configure: autoconf regen (2.69) ALLOCA NDEBUG DEBUG

also --enable-assertions --enable-debug
also termio.h termios.h sys/ioctl.h

scripts/configure

@@ -653,6 +653,8 @@ sub_extra_libs
 top_extra_libs
 ld_extra_objs
 ld_extra_libs
+NDEBUG_defs
+DEBUG_defs
 stub_defs
 extra_defs
 extra_libs
@@ -680,6 +682,7 @@ X_CFLAGS
 XMKMF
 PYTHON3
 GCORE
+ALLOCA
 EGREP
 GREP
 RANLIB
@@ -752,6 +755,8 @@ ac_subst_files=''
 ac_user_opts='
 enable_option_checking
 with_gnu_ld
+enable_assertions
+enable_debug
 enable_compression
 with_x
 with_distdir
@@ -1423,31 +1428,33 @@ Optional Features:
   --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --enable-assertions          build with fatal assertions enabled
+  --enable-debug               build with fatal debug enabled
   --disable-compression        disable file compression
   --enable-memdebug            enable memory debugging
-  --enable-modular        embed ext2sim and ext2spice packages
+  --enable-modular             embed ext2sim and ext2spice packages
-  --disable-locking        disable file locking
+  --disable-locking            disable file locking
-  --disable-calma        disable calma package
+  --disable-calma              disable calma package
-  --disable-cif        disable cif package
+  --disable-cif                disable cif package
-  --disable-client-render        disable OpenGL client-side rendering
+  --disable-client-render      disable OpenGL client-side rendering
-  --enable-invert-y        invert screen top to bottom in OpenGL
+  --enable-invert-y            invert screen top to bottom in OpenGL
   --disable-framebuffer-backing-store     disable OpenGL framebuffer backing store
-  --disable-plot	disable plot package
+  --disable-plot               disable plot package
-  --disable-lef	disable LEF package
+  --disable-lef                disable LEF package
-  --disable-readline	disable readline package
+  --disable-readline           disable readline package
-  --disable-threads        disable threaded graphics
+  --disable-threads            disable threaded graphics
-  --disable-route        disable routing package
+  --disable-route              disable routing package
-  --disable-rsim        disable IRSIM tool
+  --disable-rsim               disable IRSIM tool
-  --disable-new-macros        disable new macro set
+  --disable-new-macros         disable new macro set
-  --enable-cairo-offscreen        Use Cairo for off-screen rendering
+  --enable-cairo-offscreen     Use Cairo for off-screen rendering
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
   --with-x                use the X Window System
-  --with-distdir=DIR	    install into location DIR for distribution
+  --with-distdir=DIR	  install into location DIR for distribution
-  --with-interpreter=arg	enable interpreter (tcl, scheme, or no)
+  --with-interpreter=arg  enable interpreter (tcl, scheme, or no)
   --with-tcl=DIR          Find tclConfig.sh in DIR
   --with-tk=DIR           Find tkConfig.sh in DIR
   --with-tclincls=DIR     Find tcl.h in DIR
@@ -1455,9 +1462,9 @@ Optional Packages:
   --with-tcllibs=DIR      Find Tcl library in DIR
   --with-tklibs=DIR       Find Tk library in DIR
   --with-wish=EXE         Use wish binary at EXE
-  --with-openaccess=DIR	use OpenAccess libraries in DIR
+  --with-openaccess=DIR   use OpenAccess libraries in DIR
-  --with-opengl=DIR          use OpenGL include files in DIR
+  --with-opengl=DIR       use OpenGL include files in DIR
-  --with-cairo=DIR          use Cairo include files in DIR
+  --with-cairo=DIR        use Cairo include files in DIR
 
 Some influential environment variables:
   CC          C compiler command
@@ -5122,6 +5129,204 @@ $as_echo "#define HAVE_STDBOOL_H 1" >>confdefs.h
 fi
 
 
+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 ()
+{
+char *p = (char *) alloca (2 * sizeof (int));
+			  if (p) return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_working_alloca_h=yes
+else
+  ac_cv_working_alloca_h=no
+fi
+rm -f core conftest.err conftest.$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 $ac_cv_working_alloca_h = yes; then
+
+$as_echo "#define HAVE_ALLOCA_H 1" >>confdefs.h
+
+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.  */
+#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 ()
+{
+char *p = (char *) alloca (1);
+				    if (p) return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_func_alloca_works=yes
+else
+  ac_cv_func_alloca_works=no
+fi
+rm -f core conftest.err conftest.$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 $ac_cv_func_alloca_works = yes; then
+
+$as_echo "#define HAVE_ALLOCA 1" >>confdefs.h
+
+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
+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 (int *addr, int depth)
+{
+  int dir, dummy = 0;
+  if (! addr)
+    addr = &dummy;
+  *addr = addr < &dummy ? 1 : addr == &dummy ? 0 : -1;
+  dir = depth ? find_stack_direction (addr, depth - 1) : 0;
+  return dir + dummy;
+}
+
+int
+main (int argc, char **argv)
+{
+  return find_stack_direction (0, argc + !argv + 20) < 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 $ac_cv_c_stack_direction
+_ACEOF
+
+
+fi
+
+
 for ac_func in setenv putenv
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
@@ -5291,6 +5496,45 @@ $as_echo "#define TIME_WITH_SYS_TIME 1" >>confdefs.h
 fi
 
 
+for ac_header in termio.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "termio.h" "ac_cv_header_termio_h" "$ac_includes_default"
+if test "x$ac_cv_header_termio_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_TERMIO_H 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in termios.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "termios.h" "ac_cv_header_termios_h" "$ac_includes_default"
+if test "x$ac_cv_header_termios_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_TERMIOS_H 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in sys/ioctl.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "sys/ioctl.h" "ac_cv_header_sys_ioctl_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_ioctl_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SYS_IOCTL_H 1
+_ACEOF
+
+fi
+
+done
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for va_copy" >&5
 $as_echo_n "checking for va_copy... " >&6; }
 if ${ac_cv_c_va_copy+:} false; then :
@@ -5362,6 +5606,32 @@ $as_echo "#define HAVE___VA_COPY 1" >>confdefs.h
 
 fi
 
+# Check whether --enable-assertions was given.
+if test "${enable_assertions+set}" = set; then :
+  enableval=$enable_assertions;
+else
+  enable_assertions=no
+fi
+
+
+NDEBUG_defs="-DNDEBUG"
+if test "x$enable_assertions" = "xyes" ; then
+   NDEBUG_defs=""
+fi
+
+# Check whether --enable-debug was given.
+if test "${enable_debug+set}" = set; then :
+  enableval=$enable_debug;
+else
+  enable_debug=no
+fi
+
+
+DEBUG_defs=""
+if test "x$enable_debug" = "xyes" ; then
+   DEBUG_defs="-DDEBUG"
+fi
+
 # Check whether --enable-compression was given.
 if test "${enable_compression+set}" = set; then :
   enableval=$enable_compression;
@@ -8590,6 +8860,8 @@ fi
 
 
 
+
+