65 lines
2.3 KiB
Diff
65 lines
2.3 KiB
Diff
From 4f0e42ef109e688861abc33ae28dbb0bcba055aa Mon Sep 17 00:00:00 2001
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From: Samuel Holland <samuel@sholland.org>
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Date: Sat, 21 Dec 2019 16:49:07 +0100
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Subject: [PATCH 05/18] Prefer libgcc_eh over libunwind for musl
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+ @q66 changes to smaeul's original patch for Void's musl setup
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---
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src/libunwind/build.rs | 17 ++---------------
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src/libunwind/lib.rs | 2 +-
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2 files changed, 3 insertions(+), 16 deletions(-)
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diff --git a/src/libunwind/build.rs b/src/libunwind/build.rs
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index b8db16f8..0c69b9d2 100644
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--- a/src/libunwind/build.rs
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+++ b/src/libunwind/build.rs
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@@ -5,15 +5,11 @@ fn main() {
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let target = env::var("TARGET").expect("TARGET was not set");
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if cfg!(feature = "llvm-libunwind") &&
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- ((target.contains("linux") && !target.contains("musl")) ||
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- target.contains("fuchsia")) {
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+ (target.contains("linux") || target.contains("fuchsia")) {
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// Build the unwinding from libunwind C/C++ source code.
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llvm_libunwind::compile();
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} else if target.contains("linux") {
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- if target.contains("musl") {
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- // linking for musl is handled in lib.rs
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- llvm_libunwind::compile();
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- } else if !target.contains("android") {
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+ if !target.contains("android") {
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println!("cargo:rustc-link-lib=gcc_s");
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}
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} else if target.contains("freebsd") {
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@@ -105,15 +101,6 @@ mod llvm_libunwind {
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cfg.file(root.join("src").join(src));
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}
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- if target_env == "musl" {
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- // use the same C compiler command to compile C++ code so we do not need to setup the
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- // C++ compiler env variables on the builders
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- cfg.cpp(false);
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- // linking for musl is handled in lib.rs
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- cfg.cargo_metadata(false);
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- println!("cargo:rustc-link-search=native={}", env::var("OUT_DIR").unwrap());
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- }
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-
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cfg.compile("unwind");
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}
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}
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diff --git a/src/libunwind/lib.rs b/src/libunwind/lib.rs
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index 8d916447..6d653d41 100644
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--- a/src/libunwind/lib.rs
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+++ b/src/libunwind/lib.rs
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@@ -21,7 +21,7 @@ cfg_if::cfg_if! {
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}
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#[cfg(target_env = "musl")]
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-#[link(name = "unwind", kind = "static", cfg(target_feature = "crt-static"))]
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+#[link(name = "gcc_eh", cfg(target_feature = "crt-static"))]
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#[link(name = "gcc_s", cfg(not(target_feature = "crt-static")))]
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extern {}
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--
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2.24.0
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