config USE_UCLIBCXX
bool "uClibc++"
+ config USE_LIBCXX
+ bool "libc++"
+ depends on !USE_UCLIBC
+
config USE_LIBSTDCXX
bool "libstdc++"
endchoice
this per package by adding PKG_CHECK_FORMAT_SECURITY:=0 in the package
Makefile.
- config PKG_ASLR_PIE
- bool
+ choice
prompt "User space ASLR PIE compilation"
- select BUSYBOX_DEFAULT_PIE
- default n
+ default PKG_ASLR_PIE_NONE if ((SMALL_FLASH || LOW_MEMORY_FOOTPRINT) && !SDK)
+ default PKG_ASLR_PIE_REGULAR
help
Add -fPIC to CFLAGS and -specs=hardened-build-ld to LDFLAGS.
This enables package build as Position Independent Executables (PIE)
to predict when an attacker is attempting a memory-corruption exploit.
You can disable this per package by adding PKG_ASLR_PIE:=0 in the package
Makefile.
+ Be ware that ASLR increases the binary size.
+ config PKG_ASLR_PIE_NONE
+ bool "None"
+ help
+ PIE is deactivated for all applications
+ config PKG_ASLR_PIE_REGULAR
+ bool "Regular"
+ help
+ PIE is activated for some binaries, mostly network exposed applications
+ config PKG_ASLR_PIE_ALL
+ bool "All"
+ select BUSYBOX_DEFAULT_PIE
+ help
+ PIE is activated for all applications
+ endchoice
choice
prompt "User space Stack-Smashing Protection"