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package/tpm2-totp: blacklist Codesourcery ARM toolchain

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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@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Peter Korsgaard 2019-04-11 12:59:06 +02:00 committed by Thomas Petazzoni
parent ec68531774
commit 32904f9852
1 changed files with 2 additions and 0 deletions
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2
package/tpm2-totp/Config.in
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@ -1,6 +1,7 @@
config BR2_PACKAGE_TPM2_TOTP
bool "tpm2-tools"
depends on !BR2_STATIC_LIBS # tpm2-tss
depends on !BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM # glibc < 2.20
select BR2_PACKAGE_LIBQRENCODE
select BR2_PACKAGE_TPM2_TSS
help
@ -19,3 +20,4 @@ config BR2_PACKAGE_TPM2_TOTP
comment "tpm2-totp needs a toolchain w/ dynamic library"
depends on BR2_STATIC_LIBS
depends on !BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM