Disallow PPS SPE ABI

with GCC 9+ and GLIBC 2.30+, they no longer support it.

Signed-off-by: Alexey Neyman <stilor@att.net>

config/arch/powerpc.in

@@ -43,6 +43,8 @@ config ARCH_powerpc_ABI_EABI
 config ARCH_powerpc_ABI_SPE
     bool
     prompt "SPE"
+    select GCC_REQUIRE_8_or_older
+    select GLIBC_REQUIRE_2_29_or_older
     help
       Add support for the Signal Processing Engine.  This will set up
       the toolchain so that it supports the SPE ABI extensions. This
@@ -55,4 +57,6 @@ config ARCH_powerpc_ABI_SPE
       and "--enable-e500_double" to your CC_EXTRA_CONFIG_ARRAY, so you
       do not need to explicitly add them.
 
+      Support for SPE ABI has been removed in GCC 9.
+
 endchoice

packages/gcc/package.desc

@@ -2,5 +2,5 @@ repository='svn svn://gcc.gnu.org/svn/gcc'
 mirrors='$(CT_Mirrors GNU gcc/gcc-${CT_GCC_VERSION}) $(CT_Mirrors sourceware gcc/releases/gcc-${CT_GCC_VERSION})'
 relevantpattern='4.*|. *|.'
 origin='GNU'
-milestones='4.8 4.9 5 6 7'
+milestones='4.8 4.9 5 6 7 8'
 archive_formats='.tar.xz .tar.gz'