diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 0a4e2fd830..79dde00a87 100644 --- a/configure.in +++ b/configure.in @@ -389,6 +389,18 @@ AC_STRUCT_ST_BLKSIZE AC_STRUCT_ST_BLOCKS AC_STRUCT_ST_RDEV +AC_CACHE_CHECK(for stack end address, rb_cv_stack_end_address, +[rb_cv_stack_end_address=no +for addr in __libc_stack_end _SEND; do + AC_TRY_LINK( + [extern void *$addr;], + [if (!$addr) return 1;], + [rb_cv_stack_end_address="$addr"; break]) +done]) +if test $rb_cv_stack_end_address != no; then + AC_DEFINE_UNQUOTED(STACK_END_ADDRESS, $rb_cv_stack_end_address) +fi + dnl Checks for library functions. AC_TYPE_GETGROUPS AC_TYPE_SIGNAL |