Add test case for including upstream object files in staticlibs when doing cross-lang LTO.
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-include ../tools.mk
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# This test makes sure that we don't loose upstream object files when compiling
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# staticlibs with -Zcross-lang-lto
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all: staticlib.rs upstream.rs
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$(RUSTC) upstream.rs -Z cross-lang-lto -Ccodegen-units=1
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# Check No LTO
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$(RUSTC) staticlib.rs -Z cross-lang-lto -Ccodegen-units=1 -L. -o $(TMPDIR)/staticlib.a
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(cd $(TMPDIR); llvm-ar x ./staticlib.a)
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# Make sure the upstream object file was included
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ls upstream.*.rcgu.o
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# Cleanup
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rm $(TMPDIR)/*
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# Check ThinLTO
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$(RUSTC) upstream.rs -Z cross-lang-lto -Ccodegen-units=1 -Clto=thin
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$(RUSTC) staticlib.rs -Z cross-lang-lto -Ccodegen-units=1 -Clto=thin -L. -o $(TMPDIR)/staticlib.a
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(cd $(TMPDIR); llvm-ar x ./staticlib.a)
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ls upstream.*.rcgu.o
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// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![crate_type="staticlib"]
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extern crate upstream;
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#[no_mangle]
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pub extern fn bar() {
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upstream::foo();
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}
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// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![crate_type = "rlib"]
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pub fn foo() {}
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