gcc.exp (gcc_target_compile): Add support for random runtime

	* lib/gcc.exp (gcc_target_compile): Add support for random runtime
	* lib/g++.exp (g++_target_compile): Likewise.
	libraries.
	* gcc.dg/cilk-plus/cilk-plus.exp: Improve support for runtime
	libraries.  Remove debugging.
	* g++.dg/cilk-plus/cilk-plus.exp: Add support to find runtime
	libraries.  Remove -O0, redundant with default.

From-SVN: r204887

gcc/testsuite/ChangeLog

+2013-11-15  Mike Stump  <mikestump@comcast.net>
+
+	* lib/gcc.exp (gcc_target_compile): Add support for random runtime
+	* lib/g++.exp (g++_target_compile): Likewise.
+	libraries.
+	* gcc.dg/cilk-plus/cilk-plus.exp: Improve support for runtime
+	libraries.  Remove debugging.
+	* g++.dg/cilk-plus/cilk-plus.exp: Add support to find runtime
+	libraries.  Remove -O0, redundant with default.
+
 2013-11-15  Joseph Myers  <joseph@codesourcery.com>
 
 	* c-c++-common/cpp/ucnid-2011-1.c: New test.

gcc/testsuite/g++.dg/cilk-plus/cilk-plus.exp

@@ -29,14 +29,19 @@ g++-dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/PS/*.c]]
 g++-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.C]] ""
 dg-finish
 
+set library_var [get_multilibs]
+# Pointing the ld_library_path to the Cilk Runtime library binaries. 
+set ld_library_path "${library_var}/libcilkrts/.libs"
+
+global TEST_EXTRA_LIBS
+set TEST_EXTRA_LIBS "-L${library_var}/libcilkrts/.libs"
+
 dg-init
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -fcilkplus" " "
-dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -O0 -fcilkplus" " "
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -O1 -fcilkplus" " "
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -O2 -ftree-vectorize -fcilkplus" " "
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -O3 -fcilkplus" " "
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -g -fcilkplus" " "
-dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -g -O0 -fcilkplus" " "
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -g -O1 -fcilkplus" " "
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -g -O2 -ftree-vectorize -fcilkplus" " "
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -g -O3 -fcilkplus" " "
@@ -56,3 +61,5 @@ dg-runtest [lsort [glob -nocomplain $srcdir/g++.dg/cilk-plus/AN/*.cc]] " -g -O2
 dg-runtest [lsort [glob -nocomplain $srcdir/g++.dg/cilk-plus/AN/*.cc]] " -g -O3 -fcilkplus" " "
 dg-runtest [lsort [glob -nocomplain $srcdir/g++.dg/cilk-plus/AN/*.cc]] " -O3 -ftree-vectorize -fcilkplus -g" " "
 dg-finish
+
+unset TEST_EXTRA_LIBS

gcc/testsuite/gcc.dg/cilk-plus/cilk-plus.exp

@@ -24,13 +24,12 @@ if { ![check_effective_target_cilkplus] } {
     return;
 }
 
-verbose "$tool $libdir" 1
 set library_var [get_multilibs]
 # Pointing the ld_library_path to the Cilk Runtime library binaries. 
 set ld_library_path "${library_var}/libcilkrts/.libs"
 
-set ALWAYS_CFLAGS ""
-lappend ALWAYS_CFLAGS "-L${library_var}/libcilkrts/.libs"
+global TEST_EXTRA_LIBS
+set TEST_EXTRA_LIBS "-L${library_var}/libcilkrts/.libs"
 
 dg-init
 
@@ -51,14 +50,15 @@ dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -f
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -fcilkplus -O3 -std=c99" " "
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -fcilkplus -g -O0 -std=c99" " "
 
-dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -g -fcilkplus $ALWAYS_CFLAGS " " "
-dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -O1 -fcilkplus $ALWAYS_CFLAGS" " "
-dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -O2 -std=c99 -fcilkplus $ALWAYS_CFLAGS" " "
-dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -O2 -ftree-vectorize -fcilkplus $ALWAYS_CFLAGS" " "
-dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -O3 -g -fcilkplus $ALWAYS_CFLAGS" " "
+dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -g -fcilkplus" " "
+dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -O1 -fcilkplus" " "
+dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -O2 -std=c99 -fcilkplus" " "
+dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -O2 -ftree-vectorize -fcilkplus" " "
+dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -O3 -g -fcilkplus" " "
 if { [check_effective_target_lto] } {
-    dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -O3 -flto -g -fcilkplus $ALWAYS_CFLAGS" " "
+    dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/CK/*.c]] " -O3 -flto -g -fcilkplus" " "
 }
 
-
 dg-finish
+
+unset TEST_EXTRA_LIBS

gcc/testsuite/lib/g++.exp

@@ -294,6 +294,11 @@ proc g++_target_compile { source dest type options } {
 	lappend options "ldflags=${wrap_flags}"
     }
 
+    global TEST_EXTRA_LIBS
+    if [info exists TEST_EXTRA_LIBS] {
+	lappend options "ldflags=$TEST_EXTRA_LIBS"
+    }
+
     lappend options "additional_flags=[libio_include_flags]"
     lappend options "compiler=$GXX_UNDER_TEST"
     lappend options "timeout=[timeout_value]"

gcc/testsuite/lib/gcc.exp

@@ -134,6 +134,11 @@ proc gcc_target_compile { source dest type options } {
 	lappend options "ldflags=$wrap_flags"
     }
 
+    global TEST_EXTRA_LIBS
+    if [info exists TEST_EXTRA_LIBS] {
+	lappend options "ldflags=$TEST_EXTRA_LIBS"
+    }
+
     if [target_info exists gcc,stack_size] {
 	lappend options "additional_flags=-DSTACK_SIZE=[target_info gcc,stack_size]"
     }