatibility
+          from the target system, but some applets and features use
+          Linux-specific interfaces.
+
+          Answering 'N' here will disable such applets and hide the
+          corresponding configuration options.
+
 choice
         prompt "Buffer allocation policy"
         default FEATURE_BUFFERS_USE_MALLOC
@@ -353,6 +364,7 @@ config FEATURE_SUID_CONFIG_QUIET
 config SELINUX
         bool "Support NSA Security Enhanced Linux"
         default n
+        depends on PLATFORM_LINUX
         help
           Enable support for SELinux in applets ls, ps, and id. Also provide
           the option of compiling in SELinux applets.