[Buildroot] [PATCH] pinentry: fix build issue with gcc 5.x
Yann E. MORIN
yann.morin.1998 at free.fr
Sat Aug 20 14:10:24 UTC 2016
On 2016-08-20 16:00 +0200, Thomas Petazzoni spake thusly:
> pinentry currently fails to build with gcc 5.x, because it uses some
> functionality from std::string that requires C++11 without passing the
> appropriate -std= value. We fix this by passing a proper -std= option
> when gcc >= 5.x. Note that this can be removed once pinentry is bumped
> to the newest version (currently 0.9.7) because they no longer use
> std::string in the Qt part.
>
> Fixes:
>
> http://autobuild.buildroot.net/results/6ea64f692acaebc4d58f3371c632b5121500f17e/
> (and many, many similar build failures)
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> One-beer-granted-to: Yann E. MORIN <yann.morin.1998 at free.fr>
So be it, then! ;-)
Reviewed-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Regards,
Yann E. MORIN.
> ---
> package/pinentry/pinentry.mk | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/package/pinentry/pinentry.mk b/package/pinentry/pinentry.mk
> index 09a7705..bcb910a 100644
> --- a/package/pinentry/pinentry.mk
> +++ b/package/pinentry/pinentry.mk
> @@ -14,6 +14,13 @@ PINENTRY_DEPENDENCIES = \
> host-pkgconf
> PINENTRY_CONF_OPTS += --without-libcap # requires PAM
>
> +# pinentry uses some std::string functionality that needs C++11
> +# support when gcc >= 5.x. This should be removed when bumping
> +# pinentry, since newer versions no longer use std::string.
> +ifeq ($(BR2_TOOLCHAIN_GCC_AT_LEAST_5),y)
> +PINENTRY_CONF_ENV = CXXFLAGS="$(TARGET_CXXFLAGS) -std=gnu++11"
> +endif
> +
> # build with X if available
> ifeq ($(BR2_PACKAGE_XORG7),y)
> PINENTRY_CONF_OPTS += --with-x
> --
> 2.7.4
>
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