From 21bf7a11b9b2878e130478d761e1811c895d28dd Mon Sep 17 00:00:00 2001
From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Mon, 9 Dec 2013 19:27:46 +0000
Subject: [PATCH] check-clang-tools: Prune 'clang' stuff. Clang is not used
 here.

llvm-svn: 196804
---
 clang-tools-extra/test/CMakeLists.txt |  2 +-
 clang-tools-extra/test/lit.cfg        | 59 ---------------------------
 2 files changed, 1 insertion(+), 60 deletions(-)

diff --git a/clang-tools-extra/test/CMakeLists.txt b/clang-tools-extra/test/CMakeLists.txt
index 39f87cc5ae99..3d8a0097431b 100644
--- a/clang-tools-extra/test/CMakeLists.txt
+++ b/clang-tools-extra/test/CMakeLists.txt
@@ -24,7 +24,7 @@ endif()
 
 set(CLANG_TOOLS_TEST_DEPS
   # Base line deps.
-  clang clang-headers FileCheck count not
+  FileCheck count not
 
   # Individual tools we test.
   clang-apply-replacements
diff --git a/clang-tools-extra/test/lit.cfg b/clang-tools-extra/test/lit.cfg
index fe4231caa3b7..d43886ba206d 100644
--- a/clang-tools-extra/test/lit.cfg
+++ b/clang-tools-extra/test/lit.cfg
@@ -148,72 +148,13 @@ if config.test_exec_root is None:
 
 ###
 
-# Discover the 'clang' and 'clangcc' to use.
-
 import os
 
-def inferClang(PATH):
-    # Determine which clang to use.
-    clang = os.getenv('CLANG')
-
-    # If the user set clang in the environment, definitely use that and don't
-    # try to validate.
-    if clang:
-        return clang
-
-    # Otherwise look in the path.
-    clang = lit.util.which('clang', PATH)
-
-    if not clang:
-        lit_config.fatal("couldn't find 'clang' program, try setting "
-                         "CLANG in your environment")
-
-    return clang
-
 # When running under valgrind, we mangle '-vg' onto the end of the triple so we
 # can check it with XFAIL and XTARGET.
 if lit_config.useValgrind:
     config.target_triple += '-vg'
 
-config.clang = inferClang(config.environment['PATH']).replace('\\', '/')
-if not lit_config.quiet:
-    lit_config.note('using clang: %r' % config.clang)
-
-# Note that when substituting %clang_cc1 also fill in the include directory of
-# the builtin headers. Those are part of even a freestanding environment, but
-# Clang relies on the driver to locate them.
-def getClangBuiltinIncludeDir(clang):
-    # FIXME: Rather than just getting the version, we should have clang print
-    # out its resource dir here in an easy to scrape form.
-    cmd = subprocess.Popen([clang, '-print-file-name=include'],
-                           stdout=subprocess.PIPE)
-    if not cmd.stdout:
-      lit_config.fatal("Couldn't find the include dir for Clang ('%s')" % clang)
-    return cmd.stdout.read().strip()
-
-config.substitutions.append( ('%clang_cc1', '%s -cc1 -internal-isystem %s'
-                              % (config.clang,
-                                 getClangBuiltinIncludeDir(config.clang))) )
-
-config.substitutions.append( ('%clangxx', ' ' + config.clang +
-                              ' -ccc-clang-cxx -ccc-cxx '))
-config.substitutions.append( ('%clang', ' ' + config.clang + ' ') )
-
-# FIXME: Find nicer way to prohibit this.
-config.substitutions.append(
-    (' clang ', """*** Do not use 'clang' in tests, use '%clang'. ***""") )
-config.substitutions.append(
-    (' clang\+\+ ', """*** Do not use 'clang++' in tests, use '%clangxx'. ***"""))
-config.substitutions.append(
-    (' clang-cc ',
-     """*** Do not use 'clang-cc' in tests, use '%clang_cc1'. ***""") )
-config.substitutions.append(
-    (' clang -cc1 ',
-     """*** Do not use 'clang -cc1' in tests, use '%clang_cc1'. ***""") )
-config.substitutions.append(
-    (' %clang-cc1 ',
-     """*** invalid substitution, use '%clang_cc1'. ***""") )
-
 ###
 
 # Set available features we allow tests to conditionalize on.