diff --git a/src/librustc_codegen_llvm/back/link.rs b/src/librustc_codegen_llvm/back/link.rs index f1c0464f5f2..55ab0724e94 100644 --- a/src/librustc_codegen_llvm/back/link.rs +++ b/src/librustc_codegen_llvm/back/link.rs @@ -457,6 +457,21 @@ fn print_native_static_libs(sess: &Session, all_native_libs: &[NativeLibrary]) { } } +fn get_file_path(sess: &Session, name: &str) -> PathBuf { + let fs = sess.target_filesearch(PathKind::Native); + let file_path = fs.get_lib_path().join(name); + if file_path.exists() { + return file_path + } + for search_path in fs.search_paths() { + let file_path = search_path.dir.join(name); + if file_path.exists() { + return file_path + } + } + PathBuf::from(name) +} + // Create a dynamic library or executable // // This will invoke the system linker/cc to create the resulting file. This @@ -472,7 +487,6 @@ fn link_natively(sess: &Session, // The invocations of cc share some flags across platforms let (pname, mut cmd) = get_linker(sess, &linker, flavor); - let root = sess.target_filesearch(PathKind::Native).get_lib_path(); if let Some(args) = sess.target.target.options.pre_link_args.get(&flavor) { cmd.args(args); } @@ -500,12 +514,12 @@ fn link_natively(sess: &Session, &sess.target.target.options.pre_link_objects_dll }; for obj in pre_link_objects { - cmd.arg(root.join(obj)); + cmd.arg(get_file_path(sess, obj)); } if crate_type == config::CrateType::Executable && sess.crt_static() { for obj in &sess.target.target.options.pre_link_objects_exe_crt { - cmd.arg(root.join(obj)); + cmd.arg(get_file_path(sess, obj)); } } @@ -529,11 +543,11 @@ fn link_natively(sess: &Session, cmd.args(args); } for obj in &sess.target.target.options.post_link_objects { - cmd.arg(root.join(obj)); + cmd.arg(get_file_path(sess, obj)); } if sess.crt_static() { for obj in &sess.target.target.options.post_link_objects_crt { - cmd.arg(root.join(obj)); + cmd.arg(get_file_path(sess, obj)); } } if let Some(args) = sess.target.target.options.post_link_args.get(&flavor) { diff --git a/src/test/run-make-fulldeps/libs-search-path/Makefile b/src/test/run-make-fulldeps/libs-search-path/Makefile new file mode 100644 index 00000000000..db0a069c3f5 --- /dev/null +++ b/src/test/run-make-fulldeps/libs-search-path/Makefile @@ -0,0 +1,16 @@ +-include ../tools.mk + +ifeq ($(if $(IS_WINDOWS),$(IS_MSVC),no),) + +all: empty.rs + cp -r $(shell cygpath -u $(shell $(RUSTC) --print sysroot)) $(TMPDIR)/sysroot + $(RUSTC) --target $(TARGET) --sysroot $(TMPDIR)/sysroot -L$(TMPDIR)/obj -Z print-link-args empty.rs | $(CGREP) 'lib\\crt2.o' + mkdir -p $(TMPDIR)/obj + mv $(TMPDIR)/sysroot/lib/rustlib/$(TARGET)/lib/crt2.o $(TMPDIR)/obj/crt2.o + $(RUSTC) --target $(TARGET) --sysroot $(TMPDIR)/sysroot -L$(TMPDIR)/obj -Z print-link-args empty.rs | $(CGREP) 'obj\\crt2.o' + +else + +all: + +endif diff --git a/src/test/run-make-fulldeps/libs-search-path/empty.rs b/src/test/run-make-fulldeps/libs-search-path/empty.rs new file mode 100644 index 00000000000..3f07b46791d --- /dev/null +++ b/src/test/run-make-fulldeps/libs-search-path/empty.rs @@ -0,0 +1,11 @@ +// Copyright 2018 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +fn main() {}