external-toolchain: BR2_TOOLCHAIN_EXTERNAL_GLIBC includes eglibc

Yann E. MORIN says:

    "Although eglibc can be configured to include/exclude parts of the
    features, it seems to not be in wide use, if at all."

Acked-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

diff --git a/toolchain/toolchain-external/Config.in b/toolchain/toolchain-external/Config.in
index 94ae73521960f6c06957d7fbb38645674cd9a277..105fb2a26ef76d6ccc8b2dddd57083fd06655eef 100644 (file)
--- a/toolchain/toolchain-external/Config.in
+++ b/toolchain/toolchain-external/Config.in
@@ -692,8 +692,13 @@ config BR2_TOOLCHAIN_EXTERNAL_CUSTOM_UCLIBC
        select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS
 
 config BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC
-       bool "glibc"
+       bool "glibc/eglibc"
        select BR2_TOOLCHAIN_EXTERNAL_GLIBC
+       help
+         Note: eglibc is a variant of glibc that (among other things) can be
+         configured to exclude some of its features. Using a toolchain with
+         eglibc configured to exclude key features may cause build failures to
+         some packages.
 
 endchoice