diff options
Diffstat (limited to 'unix/configure')
| -rwxr-xr-x | unix/configure | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/unix/configure b/unix/configure index ca4a5f7..1e01fb3 100755 --- a/unix/configure +++ b/unix/configure @@ -17897,6 +17897,78 @@ echo "$as_me:$LINENO: result: $tcl_ok" >&5 echo "${ECHO_T}$tcl_ok" >&6 #-------------------------------------------------------------------- +# Does the C stack grow upwards or downwards? Or cross-compiling? +#-------------------------------------------------------------------- + +echo "$as_me:$LINENO: checking does the C stack grow upwards in memory?" >&5 +echo $ECHO_N "checking does the C stack grow upwards in memory?... $ECHO_C" >&6 +if test "${tcl_cv_stack_grows_up+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + + if test "$cross_compiling" = yes; then + tcl_cv_stack_grows_up=unknown +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + + int StackGrowsUp(int *parent) + { + int here; + return (&here < parent); + } + + int main (int argc, char *argv[]) + { + int foo; + return StackGrowsUp(&foo); + } + +_ACEOF +rm -f conftest$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 $ac_status); }; }; then + tcl_cv_stack_grows_up=yes +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) +tcl_cv_stack_grows_up=no +fi +rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi +fi +echo "$as_me:$LINENO: result: $tcl_cv_stack_grows_up" >&5 +echo "${ECHO_T}$tcl_cv_stack_grows_up" >&6 +if test $tcl_cv_stack_grows_up = unknown; then + +cat >>confdefs.h <<\_ACEOF +#define TCL_CROSS_COMPILE 1 +_ACEOF + +elif test $tcl_cv_stack_grows_up = yes; then + +cat >>confdefs.h <<\_ACEOF +#define TCL_STACK_GROWS_UP 1 +_ACEOF + +fi + +#-------------------------------------------------------------------- # The statements below define a collection of symbols related to # building libtcl as a shared library instead of a static library. #-------------------------------------------------------------------- |