1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
! { dg-do compile }
module x
use, intrinsic :: iso_c_binding, only: c_double
implicit none
common /mycom/ r, s ! { dg-error "does not match" }
real(c_double) :: r
real(c_double) :: s
bind(c, name="my_common_block") :: /mycom/
end module x
module y
use, intrinsic :: iso_c_binding, only: c_double, c_int
implicit none
common /mycom/ r, s
real(c_double) :: r
real(c_double) :: s
bind(c, name="my_common_block") :: /mycom/
common /com2/ i ! { dg-error "does not match" }
integer(c_int) :: i
bind(c, name="") /com2/
end module y
module z
use, intrinsic :: iso_c_binding, only: c_double, c_int
implicit none
common /mycom/ r, s ! { dg-error "does not match" }
real(c_double) :: r
real(c_double) :: s
! this next line is an error; if a common block is bind(c), the binding label
! for it must match across all scoping units that declare it.
bind(c, name="my_common_block_2") :: /mycom/
common /com2/ i ! { dg-error "does not match" }
integer(c_int) :: i
bind(c, name="mycom2") /com2/
end module z
! { dg-final { cleanup-modules "x y" } }
|