--- acconfig.h.orig	2009-02-23 12:39:42.000000000 -0700

+++ acconfig.h	2010-12-30 10:24:39.000000000 -0700

@@ -53,11 +53,10 @@ SGC is enabled.  */

 #undef HAVE_ALLOCA 

 #endif

-

 /* define if need alloca.h */

-#undef NEED_ALLOCA_H

+#undef HAVE_ALLOCA_H

-#ifdef NEED_ALLOCA_H

+#ifdef HAVE_ALLOCA_H

 #include <alloca.h>

 #endif

--- configure.in.orig	2010-12-29 13:49:09.000000000 -0700

+++ configure.in	2010-12-30 10:25:19.000000000 -0700

@@ -1874,33 +1874,7 @@ AC_SUBST(NOTIFY)

 # alloca

-AC_MSG_CHECKING([for alloca])

-AC_RUN_IFELSE([AC_LANG_PROGRAM([],[[exit(alloca(500) != NULL ? 0 : 1);]])]

-  ,gcl_ok=yes, gcl_ok=no,gcl_ok=no)

-if test $gcl_ok = yes ; then

-    AC_MSG_RESULT(yes)

-    AC_DEFINE(HAVE_ALLOCA)

-else

-  AC_RUN_IFELSE([AC_LANG_PROGRAM([[

-  #include <alloca.h>

-  ]],[[exit(alloca(500) != NULL ? 0 : 1);]])]

-  ,gcl_ok=yes, gcl_ok=no,gcl_ok=no)

- if test $gcl_ok = yes ; then

-    AC_MSG_RESULT(yes)

-    AC_DEFINE(HAVE_ALLOCA)

-    AC_DEFINE(NEED_ALLOCA_H)

- fi

-fi

-if test $gcl_ok = no ; then     AC_MSG_RESULT(no) ; fi

-

-

-

-

-

-

-

-

-

+AC_FUNC_ALLOCA

 # dlopen etc

 # idea make it so you do something dlopen(libX.so,RTLD_GLOBAL)

--- configure.orig	2010-12-29 13:49:15.000000000 -0700

+++ configure	2010-12-30 10:52:29.000000000 -0700

@@ -609,6 +609,7 @@ O3FLAGS

 NIFLAGS

 FINAL_CFLAGS

 BROKEN_O4_OPT

+ALLOCA

 NOTIFY

 TCL_LIBS

 TCL_DL_LIBS

@@ -2046,6 +2047,60 @@ $as_echo "$ac_res" >&6; }

   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

 } # ac_fn_c_check_func

+

+# ac_fn_c_check_type LINENO TYPE VAR INCLUDES

+# -------------------------------------------

+# Tests whether TYPE exists after having included INCLUDES, setting cache

+# variable VAR accordingly.

+ac_fn_c_check_type ()

+{

+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack

+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5

+$as_echo_n "checking for $2... " >&6; }

+if eval \${$3+:} false; then :

+  $as_echo_n "(cached) " >&6

+else

+  eval "$3=no"

+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext

+/* end confdefs.h.  */

+$4

+int

+main ()

+{

+if (sizeof ($2))

+	 return 0;

+  ;

+  return 0;

+}

+_ACEOF

+if ac_fn_c_try_compile "$LINENO"; then :

+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext

+/* end confdefs.h.  */

+$4

+int

+main ()

+{

+if (sizeof (($2)))

+	    return 0;

+  ;

+  return 0;

+}

+_ACEOF

+if ac_fn_c_try_compile "$LINENO"; then :

+

+else

+  eval "$3=yes"

+fi

+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext

+fi

+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext

+fi

+eval ac_res=\$$3

+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5

+$as_echo "$ac_res" >&6; }

+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

+

+} # ac_fn_c_check_type

 cat >config.log <<_ACEOF

 This file contains any messages produced by compilers while

 running configure, to aid debugging if configure makes a mistake.

@@ -7776,83 +7831,205 @@ NOTIFY=$enable_notify

 # alloca

-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for alloca" >&5

-$as_echo_n "checking for alloca... " >&6; }

-if test "$cross_compiling" = yes; then :

-  gcl_ok=no

+ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"

+if test "x$ac_cv_type_size_t" = xyes; then :

+

+else

+

+cat >>confdefs.h <<_ACEOF

+#define size_t unsigned int

+_ACEOF

+

+fi

+

+# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works

+# for constant arguments.  Useless!

+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working alloca.h" >&5

+$as_echo_n "checking for working alloca.h... " >&6; }

+if ${ac_cv_working_alloca_h+:} false; then :

+  $as_echo_n "(cached) " >&6

 else

   cat confdefs.h - <<_ACEOF >conftest.$ac_ext

 /* end confdefs.h.  */

-

+#include <alloca.h>

 int

 main ()

 {

-exit(alloca(500) != NULL ? 0 : 1);

+char *p = (char *) alloca (2 * sizeof (int));

+			  if (p) return 0;

   ;

   return 0;

 }

-

 _ACEOF

-if ac_fn_c_try_run "$LINENO"; then :

-  gcl_ok=yes

+if ac_fn_c_try_link "$LINENO"; then :

+  ac_cv_working_alloca_h=yes

 else

-  gcl_ok=no

+  ac_cv_working_alloca_h=no

 fi

-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \

-  conftest.$ac_objext conftest.beam conftest.$ac_ext

+rm -f core conftest.err conftest.$ac_objext \

+    conftest$ac_exeext conftest.$ac_ext

 fi

+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_alloca_h" >&5

+$as_echo "$ac_cv_working_alloca_h" >&6; }

+if test $ac_cv_working_alloca_h = yes; then

-if test $gcl_ok = yes ; then

-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5

-$as_echo "yes" >&6; }

-    $as_echo "#define HAVE_ALLOCA 1" >>confdefs.h

+$as_echo "#define HAVE_ALLOCA_H 1" >>confdefs.h

-else

-  if test "$cross_compiling" = yes; then :

-  gcl_ok=no

+fi

+

+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for alloca" >&5

+$as_echo_n "checking for alloca... " >&6; }

+if ${ac_cv_func_alloca_works+:} false; then :

+  $as_echo_n "(cached) " >&6

 else

   cat confdefs.h - <<_ACEOF >conftest.$ac_ext

 /* end confdefs.h.  */

-

-  #include <alloca.h>

+#ifdef __GNUC__

+# define alloca __builtin_alloca

+#else

+# ifdef _MSC_VER

+#  include <malloc.h>

+#  define alloca _alloca

+# else

+#  ifdef HAVE_ALLOCA_H

+#   include <alloca.h>

+#  else

+#   ifdef _AIX

+ #pragma alloca

+#   else

+#    ifndef alloca /* predefined by HP cc +Olibcalls */

+void *alloca (size_t);

+#    endif

+#   endif

+#  endif

+# endif

+#endif

 int

 main ()

 {

-exit(alloca(500) != NULL ? 0 : 1);

+char *p = (char *) alloca (1);

+				    if (p) return 0;

   ;

   return 0;

 }

-

 _ACEOF

-if ac_fn_c_try_run "$LINENO"; then :

-  gcl_ok=yes

+if ac_fn_c_try_link "$LINENO"; then :

+  ac_cv_func_alloca_works=yes

 else

-  gcl_ok=no

+  ac_cv_func_alloca_works=no

 fi

-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \

-  conftest.$ac_objext conftest.beam conftest.$ac_ext

+rm -f core conftest.err conftest.$ac_objext \

+    conftest$ac_exeext conftest.$ac_ext

 fi

+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_alloca_works" >&5

+$as_echo "$ac_cv_func_alloca_works" >&6; }

- if test $gcl_ok = yes ; then

-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5

-$as_echo "yes" >&6; }

-    $as_echo "#define HAVE_ALLOCA 1" >>confdefs.h

+if test $ac_cv_func_alloca_works = yes; then

-    $as_echo "#define NEED_ALLOCA_H 1" >>confdefs.h

+$as_echo "#define HAVE_ALLOCA 1" >>confdefs.h

- fi

+else

+  # The SVR3 libPW and SVR4 libucb both contain incompatible functions

+# that cause trouble.  Some versions do not even contain alloca or

+# contain a buggy version.  If you still want to use their alloca,

+# use ar to extract alloca.o from them instead of compiling alloca.c.

+

+ALLOCA=\${LIBOBJDIR}alloca.$ac_objext

+

+$as_echo "#define C_ALLOCA 1" >>confdefs.h

+

+

+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \`alloca.c' needs Cray hooks" >&5

+$as_echo_n "checking whether \`alloca.c' needs Cray hooks... " >&6; }

+if ${ac_cv_os_cray+:} false; then :

+  $as_echo_n "(cached) " >&6

+else

+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext

+/* end confdefs.h.  */

+#if defined CRAY && ! defined CRAY2

+webecray

+#else

+wenotbecray

+#endif

+

+_ACEOF

+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |

+  $EGREP "webecray" >/dev/null 2>&1; then :

+  ac_cv_os_cray=yes

+else

+  ac_cv_os_cray=no

 fi

-if test $gcl_ok = no ; then     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5

-$as_echo "no" >&6; } ; fi

+rm -f conftest*

+fi

+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_os_cray" >&5

+$as_echo "$ac_cv_os_cray" >&6; }

+if test $ac_cv_os_cray = yes; then

+  for ac_func in _getb67 GETB67 getb67; do

+    as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`

+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"

+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :

+cat >>confdefs.h <<_ACEOF

+#define CRAY_STACKSEG_END $ac_func

+_ACEOF

+    break

+fi

+  done

+fi

+

+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5

+$as_echo_n "checking stack direction for C alloca... " >&6; }

+if ${ac_cv_c_stack_direction+:} false; then :

+  $as_echo_n "(cached) " >&6

+else

+  if test "$cross_compiling" = yes; then :

+  ac_cv_c_stack_direction=0

+else

+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext

+/* end confdefs.h.  */

+$ac_includes_default

+int

+find_stack_direction ()

+{

+  static char *addr = 0;

+  auto char dummy;

+  if (addr == 0)

+    {

+      addr = &dummy;

+      return find_stack_direction ();

+    }

+  else

+    return (&dummy > addr) ? 1 : -1;

+}

+int

+main ()

+{

+  return find_stack_direction () < 0;

+}

+_ACEOF

+if ac_fn_c_try_run "$LINENO"; then :

+  ac_cv_c_stack_direction=1

+else

+  ac_cv_c_stack_direction=-1

+fi

+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \

+  conftest.$ac_objext conftest.beam conftest.$ac_ext

+fi

+fi

+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5

+$as_echo "$ac_cv_c_stack_direction" >&6; }

+cat >>confdefs.h <<_ACEOF

+#define STACK_DIRECTION $ac_cv_c_stack_direction

+_ACEOF

+fi

 # dlopen etc

--- h/gclincl.h.in.orig	2010-08-04 15:44:24.000000000 -0600

+++ h/gclincl.h.in	2010-12-30 10:52:29.000000000 -0700

@@ -54,11 +54,10 @@ SGC is enabled.  */

 #undef HAVE_ALLOCA 

 #endif

-

 /* define if need alloca.h */

-#undef NEED_ALLOCA_H

+#undef HAVE_ALLOCA_H

-#ifdef NEED_ALLOCA_H

+#ifdef HAVE_ALLOCA_H

 #include <alloca.h>

 #endif

@@ -260,6 +259,21 @@ SGC is enabled.  */

 #undef HAVE_OBJC_MALLOC_H

 #undef HAVE_OUTPUT_BFD

+/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP

+   systems. This function is required for `alloca.c' support on those systems.

+   */

+#undef CRAY_STACKSEG_END

+

+/* Define to 1 if using `alloca.c'. */

+#undef C_ALLOCA

+

+/* Define to 1 if you have `alloca', as a function or macro. */

+#undef HAVE_ALLOCA

+

+/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).

+   */

+#undef HAVE_ALLOCA_H

+

 /* Define to 1 if you have the <asm/sigcontext.h> header file. */

 #undef HAVE_ASM_SIGCONTEXT_H

@@ -365,8 +379,19 @@ SGC is enabled.  */

 /* The size of `long', as computed by sizeof. */

 #undef SIZEOF_LONG

+/* If using the C implementation of alloca, define if you know the

+   direction of stack growth for your system; otherwise it will be

+   automatically deduced at runtime.

+	STACK_DIRECTION > 0 => grows toward higher addresses

+	STACK_DIRECTION < 0 => grows toward lower addresses

+	STACK_DIRECTION = 0 => direction of growth unknown */

+#undef STACK_DIRECTION

+

 /* staticly linked images */

 #undef STATIC_LINKING

 /* Define to 1 if you have the ANSI C header files. */

 #undef STDC_HEADERS

+

+/* Define to `unsigned int' if <sys/types.h> does not define. */

+#undef size_t