* configure.host (default_newlib_nano_malloc): New.

(msp430): Set it.
* configure.in (newlib_nano_malloc): Leave unset if not set by
the user.
* configure: Regenerate.
* libc/configure.in (NEWLIB_NANO_MALLOC): Set after running
configure.host.
(newlib_nano_malloc): Leave unset if not set by	the user.
* libc/configure: Regenerate.

newlib/ChangeLog

@@ -1,3 +1,15 @@
+2014-06-09  DJ Delorie  <dj@redhat.com>
+
+	* configure.host (default_newlib_nano_malloc): New.
+	(msp430): Set it.
+	* configure.in (newlib_nano_malloc): Leave unset if not set by
+	the user.
+	* configure: Regenerate.
+	* libc/configure.in (NEWLIB_NANO_MALLOC): Set after running
+	configure.host.
+	(newlib_nano_malloc): Leave unset if not set by	the user.
+	* libc/configure: Regenerate.
+
 2014-05-15  Daniel Cederman  <cederman@gaisler.com>
 
 	* libc/machine/sparc/setjmp.S (longjmp): Use register g1 instead of g6.

newlib/configure

@@ -2445,7 +2445,7 @@ if test "${enable_newlib_nano_malloc+set}" = set; then :
   esac
  fi
 else
-  newlib_nano_malloc=no
+  newlib_nano_malloc=
 fi
 
 # Check whether --enable-newlib-unbuf-stream-opt was given.

newlib/configure.host

@@ -71,6 +71,7 @@ default_newlib_io_long_long=no
 default_newlib_io_long_double=no
 default_newlib_io_pos_args=no
 default_newlib_atexit_dynamic_alloc=yes
+default_newlib_nano_malloc=no
 aext=a
 oext=o
 lpfx="lib_a-"
@@ -229,6 +230,7 @@ case "${host_cpu}" in
 	newlib_cflags="${newlib_cflags} -ffunction-sections -fdata-sections "
 	newlib_cflags="${newlib_cflags} -mOs "
 	machine_dir=msp430
+	default_newlib_nano_malloc="yes"
 	;;
   mt*)
 	machine_dir=mt
@@ -843,6 +845,13 @@ if [ "x${newlib_atexit_dynamic_alloc}" = "x" ]; then
 	fi
 fi
 
+# Enable nano-malloc if requested.
+if [ "x${newlib_nano_malloc}" = "x" ]; then
+	if [ ${default_newlib_nano_malloc} = "yes" ]; then
+		newlib_nano_malloc="yes";
+	fi
+fi
+
 # Remove rpc headers if xdr_dir not specified
 if [ "x${xdr_dir}" = "x" ]; then
 	noinclude="${noinclude} rpc/types.h rpc/xdr.h"

newlib/configure.in

@@ -181,7 +181,7 @@ AC_ARG_ENABLE(newlib-nano-malloc,
     no)  newlib_nano_malloc=no  ;;
     *)   AC_MSG_ERROR(bad value ${enableval} for newlib-nano-malloc option) ;;
   esac
- fi], [newlib_nano_malloc=no])dnl
+ fi], [newlib_nano_malloc=])dnl
 
 dnl Support --disable-newlib-unbuf-stream-opt
 AC_ARG_ENABLE(newlib-unbuf-stream-opt,

newlib/libc/configure

@@ -673,6 +673,8 @@ LIBTOOL
 OBJDUMP
 DLLTOOL
 SED
+NEWLIB_NANO_MALLOC_FALSE
+NEWLIB_NANO_MALLOC_TRUE
 sys_dir
 machine_dir
 libm_machine_dir
@@ -749,8 +751,6 @@ build
 newlib_basedir
 MAY_SUPPLY_SYSCALLS_FALSE
 MAY_SUPPLY_SYSCALLS_TRUE
-NEWLIB_NANO_MALLOC_FALSE
-NEWLIB_NANO_MALLOC_TRUE
 target_alias
 host_alias
 build_alias
@@ -2224,15 +2224,7 @@ if test "${enable_newlib_nano_malloc+set}" = set; then :
    *) as_fn_error $? "bad value ${enableval} for newlib-nano-malloc" "$LINENO" 5 ;;
  esac
 else
-  newlib_nano_malloc=no
-fi
-
- if test x$newlib_nano_malloc = xyes; then
-  NEWLIB_NANO_MALLOC_TRUE=
-  NEWLIB_NANO_MALLOC_FALSE='#'
-else
-  NEWLIB_NANO_MALLOC_TRUE='#'
-  NEWLIB_NANO_MALLOC_FALSE=
+  newlib_nano_malloc=
 fi
 
 
@@ -3811,6 +3803,15 @@ OBJEXT=${oext}
 
 
 
+ if test x$newlib_nano_malloc = xyes; then
+  NEWLIB_NANO_MALLOC_TRUE=
+  NEWLIB_NANO_MALLOC_FALSE='#'
+else
+  NEWLIB_NANO_MALLOC_TRUE='#'
+  NEWLIB_NANO_MALLOC_FALSE=
+fi
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
 $as_echo_n "checking for a sed that does not truncate output... " >&6; }
 if ${ac_cv_path_SED+:} false; then :
@@ -11500,7 +11501,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11503 "configure"
+#line 11504 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11606,7 +11607,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11609 "configure"
+#line 11610 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12219,10 +12220,6 @@ LIBOBJS=$ac_libobjs
 LTLIBOBJS=$ac_ltlibobjs
 
 
-if test -z "${NEWLIB_NANO_MALLOC_TRUE}" && test -z "${NEWLIB_NANO_MALLOC_FALSE}"; then
-  as_fn_error $? "conditional \"NEWLIB_NANO_MALLOC\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
 if test -z "${MAY_SUPPLY_SYSCALLS_TRUE}" && test -z "${MAY_SUPPLY_SYSCALLS_FALSE}"; then
   as_fn_error $? "conditional \"MAY_SUPPLY_SYSCALLS\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -12271,6 +12268,10 @@ if test -z "${USE_LIBTOOL_TRUE}" && test -z "${USE_LIBTOOL_FALSE}"; then
   as_fn_error $? "conditional \"USE_LIBTOOL\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${NEWLIB_NANO_MALLOC_TRUE}" && test -z "${NEWLIB_NANO_MALLOC_FALSE}"; then
+  as_fn_error $? "conditional \"NEWLIB_NANO_MALLOC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
   as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5

newlib/libc/configure.in

@@ -24,11 +24,12 @@ AC_ARG_ENABLE(newlib_nano_malloc,
    yes) newlib_nano_malloc=yes ;;
    no)  newlib_nano_malloc=no ;;
    *) AC_MSG_ERROR(bad value ${enableval} for newlib-nano-malloc) ;;
- esac],[newlib_nano_malloc=no])
-AM_CONDITIONAL(NEWLIB_NANO_MALLOC, test x$newlib_nano_malloc = xyes)
+ esac],[newlib_nano_malloc=])
 
 NEWLIB_CONFIGURE(..)
 
+AM_CONDITIONAL(NEWLIB_NANO_MALLOC, test x$newlib_nano_malloc = xyes)
+
 dnl We have to enable libtool after NEWLIB_CONFIGURE because if we try and
 dnl add it into NEWLIB_CONFIGURE, executable tests are made before the first
 dnl line of the macro which fail because appropriate LDFLAGS are not set.