buildroot: allow specifying libc personality for external toolchains

[openwrt.git] / toolchain / Config.in

diff --git a/toolchain/Config.in b/toolchain/Config.in
index 32de4b1..8677b87 100644 (file)
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -50,6 +50,17 @@ menuconfig EXTERNAL_TOOLCHAIN
                default "/opt/cross/powerpc-unknown-linux-gnu"  if powerpc
                default "/opt/cross/x86_64-unknown-linux-gnu"   if x86_64
 
+       config TOOLCHAIN_LIBC
+               string
+               prompt "Toolchain libc"  if DEVEL
+               depends EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+               default "uclibc"
+               help
+                 Specify the libc type used by the external toolchain. The given value us passed as -m
+                 flag to all gcc and g++ invocations. This is mainly intended for multilib toolchains
+                 which support glibc and uclibc at the same time. If no value is specified, no -m flag
+                 is passed.
+
        config TOOLCHAIN_BIN_PATH
                string
                prompt "Toolchain program path"  if DEVEL