[clang] 932e8c3 - hurd: Detect libstdc++ include paths on Debian Hurd i386
Fangrui Song via cfe-commits
cfe-commits at lists.llvm.org
Tue Apr 27 13:04:47 PDT 2021
Author: Samuel Thibault
Date: 2021-04-27T13:04:41-07:00
New Revision: 932e8c3241541c0216968a0f966c495b77bf4461
URL: https://github.com/llvm/llvm-project/commit/932e8c3241541c0216968a0f966c495b77bf4461
DIFF: https://github.com/llvm/llvm-project/commit/932e8c3241541c0216968a0f966c495b77bf4461.diff
LOG: hurd: Detect libstdc++ include paths on Debian Hurd i386
This is a follow-up of e92d2b80c6c9 ("[Driver] Detect libstdc++ include
paths for native gcc (-m32 and -m64) on Debian i386") for the Debian Hurd
case, which has the same multiarch name reduction from i686 to i386.
i386-linux-gnu is actually Linux-only, so this moves the code of that commit
to Linux.cpp, and adds the same to Hurd.cpp
Reviewed By: MaskRay
Differential Revision: https://reviews.llvm.org/D101331
Added:
clang/test/Driver/Inputs/basic_hurd_tree/usr/include/c++/4.6.0/.keep
clang/test/Driver/Inputs/basic_hurd_tree/usr/include/i386-gnu/c++/4.6.0/.keep
clang/test/Driver/hurd.cpp
Modified:
clang/lib/Driver/ToolChains/Gnu.cpp
clang/lib/Driver/ToolChains/Gnu.h
clang/lib/Driver/ToolChains/Hurd.cpp
clang/lib/Driver/ToolChains/Hurd.h
clang/lib/Driver/ToolChains/Linux.cpp
Removed:
clang/test/Driver/hurd.c
################################################################################
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 386edb7a9e6fa..e2cec7c333c08 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -2961,9 +2961,9 @@ bool Generic_GCC::addLibStdCXXIncludePaths(Twine IncludeDir, StringRef Triple,
return true;
}
-bool
-Generic_GCC::addGCCLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
- llvm::opt::ArgStringList &CC1Args) const {
+bool Generic_GCC::addGCCLibStdCxxIncludePaths(
+ const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args,
+ StringRef DebianMultiarch) const {
// Use GCCInstallation to know where libstdc++ headers are installed.
if (!GCCInstallation.isValid())
return false;
@@ -2982,11 +2982,8 @@ Generic_GCC::addGCCLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
LibDir.str() + "/../" + TripleStr + "/include/c++/" + Version.Text,
TripleStr, Multilib.includeSuffix(), DriverArgs, CC1Args))
return true;
+
// Detect Debian g++-multiarch-incdir.
diff .
- StringRef DebianMultiarch =
- GCCInstallation.getTriple().getArch() == llvm::Triple::x86
- ? "i386-linux-gnu"
- : TripleStr;
if (addLibStdCXXIncludePaths(LibDir.str() + "/../include/c++/" + Version.Text,
DebianMultiarch, Multilib.includeSuffix(),
DriverArgs, CC1Args, /*Debian=*/true))
@@ -3014,7 +3011,10 @@ Generic_GCC::addGCCLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
void
Generic_GCC::addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const {
- addGCCLibStdCxxIncludePaths(DriverArgs, CC1Args);
+ if (GCCInstallation.isValid()) {
+ addGCCLibStdCxxIncludePaths(DriverArgs, CC1Args,
+ GCCInstallation.getTriple().str());
+ }
}
llvm::opt::DerivedArgList *
diff --git a/clang/lib/Driver/ToolChains/Gnu.h b/clang/lib/Driver/ToolChains/Gnu.h
index efad942a52926..40fd756a56537 100644
--- a/clang/lib/Driver/ToolChains/Gnu.h
+++ b/clang/lib/Driver/ToolChains/Gnu.h
@@ -342,9 +342,9 @@ class LLVM_LIBRARY_VISIBILITY Generic_GCC : public ToolChain {
addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const;
- bool
- addGCCLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
- llvm::opt::ArgStringList &CC1Args) const;
+ bool addGCCLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
+ llvm::opt::ArgStringList &CC1Args,
+ StringRef DebianMultiarch) const;
bool addLibStdCXXIncludePaths(Twine IncludeDir, StringRef Triple,
Twine IncludeSuffix,
diff --git a/clang/lib/Driver/ToolChains/Hurd.cpp b/clang/lib/Driver/ToolChains/Hurd.cpp
index a700d7b9064c3..bfb96775f8987 100644
--- a/clang/lib/Driver/ToolChains/Hurd.cpp
+++ b/clang/lib/Driver/ToolChains/Hurd.cpp
@@ -184,6 +184,21 @@ void Hurd::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/include");
}
+void Hurd::addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
+ llvm::opt::ArgStringList &CC1Args) const {
+ // We need a detected GCC installation on Linux to provide libstdc++'s
+ // headers in odd Linuxish places.
+ if (!GCCInstallation.isValid())
+ return;
+
+ StringRef TripleStr = GCCInstallation.getTriple().str();
+ StringRef DebianMultiarch =
+ GCCInstallation.getTriple().getArch() == llvm::Triple::x86 ? "i386-gnu"
+ : TripleStr;
+
+ addGCCLibStdCxxIncludePaths(DriverArgs, CC1Args, DebianMultiarch);
+}
+
void Hurd::addExtraOpts(llvm::opt::ArgStringList &CmdArgs) const {
for (const auto &Opt : ExtraOpts)
CmdArgs.push_back(Opt.c_str());
diff --git a/clang/lib/Driver/ToolChains/Hurd.h b/clang/lib/Driver/ToolChains/Hurd.h
index 0612a55280a87..f301bc5f4269e 100644
--- a/clang/lib/Driver/ToolChains/Hurd.h
+++ b/clang/lib/Driver/ToolChains/Hurd.h
@@ -26,6 +26,9 @@ class LLVM_LIBRARY_VISIBILITY Hurd : public Generic_ELF {
void
AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const override;
+ void
+ addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
+ llvm::opt::ArgStringList &CC1Args) const override;
std::string getDynamicLinker(const llvm::opt::ArgList &Args) const override;
diff --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
index 397e8c3723953..4df83db3350d5 100644
--- a/clang/lib/Driver/ToolChains/Linux.cpp
+++ b/clang/lib/Driver/ToolChains/Linux.cpp
@@ -599,17 +599,24 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
void Linux::addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const {
- // Try generic GCC detection first.
- if (Generic_GCC::addGCCLibStdCxxIncludePaths(DriverArgs, CC1Args))
- return;
-
// We need a detected GCC installation on Linux to provide libstdc++'s
// headers in odd Linuxish places.
if (!GCCInstallation.isValid())
return;
- StringRef LibDir = GCCInstallation.getParentLibPath();
+ // Detect Debian g++-multiarch-incdir.
diff .
StringRef TripleStr = GCCInstallation.getTriple().str();
+ StringRef DebianMultiarch =
+ GCCInstallation.getTriple().getArch() == llvm::Triple::x86
+ ? "i386-linux-gnu"
+ : TripleStr;
+
+ // Try generic GCC detection first.
+ if (Generic_GCC::addGCCLibStdCxxIncludePaths(DriverArgs, CC1Args,
+ DebianMultiarch))
+ return;
+
+ StringRef LibDir = GCCInstallation.getParentLibPath();
const Multilib &Multilib = GCCInstallation.getMultilib();
const GCCVersion &Version = GCCInstallation.getVersion();
diff --git a/clang/test/Driver/Inputs/basic_hurd_tree/usr/include/c++/4.6.0/.keep b/clang/test/Driver/Inputs/basic_hurd_tree/usr/include/c++/4.6.0/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/basic_hurd_tree/usr/include/i386-gnu/c++/4.6.0/.keep b/clang/test/Driver/Inputs/basic_hurd_tree/usr/include/i386-gnu/c++/4.6.0/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/hurd.c b/clang/test/Driver/hurd.c
deleted file mode 100644
index a9573f4cc298e..0000000000000
--- a/clang/test/Driver/hurd.c
+++ /dev/null
@@ -1,73 +0,0 @@
-// RUN: %clang -no-canonical-prefixes %s -### 2>&1 \
-// RUN: --target=i686-pc-hurd-gnu \
-// RUN: --sysroot=%S/Inputs/basic_hurd_tree \
-// RUN: | FileCheck --check-prefix=CHECK %s
-// CHECK-NOT: warning:
-// CHECK: "-cc1"
-// CHECK: "-isysroot" "[[SYSROOT:[^"]+]]"
-// CHECK: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
-// CHECK: "-internal-externc-isystem" "[[SYSROOT]]/usr/include/i386-gnu"
-// CHECK: "-internal-externc-isystem" "[[SYSROOT]]/include"
-// CHECK: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
-// CHECK: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
-// CHECK: "-dynamic-linker" "/lib/ld.so"
-// CHECK: "{{.*}}/usr/lib/gcc/i686-gnu/4.6.0{{/|\\\\}}crtbegin.o"
-// CHECK: "-L[[SYSROOT]]/lib/i386-gnu"
-// CHECK: "-L[[SYSROOT]]/lib/../lib32"
-// CHECK: "-L[[SYSROOT]]/usr/lib/i386-gnu"
-// CHECK: "-L[[SYSROOT]]/usr/lib/../lib32"
-// CHECK: "-L[[SYSROOT]]/lib"
-// CHECK: "-L[[SYSROOT]]/usr/lib"
-
-// RUN: %clang -no-canonical-prefixes %s -### 2>&1 \
-// RUN: --target=i686-pc-hurd-gnu -static \
-// RUN: --sysroot=%S/Inputs/basic_hurd_tree \
-// RUN: | FileCheck --check-prefix=CHECK-STATIC %s
-// CHECK-STATIC-NOT: warning:
-// CHECK-STATIC: "-cc1"
-// CHECK-STATIC: "-static-define"
-// CHECK-STATIC: "-isysroot" "[[SYSROOT:[^"]+]]"
-// CHECK-STATIC: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
-// CHECK-STATIC: "-internal-externc-isystem" "[[SYSROOT]]/usr/include/i386-gnu"
-// CHECK-STATIC: "-internal-externc-isystem" "[[SYSROOT]]/include"
-// CHECK-STATIC: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
-// CHECK-STATIC: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
-// CHECK-STATIC: "-static"
-// CHECK-STATIC: "{{.*}}/usr/lib/gcc/i686-gnu/4.6.0{{/|\\\\}}crtbeginT.o"
-// CHECK-STATIC: "-L[[SYSROOT]]/lib/i386-gnu"
-// CHECK-STATIC: "-L[[SYSROOT]]/lib/../lib32"
-// CHECK-STATIC: "-L[[SYSROOT]]/usr/lib/i386-gnu"
-// CHECK-STATIC: "-L[[SYSROOT]]/usr/lib/../lib32"
-// CHECK-STATIC: "-L[[SYSROOT]]/lib"
-// CHECK-STATIC: "-L[[SYSROOT]]/usr/lib"
-
-// RUN: %clang -no-canonical-prefixes %s -### 2>&1 \
-// RUN: --target=i686-pc-hurd-gnu -shared \
-// RUN: --sysroot=%S/Inputs/basic_hurd_tree \
-// RUN: | FileCheck --check-prefix=CHECK-SHARED %s
-// CHECK-SHARED-NOT: warning:
-// CHECK-SHARED: "-cc1"
-// CHECK-SHARED: "-isysroot" "[[SYSROOT:[^"]+]]"
-// CHECK-SHARED: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
-// CHECK-SHARED: "-internal-externc-isystem" "[[SYSROOT]]/usr/include/i386-gnu"
-// CHECK-SHARED: "-internal-externc-isystem" "[[SYSROOT]]/include"
-// CHECK-SHARED: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
-// CHECK-SHARED: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
-// CHECK-SHARED: "{{.*}}/usr/lib/gcc/i686-gnu/4.6.0{{/|\\\\}}crtbeginS.o"
-// CHECK-SHARED: "-L[[SYSROOT]]/lib/i386-gnu"
-// CHECK-SHARED: "-L[[SYSROOT]]/lib/../lib32"
-// CHECK-SHARED: "-L[[SYSROOT]]/usr/lib/i386-gnu"
-// CHECK-SHARED: "-L[[SYSROOT]]/usr/lib/../lib32"
-// CHECK-SHARED: "-L[[SYSROOT]]/lib"
-// CHECK-SHARED: "-L[[SYSROOT]]/usr/lib"
-
-// RUN: %clang -### -o %t %s 2>&1 -no-integrated-as -fuse-ld=ld \
-// RUN: --gcc-toolchain=%S/Inputs/basic_cross_hurd_tree/usr \
-// RUN: --target=i686-pc-hurd-gnu \
-// RUN: | FileCheck --check-prefix=CHECK-CROSS %s
-// CHECK-CROSS-NOT: warning:
-// CHECK-CROSS: "-cc1" "-triple" "i686-pc-hurd-gnu"
-// CHECK-CROSS: "{{.*}}/Inputs/basic_cross_hurd_tree/usr/lib/gcc/i686-gnu/4.6.0/../../../../i686-gnu/bin{{/|\\\\}}as" "--32"
-// CHECK-CROSS: "{{.*}}/Inputs/basic_cross_hurd_tree/usr/lib/gcc/i686-gnu/4.6.0/../../../../i686-gnu/bin{{/|\\\\}}ld" {{.*}} "-m" "elf_i386"
-// CHECK-CROSS: "{{.*}}/Inputs/basic_cross_hurd_tree/usr/lib/gcc/i686-gnu/4.6.0{{/|\\\\}}crtbegin.o"
-// CHECK-CROSS: "-L{{.*}}/Inputs/basic_cross_hurd_tree/usr/lib/gcc/i686-gnu/4.6.0/../../../../i686-gnu/lib"
diff --git a/clang/test/Driver/hurd.cpp b/clang/test/Driver/hurd.cpp
new file mode 100644
index 0000000000000..cc6da07dc9305
--- /dev/null
+++ b/clang/test/Driver/hurd.cpp
@@ -0,0 +1,98 @@
+// UNSUPPORTED: system-windows
+
+// RUN: %clang -no-canonical-prefixes %s -### 2>&1 \
+// RUN: --target=i686-pc-hurd-gnu \
+// RUN: --sysroot=%S/Inputs/basic_hurd_tree \
+// RUN: | FileCheck --check-prefix=CHECK %s
+// CHECK: "-cc1"
+// CHECK: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../include/c++/4.6.0"
+/// Debian specific - the path component after 'include' is i386-gnu even
+/// though the installation is i686-gnu.
+// CHECK-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../include/i386-gnu/c++/4.6.0"
+// CHECK-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../include/c++/4.6.0/backward"
+// CHECK-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/local/include"
+// CHECK: "-internal-externc-isystem"
+// CHECK-SAME: {{^}} "[[SYSROOT]]/usr/include/i386-gnu"
+// CHECK-SAME: {{^}} "-internal-externc-isystem" "[[SYSROOT]]/include"
+// CHECK-SAME: {{^}} "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
+// CHECK: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
+// CHECK: "-dynamic-linker" "/lib/ld.so"
+// CHECK: "{{.*}}/usr/lib/gcc/i686-gnu/4.6.0{{/|\\\\}}crtbegin.o"
+// CHECK: "-L
+// CHECK-SAME: {{^}}[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0"
+// CHECK-SAME: {{^}} "-L[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../lib32"
+// CHECK-SAME: {{^}} "-L[[SYSROOT]]/lib/i386-gnu"
+// CHECK-SAME: {{^}} "-L[[SYSROOT]]/lib/../lib32"
+// CHECK-SAME: {{^}} "-L[[SYSROOT]]/usr/lib/i386-gnu"
+// CHECK-SAME: {{^}} "-L[[SYSROOT]]/usr/lib/../lib32"
+// CHECK-SAME: {{^}} "-L[[SYSROOT]]/lib"
+// CHECK-SAME: {{^}} "-L[[SYSROOT]]/usr/lib"
+
+// RUN: %clang -no-canonical-prefixes %s -### 2>&1 \
+// RUN: --target=i686-pc-hurd-gnu -static \
+// RUN: --sysroot=%S/Inputs/basic_hurd_tree \
+// RUN: | FileCheck --check-prefix=CHECK-STATIC %s
+// CHECK-STATIC: "-cc1"
+// CHECK-STATIC: "-static-define"
+// CHECK-STATIC: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-STATIC-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../include/c++/4.6.0"
+/// Debian specific - the path component after 'include' is i386-gnu even
+/// though the installation is i686-gnu.
+// CHECK-STATIC-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../include/i386-gnu/c++/4.6.0"
+// CHECK-STATIC-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../include/c++/4.6.0/backward"
+// CHECK-STATIC-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/local/include"
+// CHECK-STATIC: "-internal-externc-isystem"
+// CHECK-STATIC-SAME: {{^}} "[[SYSROOT]]/usr/include/i386-gnu"
+// CHECK-STATIC-SAME: {{^}} "-internal-externc-isystem" "[[SYSROOT]]/include"
+// CHECK-STATIC-SAME: {{^}} "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
+// CHECK-STATIC: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
+// CHECK-STATIC: "-static"
+// CHECK-STATIC: "{{.*}}/usr/lib/gcc/i686-gnu/4.6.0{{/|\\\\}}crtbeginT.o"
+// CHECK-STATIC: "-L
+// CHECK-STATIC-SAME: {{^}}[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0"
+// CHECK-STATIC-SAME: {{^}} "-L[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../lib32"
+// CHECK-STATIC-SAME: {{^}} "-L[[SYSROOT]]/lib/i386-gnu"
+// CHECK-STATIC-SAME: {{^}} "-L[[SYSROOT]]/lib/../lib32"
+// CHECK-STATIC-SAME: {{^}} "-L[[SYSROOT]]/usr/lib/i386-gnu"
+// CHECK-STATIC-SAME: {{^}} "-L[[SYSROOT]]/usr/lib/../lib32"
+// CHECK-STATIC-SAME: {{^}} "-L[[SYSROOT]]/lib"
+// CHECK-STATIC-SAME: {{^}} "-L[[SYSROOT]]/usr/lib"
+
+// RUN: %clang -no-canonical-prefixes %s -### 2>&1 \
+// RUN: --target=i686-pc-hurd-gnu -shared \
+// RUN: --sysroot=%S/Inputs/basic_hurd_tree \
+// RUN: | FileCheck --check-prefix=CHECK-SHARED %s
+// CHECK-SHARED: "-cc1"
+// CHECK-SHARED: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-SHARED-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../include/c++/4.6.0"
+/// Debian specific - the path component after 'include' is i386-gnu even
+/// though the installation is i686-gnu.
+// CHECK-SHARED-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../include/i386-gnu/c++/4.6.0"
+// CHECK-SHARED-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../include/c++/4.6.0/backward"
+// CHECK-SHARED-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/local/include"
+// CHECK-SHARED: "-internal-externc-isystem"
+// CHECK-SHARED-SAME: {{^}} "[[SYSROOT]]/usr/include/i386-gnu"
+// CHECK-SHARED-SAME: {{^}} "-internal-externc-isystem" "[[SYSROOT]]/include"
+// CHECK-SHARED-SAME: {{^}} "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
+// CHECK-SHARED: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
+// CHECK-SHARED: "{{.*}}/usr/lib/gcc/i686-gnu/4.6.0{{/|\\\\}}crtbeginS.o"
+// CHECK-SHARED: "-L
+// CHECK-SHARED-SAME: {{^}}[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0"
+// CHECK-SHARED-SAME: {{^}} "-L[[SYSROOT]]/usr/lib/gcc/i686-gnu/4.6.0/../../../../lib32"
+// CHECK-SHARED-SAME: {{^}} "-L[[SYSROOT]]/lib/i386-gnu"
+// CHECK-SHARED-SAME: {{^}} "-L[[SYSROOT]]/lib/../lib32"
+// CHECK-SHARED-SAME: {{^}} "-L[[SYSROOT]]/usr/lib/i386-gnu"
+// CHECK-SHARED-SAME: {{^}} "-L[[SYSROOT]]/usr/lib/../lib32"
+// CHECK-SHARED-SAME: {{^}} "-L[[SYSROOT]]/lib"
+// CHECK-SHARED-SAME: {{^}} "-L[[SYSROOT]]/usr/lib"
+
+// RUN: %clang -### -o %t %s 2>&1 -no-integrated-as -fuse-ld=ld \
+// RUN: --gcc-toolchain=%S/Inputs/basic_cross_hurd_tree/usr \
+// RUN: --target=i686-pc-gnu \
+// RUN: | FileCheck --check-prefix=CHECK-CROSS %s
+// CHECK-CROSS: "-cc1" "-triple" "i686-pc-hurd-gnu"
+// CHECK-CROSS: "{{.*}}/Inputs/basic_cross_hurd_tree/usr/lib/gcc/i686-gnu/4.6.0/../../../../i686-gnu/bin{{/|\\\\}}as" "--32"
+// CHECK-CROSS: "{{.*}}/Inputs/basic_cross_hurd_tree/usr/lib/gcc/i686-gnu/4.6.0/../../../../i686-gnu/bin{{/|\\\\}}ld" {{.*}} "-m" "elf_i386"
+// CHECK-CROSS: "{{.*}}/Inputs/basic_cross_hurd_tree/usr/lib/gcc/i686-gnu/4.6.0{{/|\\\\}}crtbegin.o"
+// CHECK-CROSS: "-L{{.*}}/Inputs/basic_cross_hurd_tree/usr/lib/gcc/i686-gnu/4.6.0/../../../../i686-gnu/lib"
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