package/gcc: re-enable gcc 8.x for PowerPC SPE
The GCC-7.x compiler series was the last to officially support PowerPC SPE CPUs. Now that GCC-8.x is the default compiler used by Buildroot, some defconfigs, notably the arcturus_ucp1020_defconfig and freescale_p1025twr_defconfig ones started to fail building, as they are PowerPC SPE platforms. In fact, the GCC-8.x compiler series continues to support PowerPC SPE CPU cores, but only as an --enable-obsoleted instruction set. This patch enables the use of GCC-8.x and asserts the required option to enable the PowerPC SPE instruction set. This patch passes compilation and run tests with the arcturus/ppc-ucp1020 board. This patch should address a noted job failure on GitLab CI https://gitlab.com/buildroot.org/buildroot/-/jobs/805461732 Fixes: https://gitlab.com/buildroot.org/buildroot/-/jobs/805461732 Signed-off-by: Michael Durrant <mdurrant@ArcturusNetworks.com> Signed-off-by: Oleksandr G Zhadan <Oleks@ArcturusNetworks.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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@ -25,9 +25,6 @@ config BR2_GCC_VERSION_8_X
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depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_9
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# Broken or unsupported architectures
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depends on !BR2_or1k
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# powerpc spe support has been deprecated since gcc 8.x.
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# https://gcc.gnu.org/ml/gcc/2018-04/msg00102.html
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depends on !BR2_powerpc_SPE
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select BR2_TOOLCHAIN_GCC_AT_LEAST_8
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config BR2_GCC_VERSION_9_X
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@ -217,6 +217,7 @@ endif
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# Enable proper double/long double for SPE ABI
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ifeq ($(BR2_powerpc_SPE),y)
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HOST_GCC_COMMON_CONF_OPTS += \
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--enable-obsolete \
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--enable-e500_double \
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--with-long-double-128
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endif
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