[llvm-branch-commits] [clang] c2fb114 - [Driver] Enable getOSLibDir() lib32 workaround for SPARC on Linux

Fangrui Song via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Tue Nov 24 15:40:53 PST 2020


Author: John Paul Adrian Glaubitz
Date: 2020-11-23T19:25:36-08:00
New Revision: c2fb114475d15a1d39545f700b8c6d6e18367ca9

URL: https://github.com/llvm/llvm-project/commit/c2fb114475d15a1d39545f700b8c6d6e18367ca9
DIFF: https://github.com/llvm/llvm-project/commit/c2fb114475d15a1d39545f700b8c6d6e18367ca9.diff

LOG: [Driver] Enable getOSLibDir() lib32 workaround for SPARC on Linux

This fixes the Builtins-sparc-linux testsuite failures on Linux
SPARC which occur because clang cannot find the 32-bit runtime
libraries when -m32 is passed on the command line. The same
workaround is already being used on X86 and PPC.

Also, switch the CHECK-DEBIAN-SPARC tests to use debian_multiarch_tree
as both sparc and sparc64 are using the MultiArch mechanism on modern Debian
systems the same way as x86_64, powerpc64el and others. Thus, switch the
CHECK-DEBIAN-SPARC32 and CHECK-DEBIAN-SPARC64 tests to use the files from
the debian_multiarch_tree directory for the header and linker path tests.

Finally, rename CHECK-DEBIAN-SPARC32 to CHECK-DEBIAN-SPARC to match the naming
scheme of the Debian MultiArch checks for the other Debian architectures.

Reviewed By: MaskRay, phosek

Differential Revision: https://reviews.llvm.org/D90524

Added: 
    clang/test/Driver/Inputs/debian_multiarch_tree/lib/sparc-linux-gnu/.keep
    clang/test/Driver/Inputs/debian_multiarch_tree/lib/sparc64-linux-gnu/.keep
    clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/c++/4.5/sparc-linux-gnu/.keep
    clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/c++/4.5/sparc64-linux-gnu/.keep
    clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/sparc-linux-gnu/.keep
    clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/sparc64-linux-gnu/.keep
    clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/gcc/sparc-linux-gnu/4.5/crtbegin.o
    clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/gcc/sparc64-linux-gnu/4.5/crtbegin.o
    clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/sparc-linux-gnu/.keep
    clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/sparc64-linux-gnu/.keep

Modified: 
    clang/lib/Driver/ToolChains/Linux.cpp
    clang/test/Driver/linux-header-search.cpp
    clang/test/Driver/linux-ld.c

Removed: 
    clang/test/Driver/Inputs/debian_8_sparc64_tree/lib/sparc64-linux-gnu/.keep
    clang/test/Driver/Inputs/debian_8_sparc64_tree/lib64/.keep
    clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/include/c++/4.9/.keep
    clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/include/sparc64-linux-gnu/c++/4.9/.keep
    clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/gcc/sparc64-linux-gnu/4.9/crtbegin.o
    clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/gcc/sparc64-linux-gnu/4.9/crtend.o
    clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/sparc64-linux-gnu/crt1.o
    clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/sparc64-linux-gnu/crti.o
    clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/sparc64-linux-gnu/crtn.o
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/lib/sparc-linux-gnu/.keep
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/lib64/.keep
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/include/c++/4.9/backward/.keep
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/include/sparc-linux-gnu/c++/4.9/64/.keep
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/64/crtbegin.o
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/64/crtend.o
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/crtbegin.o
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/crtend.o
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/sparc-linux-gnu/crt1.o
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/sparc-linux-gnu/crti.o
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/sparc-linux-gnu/crtn.o
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib64/crt1.o
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib64/crti.o
    clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib64/crtn.o


################################################################################
diff  --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
index 180350476c38..c2e21159b316 100644
--- a/clang/lib/Driver/ToolChains/Linux.cpp
+++ b/clang/lib/Driver/ToolChains/Linux.cpp
@@ -185,17 +185,18 @@ static StringRef getOSLibDir(const llvm::Triple &Triple, const ArgList &Args) {
     return Triple.isArch32Bit() ? "lib" : "lib64";
   }
 
-  // It happens that only x86 and PPC use the 'lib32' variant of oslibdir, and
-  // using that variant while targeting other architectures causes problems
-  // because the libraries are laid out in shared system roots that can't cope
-  // with a 'lib32' library search path being considered. So we only enable
-  // them when we know we may need it.
+  // It happens that only x86, PPC and SPARC use the 'lib32' variant of
+  // oslibdir, and using that variant while targeting other architectures causes
+  // problems because the libraries are laid out in shared system roots that
+  // can't cope with a 'lib32' library search path being considered. So we only
+  // enable them when we know we may need it.
   //
   // FIXME: This is a bit of a hack. We should really unify this code for
   // reasoning about oslibdir spellings with the lib dir spellings in the
   // GCCInstallationDetector, but that is a more significant refactoring.
   if (Triple.getArch() == llvm::Triple::x86 ||
-      Triple.getArch() == llvm::Triple::ppc)
+      Triple.getArch() == llvm::Triple::ppc ||
+      Triple.getArch() == llvm::Triple::sparc)
     return "lib32";
 
   if (Triple.getArch() == llvm::Triple::x86_64 &&

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/gcc/sparc64-linux-gnu/4.9/crtend.o b/clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/gcc/sparc64-linux-gnu/4.9/crtend.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/sparc64-linux-gnu/crt1.o b/clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/sparc64-linux-gnu/crt1.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/sparc64-linux-gnu/crti.o b/clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/sparc64-linux-gnu/crti.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/sparc64-linux-gnu/crtn.o b/clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/sparc64-linux-gnu/crtn.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/64/crtend.o b/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/64/crtend.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/crtbegin.o b/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/crtbegin.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/crtend.o b/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/crtend.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/sparc-linux-gnu/crt1.o b/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/sparc-linux-gnu/crt1.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/sparc-linux-gnu/crti.o b/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/sparc-linux-gnu/crti.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/sparc-linux-gnu/crtn.o b/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/sparc-linux-gnu/crtn.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib64/crt1.o b/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib64/crt1.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib64/crti.o b/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib64/crti.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib64/crtn.o b/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib64/crtn.o
deleted file mode 100644
index e69de29bb2d1..000000000000

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc64_tree/lib/sparc64-linux-gnu/.keep b/clang/test/Driver/Inputs/debian_multiarch_tree/lib/sparc-linux-gnu/.keep
similarity index 100%
rename from clang/test/Driver/Inputs/debian_8_sparc64_tree/lib/sparc64-linux-gnu/.keep
rename to clang/test/Driver/Inputs/debian_multiarch_tree/lib/sparc-linux-gnu/.keep

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc64_tree/lib64/.keep b/clang/test/Driver/Inputs/debian_multiarch_tree/lib/sparc64-linux-gnu/.keep
similarity index 100%
rename from clang/test/Driver/Inputs/debian_8_sparc64_tree/lib64/.keep
rename to clang/test/Driver/Inputs/debian_multiarch_tree/lib/sparc64-linux-gnu/.keep

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/include/c++/4.9/.keep b/clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/c++/4.5/sparc-linux-gnu/.keep
similarity index 100%
rename from clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/include/c++/4.9/.keep
rename to clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/c++/4.5/sparc-linux-gnu/.keep

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/include/sparc64-linux-gnu/c++/4.9/.keep b/clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/c++/4.5/sparc64-linux-gnu/.keep
similarity index 100%
rename from clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/include/sparc64-linux-gnu/c++/4.9/.keep
rename to clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/c++/4.5/sparc64-linux-gnu/.keep

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/lib/sparc-linux-gnu/.keep b/clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/sparc-linux-gnu/.keep
similarity index 100%
rename from clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/lib/sparc-linux-gnu/.keep
rename to clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/sparc-linux-gnu/.keep

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/lib64/.keep b/clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/sparc64-linux-gnu/.keep
similarity index 100%
rename from clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/lib64/.keep
rename to clang/test/Driver/Inputs/debian_multiarch_tree/usr/include/sparc64-linux-gnu/.keep

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/gcc/sparc64-linux-gnu/4.9/crtbegin.o b/clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/gcc/sparc-linux-gnu/4.5/crtbegin.o
similarity index 100%
rename from clang/test/Driver/Inputs/debian_8_sparc64_tree/usr/lib/gcc/sparc64-linux-gnu/4.9/crtbegin.o
rename to clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/gcc/sparc-linux-gnu/4.5/crtbegin.o

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/64/crtbegin.o b/clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/gcc/sparc64-linux-gnu/4.5/crtbegin.o
similarity index 100%
rename from clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/lib/gcc/sparc-linux-gnu/4.9/64/crtbegin.o
rename to clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/gcc/sparc64-linux-gnu/4.5/crtbegin.o

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/include/c++/4.9/backward/.keep b/clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/sparc-linux-gnu/.keep
similarity index 100%
rename from clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/include/c++/4.9/backward/.keep
rename to clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/sparc-linux-gnu/.keep

diff  --git a/clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/include/sparc-linux-gnu/c++/4.9/64/.keep b/clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/sparc64-linux-gnu/.keep
similarity index 100%
rename from clang/test/Driver/Inputs/debian_8_sparc_multilib_tree/usr/include/sparc-linux-gnu/c++/4.9/64/.keep
rename to clang/test/Driver/Inputs/debian_multiarch_tree/usr/lib/sparc64-linux-gnu/.keep

diff  --git a/clang/test/Driver/linux-header-search.cpp b/clang/test/Driver/linux-header-search.cpp
index 03502423c15a..077e6ed9b4a9 100644
--- a/clang/test/Driver/linux-header-search.cpp
+++ b/clang/test/Driver/linux-header-search.cpp
@@ -257,6 +257,38 @@
 // CHECK-DEBIAN-PPC64: "-internal-externc-isystem" "[[SYSROOT]]/usr/include/powerpc64-linux-gnu"
 // CHECK-DEBIAN-PPC64: "-internal-externc-isystem" "[[SYSROOT]]/include"
 // CHECK-DEBIAN-PPC64: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
+// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
+// RUN:     -target sparc-linux-gnu -stdlib=libstdc++ \
+// RUN:     --sysroot=%S/Inputs/debian_multiarch_tree \
+// RUN:     --gcc-toolchain="" \
+// RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-SPARC %s
+// CHECK-DEBIAN-SPARC:      "{{[^"]*}}clang{{[^"]*}}" "-cc1"
+// CHECK-DEBIAN-SPARC-SAME: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-DEBIAN-SPARC-SAME: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-DEBIAN-SPARC-SAME: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.5/../../../../include/c++/4.5"
+// CHECK-DEBIAN-SPARC-SAME: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.5/../../../../include/c++/4.5/sparc-linux-gnu"
+// CHECK-DEBIAN-SPARC-SAME: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.5/../../../../include/c++/4.5/backward"
+// CHECK-DEBIAN-SPARC-SAME: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
+// CHECK-DEBIAN-SPARC-SAME: "-internal-isystem" "[[RESOURCE_DIR]]{{/|\\\\}}include"
+// CHECK-DEBIAN-SPARC-SAME: "-internal-externc-isystem" "[[SYSROOT]]/usr/include/sparc-linux-gnu"
+// CHECK-DEBIAN-SPARC-SAME: "-internal-externc-isystem" "[[SYSROOT]]/include"
+// CHECK-DEBIAN-SPARC-SAME: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
+// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
+// RUN:     -target sparc64-linux-gnu -stdlib=libstdc++ \
+// RUN:     --sysroot=%S/Inputs/debian_multiarch_tree \
+// RUN:     --gcc-toolchain="" \
+// RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-SPARC64 %s
+// CHECK-DEBIAN-SPARC64:      "{{[^"]*}}clang{{[^"]*}}" "-cc1"
+// CHECK-DEBIAN-SPARC64-SAME: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-DEBIAN-SPARC64-SAME: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-DEBIAN-SPARC64-SAME: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.5/../../../../include/c++/4.5"
+// CHECK-DEBIAN-SPARC64-SAME: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.5/../../../../include/c++/4.5/sparc64-linux-gnu"
+// CHECK-DEBIAN-SPARC64-SAME: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.5/../../../../include/c++/4.5/backward"
+// CHECK-DEBIAN-SPARC64-SAME: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
+// CHECK-DEBIAN-SPARC64-SAME: "-internal-isystem" "[[RESOURCE_DIR]]{{/|\\\\}}include"
+// CHECK-DEBIAN-SPARC64-SAME: "-internal-externc-isystem" "[[SYSROOT]]/usr/include/sparc64-linux-gnu"
+// CHECK-DEBIAN-SPARC64-SAME: "-internal-externc-isystem" "[[SYSROOT]]/include"
+// CHECK-DEBIAN-SPARC64-SAME: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
 //
 // Test Gentoo's weirdness both before and after they changed it in their GCC
 // 4.6.4 release.
@@ -437,62 +469,6 @@
 // CHECK-MIPS64EL-GNUABI: "-internal-externc-isystem" "[[SYSROOT]]/include"
 // CHECK-MIPS64EL-GNUABI: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
 
-// Check header search on Debian 8 / Sparc
-// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
-// RUN:     -target sparc-unknown-linux-gnu -stdlib=libstdc++ \
-// RUN:     --sysroot=%S/Inputs/debian_8_sparc_multilib_tree \
-// RUN:     --gcc-toolchain="" \
-// RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-SPARC32 %s
-// CHECK-DEBIAN-SPARC32: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
-// CHECK-DEBIAN-SPARC32: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
-// CHECK-DEBIAN-SPARC32: "-isysroot" "[[SYSROOT:[^"]+]]"
-// CHECK-DEBIAN-SPARC32: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../../include/c++/4.9"
-// CHECK-DEBIAN-SPARC32: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../../include/sparc-linux-gnu/c++/4.9"
-// CHECK-DEBIAN-SPARC32: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../../include/c++/4.9/backward"
-// CHECK-DEBIAN-SPARC32: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
-// CHECK-DEBIAN-SPARC32: "-internal-isystem" "[[RESOURCE_DIR]]{{/|\\\\}}include"
-// CHECK-DEBIAN-SPARC32: "-internal-externc-isystem" "[[SYSROOT]]/usr/include/sparc-linux-gnu"
-// CHECK-DEBIAN-SPARC32: "-internal-externc-isystem" "[[SYSROOT]]/include"
-// CHECK-DEBIAN-SPARC32: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
-
-// Check header search on Debian 8 / Sparc, with the oldstyle multilib packages
-// RUN: %clang -no-canonical-prefixes -m64 %s -### -fsyntax-only 2>&1 \
-// RUN:     -target sparc-unknown-linux-gnu -stdlib=libstdc++ \
-// RUN:     --sysroot=%S/Inputs/debian_8_sparc_multilib_tree \
-// RUN:     --gcc-toolchain="" \
-// RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-SPARC32-LIB64 %s
-// CHECK-DEBIAN-SPARC32-LIB64: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
-// CHECK-DEBIAN-SPARC32-LIB64: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
-// CHECK-DEBIAN-SPARC32-LIB64: "-isysroot" "[[SYSROOT:[^"]+]]"
-// CHECK-DEBIAN-SPARC32-LIB64: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../../include/c++/4.9"
-// CHECK-DEBIAN-SPARC32-LIB64: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../../include/sparc-linux-gnu/c++/4.9/64"
-// CHECK-DEBIAN-SPARC32-LIB64: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../../include/c++/4.9/backward"
-// CHECK-DEBIAN-SPARC32-LIB64: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
-// CHECK-DEBIAN-SPARC32-LIB64: "-internal-isystem" "[[RESOURCE_DIR]]{{/|\\\\}}include"
-/* TODO: GCC 4.9 includes the following dir in its search path, which
-   seems questionable. Clang doesn't. Not sure if clang should be
-   doing that too. */
-// CHECK-DEBIAN-SPARC32-LIB64-todo: "-internal-externc-isystem" "[[SYSROOT]]/usr/include/sparc-linux-gnu"
-// CHECK-DEBIAN-SPARC32-LIB64: "-internal-externc-isystem" "[[SYSROOT]]/include"
-// CHECK-DEBIAN-SPARC32-LIB64: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
-
-// Check header search on Debian 8 / Sparc64
-// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
-// RUN:     -target sparc64-unknown-linux-gnu -stdlib=libstdc++ \
-// RUN:     --sysroot=%S/Inputs/debian_8_sparc64_tree \
-// RUN:     --gcc-toolchain="" \
-// RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-SPARC64 %s
-// CHECK-DEBIAN-SPARC64: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
-// CHECK-DEBIAN-SPARC64: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
-// CHECK-DEBIAN-SPARC64: "-isysroot" "[[SYSROOT:[^"]+]]"
-// CHECK-DEBIAN-SPARC64: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.9/../../../../include/c++/4.9"
-// CHECK-DEBIAN-SPARC64: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.9/../../../../include/sparc64-linux-gnu/c++/4.9"
-// CHECK-DEBIAN-SPARC64: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.9/../../../../include/c++/4.9/backward"
-// CHECK-DEBIAN-SPARC64: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
-// CHECK-DEBIAN-SPARC64: "-internal-isystem" "[[RESOURCE_DIR]]{{/|\\\\}}include"
-// CHECK-DEBIAN-SPARC64: "-internal-externc-isystem" "[[SYSROOT]]/usr/include/sparc64-linux-gnu"
-// CHECK-DEBIAN-SPARC64: "-internal-externc-isystem" "[[SYSROOT]]/include"
-// CHECK-DEBIAN-SPARC64: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
 
 // Check header search on OpenEmbedded ARM.
 // RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \

diff  --git a/clang/test/Driver/linux-ld.c b/clang/test/Driver/linux-ld.c
index ec539522c25d..fd5fb993cfe3 100644
--- a/clang/test/Driver/linux-ld.c
+++ b/clang/test/Driver/linux-ld.c
@@ -1282,67 +1282,32 @@
 // CHECK-DEBIAN-MIPS64EL-N32: "-L[[SYSROOT]]/usr/lib/gcc/mipsel-linux-gnu/4.5/../../.."
 // CHECK-DEBIAN-MIPS64EL-N32: "-L[[SYSROOT]]/lib"
 // CHECK-DEBIAN-MIPS64EL-N32: "-L[[SYSROOT]]/usr/lib"
-//
-// Check linker paths on Debian 8 / Sparc
 // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
 // RUN:     --target=sparc-linux-gnu -rtlib=platform \
 // RUN:     --gcc-toolchain="" \
-// RUN:     --sysroot=%S/Inputs/debian_8_sparc_multilib_tree \
-// RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-SPARC32 %s
-// CHECK-DEBIAN-SPARC32: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
-// CHECK-DEBIAN-SPARC32: "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../sparc-linux-gnu{{/|\\\\}}crt1.o"
-// CHECK-DEBIAN-SPARC32: "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../sparc-linux-gnu{{/|\\\\}}crti.o"
-// CHECK-DEBIAN-SPARC32: "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9{{/|\\\\}}crtbegin.o"
-// CHECK-DEBIAN-SPARC32: "-L[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9"
-// CHECK-DEBIAN-SPARC32: "-L[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../sparc-linux-gnu"
-// CHECK-DEBIAN-SPARC32: "-L[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../../lib"
-// CHECK-DEBIAN-SPARC32: "-L[[SYSROOT]]/lib/sparc-linux-gnu"
-// CHECK-DEBIAN-SPARC32: "-L[[SYSROOT]]/usr/lib/sparc-linux-gnu"
-// CHECK-DEBIAN-SPARC32: "-L[[SYSROOT]]/lib"
-// CHECK-DEBIAN-SPARC32: "-L[[SYSROOT]]/usr/lib"
-// CHECK-DEBIAN-SPARC32: "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9{{/|\\\\}}crtend.o"
-// CHECK-DEBIAN-SPARC32: "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../sparc-linux-gnu{{/|\\\\}}crtn.o"
-//
-// Check linker paths on Debian 8 / Sparc, with the oldstyle multilib packages
-// RUN: %clang -no-canonical-prefixes -m64 %s -### -o %t.o 2>&1 \
-// RUN:     --target=sparc-linux-gnu -rtlib=platform \
-// RUN:     --gcc-toolchain="" \
-// RUN:     --sysroot=%S/Inputs/debian_8_sparc_multilib_tree \
-// RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-SPARC32-LIB64 %s
-// CHECK-DEBIAN-SPARC32-LIB64: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
-// CHECK-DEBIAN-SPARC32-LIB64: "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../../lib64{{/|\\\\}}crt1.o"
-// CHECK-DEBIAN-SPARC32-LIB64: "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../../lib64{{/|\\\\}}crti.o"
-// CHECK-DEBIAN-SPARC32-LIB64: "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/64{{/|\\\\}}crtbegin.o"
-// CHECK-DEBIAN-SPARC32-LIB64: "-L[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/64"
-// CHECK-DEBIAN-SPARC32-LIB64: "-L[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../../lib64"
-// CHECK-DEBIAN-SPARC32-LIB64: "-L[[SYSROOT]]/lib/../lib64"
-// CHECK-DEBIAN-SPARC32-LIB64: "-L[[SYSROOT]]/usr/lib/../lib64"
-// CHECK-DEBIAN-SPARC32-LIB64: "-L[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9"
-// CHECK-DEBIAN-SPARC32-LIB64: "-L[[SYSROOT]]/lib"
-// CHECK-DEBIAN-SPARC32-LIB64: "-L[[SYSROOT]]/usr/lib"
-// CHECK-DEBIAN-SPARC32-LIB64: "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/64{{/|\\\\}}crtend.o"
-// CHECK-DEBIAN-SPARC32-LIB64: "[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.9/../../../../lib64{{/|\\\\}}crtn.o"
-//
-// Check linker paths on Debian 8 / Sparc64
+// RUN:     --sysroot=%S/Inputs/debian_multiarch_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-SPARC %s
+// CHECK-DEBIAN-SPARC:      "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
+// CHECK-DEBIAN-SPARC-SAME: "{{.*}}/usr/lib/gcc/sparc-linux-gnu/4.5{{/|\\\\}}crtbegin.o"
+// CHECK-DEBIAN-SPARC-SAME: "-L[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.5"
+// CHECK-DEBIAN-SPARC-SAME: "-L[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.5/../../../sparc-linux-gnu"
+// CHECK-DEBIAN-SPARC-SAME: "-L[[SYSROOT]]/usr/lib/sparc-linux-gnu"
+// CHECK-DEBIAN-SPARC-SAME: "-L[[SYSROOT]]/usr/lib/gcc/sparc-linux-gnu/4.5/../../.."
+// CHECK-DEBIAN-SPARC-SAME: "-L[[SYSROOT]]/lib"
+// CHECK-DEBIAN-SPARC-SAME: "-L[[SYSROOT]]/usr/lib"
 // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
 // RUN:     --target=sparc64-linux-gnu -rtlib=platform \
 // RUN:     --gcc-toolchain="" \
-// RUN:     --sysroot=%S/Inputs/debian_8_sparc64_tree \
+// RUN:     --sysroot=%S/Inputs/debian_multiarch_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-SPARC64 %s
-// CHECK-DEBIAN-SPARC64: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
-// CHECK-DEBIAN-SPARC64: "[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.9/../../../sparc64-linux-gnu{{/|\\\\}}crt1.o"
-// CHECK-DEBIAN-SPARC64: "[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.9/../../../sparc64-linux-gnu{{/|\\\\}}crti.o"
-// CHECK-DEBIAN-SPARC64: "[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.9{{/|\\\\}}crtbegin.o"
-// CHECK-DEBIAN-SPARC64: "-L[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.9"
-// CHECK-DEBIAN-SPARC64: "-L[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.9/../../../sparc64-linux-gnu"
-// CHECK-DEBIAN-SPARC64: "-L[[SYSROOT]]/lib/sparc64-linux-gnu"
-// CHECK-DEBIAN-SPARC64: "-L[[SYSROOT]]/lib/../lib64"
-// CHECK-DEBIAN-SPARC64: "-L[[SYSROOT]]/usr/lib/sparc64-linux-gnu"
-// CHECK-DEBIAN-SPARC64: "-L[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.9/../../.."
-// CHECK-DEBIAN-SPARC64: "-L[[SYSROOT]]/lib"
-// CHECK-DEBIAN-SPARC64: "-L[[SYSROOT]]/usr/lib"
-// CHECK-DEBIAN-SPARC64: "[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.9{{/|\\\\}}crtend.o"
-// CHECK-DEBIAN-SPARC64: "[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.9/../../../sparc64-linux-gnu{{/|\\\\}}crtn.o"
+// CHECK-DEBIAN-SPARC64:      "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
+// CHECK-DEBIAN-SPARC64-SAME: "{{.*}}/usr/lib/gcc/sparc64-linux-gnu/4.5{{/|\\\\}}crtbegin.o"
+// CHECK-DEBIAN-SPARC64-SAME: "-L[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.5"
+// CHECK-DEBIAN-SPARC64-SAME: "-L[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.5/../../../sparc64-linux-gnu"
+// CHECK-DEBIAN-SPARC64-SAME: "-L[[SYSROOT]]/usr/lib/sparc64-linux-gnu"
+// CHECK-DEBIAN-SPARC64-SAME: "-L[[SYSROOT]]/usr/lib/gcc/sparc64-linux-gnu/4.5/../../.."
+// CHECK-DEBIAN-SPARC64-SAME: "-L[[SYSROOT]]/lib"
+// CHECK-DEBIAN-SPARC64-SAME: "-L[[SYSROOT]]/usr/lib"
 //
 // Test linker invocation on Android.
 // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \


        


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