toolchain/buildroot: glibc requires kernel headers >= 4.5 with NaN-2008

From sysdeps/unix/sysv/linux/mips/configure.ac in glibc:

if test -z "$arch_minimum_kernel"; then
  if test x$libc_cv_mips_nan2008 = xyes; then
    arch_minimum_kernel=4.5.0
  fi
fi

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Romain Naour <romain.naour@openwide.fr>
Cc: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/toolchain/toolchain-buildroot/Config.in b/toolchain/toolchain-buildroot/Config.in
index 25ab6679275e3440a57581c780ea1b9958757cdb..cbe2038a77140c1b6928fbb39681229152708bbf 100644 (file)
--- a/toolchain/toolchain-buildroot/Config.in
+++ b/toolchain/toolchain-buildroot/Config.in
@@ -52,6 +52,7 @@ config BR2_TOOLCHAIN_BUILDROOT_GLIBC
        depends on !BR2_STATIC_LIBS
        depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2
        depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10 || !BR2_powerpc64le
+       depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5 || !BR2_MIPS_NAN_2008
        depends on !BR2_powerpc_SPE
        select BR2_TOOLCHAIN_USES_GLIBC
        # our glibc.mk enables RPC support