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commit 6067315d58ff3d49b305ae3c99810656856c8e21
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Author: Josh Stone <jistone@redhat.com>
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Date: Mon Mar 30 14:03:39 2020 -0700
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Ensure LLVM is in the link path for "fulldeps" tests
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This is a follow-up to #70123, which added `llvm-config --libdir` to the
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`LIBRARY_PATH` for rustc tools. We need the same for "run-make-fulldeps"
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and "ui-fulldeps" tests which depend on compiler libraries, implicitly
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needing to link to `-lLLVM` as well.
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diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs
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index 5b946b05735d..2499856235f1 100644
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--- a/src/bootstrap/test.rs
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+++ b/src/bootstrap/test.rs
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@@ -21,7 +21,7 @@ use crate::flags::Subcommand;
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use crate::native;
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use crate::tool::{self, SourceType, Tool};
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use crate::toolstate::ToolState;
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-use crate::util::{self, dylib_path, dylib_path_var};
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+use crate::util::{self, add_link_lib_path, dylib_path, dylib_path_var};
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use crate::Crate as CargoCrate;
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use crate::{envify, DocTests, GitRepo, Mode};
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@@ -1178,6 +1178,15 @@ impl Step for Compiletest {
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cmd.arg("--system-llvm");
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}
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+ // Tests that use compiler libraries may inherit the `-lLLVM` link
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+ // requirement, but the `-L` library path is not propagated across
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+ // separate compilations. We can add LLVM's library path to the
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+ // platform-specific environment variable as a workaround.
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+ if !builder.config.dry_run && suite.ends_with("fulldeps") {
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+ let llvm_libdir = output(Command::new(&llvm_config).arg("--libdir"));
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+ add_link_lib_path(vec![llvm_libdir.trim().into()], &mut cmd);
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+ }
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+
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// Only pass correct values for these flags for the `run-make` suite as it
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// requires that a C++ compiler was configured which isn't always the case.
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if !builder.config.dry_run && suite == "run-make-fulldeps" {
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