From ca4bfb0f2de7a2c9997f92574be65fcba4e86d64 Mon Sep 17 00:00:00 2001 From: Efraim Flashner Date: Sun, 10 Jul 2022 20:18:05 +0300 Subject: gnu: rust-bootstrap: Add support for riscv64-linux. * gnu/packages/rust.scm (%mrustc-source): Add patch. (rust-bootstrap)[native-inputs]: On riscv64-linux add gcc@9:lib. [supported-systems]: Add riscv64-linux. Adjust comment. * gnu/packages/patches/mrustc-riscv64-support.patch: New file. * gnu/local.mk (dist_patch_DATA): Register it. --- gnu/packages/patches/mrustc-riscv64-support.patch | 48 +++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 gnu/packages/patches/mrustc-riscv64-support.patch (limited to 'gnu/packages/patches/mrustc-riscv64-support.patch') diff --git a/gnu/packages/patches/mrustc-riscv64-support.patch b/gnu/packages/patches/mrustc-riscv64-support.patch new file mode 100644 index 0000000000..6312116585 --- /dev/null +++ b/gnu/packages/patches/mrustc-riscv64-support.patch @@ -0,0 +1,48 @@ +Patch sent upstream for review: +https://github.com/thepowersgang/mrustc/pull/276 + +diff --git a/src/trans/target.cpp b/src/trans/target.cpp +index 420a2870..4d5eefb3 100644 +--- a/src/trans/target.cpp ++++ b/src/trans/target.cpp +@@ -65,6 +65,13 @@ const TargetArch ARCH_POWERPC64LE = { + { /*atomic(u8)=*/true, true, true, true, true }, + TargetArch::Alignments(2, 4, 8, 16, 4, 8, 8) + }; ++// This is a guess ++const TargetArch ARCH_RISCV64 = { ++ "riscv64", ++ 64, false, ++ { /*atomic(u8)=*/true, true, true, true, true }, ++ TargetArch::Alignments(2, 4, 8, 16, 4, 8, 8) ++}; + TargetSpec g_target; + + +@@ -455,6 +462,13 @@ namespace + ARCH_POWERPC64LE + }; + } ++ else if(target_name == "riscv64-unknown-linux-gnu") ++ { ++ return TargetSpec { ++ "unix", "linux", "gnu", {CodegenMode::Gnu11, false, "riscv64-unknown-linux-gnu", BACKEND_C_OPTS_GNU}, ++ ARCH_RISCV64 ++ }; ++ } + else if(target_name == "i586-pc-windows-gnu") + { + return TargetSpec { +diff --git a/tools/common/target_detect.h b/tools/common/target_detect.h +index a052da6b..42fea91a 100644 +--- a/tools/common/target_detect.h ++++ b/tools/common/target_detect.h +@@ -34,6 +34,8 @@ + # define DEFAULT_TARGET_NAME "powerpc64-unknown-linux-gnu" + # elif defined(__powerpc64__) && defined(__LITTLE_ENDIAN__) + # define DEFAULT_TARGET_NAME "powerpc64le-unknown-linux-gnu" ++# elif defined(__riscv) && __riscv_xlen == 64 ++# define DEFAULT_TARGET_NAME "riscv64-unknown-linux-gnu" + # else + # warning "Unable to detect a suitable default target (linux-gnu)" + # endif -- cgit v1.2.3