https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85142
--- Comment #5 from Richard W.M. Jones <rjones at redhat dot com> --- I'm not the original reporter but you could give us a few *minutes* at least to resolve these questions by just asking. The patch in question is this one. (I didn't write it, it was written by David the reporter.) ff --git a/gcc/config/riscv/t-linux-multilib b/gcc/config/riscv/t-linux-multilib index 298547f..5f08626 100644 --- a/gcc/config/riscv/t-linux-multilib +++ b/gcc/config/riscv/t-linux-multilib @@ -20,27 +20,4 @@ rv64gc ilp32 \ ilp32d \ lp64 \ lp64d -MULTILIB_REQUIRED = march=rv32imac/mabi=ilp32 \ -march=rv32imafdc/mabi=ilp32d \ -march=rv64imac/mabi=lp64 \ -march=rv64imafdc/mabi=lp64d -MULTILIB_REUSE = march.rv32imac/mabi.ilp32=march.rv32ima/mabi.ilp32 \ -march.rv32imac/mabi.ilp32=march.rv32imaf/mabi.ilp32 \ -march.rv32imac/mabi.ilp32=march.rv32imafd/mabi.ilp32 \ -march.rv32imac/mabi.ilp32=march.rv32imafc/mabi.ilp32 \ -march.rv32imac/mabi.ilp32=march.rv32imafdc/mabi.ilp32 \ -march.rv32imac/mabi.ilp32=march.rv32g/mabi.ilp32 \ -march.rv32imac/mabi.ilp32=march.rv32gc/mabi.ilp32 \ -march.rv32imafdc/mabi.ilp32d=march.rv32imafd/mabi.ilp32d \ -march.rv32imafdc/mabi.ilp32d=march.rv32gc/mabi.ilp32d \ -march.rv32imafdc/mabi.ilp32d=march.rv32g/mabi.ilp32d \ -march.rv64imac/mabi.lp64=march.rv64ima/mabi.lp64 \ -march.rv64imac/mabi.lp64=march.rv64imaf/mabi.lp64 \ -march.rv64imac/mabi.lp64=march.rv64imafd/mabi.lp64 \ -march.rv64imac/mabi.lp64=march.rv64imafc/mabi.lp64 \ -march.rv64imac/mabi.lp64=march.rv64imafdc/mabi.lp64 \ -march.rv64imac/mabi.lp64=march.rv64g/mabi.lp64 \ -march.rv64imac/mabi.lp64=march.rv64gc/mabi.lp64 \ -march.rv64imafdc/mabi.lp64d=march.rv64imafd/mabi.lp64d \ -march.rv64imafdc/mabi.lp64d=march.rv64gc/mabi.lp64d \ -march.rv64imafdc/mabi.lp64d=march.rv64g/mabi.lp64d +MULTILIB_REQUIRED = march=rv64imafdc/mabi=lp64d