1! { dg-do run }
2! { dg-additional-sources bind_c_vars_driver.c }
3module bind_c_vars
4  use, intrinsic :: iso_c_binding
5  implicit none
6
7  integer(c_int), bind(c) :: myF90Int
8  real(c_float), bind(c, name="myF90Real") :: f90_real
9  integer(c_int) :: c2
10  integer(c_int) :: c3
11  integer(c_int) :: c4
12  bind(c, name="myVariable") :: c2
13  bind(c) c3, c4
14
15  integer(c_int), bind(c, name="myF90Array3D") :: A(18, 3:7, 10)
16  integer(c_int), bind(c, name="myF90Array2D") :: B(3, 2)
17
18contains
19
20  subroutine changeF90Globals() bind(c, name='changeF90Globals')
21    implicit none
22    ! should make it 2
23    myF90Int = myF90Int + 1
24    ! should make it 3.0
25    f90_real = f90_real * 3.0;
26    ! should make it 4
27    c2 = c2 * 2;
28    ! should make it 6
29    c3 = c3 + 3;
30    ! should make it 2
31    c4 = c4 / 2;
32    ! should make it 2
33    A(5, 6, 3) = A(5, 6, 3) + 1
34    ! should make it 3
35    B(3, 2) = B(3, 2) + 1
36  end subroutine changeF90Globals
37
38end module bind_c_vars
39