r193528 - Support cross linking to arm on ubuntu.
Rafael Espindola
rafael.espindola at gmail.com
Mon Oct 28 11:52:31 PDT 2013
Author: rafael
Date: Mon Oct 28 13:52:30 2013
New Revision: 193528
URL: http://llvm.org/viewvc/llvm-project?rev=193528&view=rev
Log:
Support cross linking to arm on ubuntu.
With this patch we correctly determine that ubuntu's ARM tree is not biarch
and use "lib" istead of "lib32".
Without this patch the search inside the arm tree for the crt files was failing
and we would end up trying to use the i686 ones in lib32.
Added:
cfe/trunk/test/Driver/Inputs/fedora_18_tree/etc/
cfe/trunk/test/Driver/Inputs/fedora_18_tree/etc/redhat-release
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/etc/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/etc/debian_version
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/lib/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/lib/.keep
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabi/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabi/lib/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabi/lib/crt1.o
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabi/lib/crti.o
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabi/lib/crtn.o
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabihf/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabihf/lib/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabihf/lib/crt1.o
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabihf/lib/crti.o
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabihf/lib/crtn.o
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabi/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/crtbegin.o
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/crtend.o
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabihf/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/crtbegin.o
cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/crtend.o
Modified:
cfe/trunk/lib/Driver/ToolChains.cpp
cfe/trunk/test/Driver/cross-linux.c
cfe/trunk/test/Driver/linux-ld.c
Modified: cfe/trunk/lib/Driver/ToolChains.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains.cpp?rev=193528&r1=193527&r2=193528&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains.cpp Mon Oct 28 13:52:30 2013
@@ -2127,9 +2127,9 @@ static bool IsUbuntu(enum Distro Distro)
return Distro >= UbuntuHardy && Distro <= UbuntuSaucy;
}
-static Distro DetectDistro(llvm::Triple::ArchType Arch) {
+static Distro DetectDistro(StringRef Prefix, llvm::Triple::ArchType Arch) {
OwningPtr<llvm::MemoryBuffer> File;
- if (!llvm::MemoryBuffer::getFile("/etc/lsb-release", File)) {
+ if (!llvm::MemoryBuffer::getFile(Prefix + "/etc/lsb-release", File)) {
StringRef Data = File.get()->getBuffer();
SmallVector<StringRef, 8> Lines;
Data.split(Lines, "\n");
@@ -2153,7 +2153,7 @@ static Distro DetectDistro(llvm::Triple:
return Version;
}
- if (!llvm::MemoryBuffer::getFile("/etc/redhat-release", File)) {
+ if (!llvm::MemoryBuffer::getFile(Prefix + "/etc/redhat-release", File)) {
StringRef Data = File.get()->getBuffer();
if (Data.startswith("Fedora release"))
return Fedora;
@@ -2171,7 +2171,7 @@ static Distro DetectDistro(llvm::Triple:
return UnknownDistro;
}
- if (!llvm::MemoryBuffer::getFile("/etc/debian_version", File)) {
+ if (!llvm::MemoryBuffer::getFile(Prefix + "/etc/debian_version", File)) {
StringRef Data = File.get()->getBuffer();
if (Data[0] == '5')
return DebianLenny;
@@ -2184,13 +2184,13 @@ static Distro DetectDistro(llvm::Triple:
return UnknownDistro;
}
- if (llvm::sys::fs::exists("/etc/SuSE-release"))
+ if (llvm::sys::fs::exists(Prefix + "/etc/SuSE-release"))
return OpenSUSE;
- if (llvm::sys::fs::exists("/etc/exherbo-release"))
+ if (llvm::sys::fs::exists(Prefix + "/etc/exherbo-release"))
return Exherbo;
- if (llvm::sys::fs::exists("/etc/arch-release"))
+ if (llvm::sys::fs::exists(Prefix + "/etc/arch-release"))
return ArchLinux;
return UnknownDistro;
@@ -2265,9 +2265,14 @@ static void addPathIfExists(Twine Path,
}
static StringRef getMultilibDir(const llvm::Triple &Triple,
+ bool IsBiarch,
const ArgList &Args) {
- if (!isMipsArch(Triple.getArch()))
+ if (!isMipsArch(Triple.getArch())) {
+ if (!IsBiarch)
+ return "lib";
+
return Triple.isArch32Bit() ? "lib32" : "lib64";
+ }
// lib32 directory has a special meaning on MIPS targets.
// It contains N32 ABI binaries. Use this folder if produce
@@ -2297,7 +2302,7 @@ Linux::Linux(const Driver &D, const llvm
Linker = GetProgramPath("ld");
- Distro Distro = DetectDistro(Arch);
+ Distro Distro = DetectDistro(SysRoot, Arch);
if (IsOpenSUSE(Distro) || IsUbuntu(Distro)) {
ExtraOpts.push_back("-z");
@@ -2346,8 +2351,15 @@ Linux::Linux(const Driver &D, const llvm
// possible permutations of these directories, and seeing which ones it added
// to the link paths.
path_list &Paths = getFilePaths();
+ bool IsBiarch;
+ if (IsRedhat(Distro))
+ IsBiarch = true;
+ else if (GCCInstallation.isValid())
+ IsBiarch = !GCCInstallation.getBiarchSuffix().empty();
+ else
+ IsBiarch = true; // FIXME: is this a reasonable fallback?
- const std::string Multilib = getMultilibDir(Triple, Args);
+ const std::string Multilib = getMultilibDir(Triple, IsBiarch, Args);
const std::string MultiarchTriple = getMultiarchTriple(Triple, SysRoot);
// Add the multilib suffixed paths where they are available.
@@ -2419,7 +2431,7 @@ Linux::Linux(const Driver &D, const llvm
// Add the non-multilib suffixed paths (if potentially different).
const std::string &LibPath = GCCInstallation.getParentLibPath();
const llvm::Triple &GCCTriple = GCCInstallation.getTriple();
- if (!GCCInstallation.getBiarchSuffix().empty())
+ if (IsBiarch)
addPathIfExists(GCCInstallation.getInstallPath() +
GCCInstallation.getMultiLibSuffix(), Paths);
Added: cfe/trunk/test/Driver/Inputs/fedora_18_tree/etc/redhat-release
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/fedora_18_tree/etc/redhat-release?rev=193528&view=auto
==============================================================================
--- cfe/trunk/test/Driver/Inputs/fedora_18_tree/etc/redhat-release (added)
+++ cfe/trunk/test/Driver/Inputs/fedora_18_tree/etc/redhat-release Mon Oct 28 13:52:30 2013
@@ -0,0 +1 @@
+Fedora release 18 (Spherical Cow)
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/etc/debian_version
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/etc/debian_version?rev=193528&view=auto
==============================================================================
--- cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/etc/debian_version (added)
+++ cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/etc/debian_version Mon Oct 28 13:52:30 2013
@@ -0,0 +1 @@
+wheezy/sid
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/lib/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/lib/.keep?rev=193528&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabi/lib/crt1.o
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabi/lib/crt1.o?rev=193528&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabi/lib/crti.o
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabi/lib/crti.o?rev=193528&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabi/lib/crtn.o
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabi/lib/crtn.o?rev=193528&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabihf/lib/crt1.o
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabihf/lib/crt1.o?rev=193528&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabihf/lib/crti.o
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabihf/lib/crti.o?rev=193528&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabihf/lib/crtn.o
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/arm-linux-gnueabihf/lib/crtn.o?rev=193528&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/crtbegin.o
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/crtbegin.o?rev=193528&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/crtend.o
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/crtend.o?rev=193528&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/crtbegin.o
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/crtbegin.o?rev=193528&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/crtend.o
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/x86-64_ubuntu_13.10/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/crtend.o?rev=193528&view=auto
==============================================================================
(empty)
Modified: cfe/trunk/test/Driver/cross-linux.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/cross-linux.c?rev=193528&r1=193527&r2=193528&view=diff
==============================================================================
--- cfe/trunk/test/Driver/cross-linux.c (original)
+++ cfe/trunk/test/Driver/cross-linux.c Mon Oct 28 13:52:30 2013
@@ -36,7 +36,7 @@
// CHECK-MULTI32-I386: "-m" "elf_i386"
// CHECK-MULTI32-I386: "crti.o" "[[gcc_install:.*/Inputs/multilib_32bit_linux_tree/usr/lib/gcc/i386-unknown-linux/4.6.0]]{{/|\\\\}}crtbegin.o"
// CHECK-MULTI32-I386: "-L[[gcc_install]]"
-// CHECK-MULTI32-I386: "-L[[gcc_install]]/../../../../i386-unknown-linux/lib/../lib32"
+// CHECK-MULTI32-I386: "-L[[gcc_install]]/../../../../i386-unknown-linux/lib/../lib"
// CHECK-MULTI32-I386: "-L[[gcc_install]]/../../../../i386-unknown-linux/lib"
// CHECK-MULTI32-I386: "-L[[sysroot]]/lib"
// CHECK-MULTI32-I386: "-L[[sysroot]]/usr/lib"
@@ -89,7 +89,7 @@
// CHECK-MULTI64-X86-64: "-m" "elf_x86_64"
// CHECK-MULTI64-X86-64: "crti.o" "[[gcc_install:.*/Inputs/multilib_64bit_linux_tree/usr/lib/gcc/x86_64-unknown-linux/4.6.0]]{{/|\\\\}}crtbegin.o"
// CHECK-MULTI64-X86-64: "-L[[gcc_install]]"
-// CHECK-MULTI64-X86-64: "-L[[gcc_install]]/../../../../x86_64-unknown-linux/lib/../lib64"
+// CHECK-MULTI64-X86-64: "-L[[gcc_install]]/../../../../x86_64-unknown-linux/lib/../lib"
// CHECK-MULTI64-X86-64: "-L[[gcc_install]]/../../../../x86_64-unknown-linux/lib"
// CHECK-MULTI64-X86-64: "-L[[sysroot]]/lib"
// CHECK-MULTI64-X86-64: "-L[[sysroot]]/usr/lib"
Modified: cfe/trunk/test/Driver/linux-ld.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/linux-ld.c?rev=193528&r1=193527&r2=193528&view=diff
==============================================================================
--- cfe/trunk/test/Driver/linux-ld.c (original)
+++ cfe/trunk/test/Driver/linux-ld.c Mon Oct 28 13:52:30 2013
@@ -86,10 +86,10 @@
// CHECK-32-TO-32: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
// CHECK-32-TO-32: "{{.*}}/usr/lib/gcc/i386-unknown-linux/4.6.0{{/|\\\\}}crtbegin.o"
// CHECK-32-TO-32: "-L[[SYSROOT]]/usr/lib/gcc/i386-unknown-linux/4.6.0"
-// CHECK-32-TO-32: "-L[[SYSROOT]]/usr/lib/gcc/i386-unknown-linux/4.6.0/../../../../i386-unknown-linux/lib/../lib32"
-// CHECK-32-TO-32: "-L[[SYSROOT]]/usr/lib/gcc/i386-unknown-linux/4.6.0/../../../../lib32"
-// CHECK-32-TO-32: "-L[[SYSROOT]]/lib/../lib32"
-// CHECK-32-TO-32: "-L[[SYSROOT]]/usr/lib/../lib32"
+// CHECK-32-TO-32: "-L[[SYSROOT]]/usr/lib/gcc/i386-unknown-linux/4.6.0/../../../../i386-unknown-linux/lib/../lib"
+// CHECK-32-TO-32: "-L[[SYSROOT]]/usr/lib/gcc/i386-unknown-linux/4.6.0/../../../../lib"
+// CHECK-32-TO-32: "-L[[SYSROOT]]/lib/../lib"
+// CHECK-32-TO-32: "-L[[SYSROOT]]/usr/lib/../lib"
// CHECK-32-TO-32: "-L[[SYSROOT]]/usr/lib/gcc/i386-unknown-linux/4.6.0/../../../../i386-unknown-linux/lib"
// CHECK-32-TO-32: "-L[[SYSROOT]]/usr/lib/gcc/i386-unknown-linux/4.6.0/../../.."
// CHECK-32-TO-32: "-L[[SYSROOT]]/lib"
@@ -119,10 +119,10 @@
// CHECK-64-TO-64: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
// CHECK-64-TO-64: "{{.*}}/usr/lib/gcc/x86_64-unknown-linux/4.6.0{{/|\\\\}}crtbegin.o"
// CHECK-64-TO-64: "-L[[SYSROOT]]/usr/lib/gcc/x86_64-unknown-linux/4.6.0"
-// CHECK-64-TO-64: "-L[[SYSROOT]]/usr/lib/gcc/x86_64-unknown-linux/4.6.0/../../../../x86_64-unknown-linux/lib/../lib64"
-// CHECK-64-TO-64: "-L[[SYSROOT]]/usr/lib/gcc/x86_64-unknown-linux/4.6.0/../../../../lib64"
-// CHECK-64-TO-64: "-L[[SYSROOT]]/lib/../lib64"
-// CHECK-64-TO-64: "-L[[SYSROOT]]/usr/lib/../lib64"
+// CHECK-64-TO-64: "-L[[SYSROOT]]/usr/lib/gcc/x86_64-unknown-linux/4.6.0/../../../../x86_64-unknown-linux/lib/../lib"
+// CHECK-64-TO-64: "-L[[SYSROOT]]/usr/lib/gcc/x86_64-unknown-linux/4.6.0/../../../../lib"
+// CHECK-64-TO-64: "-L[[SYSROOT]]/lib/../lib"
+// CHECK-64-TO-64: "-L[[SYSROOT]]/usr/lib/../lib"
// CHECK-64-TO-64: "-L[[SYSROOT]]/usr/lib/gcc/x86_64-unknown-linux/4.6.0/../../../../x86_64-unknown-linux/lib"
// CHECK-64-TO-64: "-L[[SYSROOT]]/usr/lib/gcc/x86_64-unknown-linux/4.6.0/../../.."
// CHECK-64-TO-64: "-L[[SYSROOT]]/lib"
@@ -245,6 +245,42 @@
// CHECK-UBUNTU-12-04-ARM-HF: "{{.*}}/usr/lib/gcc/arm-linux-gnueabihf/4.6.3{{/|\\\\}}crtend.o"
// CHECK-UBUNTU-12-04-ARM-HF: "{{.*}}/usr/lib/gcc/arm-linux-gnueabihf/4.6.3/../../../arm-linux-gnueabihf{{/|\\\\}}crtn.o"
//
+// Check Ubuntu 13.10 on x86-64 targeting arm-linux-gnueabihf.
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN: --target=arm-linux-gnueabihf \
+// RUN: --sysroot=%S/Inputs/x86-64_ubuntu_13.10 \
+// RUN: | FileCheck --check-prefix=CHECK-X86-64-UBUNTU-13-10-ARM-HF %s
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "-dynamic-linker" "/lib/ld-linux-armhf.so.3"
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "{{.*}}/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/../../../../arm-linux-gnueabihf/lib/../lib/crt1.o"
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "{{.*}}/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/../../../../arm-linux-gnueabihf/lib/../lib/crti.o"
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "{{.*}}/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/crtbegin.o"
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "-L[[SYSROOT]]/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8"
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "-L[[SYSROOT]]/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/../../../../arm-linux-gnueabihf/lib/../lib"
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "-L[[SYSROOT]]/lib/../lib"
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "-L[[SYSROOT]]/usr/lib/../lib"
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "-L[[SYSROOT]]/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/../../../../arm-linux-gnueabihf/lib"
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "{{.*}}/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/crtend.o"
+// CHECK-X86-64-UBUNTU-13-10-ARM-HF: "{{.*}}/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/../../../../arm-linux-gnueabihf/lib/../lib/crtn.o"
+//
+// Check Ubuntu 13.10 on x86-64 targeting arm-linux-gnueabi.
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN: --target=arm-linux-gnueabi \
+// RUN: --sysroot=%S/Inputs/x86-64_ubuntu_13.10 \
+// RUN: | FileCheck --check-prefix=CHECK-X86-64-UBUNTU-13-10-ARM %s
+// CHECK-X86-64-UBUNTU-13-10-ARM: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
+// CHECK-X86-64-UBUNTU-13-10-ARM: "-dynamic-linker" "/lib/ld-linux.so.3"
+// CHECK-X86-64-UBUNTU-13-10-ARM: "{{.*}}/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/../../../../arm-linux-gnueabi/lib/../lib/crt1.o"
+// CHECK-X86-64-UBUNTU-13-10-ARM: "{{.*}}/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/../../../../arm-linux-gnueabi/lib/../lib/crti.o"
+// CHECK-X86-64-UBUNTU-13-10-ARM: "{{.*}}/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/crtbegin.o"
+// CHECK-X86-64-UBUNTU-13-10-ARM: "-L[[SYSROOT]]/usr/lib/gcc-cross/arm-linux-gnueabi/4.7"
+// CHECK-X86-64-UBUNTU-13-10-ARM: "-L[[SYSROOT]]/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/../../../../arm-linux-gnueabi/lib/../lib"
+// CHECK-X86-64-UBUNTU-13-10-ARM: "-L[[SYSROOT]]/lib/../lib"
+// CHECK-X86-64-UBUNTU-13-10-ARM: "-L[[SYSROOT]]/usr/lib/../lib"
+// CHECK-X86-64-UBUNTU-13-10-ARM: "-L[[SYSROOT]]/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/../../../../arm-linux-gnueabi/lib"
+// CHECK-X86-64-UBUNTU-13-10-ARM: "{{.*}}/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/crtend.o"
+// CHECK-X86-64-UBUNTU-13-10-ARM: "{{.*}}/usr/lib/gcc-cross/arm-linux-gnueabi/4.7/../../../../arm-linux-gnueabi/lib/../lib/crtn.o"
+//
// Check fedora 18 on arm.
// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
// RUN: --target=armv7-unknown-linux-gnueabihf \
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