revert: gcc-dg.exp (dg-build-dso): New.

	Revert:
	* lib/gcc-dg.exp (dg-build-dso): New.
	(gcc-dg-test-1): Handle dg-do-what "dso".

From-SVN: r209353

gcc/testsuite/ChangeLog

+2014-04-14  Jason Merrill  <jason@redhat.com>
+
+	Revert:
+	* lib/gcc-dg.exp (dg-build-dso): New.
+	(gcc-dg-test-1): Handle dg-do-what "dso".
+
 2014-04-13  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/60717

gcc/testsuite/g++.dg/dso/dlclose1-dso.cc

-// { dg-options "-fno-gnu-unique" }
-
-// A static variable in an inline function uses STB_GNU_UNIQUE normally.
-inline int foo() { static int i; return ++i; }
-
-extern "C" int fn()
-{
-  return foo();
-}

gcc/testsuite/g++.dg/dso/dlclose1.C

-// PR c++/60731
-// { dg-do run { target { dlopen && disable-for-4.9 } } }
-// { dg-add-options dlopen }
-// { dg-build-dso "dlclose1-dso.cc" }
-
-#include <dlfcn.h>
-extern "C" void abort();
-extern "C" int printf (const char *, ...);
-
-// Open and close the DSO for each call so that statics are reinitialized.
-int call()
-{
-  void *h = dlopen ("./dlclose1-dso.so", RTLD_NOW);
-  if (!h) { printf ("dlopen failed: %s\n", dlerror()); abort(); }
-  int (*fn)() = (int(*)())dlsym (h, "fn");
-  if (!fn) { printf ("dlsym failed: %s\n", dlerror()); abort(); }
-  int r = fn();
-  dlclose (h);
-  return r;
-}
-
-int main() {
-  int i = call();
-  int j = call();
-  if (i != j)
-    {
-      printf ("mismatch: %d != %d\n", i, j);
-      abort();
-    }
-}

gcc/testsuite/lib/gcc-dg.exp

@@ -144,11 +144,6 @@ proc gcc-dg-test-1 { target_compile prog do_what extra_tool_flags } {
 	    # The following line is needed for targets like the i960 where
 	    # the default output file is b.out.  Sigh.
 	}
-	"dso" {
-	    set compile_type "executable"
-	    set output_file "[file rootname [file tail $prog]].so"
-	    set extra_tool_flags "$extra_tool_flags -fPIC -shared"
-	}
 	"repo" {
 	    set compile_type "object"
 	    set output_file "[file rootname [file tail $prog]].o"
@@ -214,27 +209,6 @@ proc gcc-dg-test { prog do_what extra_tool_flags } {
     return [gcc-dg-test-1 gcc_target_compile $prog $do_what $extra_tool_flags]
 }
 
-# Usage: { dg-build-dso "file.ext" }
-# Compiles the specified file into "file.so" (treating that compilation as
-# a separate test) for use by the main test, and schedules it for removal
-# when the main test is complete.  The DSO source file should not use "dg-do".
-# This relies on a couple of local variable names in dg-test.
-
-proc dg-build-dso { args } {
-    global dg-do-what-default
-    upvar prog main_file
-    upvar dg-final-code final-code
-
-    set file [lindex $args 1]
-    set dir "[file dirname $main_file]"
-    set dg-do-what-default dso
-    dg-test -keep-output $dir/$file "" ""
-    set dg-do-what-default compile
-
-    set output_file "[file rootname [file tail $file]].so"
-    append final-code "remove-build-file $output_file"
-}
-
 proc gcc-dg-prune { system text } {
     global additional_prunes