Sergei Trofimovich 71f10994f2 simh: add -fcommon workaround ... Without the change -fno-common toolchains like upstream gcc-10 or clang-11+ fail to build simh as: $ nix build --impure --expr 'with import ~/nm {}; simh.override { stdenv = clang13Stdenv; }' ... ld: /build/pdp11_io-0c74f0.o:(.bss+0x10c00): multiple definition of `uc15_memsize'; /build/pdp11_cis-17339e.o:(.bss+0x118): first defined here ld: /build/pdp11_io_lib-296a06.o:(.bss+0x8000): multiple definition of `uc15_memsize'; /build/pdp11_cis-17339e.o:(.bss+0x118): first defined here		2022-05-07 07:36:11 +01:00
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default.nix