2 files changed, 0 insertions, 14 deletions

diff --git a/autogen/config.in b/autogen/config.in
index 68f2c426ffa..b02b1fe462a 100644
--- a/autogen/config.in
+++ b/autogen/config.in
@@ -160,10 +160,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Mark a secondary stack, like the register stack on the ia64. */
 #undef GC_MARK_SECONDARY_STACK
 
-/* Define to GC_USE_GCPROS_AS_BEFORE if conservative garbage collection is not
-   known to work. */
-#undef GC_MARK_STACK
-
 /* Define if setjmp is known to save all registers relevant for conservative
    garbage collection in the jmp_buf. */
 #undef GC_SETJMP_WORKS
diff --git a/autogen/configure b/autogen/configure
index e1df418eede..750e8a8087d 100755
--- a/autogen/configure
+++ b/autogen/configure
@@ -15707,14 +15707,7 @@ esac
 
 
 
-
-
 case $opsys in
-  aix4-2 | hpux* | unixware)
-            $as_echo "#define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE" >>confdefs.h
-
-    ;;
-
           gnu-linux | gnu-kfreebsd )
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -15739,9 +15732,6 @@ _ACEOF
 if ac_fn_c_try_cpp "$LINENO"; then :
   $as_echo "#define GC_SETJMP_WORKS 1" >>confdefs.h
 
-else
-  $as_echo "#define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE" >>confdefs.h
-
 fi
 rm -f conftest.err conftest.$ac_ext
     ;;