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toolchain: remove CodeSourcery sh toolchain

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Since glibc 2.17, executable link command need not include the -lrt option for
clock_* system calls. As a result, over time less and less software packages
bother to check whether to toolchain needs -lrt. We are now at a point where
maintainers refuse to add this complexity into their build system. This
requires Buildroot to carry patches fixing this issue indefinitely.

glibc 2.17 is now 4.5 years old. There is no reason to use an older version
with current software.

This commit removes the predefined profile for CodeSourcery sh toolchain that
is based on glibc 2.16. One may still use the custom external toolchain
support in Buildroot to get this toolchain back, and deal with any build
issues that this toolchain causes.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Baruch Siach
2017-06-16 06:32:48 +03:00
committed by Thomas Petazzoni
parent 06cac6460f
commit 6510a826e1
6 changed files with 9 additions and 56 deletions
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9
Config.in.legacy
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@@ -145,6 +145,15 @@ endif
###############################################################################
comment "Legacy options removed in 2017.08"
config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH
bool "SH Sourcery toolchain has been removed"
select BR2_LEGACY
help
The Sourcery CodeBench toolchain for the sh architecture has
been removed, since it uses glibc older than 2.17 that requires
-lrt to link executables using clock_* system calls. This makes
this toolchain difficult to maintain over time.
config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86
bool "x86 Sourcery toolchain has been removed"
select BR2_LEGACY