--- a/common/autoconf/flags.m4	Wed Jul 05 21:22:47 2017 +0200
+++ b/common/autoconf/flags.m4	Mon Feb 22 11:22:55 2016 +0100
@@ -891,6 +891,7 @@
   AC_SUBST(JDKLIB_LIBS)
   AC_SUBST(JDKEXE_LIBS)
   AC_SUBST(LDFLAGS_CXX_JDK)
+  AC_SUBST(LDFLAGS_HASH_STYLE)
 
   LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB"
   LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE"

--- a/common/autoconf/generated-configure.sh	Wed Jul 05 21:22:47 2017 +0200
+++ b/common/autoconf/generated-configure.sh	Mon Feb 22 11:22:55 2016 +0100
@@ -701,6 +701,7 @@
 ZERO_ARCHFLAG
 LDFLAGS_TESTEXE
 LDFLAGS_TESTLIB
+LDFLAGS_HASH_STYLE
 LDFLAGS_CXX_JDK
 JDKEXE_LIBS
 JDKLIB_LIBS
@@ -4230,7 +4231,7 @@
 
 
 #
-# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -4860,7 +4861,7 @@
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1455271513
+DATE_WHEN_GENERATED=1456136545
 
 ###############################################################################
 #
@@ -46881,6 +46882,7 @@
 
 
 
+
   LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB"
   LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE"
 
@@ -58630,7 +58632,8 @@
 
 
   # Setup libm (the maths library)
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cos in -lm" >&5
+  if test "x$OPENJDK_TARGET_OS" != "xwindows"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cos in -lm" >&5
 $as_echo_n "checking for cos in -lm... " >&6; }
 if ${ac_cv_lib_m_cos+:} false; then :
   $as_echo_n "(cached) " >&6
@@ -58675,12 +58678,15 @@
 
 else
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: Maths library was not found" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: Maths library was not found" >&5
 $as_echo "$as_me: Maths library was not found" >&6;}
 
 fi
 
-  LIBM=-lm
+    LIBM="-lm"
+  else
+    LIBM=""
+  fi
 
 
   # Setup libdl (for dynamic library loading)

--- a/common/autoconf/libraries.m4	Wed Jul 05 21:22:47 2017 +0200
+++ b/common/autoconf/libraries.m4	Mon Feb 22 11:22:55 2016 +0100
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -160,10 +160,14 @@
 AC_DEFUN_ONCE([LIB_SETUP_MISC_LIBS],
 [
   # Setup libm (the maths library)
-  AC_CHECK_LIB(m, cos, [], [
-      AC_MSG_NOTICE([Maths library was not found])
-  ])
-  LIBM=-lm
+  if test "x$OPENJDK_TARGET_OS" != "xwindows"; then
+    AC_CHECK_LIB(m, cos, [], [
+        AC_MSG_NOTICE([Maths library was not found])
+    ])
+    LIBM="-lm"
+  else
+    LIBM=""
+  fi
   AC_SUBST(LIBM)
 
   # Setup libdl (for dynamic library loading)

--- a/common/autoconf/spec.gmk.in	Wed Jul 05 21:22:47 2017 +0200
+++ b/common/autoconf/spec.gmk.in	Mon Feb 22 11:22:55 2016 +0100
@@ -351,6 +351,8 @@
 CFLAGS_JDKEXE:=@CFLAGS_JDKEXE@
 CXXFLAGS_JDKEXE:=@CXXFLAGS_JDKEXE@
 
+LDFLAGS_HASH_STYLE := @LDFLAGS_HASH_STYLE@
+
 CXX:=@FIXPATH@ @CCACHE@ @ICECC@ @CXX@
 
 CPP:=@FIXPATH@ @CPP@

--- a/make/Init.gmk	Wed Jul 05 21:22:47 2017 +0200
+++ b/make/Init.gmk	Mon Feb 22 11:22:55 2016 +0100
@@ -154,6 +154,9 @@
           # Do nothing
         endif
 
+    # Do not let make delete spec files even if aborted while doing a reconfigure
+    .PRECIOUS: $(SPECS)
+
     # Unless reconfigure is explicitely called, let all main targets depend on
     # the spec files to be up to date.
     ifeq ($(findstring reconfigure, $(INIT_TARGETS)), )

--- a/make/common/NativeCompilation.gmk	Wed Jul 05 21:22:47 2017 +0200
+++ b/make/common/NativeCompilation.gmk	Mon Feb 22 11:22:55 2016 +0100
@@ -651,12 +651,15 @@
 
       $$($1_RES): $$($1_VERSIONINFO_RESOURCE) $$($1_RES_VARDEPS_FILE)
 		$$(call LogInfo, Compiling resource $$(notdir $$($1_VERSIONINFO_RESOURCE)) (for $$(notdir $$($1_TARGET))))
+		$$(call MakeDir, $$(@D) $$($1_OBJECT_DIR))
 		$$(call ExecuteWithLog, $$@, \
 		    $$($1_RC) $$($1_RC_FLAGS) $$($1_SYSROOT_CFLAGS) $(CC_OUT_OPTION)$$@ \
 		    $$($1_VERSIONINFO_RESOURCE))
                 # Windows RC compiler does not support -showIncludes, so we mis-use CL for this.
-		$$($1_CC) $$($1_RC_FLAGS) $$($1_SYSROOT_CFLAGS) -showIncludes -nologo -TC \
-		    $(CC_OUT_OPTION)$$($1_RES_DEP).obj $$($1_VERSIONINFO_RESOURCE) > $$($1_RES_DEP).raw 2>&1 || true ; \
+		$$(call ExecuteWithLog, $$($1_RES_DEP).obj, \
+		    $$($1_CC) $$($1_RC_FLAGS) $$($1_SYSROOT_CFLAGS) -showIncludes -nologo -TC \
+		    $(CC_OUT_OPTION)$$($1_RES_DEP).obj -P -Fi$$($1_RES_DEP).pp \
+		    $$($1_VERSIONINFO_RESOURCE)) > $$($1_RES_DEP).raw 2>&1 || true ; \
 		$(ECHO) $$($1_RES): \\ > $$($1_RES_DEP) ; \
 		$(SED) $(WINDOWS_SHOWINCLUDE_SED_PATTERN) $$($1_RES_DEP).raw >> $$($1_RES_DEP) ; \
 		$(SED) $(DEPENDENCY_TARGET_SED_PATTERN) $$($1_RES_DEP) > $$($1_RES_DEP_TARGETS)
@@ -670,7 +673,7 @@
         $1_REAL_MAPFILE := $$($1_OBJECT_DIR)/mapfile
 
         $$($1_REAL_MAPFILE) : $$($1_MAPFILE) $$($1_REORDER)
-		$$(MKDIR) -p $$(@D)
+		$$(call MakeDir, $$(@D))
 		$$(CP) $$($1_MAPFILE) $$@.tmp
 		$$(SED) -e 's=OUTPUTDIR=$$($1_OBJECT_DIR)=' $$($1_REORDER) >> $$@.tmp
 		$$(MV) $$@.tmp $$@