98 lines
5.0 KiB
Diff
98 lines
5.0 KiB
Diff
From e3b7d2e3d3b4fcbc6591de606957c0fd59b5e547 Mon Sep 17 00:00:00 2001
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From: Josh Stone <jistone@redhat.com>
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Date: Thu, 28 Sep 2023 18:18:16 -0700
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Subject: [PATCH 2/2] set an external library path for wasm32-wasi
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---
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compiler/rustc_codegen_ssa/src/back/link.rs | 9 +++++++++
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compiler/rustc_target/src/spec/mod.rs | 4 ++++
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compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs | 7 ++++---
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3 files changed, 17 insertions(+), 3 deletions(-)
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diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs
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index f5e8d5fc92a9..f4ad3f725427 100644
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--- a/compiler/rustc_codegen_ssa/src/back/link.rs
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+++ b/compiler/rustc_codegen_ssa/src/back/link.rs
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@@ -1563,6 +1563,12 @@ fn get_object_file_path(sess: &Session, name: &str, self_contained: bool) -> Pat
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return file_path;
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}
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}
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+ if let Some(lib_path) = &sess.target.options.external_lib_path {
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+ let file_path = Path::new(lib_path.as_ref()).join(name);
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+ if file_path.exists() {
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+ return file_path;
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+ }
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+ }
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for search_path in fs.search_paths() {
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let file_path = search_path.dir.join(name);
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if file_path.exists() {
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@@ -2049,6 +2055,9 @@ fn add_library_search_dirs(cmd: &mut dyn Linker, sess: &Session, self_contained:
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let lib_path = sess.target_filesearch(PathKind::All).get_self_contained_lib_path();
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cmd.include_path(&fix_windows_verbatim_for_gcc(&lib_path));
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}
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+ if let Some(lib_path) = &sess.target.options.external_lib_path {
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+ cmd.include_path(Path::new(lib_path.as_ref()));
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+ }
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}
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/// Add options making relocation sections in the produced ELF files read-only
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diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs
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index 941d767b850d..cd0a2ce51989 100644
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--- a/compiler/rustc_target/src/spec/mod.rs
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+++ b/compiler/rustc_target/src/spec/mod.rs
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@@ -1881,6 +1881,7 @@ pub struct TargetOptions {
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/// Objects to link before and after all other object code.
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pub pre_link_objects: CrtObjects,
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pub post_link_objects: CrtObjects,
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+ pub external_lib_path: Option<StaticCow<str>>,
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/// Same as `(pre|post)_link_objects`, but when self-contained linking mode is enabled.
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pub pre_link_objects_self_contained: CrtObjects,
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pub post_link_objects_self_contained: CrtObjects,
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@@ -2368,6 +2369,7 @@ fn default() -> TargetOptions {
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relro_level: RelroLevel::None,
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pre_link_objects: Default::default(),
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post_link_objects: Default::default(),
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+ external_lib_path: None,
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pre_link_objects_self_contained: Default::default(),
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post_link_objects_self_contained: Default::default(),
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link_self_contained: LinkSelfContainedDefault::False,
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@@ -3064,6 +3066,7 @@ macro_rules! key {
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key!(linker_is_gnu_json = "linker-is-gnu", bool);
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key!(pre_link_objects = "pre-link-objects", link_objects);
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key!(post_link_objects = "post-link-objects", link_objects);
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+ key!(external_lib_path, optional);
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key!(pre_link_objects_self_contained = "pre-link-objects-fallback", link_objects);
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key!(post_link_objects_self_contained = "post-link-objects-fallback", link_objects);
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// Deserializes the backwards-compatible variants of `-Clink-self-contained`
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@@ -3327,6 +3330,7 @@ macro_rules! target_option_val {
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target_option_val!(linker_is_gnu_json, "linker-is-gnu");
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target_option_val!(pre_link_objects);
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target_option_val!(post_link_objects);
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+ target_option_val!(external_lib_path);
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target_option_val!(pre_link_objects_self_contained, "pre-link-objects-fallback");
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target_option_val!(post_link_objects_self_contained, "post-link-objects-fallback");
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target_option_val!(link_args - pre_link_args_json, "pre-link-args");
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diff --git a/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs b/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs
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index 7cbe9f09e6ca..b524890c2ec5 100644
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--- a/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs
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+++ b/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs
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@@ -20,11 +20,12 @@ pub fn target() -> Target {
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options.os = "wasi".into();
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options.add_pre_link_args(LinkerFlavor::WasmLld(Cc::Yes), &["--target=wasm32-wasi"]);
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- options.pre_link_objects_self_contained = crt_objects::pre_wasi_self_contained();
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- options.post_link_objects_self_contained = crt_objects::post_wasi_self_contained();
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+ options.pre_link_objects = crt_objects::pre_wasi_self_contained();
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+ options.post_link_objects = crt_objects::post_wasi_self_contained();
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// FIXME: Figure out cases in which WASM needs to link with a native toolchain.
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- options.link_self_contained = LinkSelfContainedDefault::True;
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+ options.link_self_contained = LinkSelfContainedDefault::False;
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+ options.external_lib_path = Some("/usr/wasm32-wasi/lib/wasm32-wasi".into());
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// Right now this is a bit of a workaround but we're currently saying that
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// the target by default has a static crt which we're taking as a signal
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--
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2.44.0
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