From: Shiz <hi@shiz.me>, updated by Rasmus Thomsen <oss@cogitri.dev> on 28th of July 2019
Date: Thu, 20 Aug 2017 01:52:36 +0200
Last-Updated: Sat, 28 Oct 2017 20:23:00 +0200
Subject: [PATCH] Add Alpine targets

This adds `$arch-alpine-linux-musl` targets to Rust to encode our toolchain
and distribution-specific quirks instead of polluting the main musl target of
`$arch-unknown-linux-musl`.

--- a/src/librustc_target/spec/mod.rs.orig     2019-05-23 21:05:45.173347119 +0200
+++ b/src/librustc_target/spec/mod.rs  2019-05-23 21:06:39.006681699 +0200
@@ -328,6 +328,12 @@ macro_rules! supported_targets {
 }
 
 supported_targets! {
+    ("i586-alpine-linux-musl", i586_alpine_linux_musl),
+    ("x86_64-alpine-linux-musl", x86_64_alpine_linux_musl),
+    ("aarch64-alpine-linux-musl", aarch64_alpine_linux_musl),
+    ("armv6-alpine-linux-musleabihf", armv6_alpine_linux_musleabihf),
+    ("armv7-alpine-linux-musleabihf", armv7_alpine_linux_musleabihf),
+    ("powerpc64le-alpine-linux-musl", powerpc64le_alpine_linux_musl),
     ("x86_64-unknown-linux-gnu", x86_64_unknown_linux_gnu),
     ("x86_64-unknown-linux-gnux32", x86_64_unknown_linux_gnux32),
     ("i686-unknown-linux-gnu", i686_unknown_linux_gnu),
--- /dev/null
+++ b/src/librustc_target/spec/aarch64_alpine_linux_musl.rs
@@ -0,0 +1,13 @@
+use crate::spec::TargetResult;
+
+pub fn target() -> TargetResult {
+    let mut base = super::aarch64_unknown_linux_musl::target()?;
+
+    base.llvm_target = "aarch64-alpine-linux-musl".to_string();
+    base.target_vendor = "alpine".to_string();
+    base.options.crt_static_default = false;
+    base.options.static_position_independent_executables = true;
+    base.options.need_rpath = true;
+
+    Ok(base)
+}
--- /dev/null
+++ b/src/librustc_target/spec/armv6_alpine_linux_musleabihf.rs
@@ -0,0 +1,13 @@
+use crate::spec::TargetResult;
+
+pub fn target() -> TargetResult {
+    let mut base = super::arm_unknown_linux_musleabihf::target()?;
+
+    base.llvm_target = "armv6-alpine-linux-musleabihf".to_string();
+    base.target_vendor = "alpine".to_string();
+    base.options.crt_static_default = false;
+    base.options.static_position_independent_executables = true;
+    base.options.need_rpath = true;
+
+    Ok(base)
+}
--- /dev/null
+++ b/src/librustc_target/spec/armv7_alpine_linux_musleabihf.rs
@@ -0,0 +1,13 @@
+use crate::spec::TargetResult;
+
+pub fn target() -> TargetResult {
+    let mut base = super::armv7_unknown_linux_musleabihf::target()?;
+
+    base.llvm_target = "armv7-alpine-linux-musleabihf".to_string();
+    base.target_vendor = "alpine".to_string();
+    base.options.crt_static_default = false;
+    base.options.static_position_independent_executables = true;
+    base.options.need_rpath = true;
+
+    Ok(base)
+}
--- /dev/null
+++ b/src/librustc_target/spec/i586_alpine_linux_musl.rs
@@ -0,0 +1,14 @@
+use crate::spec::TargetResult;
+
+pub fn target() -> TargetResult {
+    let mut base = super::i686_unknown_linux_musl::target()?;
+
+    base.options.cpu = "pentium4".to_string();
+    base.llvm_target = "i586-alpine-linux-musl".to_string();
+    base.target_vendor = "alpine".to_string();
+    base.options.crt_static_default = false;
+    base.options.static_position_independent_executables = true;
+    base.options.need_rpath = true;
+
+    Ok(base)
+}
--- /dev/null
+++ b/src/librustc_target/spec/powerpc64le_alpine_linux_musl.rs
@@ -0,0 +1,13 @@
+use crate::spec::TargetResult;
+
+pub fn target() -> TargetResult {
+    let mut base = super::powerpc64le_unknown_linux_musl::target()?;
+
+    base.llvm_target = "powerpc64le-alpine-linux-musl".to_string();
+    base.target_vendor = "alpine".to_string();
+    base.options.crt_static_default = false;
+    base.options.static_position_independent_executables = true;
+    base.options.need_rpath = true;
+
+    Ok(base)
+}
--- /dev/null
+++ b/src/librustc_target/spec/x86_64_alpine_linux_musl.rs
@@ -0,0 +1,13 @@
+use crate::spec::TargetResult;
+
+pub fn target() -> TargetResult {
+    let mut base = super::x86_64_unknown_linux_musl::target()?;
+
+    base.llvm_target = "x86_64-alpine-linux-musl".to_string();
+    base.target_vendor = "alpine".to_string();
+    base.options.crt_static_default = false;
+    base.options.static_position_independent_executables = true;
+    base.options.need_rpath = true;
+
+    Ok(base)
+}