Update to dune 2

Closes #1034

Author: shonfeder

dune-project

@@ -1,4 +1,4 @@
-(lang dune 1.12)
+(lang dune 2.0)
 
 (name lwt)
 

lwt.opam

@@ -20,7 +20,7 @@ homepage: "https://github.com/ocsigen/lwt"
 doc: "https://ocsigen.org/lwt"
 bug-reports: "https://github.com/ocsigen/lwt/issues"
 depends: [
-  "dune" {>= "1.12"}
+  "dune" {>= "2.0"}
   "ocaml" {>= "4.08"}
   "cppo" {build & >= "1.1.0"}
   "ocamlfind" {dev & >= "1.7.3-1"}

lwt_ppx.opam

@@ -11,7 +11,7 @@ homepage: "https://github.com/ocsigen/lwt"
 doc: "https://ocsigen.org/lwt"
 bug-reports: "https://github.com/ocsigen/lwt/issues"
 depends: [
-  "dune" {>= "1.12"}
+  "dune" {>= "2.0"}
   "ocaml" {>= "4.08"}
   "ppxlib" {>= "0.16.0"}
   "lwt"

lwt_ppx_let.opam

@@ -11,7 +11,7 @@ homepage: "https://github.com/ocsigen/lwt"
 doc: "https://ocsigen.org/lwt"
 bug-reports: "https://github.com/ocsigen/lwt/issues"
 depends: [
-  "dune" {>= "1.12"}
+  "dune" {>= "2.0"}
   "ocaml" {>= "4.08"}
   "ppx_let" {with-test}
   "lwt"

lwt_react.opam

@@ -10,7 +10,7 @@ homepage: "https://github.com/ocsigen/lwt"
 doc: "https://ocsigen.org/lwt"
 bug-reports: "https://github.com/ocsigen/lwt/issues"
 depends: [
-  "dune" {>= "1.12"}
+  "dune" {>= "2.0"}
   "ocaml" {>= "4.08"}
   "cppo" {build & >= "1.1.0"}
   "lwt" {>= "3.0.0"}

src/unix/dune

@@ -51,139 +51,139 @@ let () = Jbuild_plugin.V1.send @@ {|
  (wrapped false)
  (libraries bigarray lwt ocplib-endian.bigstring threads unix)
  |} ^ preprocess ^ {|
- (c_names
-  lwt_unix_stubs
-  lwt_libev_stubs
-  lwt_process_stubs
-  unix_readable
-  unix_writable
-  unix_madvise
-  unix_get_page_size
-  windows_get_page_size
-  unix_mincore
-  unix_read
-  unix_pread
-  windows_read
-  windows_pread
-  unix_bytes_read
-  windows_bytes_read
-  unix_write
-  unix_pwrite
-  windows_write
-  windows_pwrite
-  unix_bytes_write
-  windows_bytes_write
-  unix_readv_writev_utils
-  unix_iov_max
-  unix_writev
-  unix_writev_job
-  unix_readv
-  unix_readv_job
-  unix_send
-  unix_bytes_send
-  unix_recv
-  unix_bytes_recv
-  unix_recvfrom
-  unix_bytes_recvfrom
-  unix_sendto
-  unix_sendto_byte
-  unix_bytes_sendto
-  unix_bytes_sendto_byte
-  unix_recv_send_utils
-  unix_recv_msg
-  unix_send_msg
-  unix_send_msg_byte
-  unix_get_credentials
-  unix_mcast_utils
-  unix_mcast_set_loop
-  unix_mcast_set_ttl
-  unix_mcast_modify_membership
-  unix_wait4
-  unix_get_cpu
-  unix_get_affinity
-  unix_set_affinity
-  unix_guess_blocking_job
-  unix_wait_mincore_job
-  unix_open_job
-  unix_read_job
-  unix_pread_job
-  windows_read_job
-  windows_pread_job
-  unix_bytes_read_job
-  windows_bytes_read_job
-  unix_write_job
-  windows_write_job
-  unix_pwrite_job
-  windows_pwrite_job
-  unix_bytes_write_job
-  windows_bytes_write_job
-  unix_stat_job_utils
-  unix_stat_job
-  unix_stat_64_job
-  unix_lstat_job
-  unix_lstat_64_job
-  unix_fstat_job
-  unix_fstat_64_job
-  unix_utimes_job
-  unix_isatty_job
-  unix_opendir_job
-  unix_closedir_job
-  unix_valid_dir
-  unix_invalidate_dir
-  unix_rewinddir_job
-  unix_readdir_job
-  unix_readdir_n_job
-  unix_readlink_job
-  unix_lockf_job
-  unix_getlogin_job
-  unix_get_pw_gr_nam_id_job
-  unix_get_network_information_utils
-  unix_gethostname_job
-  unix_gethostbyname_job
-  unix_gethostbyaddr_job
-  unix_getprotoby_getservby_job
-  unix_getaddrinfo_job
-  unix_getnameinfo_job
-  unix_bind_job
-  unix_getcwd_job
-  unix_termios_conversion
-  unix_tcgetattr_job
-  unix_tcsetattr_job
-  windows_is_socket
-  windows_fsync_job
-  windows_system_job
-  windows_not_available
-  unix_not_available
-  unix_access_job
-  unix_chdir_job
-  unix_chmod_job
-  unix_chown_job
-  unix_chroot_job
-  unix_close_job
-  unix_fchmod_job
-  unix_fchown_job
-  unix_fdatasync_job
-  unix_fsync_job
-  unix_ftruncate_job
-  unix_link_job
-  unix_lseek_job
-  unix_mkdir_job
-  unix_mkfifo_job
-  unix_rename_job
-  unix_rmdir_job
-  unix_symlink_job
-  unix_tcdrain_job
-  unix_tcflow_job
-  unix_tcflush_job
-  unix_tcsendbreak_job
-  unix_truncate_job
-  unix_unlink_job
-  unix_somaxconn
-  windows_somaxconn
-  unix_accept4
- )
  (install_c_headers lwt_features lwt_config lwt_unix)
- (c_flags -I. (:include unix_c_flags.sexp))
+ (foreign_stubs
+   (language c)
+   (names
+    lwt_unix_stubs
+    lwt_libev_stubs
+    lwt_process_stubs
+    unix_readable
+    unix_writable
+    unix_madvise
+    unix_get_page_size
+    windows_get_page_size
+    unix_mincore
+    unix_read
+    unix_pread
+    windows_read
+    windows_pread
+    unix_bytes_read
+    windows_bytes_read
+    unix_write
+    unix_pwrite
+    windows_write
+    windows_pwrite
+    unix_bytes_write
+    windows_bytes_write
+    unix_readv_writev_utils
+    unix_iov_max
+    unix_writev
+    unix_writev_job
+    unix_readv
+    unix_readv_job
+    unix_send
+    unix_bytes_send
+    unix_recv
+    unix_bytes_recv
+    unix_recvfrom
+    unix_bytes_recvfrom
+    unix_sendto
+    unix_sendto_byte
+    unix_bytes_sendto
+    unix_bytes_sendto_byte
+    unix_recv_send_utils
+    unix_recv_msg
+    unix_send_msg
+    unix_send_msg_byte
+    unix_get_credentials
+    unix_mcast_utils
+    unix_mcast_set_loop
+    unix_mcast_set_ttl
+    unix_mcast_modify_membership
+    unix_wait4
+    unix_get_cpu
+    unix_get_affinity
+    unix_set_affinity
+    unix_guess_blocking_job
+    unix_wait_mincore_job
+    unix_open_job
+    unix_read_job
+    unix_pread_job
+    windows_read_job
+    windows_pread_job
+    unix_bytes_read_job
+    windows_bytes_read_job
+    unix_write_job
+    windows_write_job
+    unix_pwrite_job
+    windows_pwrite_job
+    unix_bytes_write_job
+    windows_bytes_write_job
+    unix_stat_job_utils
+    unix_stat_job
+    unix_stat_64_job
+    unix_lstat_job
+    unix_lstat_64_job
+    unix_fstat_job
+    unix_fstat_64_job
+    unix_utimes_job
+    unix_isatty_job
+    unix_opendir_job
+    unix_closedir_job
+    unix_valid_dir
+    unix_invalidate_dir
+    unix_rewinddir_job
+    unix_readdir_job
+    unix_readdir_n_job
+    unix_readlink_job
+    unix_lockf_job
+    unix_getlogin_job
+    unix_get_pw_gr_nam_id_job
+    unix_get_network_information_utils
+    unix_gethostname_job
+    unix_gethostbyname_job
+    unix_gethostbyaddr_job
+    unix_getprotoby_getservby_job
+    unix_getaddrinfo_job
+    unix_getnameinfo_job
+    unix_bind_job
+    unix_getcwd_job
+    unix_termios_conversion
+    unix_tcgetattr_job
+    unix_tcsetattr_job
+    windows_is_socket
+    windows_fsync_job
+    windows_system_job
+    windows_not_available
+    unix_not_available
+    unix_access_job
+    unix_chdir_job
+    unix_chmod_job
+    unix_chown_job
+    unix_chroot_job
+    unix_close_job
+    unix_fchmod_job
+    unix_fchown_job
+    unix_fdatasync_job
+    unix_fsync_job
+    unix_ftruncate_job
+    unix_link_job
+    unix_lseek_job
+    unix_mkdir_job
+    unix_mkfifo_job
+    unix_rename_job
+    unix_rmdir_job
+    unix_symlink_job
+    unix_tcdrain_job
+    unix_tcflow_job
+    unix_tcflush_job
+    unix_tcsendbreak_job
+    unix_truncate_job
+    unix_unlink_job
+    unix_somaxconn
+    windows_somaxconn
+    unix_accept4)
+   (flags (:include unix_c_flags.sexp)))
  (c_library_flags (:include unix_c_library_flags.sexp)))
-
 |}

test/core/dune

@@ -4,7 +4,7 @@
  (preprocess (future_syntax))
  (flags (:standard -w +A-40-42)))
 
-(alias
- (name runtest)
+(rule
+ (alias runtest)
  (package lwt)
  (action (run %{exe:main.exe})))

test/ppx/dune

@@ -4,7 +4,7 @@
  (preprocess (pps lwt_ppx))
  (flags (:standard -warn-error -22)))
 
-(alias
- (name runtest)
+(rule
+ (alias runtest)
  (package lwt_ppx)
  (action (run %{exe:main.exe})))

test/ppx_let/dune

@@ -3,7 +3,7 @@
  (preprocess (pps ppx_let))
  (libraries lwt lwt.unix))
 
-(alias
- (name runtest)
+(rule
+ (alias runtest)
  (package lwt_ppx_let)
  (action (run %{exe:test.exe})))

test/react/dune

@@ -2,7 +2,7 @@
  (name main)
  (libraries lwt_react lwttester))
 
-(alias
- (name runtest)
+(rule
+ (alias runtest)
  (package lwt_react)
  (action (run %{exe:main.exe})))