Remove now-inaccurate bytecode comments

[gnu-emacs] / configure.ac

diff --git a/configure.ac b/configure.ac
index 2674806cadc1dea07d4e7d687172b0788374ad90..c94ecb629efac57c6a65c2f6db3ff42624abe8b4 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1643,15 +1643,17 @@ AC_CHECK_HEADERS_ONCE(
   sys/resource.h
   sys/utsname.h pwd.h utmp.h util.h)
 
-AC_MSG_CHECKING(if personality LINUX32 can be set)
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
-               emacs_cv_personality_linux32=yes,
-              emacs_cv_personality_linux32=no)
-AC_MSG_RESULT($emacs_cv_personality_linux32)
-
-if test $emacs_cv_personality_linux32 = yes; then
-  AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
-            [Define to 1 if personality LINUX32 can be set.])
+AC_CACHE_CHECK([for ADDR_NO_RANDOMIZE],
+  [emacs_cv_personality_addr_no_randomize],
+  [AC_COMPILE_IFELSE(
+     [AC_LANG_PROGRAM([[#include <sys/personality.h>]],
+                     [[personality (personality (0xffffffff)
+                                    | ADDR_NO_RANDOMIZE)]])],
+     [emacs_cv_personality_addr_no_randomize=yes],
+     [emacs_cv_personality_addr_no_randomize=no])])
+if test $emacs_cv_personality_addr_no_randomize = yes; then
+  AC_DEFINE([HAVE_PERSONALITY_ADDR_NO_RANDOMIZE], [1],
+            [Define to 1 if personality flag ADDR_NO_RANDOMIZE exists.])
 fi
 
 # Note that Solaris has sys/sysinfo.h which defines struct
@@ -2177,8 +2179,8 @@ elif test "$hybrid_malloc" = yes; then
   AC_DEFINE(HYBRID_MALLOC, 1,
     [Define to use gmalloc before dumping and the system malloc after.])
   HYBRID_MALLOC=1
-  GNU_MALLOC=
-  GNU_MALLOC_reason="only before dumping"
+  GNU_MALLOC=no
+  GNU_MALLOC_reason=" (only before dumping)"
   GMALLOC_OBJ=gmalloc.o
   VMLIMIT_OBJ=
 else
@@ -4287,23 +4289,32 @@ else
     [Returns true if character is any form of separator.])
 fi
 
-AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
-
-case $opsys in
-  aix4-2)
-    dnl Unfortunately without libXmu we cannot support EditRes.
-    if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
-      AC_DEFINE(NO_EDITRES, 1)
-    fi
-    ;;
-
-  hpux*)
-    dnl Assar Westerlund <assar@sics.se> says this is necessary for
-    dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
-    AC_DEFINE(NO_EDITRES, 1)
+if test "$USE_X_TOOLKIT" != "none"; then
+  have_editres=yes
+  case $opsys in
+    hpux*)
+      dnl Assar Westerlund <assar@sics.se> says this is necessary
+      dnl for HP-UX 10.20, and that it works for HP-UX 0 as well.
+      have_editres=no
     ;;
-esac
-
+  esac
+  if test "$have_editres" != no && test ! -z "$LIBXMU"; then
+    OLDLIBS="$LIBS"
+    dnl See libXmu.a check above.
+    if test x$HAVE_X11XTR6 = xyes; then
+      LIBS="-lXt -lSM -lICE $LIBXMU"
+    else
+      OTHERLIBS="-lXt -$LIBXMU"
+    fi
+    AC_TRY_LINK(
+      [#include <X11/Intrinsic.h>
+       #include <X11/Xmu/Editres.h>],
+      [_XEditResCheckMessages (0, 0, 0, 0);],
+      [AC_DEFINE([X_TOOLKIT_EDITRES], 1,
+        [Define to 1 if we should use XEditRes.])])
+    LIBS=$OLDLIBS
+  fi
+fi
 
 case $opsys in
   sol2* | unixware )