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AC_CXX_DTOR_AFTER_ATEXIT
1.2 (2004/02/15) 0.5.57 : C++_Support
Todd Veldhuizen and Luc Maisonobe <luc@spaceroots.org>
If the C++ compiler calls global destructors after atexit functions, define HAVE_DTOR_AFTER_ATEXIT. WARNING: If cross-compiling, the test cannot be performed, the default action is to define HAVE_DTOR_AFTER_ATEXIT.
AC_DEFUN([AC_CXX_DTOR_AFTER_ATEXIT],
[AC_CACHE_CHECK(whether the compiler calls global destructors after functions registered through atexit,
ac_cv_cxx_dtor_after_atexit,
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_RUN([
#include <unistd.h>
#include <stdlib.h>
static int dtor_called = 0;
class A { public : ~A () { dtor_called = 1; } };
static A a;
void f() { _exit(dtor_called); }
int main (int , char **)
{
atexit (f);
return 0;
}
],
ac_cv_cxx_dtor_after_atexit=yes, ac_cv_cxx_dtor_after_atexit=yes=no,
ac_cv_cxx_dtor_after_atexit=yes)
AC_LANG_RESTORE
])
if test "$ac_cv_cxx_dtor_after_atexit" = yes; then
AC_DEFINE(HAVE_DTOR_AFTER_ATEXIT,,
[define if the compiler calls global destructors after functions registered through atexit])
fi
])