54 lines
2.6 KiB
Diff
54 lines
2.6 KiB
Diff
From 5273432acfae75d6e509bbebcf8d28b0f3d820d0 Mon Sep 17 00:00:00 2001
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From: Josh Stone <jistone@redhat.com>
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Date: Fri, 9 Jun 2023 15:23:08 -0700
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Subject: [PATCH] Let environment variables override some default CPUs
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---
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.../src/spec/targets/powerpc64le_unknown_linux_gnu.rs | 2 +-
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.../rustc_target/src/spec/targets/s390x_unknown_linux_gnu.rs | 2 +-
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.../rustc_target/src/spec/targets/x86_64_unknown_linux_gnu.rs | 2 +-
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3 files changed, 3 insertions(+), 3 deletions(-)
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diff --git a/compiler/rustc_target/src/spec/targets/powerpc64le_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/targets/powerpc64le_unknown_linux_gnu.rs
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index 23913687a1fd..3253fbc84c74 100644
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--- a/compiler/rustc_target/src/spec/targets/powerpc64le_unknown_linux_gnu.rs
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+++ b/compiler/rustc_target/src/spec/targets/powerpc64le_unknown_linux_gnu.rs
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@@ -2,7 +2,7 @@
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pub(crate) fn target() -> Target {
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let mut base = base::linux_gnu::opts();
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- base.cpu = "ppc64le".into();
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+ base.cpu = option_env!("RUSTC_TARGET_CPU_PPC64LE").unwrap_or("ppc64le").into();
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base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m64"]);
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base.max_atomic_width = Some(64);
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base.stack_probes = StackProbeType::Inline;
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diff --git a/compiler/rustc_target/src/spec/targets/s390x_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/targets/s390x_unknown_linux_gnu.rs
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index a84a18a433ff..441af1018ff3 100644
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--- a/compiler/rustc_target/src/spec/targets/s390x_unknown_linux_gnu.rs
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+++ b/compiler/rustc_target/src/spec/targets/s390x_unknown_linux_gnu.rs
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@@ -5,7 +5,7 @@ pub(crate) fn target() -> Target {
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let mut base = base::linux_gnu::opts();
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base.endian = Endian::Big;
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// z10 is the oldest CPU supported by LLVM
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- base.cpu = "z10".into();
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+ base.cpu = option_env!("RUSTC_TARGET_CPU_S390X").unwrap_or("z10").into();
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base.max_atomic_width = Some(128);
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base.min_global_align = Some(16);
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base.stack_probes = StackProbeType::Inline;
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diff --git a/compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnu.rs
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index 59ec6c7f9d5f..b6f1be890b20 100644
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--- a/compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnu.rs
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+++ b/compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnu.rs
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@@ -2,7 +2,7 @@
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pub(crate) fn target() -> Target {
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let mut base = base::linux_gnu::opts();
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- base.cpu = "x86-64".into();
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+ base.cpu = option_env!("RUSTC_TARGET_CPU_X86_64").unwrap_or("x86-64").into();
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base.plt_by_default = false;
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base.max_atomic_width = Some(64);
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base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m64"]);
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--
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2.47.1
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