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package/erlang: support build when gcc __atomic_* exist

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While Erlang will use it's own atomic operations, it can also use gcc
__atomic_* builtins. This is now listed in Erlang's HOWTO/INSTALL.md.

This change was necessary on RISC-V, since Erlang didn't have a built-in
implementation, but it was able to use gcc's __atomic_* functions.

Signed-off-by: Frank Hunleth <fhunleth@troodon-software.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Frank Hunleth 2021-05-08 18:24:19 -04:00 committed by Thomas Petazzoni
parent 46c4204286
commit 0bab8c1089
1 changed files with 4 additions and 2 deletions
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6
package/erlang/Config.in
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@ -6,9 +6,11 @@ config BR2_PACKAGE_HOST_ERLANG_ARCH_SUPPORTS
config BR2_PACKAGE_ERLANG_ARCH_SUPPORTS
bool
# see HOWTO/INSTALL.md for Erlang's supported platforms
# when using its native atomic ops implementation
# when using its native atomic ops implementation or gcc's
# __atomic_* builtins
default y if BR2_i386 || BR2_x86_64 || BR2_powerpc || \
BR2_sparc_v9 || BR2_arm || BR2_aarch64 || BR2_mipsel
BR2_sparc_v9 || BR2_arm || BR2_aarch64 || BR2_mipsel || \
BR2_TOOLCHAIN_HAS_ATOMIC
# erlang needs host-erlang
depends on BR2_PACKAGE_HOST_ERLANG_ARCH_SUPPORTS