netifd: update to latest git HEAD

[openwrt/openwrt.git] / config / Config-build.in

diff --git a/config/Config-build.in b/config/Config-build.in
index f9987fcd2bb7118b5f1bb90e9d734293a2a729d0..a082a5e0e2ed9ad3e9749440c3f244aee8668072 100644 (file)
--- a/config/Config-build.in
+++ b/config/Config-build.in
@@ -41,7 +41,7 @@ menu "Global build settings"
                default n
 
        config BUILD_PATENTED
-               default y
+               default n
                bool "Compile with support for patented functionality"
                help
                  When this option is disabled, software which provides patented functionality
@@ -184,6 +184,22 @@ menu "Global build settings"
                  this per package by adding PKG_CHECK_FORMAT_SECURITY:=0 in the package
                  Makefile.
 
+       config PKG_ASLR_PIE
+               bool
+               prompt "User space ASLR PIE compilation"
+               select BUSYBOX_DEFAULT_PIE
+               default n
+               help
+                 Add -fPIC to CFLAGS and -specs=hardened-build-ld to LDFLAGS.
+                 This enables package build as Position Independent Executables (PIE)
+                 to protect against "return-to-text" attacks. This belongs to the
+                 feature of Address Space Layout Randomisation (ASLR), which is
+                 implemented by the kernel and the ELF loader by randomising the
+                 location of memory allocations. This makes memory addresses harder
+                 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.
+
        choice
                prompt "User space Stack-Smashing Protection"
                depends on USE_MUSL
@@ -194,11 +210,11 @@ menu "Global build settings"
                        bool "None"
                config PKG_CC_STACKPROTECTOR_REGULAR
                        bool "Regular"
-                       select SSP_SUPPORT if !USE_MUSL
+                       select GCC_LIBSSP if !USE_MUSL
                        depends on KERNEL_CC_STACKPROTECTOR_REGULAR
                config PKG_CC_STACKPROTECTOR_STRONG
                        bool "Strong"
-                       select SSP_SUPPORT if !USE_MUSL
+                       select GCC_LIBSSP if !USE_MUSL
                        depends on !GCC_VERSION_4_8
                        depends on KERNEL_CC_STACKPROTECTOR_STRONG
        endchoice