[Buildroot] [PATCH] package/tpm2-totp: blacklist Codesourcery ARM toolchain

Thomas Petazzoni thomas.petazzoni at bootlin.com
Thu Apr 11 16:27:16 UTC 2019

On Thu, 11 Apr 2019 12:59:06 +0200
Peter Korsgaard <peter at korsgaard.com> wrote:

> Fixes:
> http://autobuild.buildroot.net/results/6c9bb17920749409e5a0c3388ccda411c6c7cfb4/
> tpm2-totp uses _DEFAULT_SOURCE to make the htobe64() macro available,
> support for which was only added in glibc 2.20:
> https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html#index-_005fDEFAULT_005fSOURCE
> From glibc 2.20 NEWS:
> * The _BSD_SOURCE and _SVID_SOURCE feature test macros are no longer
>   supported; they now act the same as _DEFAULT_SOURCE (but generate a
>   warning).  Except for cases where _BSD_SOURCE enabled BSD interfaces that
>   conflicted with POSIX (support for which was removed in 2.19), the
>   interfaces those macros enabled remain available when compiling with
>   _GNU_SOURCE defined, with _DEFAULT_SOURCE defined, or without any feature
>   test macros defined.
> This could be worked around by defining _BSD_SOURCE for this old toolchain
> (cannot be done unconditionally as it generated warnings for modern glibc
> versions), but given that platforms using this old toolchain are unlikely to
> have a TPM 2.0 and use it for TOTP, simply blacklist it instead.
> Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
> ---
>  package/tpm2-totp/Config.in | 2 ++
>  1 file changed, 2 insertions(+)

Applied to master, thanks.

Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering

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