2007-03-15 Jeff Johnston <jjohnstn@redhat.com>

        * configure.in: Add new --enable-newlib-reent-small option.
        * configure: Regenerated.
        * acconfig.h: Add _WANT_REENT_SMALL.
        * newlib.hin: Regenerated minus PACKAGE macros to add
        _WANT_REENT_SMALL macro.
        * libc/include/sys/config.h[_WANT_REENT_SMALL]: Set _REENT_SMALL
        if not already set.
        * libc/stdio/fflush.c[_REENT_SMALL]: Return immediately if
        there is no buffer.
        * libc/stdio/local.h[_REENT_SMALL]: Fix CHECK_INIT macro to
        use reentrant pointer passed in when resetting the file
        pointer to one of the std streams.

1 files changed, 22 insertions, 1 deletions

diff --git a/newlib/configure b/newlib/configure
index 995358ed9..e07ca3611 100755
--- a/newlib/configure
+++ b/newlib/configure
@@ -831,6 +831,7 @@ Optional Features:
   --enable-newlib-iconv-to-encodings   enable specific comma-separated list of \"to\" iconv encodings to be built-in
   --enable-newlib-iconv-external-ccs     enable capabilities to load external CCS files for iconv
   --disable-newlib-atexit-alloc    disable dynamic allocation of atexit entries
+  --enable-newlib-reent-small   enable small reentrant struct support
   --enable-multilib         build many library versions (default)
   --enable-target-optspace  optimize for space
   --enable-malloc-debugging indicate malloc debugging requested
@@ -1464,6 +1465,19 @@ echo "$as_me: error: bad value ${enableval} for newlib-atexit-dynamic-alloc opti
 else
   newlib_atexit_dynamic_alloc=${newlib_atexit_dynamic_alloc}
 fi;
+# Check whether --enable-newlib-reent-small or --disable-newlib-reent-small was given.
+if test "${enable_newlib_reent_small+set}" = set; then
+  enableval="$enable_newlib_reent_small"
+  case "${enableval}" in
+  yes) newlib_reent_small=yes;;
+  no)  newlib_reent_small=no ;;
+  *)   { { echo "$as_me:$LINENO: error: bad value ${enableval} for newlib-reent-small option" >&5
+echo "$as_me: error: bad value ${enableval} for newlib-reent-small option" >&2;}
+   { (exit 1); exit 1; }; } ;;
+ esac
+else
+  newlib_reent_small=
+fi;
 
 # Make sure we can run config.sub.
 $ac_config_sub sun4 >/dev/null 2>&1 ||
@@ -4764,7 +4778,7 @@ test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
 case $host in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 4767 "configure"' > conftest.$ac_ext
+  echo '#line 4781 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -5204,6 +5218,13 @@ _ACEOF
 
 fi
 
+if test "${newlib_reent_small}" = "yes"; then
+cat >>confdefs.h <<_ACEOF
+#define _WANT_REENT_SMALL 1
+_ACEOF
+
+fi
+
 if test "${newlib_mb}" = "yes"; then
 cat >>confdefs.h <<_ACEOF
 #define _MB_CAPABLE 1