Testing fixes

test/Driver/driver-compile.swift

@@ -38,7 +38,7 @@
 // RUN: %swiftc_driver -driver-print-jobs -c -target x86_64-apple-macosx10.9 %s %S/../Inputs/empty.swift -module-name main -driver-use-filelists 2>&1 | %FileCheck -check-prefix=FILELIST %s
 
 // RUN: rm -rf %t && mkdir -p %t/DISTINCTIVE-PATH/usr/bin/
-// RUN: ln %swift_driver_plain %t/DISTINCTIVE-PATH/usr/bin/swiftc
+// RUN: %hardlink-or-copy(from: %swift_driver_plain, to: %t/DISTINCTIVE-PATH/usr/bin/swiftc)
 // RUN: ln -s "swiftc" %t/DISTINCTIVE-PATH/usr/bin/swift-update
 // RUN: %t/DISTINCTIVE-PATH/usr/bin/swiftc -driver-print-jobs -update-code -c -target x86_64-apple-macosx10.9 -emit-module -emit-module-path %t.mod %s 2>&1 > %t.upd.txt
 // RUN: %FileCheck -check-prefix UPDATE-CODE %s < %t.upd.txt

test/Driver/linker.swift

@@ -278,7 +278,7 @@
 // RUN: mkdir -p %t/DISTINCTIVE-PATH/usr/bin/
 // RUN: touch %t/DISTINCTIVE-PATH/usr/bin/ld
 // RUN: chmod +x %t/DISTINCTIVE-PATH/usr/bin/ld
-// RUN: ln %swift_driver_plain %t/DISTINCTIVE-PATH/usr/bin/swiftc
+// RUN: %hardlink-or-copy(from: %swift_driver_plain, to: %t/DISTINCTIVE-PATH/usr/bin/swiftc)
 // RUN: %t/DISTINCTIVE-PATH/usr/bin/swiftc %s -### | %FileCheck -check-prefix=RELATIVE-LINKER %s
 
 // RELATIVE-LINKER: /DISTINCTIVE-PATH/usr/bin/swift

test/Driver/options-repl-darwin.swift

@@ -11,7 +11,7 @@
 // RUN: mkdir -p %t/usr/bin/
 // RUN: touch %t/usr/bin/lldb
 // RUN: chmod +x %t/usr/bin/lldb
-// RUN: ln %swift_driver_plain %t/usr/bin/swift
+// RUN: %hardlink-or-copy(from: %swift_driver_plain, to: %t/usr/bin/swift)
 // RUN: %t/usr/bin/swift -repl -### | %FileCheck -check-prefix=LLDB %s
 // RUN: %t/usr/bin/swift -### | %FileCheck -check-prefix=LLDB %s
 

test/Driver/options-repl.swift

@@ -45,6 +45,6 @@
 // RUN: mkdir -p %t/usr/bin/
 // RUN: touch %t/usr/bin/lldb
 // RUN: chmod +x %t/usr/bin/lldb
-// RUN: ln %swift_driver_plain %t/usr/bin/swift
+// RUN: %hardlink-or-copy(from: %swift_driver_plain, to: %t/usr/bin/swift)
 // RUN: %t/usr/bin/swift -repl -### | %FileCheck -check-prefix=LLDB %s
 // RUN: %t/usr/bin/swift -### | %FileCheck -check-prefix=LLDB %s

test/lit.cfg

@@ -285,6 +285,7 @@ config.llvm_link = inferSwiftBinary('llvm-link')
 config.swift_llvm_opt = inferSwiftBinary('swift-llvm-opt')
 config.llvm_profdata = inferSwiftBinary('llvm-profdata')
 config.llvm_cov = inferSwiftBinary('llvm-cov')
+config.filecheck = inferSwiftBinary('FileCheck')
 
 config.swift_utils = os.path.join(config.swift_src_root, 'utils')
 config.line_directive = os.path.join(config.swift_utils, 'line-directive')
@@ -950,6 +951,10 @@ config.substitutions.append(('%target-ld', config.target_ld))
 if hasattr(config, 'target_cc_options'):
     config.substitutions.append(('%target-cc-options', config.target_cc_options))
 
+config.substitutions.append(
+    (r'%hardlink-or-copy\(from: *(.*), *to: *(.*)\)',
+     r'ln \1 \2 || cp \1 \2'))
+
 config.substitutions.append(('%utils', config.swift_utils))
 config.substitutions.append(('%line-directive', config.line_directive))
 config.substitutions.append(('%gyb', config.gyb))
@@ -1003,11 +1008,12 @@ config.substitutions.append(('%llvm-cov', config.llvm_cov))
 
 config.substitutions.append(
     ('%FileCheck',
-     '%s --sanitize \'BUILD_DIR=%s\' --sanitize \'SOURCE_DIR=%s\'' %
+     '%s --sanitize \'BUILD_DIR=%s\' --sanitize \'SOURCE_DIR=%s\' --use-filecheck \'%s\'' %
       (config.PathSanitizingFileCheck,
        pipes.quote(swift_obj_root),
-       pipes.quote(config.swift_src_root))))
-config.substitutions.append(('%raw-FileCheck', 'FileCheck'))
+       pipes.quote(config.swift_src_root),
+       pipes.quote(config.filecheck))))
+config.substitutions.append(('%raw-FileCheck', pipes.quote(config.filecheck)))
 
 # If static stdlib is present, enable static stdlib tests
 static_stdlib_path = os.path.join(os.path.join(config.swift_lib_dir,"swift_static"), config.target_sdk_name)

test/stdlib/POSIX.swift

@@ -1,4 +1,4 @@
-// RUN: %target-run-simple-swift
+// RUN: %target-run-simple-swift %t
 // REQUIRES: executable_test
 
 // Android Bionic does not provide a working implementation of
@@ -12,6 +12,7 @@ import StdlibUnittest
   import Darwin
 #endif
 
+chdir(CommandLine.arguments[1])
 
 var POSIXTests = TestSuite("POSIXTests")
 

utils/PathSanitizingFileCheck

@@ -33,14 +33,22 @@ constants.""")
         dest="sanitize_strings",
         default=[])
 
+    parser.add_argument(
+        "--use-filecheck",
+        help="path to LLVM FileCheck executable",
+        metavar="PATH",
+        action="store",
+        dest="file_check_path",
+        default="FileCheck")
+
     args, unknown_args = parser.parse_known_args()
 
     stdin = sys.stdin.read()
     for s in args.sanitize_strings:
         replacement, pattern = s.split('=', 1)
         stdin = stdin.replace(pattern, replacement)
 
-    p = subprocess.Popen(["FileCheck"] + unknown_args, stdin=subprocess.PIPE)
+    p = subprocess.Popen([args.file_check_path] + unknown_args, stdin=subprocess.PIPE)
     stdout, stderr = p.communicate(stdin)
     if stdout is not None:
         print(stdout)