sim: drop duplicate header checks

The SIM_AC_COMMON macro already checks for a bunch of headers, so specific
sim ports need not do it themselves.

52 files changed, 218 insertions, 313 deletions

diff --git a/sim/arm/ChangeLog b/sim/arm/ChangeLog
index 008ed12..40d461c 100644
--- a/sim/arm/ChangeLog
+++ b/sim/arm/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete unistd.h.
+	* aclocal.m4, configure: Regenerate.
+
 2014-08-19  Alan Modra  <amodra@gmail.com>
 
 	* configure: Regenerate.
diff --git a/sim/arm/aclocal.m4 b/sim/arm/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/arm/aclocal.m4
+++ b/sim/arm/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/arm/configure b/sim/arm/configure
index f2a98e8..9ee8a77 100755
--- a/sim/arm/configure
+++ b/sim/arm/configure
@@ -8120,7 +8120,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10143,7 +10143,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -12957,14 +12957,12 @@ sim_link_links="${sim_link_links} targ-vals.def"
 
 
 
-for ac_header in unistd.h stdint.h
+for ac_header in stdint.h
 do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+  ac_fn_c_check_header_mongrel "$LINENO" "stdint.h" "ac_cv_header_stdint_h" "$ac_includes_default"
+if test "x$ac_cv_header_stdint_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define HAVE_STDINT_H 1
 _ACEOF
 
 fi
diff --git a/sim/arm/configure.ac b/sim/arm/configure.ac
index 3caf8d5..82d995f 100644
--- a/sim/arm/configure.ac
+++ b/sim/arm/configure.ac
@@ -5,7 +5,7 @@ sinclude(../common/acinclude.m4)
 
 SIM_AC_COMMON
 
-AC_CHECK_HEADERS(unistd.h stdint.h)
+AC_CHECK_HEADERS(stdint.h)
 
 COPRO="armcopro.o maverick.o iwmmxt.o"
 
diff --git a/sim/cr16/ChangeLog b/sim/cr16/ChangeLog
index 3398827..9c78613 100644
--- a/sim/cr16/ChangeLog
+++ b/sim/cr16/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete.
+	* aclocal.m4, configure: Regenerate.
+
 2014-08-19  Alan Modra  <amodra@gmail.com>
 
 	* configure: Regenerate.
diff --git a/sim/cr16/aclocal.m4 b/sim/cr16/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/cr16/aclocal.m4
+++ b/sim/cr16/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/cr16/configure b/sim/cr16/configure
index 2838926..b154ae0 100644..100755
--- a/sim/cr16/configure
+++ b/sim/cr16/configure
@@ -8127,7 +8127,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10150,7 +10150,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -13067,20 +13067,6 @@ $as_echo "${WARN_CFLAGS} ${WERROR_CFLAGS}" >&6; }
 fi
 
 
-for ac_header in unistd.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
-if test "x$ac_cv_header_unistd_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_UNISTD_H 1
-_ACEOF
-
-fi
-
-done
-
-
-
 
 ac_sources="$sim_link_files"
 ac_dests="$sim_link_links"
diff --git a/sim/cr16/configure.ac b/sim/cr16/configure.ac
index a4c274e..0daa1af 100644
--- a/sim/cr16/configure.ac
+++ b/sim/cr16/configure.ac
@@ -7,7 +7,4 @@ SIM_AC_COMMON
 
 SIM_AC_OPTION_WARNINGS
 
-AC_CHECK_HEADERS(unistd.h)
-
-
 SIM_AC_OUTPUT
diff --git a/sim/d10v/ChangeLog b/sim/d10v/ChangeLog
index d2571e3..6d94081 100644
--- a/sim/d10v/ChangeLog
+++ b/sim/d10v/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete.
+	* aclocal.m4, configure: Regenerate.
+
 2014-08-19  Alan Modra  <amodra@gmail.com>
 
 	* configure: Regenerate.
diff --git a/sim/d10v/aclocal.m4 b/sim/d10v/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/d10v/aclocal.m4
+++ b/sim/d10v/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/d10v/configure b/sim/d10v/configure
index 2838926..b154ae0 100755
--- a/sim/d10v/configure
+++ b/sim/d10v/configure
@@ -8127,7 +8127,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10150,7 +10150,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -13067,20 +13067,6 @@ $as_echo "${WARN_CFLAGS} ${WERROR_CFLAGS}" >&6; }
 fi
 
 
-for ac_header in unistd.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
-if test "x$ac_cv_header_unistd_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_UNISTD_H 1
-_ACEOF
-
-fi
-
-done
-
-
-
 
 ac_sources="$sim_link_files"
 ac_dests="$sim_link_links"
diff --git a/sim/d10v/configure.ac b/sim/d10v/configure.ac
index a4c274e..0daa1af 100644
--- a/sim/d10v/configure.ac
+++ b/sim/d10v/configure.ac
@@ -7,7 +7,4 @@ SIM_AC_COMMON
 
 SIM_AC_OPTION_WARNINGS
 
-AC_CHECK_HEADERS(unistd.h)
-
-
 SIM_AC_OUTPUT
diff --git a/sim/erc32/ChangeLog b/sim/erc32/ChangeLog
index 4677d75..47bcb7a 100644
--- a/sim/erc32/ChangeLog
+++ b/sim/erc32/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete.
+	* aclocal.m4, configure: Regenerate.
+
 2015-02-22  Jiri Gaisler  <jiri@gaisler.se>
 
 	* Makefile.in: Add include path to readline.h.
diff --git a/sim/erc32/aclocal.m4 b/sim/erc32/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/erc32/aclocal.m4
+++ b/sim/erc32/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/erc32/configure b/sim/erc32/configure
index ba43717..b4636c9 100755
--- a/sim/erc32/configure
+++ b/sim/erc32/configure
@@ -8121,7 +8121,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10144,7 +10144,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -12958,19 +12958,6 @@ sim_link_links="${sim_link_links} targ-vals.def"
 
 
 
-for ac_header in stdlib.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdlib_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_STDLIB_H 1
-_ACEOF
-
-fi
-
-done
-
-
 # In the Cygwin environment, we need some additional flags.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cygwin" >&5
 $as_echo_n "checking for cygwin... " >&6; }
diff --git a/sim/erc32/configure.ac b/sim/erc32/configure.ac
index bc46091..8fc9fbb 100644
--- a/sim/erc32/configure.ac
+++ b/sim/erc32/configure.ac
@@ -5,8 +5,6 @@ sinclude(../common/acinclude.m4)
 
 SIM_AC_COMMON
 
-AC_CHECK_HEADERS(stdlib.h)
-
 # In the Cygwin environment, we need some additional flags.
 AC_CACHE_CHECK([for cygwin], sim_cv_os_cygwin,
 [AC_EGREP_CPP(lose, [
diff --git a/sim/h8300/ChangeLog b/sim/h8300/ChangeLog
index 16489e6..ef84be8 100644
--- a/sim/h8300/ChangeLog
+++ b/sim/h8300/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete stdlib.h & time.h.
+	* aclocal.m4, configure: Regenerate.
+
 2014-12-03  Joel Brobecker  <brobecker@adacore.com>
 
 	* compile.c (sim_resume):  Adjust calls to "stat" and "fstat"
diff --git a/sim/h8300/aclocal.m4 b/sim/h8300/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/h8300/aclocal.m4
+++ b/sim/h8300/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/h8300/configure b/sim/h8300/configure
index 414f171..39185a1 100755
--- a/sim/h8300/configure
+++ b/sim/h8300/configure
@@ -8119,7 +8119,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10142,7 +10142,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -12956,14 +12956,12 @@ sim_link_links="${sim_link_links} targ-vals.def"
 
 
 
-for ac_header in stdlib.h time.h sys/param.h
+for ac_header in sys/param.h
 do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+  ac_fn_c_check_header_mongrel "$LINENO" "sys/param.h" "ac_cv_header_sys_param_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_param_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define HAVE_SYS_PARAM_H 1
 _ACEOF
 
 fi
diff --git a/sim/h8300/configure.ac b/sim/h8300/configure.ac
index bc077bb..5713a0a 100644
--- a/sim/h8300/configure.ac
+++ b/sim/h8300/configure.ac
@@ -5,6 +5,6 @@ sinclude(../common/acinclude.m4)
 
 SIM_AC_COMMON
 
-AC_CHECK_HEADERS(stdlib.h time.h sys/param.h)
+AC_CHECK_HEADERS(sys/param.h)
 
 SIM_AC_OUTPUT
diff --git a/sim/m68hc11/ChangeLog b/sim/m68hc11/ChangeLog
index 535bc2a..7ba863a 100644
--- a/sim/m68hc11/ChangeLog
+++ b/sim/m68hc11/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete.
+	* aclocal.m4, configure: Regenerate.
+
 2014-08-19  Alan Modra  <amodra@gmail.com>
 
 	* configure: Regenerate.
diff --git a/sim/m68hc11/aclocal.m4 b/sim/m68hc11/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/m68hc11/aclocal.m4
+++ b/sim/m68hc11/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/m68hc11/configure b/sim/m68hc11/configure
index 4ccafb8..47a7e64 100755
--- a/sim/m68hc11/configure
+++ b/sim/m68hc11/configure
@@ -8138,7 +8138,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10161,7 +10161,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -13547,21 +13547,6 @@ fi
 fi
 
 
-for ac_header in string.h strings.h stdlib.h stdlib.h fcntl.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-
 m68hc11_extra_objs="$SIM_DV_SOCKSER_O"
 
 
diff --git a/sim/m68hc11/configure.ac b/sim/m68hc11/configure.ac
index fe4fb37..d25a8db3 100644
--- a/sim/m68hc11/configure.ac
+++ b/sim/m68hc11/configure.ac
@@ -27,8 +27,6 @@ case "${target}" in
 esac
 SIM_AC_OPTION_HARDWARE($hw_enabled,$hw_devices,$hw_extra_devices)
 
-AC_CHECK_HEADERS(string.h strings.h stdlib.h stdlib.h fcntl.h)
-
 m68hc11_extra_objs="$SIM_DV_SOCKSER_O"
 AC_SUBST(m68hc11_extra_objs)
 
diff --git a/sim/mcore/ChangeLog b/sim/mcore/ChangeLog
index 43aadab..ce85865 100644
--- a/sim/mcore/ChangeLog
+++ b/sim/mcore/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete.
+	* aclocal.m4, configure: Regenerate.
+
 2015-02-20  Mike Frysinger  <vapier@gentoo.org>
 
 	* interp.c: Delete sysdep.h and netinet/in.h includes.
diff --git a/sim/mcore/aclocal.m4 b/sim/mcore/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/mcore/aclocal.m4
+++ b/sim/mcore/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/mcore/configure b/sim/mcore/configure
index 6cc9ee3..3785c22 100755
--- a/sim/mcore/configure
+++ b/sim/mcore/configure
@@ -8119,7 +8119,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10142,7 +10142,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -12956,19 +12956,6 @@ sim_link_links="${sim_link_links} targ-vals.def"
 
 
 
-for ac_header in unistd.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
-if test "x$ac_cv_header_unistd_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_UNISTD_H 1
-_ACEOF
-
-fi
-
-done
-
-
 
 ac_sources="$sim_link_files"
 ac_dests="$sim_link_links"
diff --git a/sim/mcore/configure.ac b/sim/mcore/configure.ac
index dbca36d..799a5df 100644
--- a/sim/mcore/configure.ac
+++ b/sim/mcore/configure.ac
@@ -5,6 +5,4 @@ sinclude(../common/acinclude.m4)
 
 SIM_AC_COMMON
 
-AC_CHECK_HEADERS(unistd.h)
-
 SIM_AC_OUTPUT
diff --git a/sim/microblaze/ChangeLog b/sim/microblaze/ChangeLog
index e34a21d..f043b4b 100644
--- a/sim/microblaze/ChangeLog
+++ b/sim/microblaze/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete.
+	* aclocal.m4, configure: Regenerate.
+
 2015-03-08  Mike Frysinger  <vapier@gentoo.org>
 
 	* interp.c (microblaze_extract_unsigned_integer): Change %ld to %zu.
diff --git a/sim/microblaze/aclocal.m4 b/sim/microblaze/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/microblaze/aclocal.m4
+++ b/sim/microblaze/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/microblaze/configure b/sim/microblaze/configure
index 6cc9ee3..3785c22 100644..100755
--- a/sim/microblaze/configure
+++ b/sim/microblaze/configure
@@ -8119,7 +8119,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10142,7 +10142,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -12956,19 +12956,6 @@ sim_link_links="${sim_link_links} targ-vals.def"
 
 
 
-for ac_header in unistd.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
-if test "x$ac_cv_header_unistd_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_UNISTD_H 1
-_ACEOF
-
-fi
-
-done
-
-
 
 ac_sources="$sim_link_files"
 ac_dests="$sim_link_links"
diff --git a/sim/microblaze/configure.ac b/sim/microblaze/configure.ac
index dbca36d..799a5df 100644
--- a/sim/microblaze/configure.ac
+++ b/sim/microblaze/configure.ac
@@ -5,6 +5,4 @@ sinclude(../common/acinclude.m4)
 
 SIM_AC_COMMON
 
-AC_CHECK_HEADERS(unistd.h)
-
 SIM_AC_OUTPUT
diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog
index a3b9887..475a10a 100644
--- a/sim/mips/ChangeLog
+++ b/sim/mips/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete.
+	* aclocal.m4, configure: Regenerate.
+
 2014-08-19  Alan Modra  <amodra@gmail.com>
 
 	* configure: Regenerate.
diff --git a/sim/mips/aclocal.m4 b/sim/mips/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/mips/aclocal.m4
+++ b/sim/mips/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/mips/configure b/sim/mips/configure
index 530cd30..b2e164d 100755
--- a/sim/mips/configure
+++ b/sim/mips/configure
@@ -8167,7 +8167,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10190,7 +10190,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -13830,7 +13830,7 @@ if test ${sim_gen} = MULTI; then
 
   cat << __EOF__ > multi-run.c
 /* Main entry point for MULTI simulators.
-   Copyright (C) 2003-2014 Free Software Foundation, Inc.
+   Copyright (C) 2003-2015 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -14346,20 +14346,6 @@ fi
 mips_extra_libs=""
 
 
-for ac_header in string.h strings.h stdlib.h stdlib.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fabs in -lm" >&5
 $as_echo_n "checking for fabs in -lm... " >&6; }
 if test "${ac_cv_lib_m_fabs+set}" = set; then :
diff --git a/sim/mips/configure.ac b/sim/mips/configure.ac
index 558fb80..4565379 100644
--- a/sim/mips/configure.ac
+++ b/sim/mips/configure.ac
@@ -444,7 +444,6 @@ AC_PATH_X
 mips_extra_libs=""
 AC_SUBST(mips_extra_libs)
 
-AC_CHECK_HEADERS(string.h strings.h stdlib.h stdlib.h)
 AC_CHECK_LIB(m, fabs)
 AC_CHECK_FUNCS(aint anint sqrt)
 
diff --git a/sim/mn10300/ChangeLog b/sim/mn10300/ChangeLog
index de1d161..db879f4 100644
--- a/sim/mn10300/ChangeLog
+++ b/sim/mn10300/ChangeLog
@@ -1,3 +1,9 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete unistd.h & stdlib.h &
+	string.h & strings.h & time.h.
+	* aclocal.m4, configure: Regenerate.
+
 2014-08-19  Alan Modra  <amodra@gmail.com>
 
 	* configure: Regenerate.
diff --git a/sim/mn10300/aclocal.m4 b/sim/mn10300/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/mn10300/aclocal.m4
+++ b/sim/mn10300/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/mn10300/configure b/sim/mn10300/configure
index b0d5b4f..435db0d 100755
--- a/sim/mn10300/configure
+++ b/sim/mn10300/configure
@@ -8143,7 +8143,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10166,7 +10166,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -13670,14 +13670,12 @@ _ACEOF
 fi
 done
 
-for ac_header in unistd.h stdlib.h string.h strings.h utime.h time.h
+for ac_header in utime.h
 do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+  ac_fn_c_check_header_mongrel "$LINENO" "utime.h" "ac_cv_header_utime_h" "$ac_includes_default"
+if test "x$ac_cv_header_utime_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define HAVE_UTIME_H 1
 _ACEOF
 
 fi
diff --git a/sim/mn10300/configure.ac b/sim/mn10300/configure.ac
index d4449be..c9050c1 100644
--- a/sim/mn10300/configure.ac
+++ b/sim/mn10300/configure.ac
@@ -15,7 +15,7 @@ SIM_AC_OPTION_INLINE()
 SIM_AC_OPTION_HARDWARE(yes,,mn103cpu mn103int mn103tim mn103ser mn103iop)
 
 AC_CHECK_FUNCS(time chmod utime fork execve execv chown)
-AC_CHECK_HEADERS(unistd.h stdlib.h string.h strings.h utime.h time.h)
+AC_CHECK_HEADERS(utime.h)
 
 SIM_AC_OPTION_HARDWARE(always,"","")
 
diff --git a/sim/moxie/ChangeLog b/sim/moxie/ChangeLog
index 6e6f736..1b0e892 100644
--- a/sim/moxie/ChangeLog
+++ b/sim/moxie/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete.
+	* aclocal.m4, configure: Regenerate.
+
 2015-02-20  Mike Frysinger  <vapier@gentoo.org>
 
 	* interp.c: Delete sysdep.h and netinet/in.h includes.
diff --git a/sim/moxie/aclocal.m4 b/sim/moxie/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/moxie/aclocal.m4
+++ b/sim/moxie/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/moxie/configure b/sim/moxie/configure
index 4b512eb..1542765 100644..100755
--- a/sim/moxie/configure
+++ b/sim/moxie/configure
@@ -8130,7 +8130,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10153,7 +10153,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -13463,19 +13463,6 @@ fi
 fi
 
 
-for ac_header in unistd.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
-if test "x$ac_cv_header_unistd_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_UNISTD_H 1
-_ACEOF
-
-fi
-
-done
-
-
 
 ac_sources="$sim_link_files"
 ac_dests="$sim_link_links"
diff --git a/sim/moxie/configure.ac b/sim/moxie/configure.ac
index a6e35ba..344db96 100644
--- a/sim/moxie/configure.ac
+++ b/sim/moxie/configure.ac
@@ -13,6 +13,4 @@ SIM_AC_OPTION_HOSTENDIAN
 SIM_AC_OPTION_ENVIRONMENT
 SIM_AC_OPTION_INLINE()
 
-AC_CHECK_HEADERS(unistd.h)
-
 SIM_AC_OUTPUT
diff --git a/sim/sh/ChangeLog b/sim/sh/ChangeLog
index 7d6cf91..cbeab34 100644
--- a/sim/sh/ChangeLog
+++ b/sim/sh/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete.
+	* aclocal.m4, configure: Regenerate.
+
 2014-10-14  Oleg Endo <olegendo@gcc.gnu.org>  (tiny patch)
 
 	* gencode.c (fabs, fneg): Implement as integer operation
diff --git a/sim/sh/aclocal.m4 b/sim/sh/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/sh/aclocal.m4
+++ b/sim/sh/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/sh/configure b/sim/sh/configure
index 6cc9ee3..3785c22 100755
--- a/sim/sh/configure
+++ b/sim/sh/configure
@@ -8119,7 +8119,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10142,7 +10142,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -12956,19 +12956,6 @@ sim_link_links="${sim_link_links} targ-vals.def"
 
 
 
-for ac_header in unistd.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
-if test "x$ac_cv_header_unistd_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_UNISTD_H 1
-_ACEOF
-
-fi
-
-done
-
-
 
 ac_sources="$sim_link_files"
 ac_dests="$sim_link_links"
diff --git a/sim/sh/configure.ac b/sim/sh/configure.ac
index dbca36d..799a5df 100644
--- a/sim/sh/configure.ac
+++ b/sim/sh/configure.ac
@@ -5,6 +5,4 @@ sinclude(../common/acinclude.m4)
 
 SIM_AC_COMMON
 
-AC_CHECK_HEADERS(unistd.h)
-
 SIM_AC_OUTPUT
diff --git a/sim/v850/ChangeLog b/sim/v850/ChangeLog
index 0fce5cc..f02be2b 100644
--- a/sim/v850/ChangeLog
+++ b/sim/v850/ChangeLog
@@ -1,3 +1,9 @@
+2015-03-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure.ac (AC_CHECK_HEADERS): Delete unistd.h & stdlib.h &
+	string.h & strings.h & time.h.
+	* aclocal.m4, configure: Regenerate.
+
 2015-02-27  Nick Clifton  <nickc@redhat.com>
 
 	* sim-main.h (reg64_t): New type.
diff --git a/sim/v850/aclocal.m4 b/sim/v850/aclocal.m4
index a24bbeb..517bc73 100644
--- a/sim/v850/aclocal.m4
+++ b/sim/v850/aclocal.m4
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.3 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -72,8 +71,8 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-# 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,7 +92,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
        [disable], [m4_define([am_maintainer_other], [enable])],
        [m4_define([am_maintainer_other], [enable])
         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
-AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
   AC_ARG_ENABLE([maintainer-mode],
 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
@@ -109,13 +108,13 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 
-# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 2
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
@@ -124,7 +123,7 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
 # AM_SUBST_NOTMAKE(VARIABLE)
-# --------------------------
+# ---------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
diff --git a/sim/v850/configure b/sim/v850/configure
index 58db4e6..7dce6d7 100755
--- a/sim/v850/configure
+++ b/sim/v850/configure
@@ -8137,7 +8137,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
+	10.[012][,.]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -10160,7 +10160,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -13505,14 +13505,12 @@ _ACEOF
 fi
 done
 
-for ac_header in unistd.h stdlib.h string.h strings.h utime.h time.h
+for ac_header in utime.h
 do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+  ac_fn_c_check_header_mongrel "$LINENO" "utime.h" "ac_cv_header_utime_h" "$ac_includes_default"
+if test "x$ac_cv_header_utime_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define HAVE_UTIME_H 1
 _ACEOF
 
 fi
diff --git a/sim/v850/configure.ac b/sim/v850/configure.ac
index 606d788..1471eeb 100644
--- a/sim/v850/configure.ac
+++ b/sim/v850/configure.ac
@@ -13,6 +13,6 @@ SIM_AC_OPTION_RESERVED_BITS
 SIM_AC_OPTION_BITSIZE(32,31)
 
 AC_CHECK_FUNCS(time chmod utime fork execve execv chown)
-AC_CHECK_HEADERS(unistd.h stdlib.h string.h strings.h utime.h time.h)
+AC_CHECK_HEADERS(utime.h)
 
 SIM_AC_OUTPUT