# include <unistd.h>
#endif"
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS MAINT build build_cpu build_vendor build_os host host_cpu host_vendor host_os CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT LN_S CPP INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA RANLIB ac_ct_RANLIB INSTALL_INFO EGREP LIBSOUND SETARCH SET_MAKE PKG_CONFIG GTK_CFLAGS GTK_LIBS ALLOCA liblockfile LIBOBJS NEED_SETGID KMEM_GROUP GETLOADAVG_LIBS version configuration canonical srcdir lispdir locallisppath lisppath x_default_search_path etcdir archlibdir docdir bitmapdir gamedir gameuser c_switch_system c_switch_machine LD_SWITCH_X_SITE LD_SWITCH_X_SITE_AUX C_SWITCH_X_SITE X_TOOLKIT_TYPE machfile opsysfile carbon_appdir LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS MAINT build build_cpu build_vendor build_os host host_cpu host_vendor host_os CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT LN_S CPP INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA RANLIB ac_ct_RANLIB INSTALL_INFO EGREP LIBSOUND SET_MAKE PKG_CONFIG GTK_CFLAGS GTK_LIBS ALLOCA liblockfile LIBOBJS NEED_SETGID KMEM_GROUP GETLOADAVG_LIBS version configuration canonical srcdir lispdir locallisppath lisppath x_default_search_path etcdir archlibdir docdir bitmapdir gamedir gameuser c_switch_system c_switch_machine LD_SWITCH_X_SITE LD_SWITCH_X_SITE_AUX C_SWITCH_X_SITE X_TOOLKIT_TYPE machfile opsysfile carbon_appdir LTLIBOBJS'
ac_subst_files=''
# Initialize some variables set by options.
done
+echo "$as_me:$LINENO: checking if personality LINUX32 can be set" >&5
+echo $ECHO_N "checking if personality LINUX32 can be set... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <sys/personality.h>
+int
+main ()
+{
+personality (PER_LINUX32)
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ emacs_cv_personality_linux32=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+emacs_cv_personality_linux32=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $emacs_cv_personality_linux32" >&5
+echo "${ECHO_T}$emacs_cv_personality_linux32" >&6
+
+if test $emacs_cv_personality_linux32 = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_PERSONALITY_LINUX32 1
+_ACEOF
+
+fi
+
+
for ac_header in term.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
fi
-echo "$as_me:$LINENO: checking whether heap start address is randomized" >&5
-echo $ECHO_N "checking whether heap start address is randomized... $ECHO_C" >&6
-if test x"$ac_cv_header_unistd_h" != x && test x"$ac_cv_header_stdlib_h" != x
-then
- if test "$cross_compiling" = yes; then
- emacs_cv_randomheap='assuming no'
-else
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-int main (int argc, char *argv[])
-{
- unsigned long old_sbrk = 0;
- unsigned long this_sbrk = (unsigned long) sbrk(0);
- int nr = 1;
- if (argc != 1) {
- old_sbrk = strtoul (argv[1], 0, 0);
- nr = atoi (argv[2])+1;
- }
- if (argc == 1 || (old_sbrk == this_sbrk && nr < 3))
- {
- char buf1[32], buf2[32];
- sprintf (buf1, "%lu", this_sbrk);
- sprintf (buf2, "%d", nr);
- execl (argv[0], argv[0], buf1, buf2, 0);
- exit (-1);
- }
- exit (this_sbrk == old_sbrk);
-}
-_ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
- (eval $ac_link) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- emacs_cv_randomheap=yes
-else
- echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-emacs_cv_randomheap=no
-fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-else
- emacs_cv_randomheap='assuming no'
-fi
-echo "$as_me:$LINENO: result: $emacs_cv_randomheap" >&5
-echo "${ECHO_T}$emacs_cv_randomheap" >&6
-
-if test "$emacs_cv_randomheap" = yes; then
- # Extract the first word of "setarch", so it can be a program name with args.
-set dummy setarch; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_path_SETARCH+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- case $SETARCH in
- [\\/]* | ?:[\\/]*)
- ac_cv_path_SETARCH="$SETARCH" # Let the user override the test with a path.
- ;;
- *)
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_path_SETARCH="$as_dir/$ac_word$ac_exec_ext"
- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
-done
-
- test -z "$ac_cv_path_SETARCH" && ac_cv_path_SETARCH="no"
- ;;
-esac
-fi
-SETARCH=$ac_cv_path_SETARCH
-
-if test -n "$SETARCH"; then
- echo "$as_me:$LINENO: result: $SETARCH" >&5
-echo "${ECHO_T}$SETARCH" >&6
-else
- echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
-
- if test "$SETARCH" != no && test "$machine" = "intel386"; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_RANDOM_HEAPSTART 1
-_ACEOF
-
- else
- emacs_cv_randomheap=warn
- fi
-fi
s,@INSTALL_INFO@,$INSTALL_INFO,;t t
s,@EGREP@,$EGREP,;t t
s,@LIBSOUND@,$LIBSOUND,;t t
-s,@SETARCH@,$SETARCH,;t t
s,@SET_MAKE@,$SET_MAKE,;t t
s,@PKG_CONFIG@,$PKG_CONFIG,;t t
s,@GTK_CFLAGS@,$GTK_CFLAGS,;t t
linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h)
+
+AC_MSG_CHECKING(if personality LINUX32 can be set)
+AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
+ emacs_cv_personality_linux32=yes,
+ emacs_cv_personality_linux32=no)
+AC_MSG_RESULT($emacs_cv_personality_linux32)
+
+if test $emacs_cv_personality_linux32 = yes; then
+ AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
+ [Define to 1 if personality LINUX32 can be set.])
+fi
+
dnl On Solaris 8 there's a compilation warning for term.h because
dnl it doesn't define `bool'.
AC_CHECK_HEADERS(term.h, , , -)
[Define as `void' if your compiler accepts `void *'; otherwise
define as `char'.])dnl
-dnl Test if heap start address is randomized (exec-shield does this).
-dnl The test program requires unistd.h and stdlib.h. They are present
-dnl on the systems that currently have exec-shield.
-AC_MSG_CHECKING(whether heap start address is randomized)
-if test x"$ac_cv_header_unistd_h" != x && test x"$ac_cv_header_stdlib_h" != x
-then
- AC_TRY_RUN([#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-int main (int argc, char *argv[])
-{
- unsigned long old_sbrk = 0;
- unsigned long this_sbrk = (unsigned long) sbrk(0);
- int nr = 1;
- if (argc != 1) {
- old_sbrk = strtoul (argv[1], 0, 0);
- nr = atoi (argv[2])+1;
- }
- if (argc == 1 || (old_sbrk == this_sbrk && nr < 3))
- {
- char buf1[32], buf2[32];
- sprintf (buf1, "%lu", this_sbrk);
- sprintf (buf2, "%d", nr);
- execl (argv[0], argv[0], buf1, buf2, 0);
- exit (-1);
- }
- exit (this_sbrk == old_sbrk);
-}], emacs_cv_randomheap=yes, emacs_cv_randomheap=no,
- emacs_cv_randomheap='assuming no')
-else
- emacs_cv_randomheap='assuming no'
-fi
-AC_MSG_RESULT($emacs_cv_randomheap)
-
-if test "$emacs_cv_randomheap" = yes; then
- AC_PATH_PROG(SETARCH, setarch, no)
- AC_SUBST(SETARCH)
- if test "$SETARCH" != no && test "$machine" = "intel386"; then
- AC_DEFINE(HAVE_RANDOM_HEAPSTART, 1,
- [Define to 1 if this OS randomizes the start address of the heap.])
- else
- dnl We do the warning at the end of the configure run so it is seen.
- emacs_cv_randomheap=warn
- fi
-fi
dnl This could be used for targets which can have both byte sexes.
projects / emacs.git / commitdiff