* ld-plugin/plugin.exp (testobjfiles): Dont use HOSTING_CRT0.

(testobjfiles_notext): Likewise.
	(libs): Don't use HOSTING_LIBS; fill with default symbol defs instead.
	* lib/ld-lib.exp (ld_simple_link_defsyms): Add cygming clause.

ld/testsuite/ChangeLog

@@ -1,3 +1,10 @@
+2010-11-05  Dave Korn  <dave.korn.cygwin@gmail.com>
+
+	* ld-plugin/plugin.exp (testobjfiles): Dont use HOSTING_CRT0.
+	(testobjfiles_notext): Likewise.
+	(libs): Don't use HOSTING_LIBS; fill with default symbol defs instead.
+	* lib/ld-lib.exp (ld_simple_link_defsyms): Add cygming clause.
+
 2010-11-05  Alan Modra  <amodra@gmail.com>
 
 	* ld-elfvers/vers32c.dsym, * ld-elfvers/vers32c.ver: Delete.

ld/testsuite/ld-plugin/plugin.exp

@@ -53,10 +53,6 @@ set lt_objdir [regsub "objdir=" "$lt_objdir" ""]
 set plugin_path "$base_dir/$lt_objdir/$plugin_name"
 verbose "Full plugin path $plugin_path" 2
 
-set testobjfiles "$HOSTING_CRT0 tmpdir/main.o tmpdir/func.o tmpdir/text.o"
-set testobjfiles_notext "$HOSTING_CRT0 tmpdir/main.o tmpdir/func.o"
-set libs "$HOSTING_LIBS"
-
 set regclm "-plugin-opt registerclaimfile"
 set regas "-plugin-opt registerallsymbolsread"
 set regcln "-plugin-opt registercleanup"
@@ -87,6 +83,12 @@ if { $can_compile && !$failed_compile } {
     }
 }
 
+set testobjfiles "tmpdir/main.o tmpdir/func.o tmpdir/text.o"
+set testobjfiles_notext "tmpdir/main.o tmpdir/func.o"
+# Rather than having libs we just define dummy values for anything
+# we may need to link a target exe; we aren't going to run it anyway.
+set libs "[ld_simple_link_defsyms] --defsym ${_}printf=0 --defsym ${_}puts=0"
+
 set plugin_tests [list \
     [list "load plugin" "-plugin $plugin_path \
     $testobjfiles $libs" "" "" {{ld plugin-1.d}} "main.x" ] \

ld/testsuite/lib/ld-lib.exp

@@ -369,6 +369,11 @@ proc ld_simple_link_defsyms {} {
         append flags " --defsym __gccmain=0"
     }
 
+    # Windows targets need __main, prefixed with underscore.
+    if {[istarget *-*-cygwin* ] || [istarget *-*-mingw*]} {
+        append flags " --defsym ___main=0"
+    }
+
     # PowerPC EABI code calls __eabi.
     if {[istarget powerpc*-*-eabi*] || [istarget powerpc*-*-rtems*]} {
 	append flags " --defsym __eabi=0"