Add the clang library to the repo (with some of my changes, too).

1 files changed, 28 insertions, 0 deletions

diff --git a/clang/test/Driver/sysroot-flags.c b/clang/test/Driver/sysroot-flags.c
new file mode 100644
index 0000000..b0a10bf
--- /dev/null
+++ b/clang/test/Driver/sysroot-flags.c
@@ -0,0 +1,28 @@
+// Check for proper handling of --sysroot and -isysroot flags.
+
+// RUN: %clang -### -fsyntax-only -isysroot /foo/bar %s 2>&1 | \
+// RUN:   FileCheck %s -check-prefix=ISYSROOT
+// ISYSROOT: "-isysroot" "{{[^"]*}}/foo/bar"
+
+// Check that we get both isysroot for headers, and pass --sysroot on to GCC to
+// produce the final binary.
+// RUN: %clang -### -target x86_64-unknown-linux-gnu \
+// RUN:   --sysroot=/foo/bar -o /dev/null %s 2>&1 | \
+// RUN:   FileCheck %s -check-prefix=SYSROOT_EQ
+// SYSROOT_EQ: "-isysroot" "{{[^"]*}}/foo/bar"
+// SYSROOT_EQ: "--sysroot{{" "|=}}{{[^"]*}}/foo/bar"
+
+// Check for overriding the header sysroot by providing both --sysroot and
+// -isysroot.
+// RUN: %clang -### -target x86_64-unknown-linux-gnu -isysroot /baz \
+// RUN:   --sysroot=/foo/bar -o /dev/null %s 2>&1 | FileCheck %s \
+// RUN:   -check-prefix=ISYSROOT_AND_SYSROOT
+// ISYSROOT_AND_SYSROOT: "-isysroot" "{{[^"]*}}/baz"
+// ISYSROOT_AND_SYSROOT: "--sysroot{{" "|=}}{{[^"]*}}/foo/bar"
+
+// Check that omitting the equals works as well.
+// RUN: %clang -### -target x86_64-unknown-linux-gnu \
+// RUN:   --sysroot /foo/bar -o /dev/null %s 2>&1 | \
+// RUN:   FileCheck %s -check-prefix=SYSROOT_SEPARATE
+// SYSROOT_SEPARATE: "-isysroot" "{{[^"]*}}/foo/bar"
+// SYSROOT_SEPARATE: "--sysroot{{" "|=}}{{[^"]*}}/foo/bar"