[Buildroot] [PATCH] package/mesa3d: disable --as-needed linker flag for Codesourcery ARM 2014.05 toolchain
Yann E. MORIN
yann.morin.1998 at free.fr
Sun Jun 14 07:40:29 UTC 2020
Romain, All,
On 2020-06-13 12:47 +0200, Romain Naour spake thusly:
> Meson build system enable by default -Wl,--as-needed [1][2] in the linker command line
> and due to this the libmesa_dri_drivers.so build fail with the Codesourcery ARM and
> Aarch64 2014.05 toolchain:
What about removing this old toolchain, now?
Ditto other old toolchains?
> In order to build mesa3d with the CodeSourcery 2014.05 using --as-needed would be
> reorder the static librairies:
>
> diff --git a/src/mesa/drivers/dri/meson.build b/src/mesa/drivers/dri/meson.build
> index b09ca16e38a..9ac6731c522 100644
> --- a/src/mesa/drivers/dri/meson.build
> +++ b/src/mesa/drivers/dri/meson.build
> @@ -59,7 +59,7 @@ if _dri_drivers != []
> [],
> link_whole : _dri_drivers,
> link_with : [
> - libmegadriver_stub, libdricommon, libglapi,
> + libdricommon, libmegadriver_stub, libglapi,
> libmesa_classic,
> ],
That might make sense to push upstream, no?
> Instead, we can disable --as-needed from the meson build system using
> "-Db_asneeded=false" only for this toolchain.
>
> [1] https://mesonbuild.com/Builtin-options.html
> [2] https://wiki.gentoo.org/wiki/Project:Quality_Assurance/As-needed
>
> Fixes:
> http://autobuild.buildroot.net/results/eec39a4fbfbfaa58980fab36f2fd902a16eecf0f/build-end.log
>
> Signed-off-by: Romain Naour <romain.naour at gmail.com>
> Cc: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
> Cc: Bernd Kuhls <bernd.kuhls at t-online.de>
Applied to master, thanks.
Regards,
Yann E. MORIN.
> ---
> package/mesa3d/mesa3d.mk | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/package/mesa3d/mesa3d.mk b/package/mesa3d/mesa3d.mk
> index e726bd33b3..59d96fe7c2 100644
> --- a/package/mesa3d/mesa3d.mk
> +++ b/package/mesa3d/mesa3d.mk
> @@ -27,6 +27,12 @@ MESA3D_CONF_OPTS = \
> -Dgallium-omx=disabled \
> -Dpower8=false
>
> +# Codesourcery ARM 2014.05 fail to link libmesa_dri_drivers.so with --as-needed linker
> +# flag due to a linker bug between binutils 2.24 and 2.25 (2.24.51.20140217).
> +ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM),y)
> +MESA3D_CONF_OPTS += -Db_asneeded=false
> +endif
> +
> ifeq ($(BR2_PACKAGE_MESA3D_LLVM),y)
> MESA3D_DEPENDENCIES += host-llvm llvm
> MESA3D_MESON_EXTRA_BINARIES += llvm-config='$(STAGING_DIR)/usr/bin/llvm-config'
> --
> 2.25.4
>
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