[Darwin] Need to add -isysroot on OS X otherwise the tests will fail if you don't have the command line tools package installed.
This mirrors how other LLVM suites are configured for running on OS X.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@250003 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/libcxx/test/config.py b/test/libcxx/test/config.py
index 11e7cbe..d71ab10 100644
--- a/test/libcxx/test/config.py
+++ b/test/libcxx/test/config.py
@@ -6,6 +6,7 @@
import re
import shlex
import sys
+import subprocess
import lit.Test # pylint: disable=import-error,no-name-in-module
import lit.util # pylint: disable=import-error,no-name-in-module
@@ -42,6 +43,24 @@
ld_fn(config, site_cfg)
lit_config.load_config = ld_fn
+def getSysrootFlagsOnDarwin(config, lit_config):
+ # On Darwin, support relocatable SDKs by providing Clang with a
+ # default system root path.
+ if 'darwin' in config.target_triple:
+ try:
+ cmd = subprocess.Popen(['xcrun', '--show-sdk-path'],
+ stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ out, err = cmd.communicate()
+ out = out.strip()
+ res = cmd.wait()
+ except OSError:
+ res = -1
+ if res == 0 and out:
+ sdk_path = out
+ lit_config.note('using SDKROOT: %r' % sdk_path)
+ return ["-isysroot", sdk_path]
+ return []
+
class Configuration(object):
# pylint: disable=redefined-outer-name
@@ -339,6 +358,8 @@
# Configure extra flags
compile_flags_str = self.get_lit_conf('compile_flags', '')
self.cxx.compile_flags += shlex.split(compile_flags_str)
+ sysroot_flags = getSysrootFlagsOnDarwin(self.config, self.lit_config)
+ self.cxx.compile_flags.extend(sysroot_flags)
def configure_default_compile_flags(self):
# Try and get the std version from the command line. Fall back to
