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https://bugs.gentoo.org/959467
https://debbugs.gnu.org/79491
GL_CRC_X86_64_PCLMUL in effect overrides the earlier configure check which
sets USE_PCLMUL_CRC32, so -mno-pclmul leads to a build failure. Just use
the coreutils config check result for now.
Thanks to Ionen Wolkens <ionen@gentoo.org> for the investigation and
workaround.
--- a/src/cksum.c
+++ b/src/cksum.c
@@ -145,5 +145,5 @@
pclmul_supported (void)
{
-# if USE_PCLMUL_CRC32 || GL_CRC_X86_64_PCLMUL
+# if USE_PCLMUL_CRC32
bool pclmul_enabled = (0 < __builtin_cpu_supports ("pclmul")
&& 0 < __builtin_cpu_supports ("avx"));
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