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! { dg-do run }
! { dg-additional-sources bind_c_vars_driver.c }
module bind_c_vars
use, intrinsic :: iso_c_binding
implicit none
integer(c_int), bind(c) :: myF90Int
real(c_float), bind(c, name="myF90Real") :: f90_real
integer(c_int) :: c2
integer(c_int) :: c3
integer(c_int) :: c4
bind(c, name="myVariable") :: c2
bind(c) c3, c4
integer(c_int), bind(c, name="myF90Array3D") :: A(18, 3:7, 10)
integer(c_int), bind(c, name="myF90Array2D") :: B(3, 2)
contains
subroutine changeF90Globals() bind(c, name='changeF90Globals')
implicit none
! should make it 2
myF90Int = myF90Int + 1
! should make it 3.0
f90_real = f90_real * 3.0;
! should make it 4
c2 = c2 * 2;
! should make it 6
c3 = c3 + 3;
! should make it 2
c4 = c4 / 2;
! should make it 2
A(5, 6, 3) = A(5, 6, 3) + 1
! should make it 3
B(3, 2) = B(3, 2) + 1
end subroutine changeF90Globals
end module bind_c_vars
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