re PR testsuite/40601 (Errors in "make check")

2009-07-01  H.J. Lu  <hongjiu.lu@intel.com>

	PR testsuite/40601
	* testsuite/lib/libffi-dg.exp (libffi-init): Properly set
	gccdir.  Adjust ld_library_path for gcc only if gccdir isn't
	empty.

From-SVN: r149145

libffi/ChangeLog

+2009-07-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR testsuite/40601
+	* testsuite/lib/libffi-dg.exp (libffi-init): Properly set
+	gccdir.  Adjust ld_library_path for gcc only if gccdir isn't
+	empty.
+
 2009-06-30  Richard Sandiford  <r.sandiford@uk.ibm.com>
 
 	* testsuite/lib/libffi-dg.exp (libffi-init): Don't add "."

libffi/testsuite/lib/libffi-dg.exp

@@ -108,7 +108,10 @@ proc libffi-init { args } {
     verbose "libstdc++ $blddircxx"
 
     set gccdir [lookfor_file $tool_root_dir gcc/libgcc.a]
-    add_path ld_library_path [find_libgcc_s "$gccdir/xgcc"]
+    if {$gccdir != ""} {
+	set gccdir [file dirname $gccdir]
+	add_path ld_library_path [find_libgcc_s "$gccdir/xgcc"]
+    }
     # add the library path for libffi.
     add_path ld_library_path "${blddirffi}/.libs"
     # add the library path for libstdc++ as well.