Add Hurd target to Clang driver (2/2)

This adds Hurd toolchain support to Clang's driver in addition
to handling translating the triple from Hurd-compatible form to
the actual triple registered in LLVM.

(Phabricator was stripping the empty files from the patch so I 
manually created them)

Patch by sthibaul (Samuel Thibault)

Differential Revision: https://reviews.llvm.org/D54379

llvm-svn: 347833

7 files changed, 62 insertions, 0 deletions

diff --git a/clang/test/Driver/Inputs/basic_hurd_tree/include/.keep b/clang/test/Driver/Inputs/basic_hurd_tree/include/.keep
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_hurd_tree/include/.keep
diff --git a/clang/test/Driver/Inputs/basic_hurd_tree/lib/i386-gnu/.keep b/clang/test/Driver/Inputs/basic_hurd_tree/lib/i386-gnu/.keep
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_hurd_tree/lib/i386-gnu/.keep
diff --git a/clang/test/Driver/Inputs/basic_hurd_tree/lib32/.keep b/clang/test/Driver/Inputs/basic_hurd_tree/lib32/.keep
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_hurd_tree/lib32/.keep
diff --git a/clang/test/Driver/Inputs/basic_hurd_tree/usr/include/i386-gnu/.keep b/clang/test/Driver/Inputs/basic_hurd_tree/usr/include/i386-gnu/.keep
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_hurd_tree/usr/include/i386-gnu/.keep
diff --git a/clang/test/Driver/Inputs/basic_hurd_tree/usr/lib/i386-gnu/.keep b/clang/test/Driver/Inputs/basic_hurd_tree/usr/lib/i386-gnu/.keep
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_hurd_tree/usr/lib/i386-gnu/.keep
diff --git a/clang/test/Driver/Inputs/basic_hurd_tree/usr/lib32/.keep b/clang/test/Driver/Inputs/basic_hurd_tree/usr/lib32/.keep
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Driver/Inputs/basic_hurd_tree/usr/lib32/.keep
diff --git a/clang/test/Driver/hurd.c b/clang/test/Driver/hurd.c
new file mode 100644
index 00000000000..a6ca8ea3379
--- /dev/null
+++ b/clang/test/Driver/hurd.c
@@ -0,0 +1,62 @@
+// RUN: %clang -no-canonical-prefixes %s -### 2>&1 \
+// RUN:     --target=i386-pc-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: "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=i386-pc-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: "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=i386-pc-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: "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"