}
>>,
changequote([, ])dnl
-ac_cv_c_const=yes, ac_cv_c_const=no)
-dnl
-dnl If the above compile succeeds, there may still be a problem.
-dnl At least one compiler, gcc-2.7.x, generates bad code for the following
-dnl program. If not cross-compiling then compile, link, and run the
-dnl following program to detect this. Otherwise, resort to using cpp
-dnl to check gcc's preprocessor symbols.
-dnl
-if test $ac_cv_c_const = yes; then
- AC_TRY_RUN(dnl
- [dnl
- /* Thanks to Paul Eggert for this test. */
- static void set (p) char *p; {*p = 'x';}
- int
- main ()
- {
- int i;
- for (i = 0; i < 1; ++i)
- {
- char x;
- set (&x);
- if (*(const char *) &x != 'x')
- exit (1);
- }
- exit (0);
- }
- ], , ac_cv_c_const=no,
- AC_EGREP_CPP(syntax-error,
- [#if __GNUC__ == 2 && __GNUC_MINOR__ == 7
- syntax-error
-#endif
- ], ac_cv_c_const=no))
-fi
-])
+ac_cv_c_const=yes, ac_cv_c_const=no)])
if test $ac_cv_c_const = no; then
AC_DEFINE(const, )
fi
}
>>,
changequote([, ])dnl
-ac_cv_c_const=yes, ac_cv_c_const=no)
-dnl
-dnl If the above compile succeeds, there may still be a problem.
-dnl At least one compiler, gcc-2.7.x, generates bad code for the following
-dnl program. If not cross-compiling then compile, link, and run the
-dnl following program to detect this. Otherwise, resort to using cpp
-dnl to check gcc's preprocessor symbols.
-dnl
-if test $ac_cv_c_const = yes; then
- AC_TRY_RUN(dnl
- [dnl
- /* Thanks to Paul Eggert for this test. */
- static void set (p) char *p; {*p = 'x';}
- int
- main ()
- {
- int i;
- for (i = 0; i < 1; ++i)
- {
- char x;
- set (&x);
- if (*(const char *) &x != 'x')
- exit (1);
- }
- exit (0);
- }
- ], , ac_cv_c_const=no,
- AC_EGREP_CPP(syntax-error,
- [#if __GNUC__ == 2 && __GNUC_MINOR__ == 7
- syntax-error
-#endif
- ], ac_cv_c_const=no))
-fi
-])
+ac_cv_c_const=yes, ac_cv_c_const=no)])
if test $ac_cv_c_const = no; then
AC_DEFINE(const, )
fi