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package/gcc: add support for gcc 7

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Remove upstream patches:

831-ARM-PR-target-70473-Reduce-size-of-Cortex-A8-automat.patch

870-xtensa-Fix-PR-target-78118.patch

871-xtensa-Fix-PR-target-78603.patch

890-fix-m68k-compile.patch:
1701058da9

892-libgcc-mkmap-symver-support-skip_underscore.patch:
6c8f362e1f

893-libgcc-config-bfin-use-the-generic-linker-version-in.patch:
966d046c08

894-libgcc-fix-DWARF-compilation-with-FDPIC-targets.patch:
397d0e43ab

895-bfin-define-REENTRANT.patch:
da89a4dcdf

940-uclinux-enable-threads.patch:
b9ce54109e

941-mips-Add-support-for-mips-r6-musl.patch:
8371706509

Remove obsolete patches:

301-missing-execinfo_h.patch: boehm-gc removed from gcc sources:
baf7122876

830-arm_unbreak_armv4t.patch: SUBTARGET_CPU_DEFAULT removed:
ff3caa3ade

Add a new patch to allow to build gcc 7.1 without extracting gcc/testsuite
directory.

This new gcc version require a kernel patch [1] to avoid a build issue with
____ilog2_NaN symbol. The following kernel version contain contain already
this patch :
4.11, 4.10.6, 4.9.18, 4.4.57, 3.18.50 and 3.12.73.

To build a toolchain based on gcc 7 and uClibc-ng 1.0.24, the patch [2] is
required to avoid a build issue due to missing aligned_alloc() definition.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=474c90156c8dcc2fa815e6716cc9394d7930cb9c
[2] https://cgit.openadk.org/cgi/cgit/uclibc-ng.git/commit/?id=5b0f49037e8ea8500b05c8f31ee88529ccac4cee

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Tested-by: Theodore Ateba <tf.ateba@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Romain Naour
2017-05-23 22:24:39 +02:00
committed by Thomas Petazzoni
parent 10809c03ad
commit 4314161159
9 changed files with 301 additions and 0 deletions
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5
toolchain/toolchain-common.in
View File

@@ -320,10 +320,15 @@ config BR2_TOOLCHAIN_GCC_AT_LEAST_6
bool
select BR2_TOOLCHAIN_GCC_AT_LEAST_5
config BR2_TOOLCHAIN_GCC_AT_LEAST_7
bool
select BR2_TOOLCHAIN_GCC_AT_LEAST_6
# This order guarantees that the highest version is set, as kconfig
# stops affecting a value on the first matching default.
config BR2_TOOLCHAIN_GCC_AT_LEAST
string
default "7" if BR2_TOOLCHAIN_GCC_AT_LEAST_7
default "6" if BR2_TOOLCHAIN_GCC_AT_LEAST_6
default "5" if BR2_TOOLCHAIN_GCC_AT_LEAST_5
default "4.9" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_9

4
toolchain/toolchain-external/toolchain-external-custom/Config.in.options
View File

@@ -23,6 +23,10 @@ choice
Set to the gcc version that is used by your external
toolchain.
config BR2_TOOLCHAIN_EXTERNAL_GCC_7
bool "7.x"
select BR2_TOOLCHAIN_GCC_AT_LEAST_7
config BR2_TOOLCHAIN_EXTERNAL_GCC_6
bool "6.x"
select BR2_TOOLCHAIN_GCC_AT_LEAST_6