hcarty/proj4ml

PROJ.4 bindings for OCaml

proj4ml - OCaml bindings to the PROJ.4 library

PROJ.4 is a library that converts between geographic coordinate systems. The API currently closely follows the C API.

PROJ.4 and these OCaml bindings are distributed under the MIT license.

proj4ml's Issues

opam build problem on MacOS / Xcode

On MacOS with Xcode 10.2 and apparently the gcc extension for labelling struct fields is generating a warning/error.

% opam install proj4
The following actions will be performed:

• install proj4 0.9.2

<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[proj4.0.9.2] found in cache

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[ERROR] The compilation of proj4 failed at "/Users/mhayden/.opam/opam-init/hooks/sandbox.sh build ocaml setup.ml -build".

#=== ERROR while compiling proj4.0.9.2 ========================================#

context 2.0.3 | macos/x86_64 | ocaml-variants.4.07.1+macos10.11+flambda+no-flat-float-array | https://opam.ocaml.org/#c261c4ee

path ~/.opam/macos.dev/.opam-switch/build/proj4.0.9.2

command ~/.opam/opam-init/hooks/sandbox.sh build ocaml setup.ml -build

exit-code 1

env-file ~/.opam/log/proj4-31773-05296d.env

output-file ~/.opam/log/proj4-31773-05296d.out

output

src/proj4_stubs.c:42:5: warning: use of GNU old-style field designator extension [-Wgnu-designator]

[...]

src/proj4_stubs.c:43:5: warning: use of GNU old-style field designator extension [-Wgnu-designator]

serialize: custom_serialize_default,

^~~~~~~~~~

.serialize =

src/proj4_stubs.c:44:5: warning: use of GNU old-style field designator extension [-Wgnu-designator]

deserialize: custom_deserialize_default

^~~~~~~~~~~~

.deserialize =

6 warnings and 1 error generated.

Command exited with code 2.

E: Failure("Command ''/Users/mhayden/.opam/macos.dev/bin/ocamlbuild' src/libproj4_stubs.a src/dllproj4_stubs.so src/proj4.cma src/proj4.cmxa src/proj4.a src/proj4.cmxs -tag debug' terminated with error code 10")

<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build proj4 0.9.2
+-

• No changes have been performed

Run eval opam env to update the current shell environment

Add is_valid to check if a projection definition string is valid (string -> bool)

ocaml 4.06.0+beta2

The setup.ml build script seems to not be updated for the new default safe strings.

best, Mark

=-=- Gathering sources =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= ð
[proj4] Archive in cache

=-=- Processing actions -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= ð
[ERROR] The compilation of proj4 failed at "ocaml setup.ml -configure --prefix /Users/mhayden/.opam/macos.dev".
Processing 1/1: [proj4: ocamlfind remove]
#=== ERROR while installing proj4.0.9.1 =======================================#

opam-version 1.2.2

os darwin

command ocaml setup.ml -configure --prefix /Users/mhayden/.opam/macos.dev

path /Users/mhayden/.opam/macos.dev/build/proj4.0.9.1

compiler 4.06.0+beta2+flambda

exit-code 2

env-file /Users/mhayden/.opam/macos.dev/build/proj4.0.9.1/proj4-16733-1872ec.env

stdout-file /Users/mhayden/.opam/macos.dev/build/proj4.0.9.1/proj4-16733-1872ec.out

stderr-file /Users/mhayden/.opam/macos.dev/build/proj4.0.9.1/proj4-16733-1872ec.err

stderr

File "./setup.ml", line 234, characters 8-26:

Warning 3: deprecated: String.set

Use Bytes.set instead.

File "./setup.ml", line 234, characters 8-11:

Error: This expression has type string but an expression was expected of type

bytes

=-=- Error report -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= ð
The following actions failed
â install proj4 0.9.1
No changes have been performed

=-=- proj4.0.9.1 troobleshooting =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= ð
=> This package relies on external (system) dependencies that may be missing. `opam depext proj4.0.9.1' may help you find the correct
installation for your system.

opam build problem on MacOS / Xcode

Issue #5 (closed) of the same name has been fixed and incorporated into github repository, but is not yet released in opam. I posted a note sometime back on the closed issue. Could you please release the changes on opam?

thanks!

`The following actions will be performed:

• install proj4 0.9.2

<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[proj4.0.9.2] found in cache

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[ERROR] The compilation of proj4 failed at
"/Users/mhayden/.opam/opam-init/hooks/sandbox.sh build ocaml setup.ml
-build".

#=== ERROR while compiling proj4.0.9.2 ========================================#

context 2.0.5 | macos/x86_64 | ocaml-variants.4.08.0+flambda+no-flat-float-array | https://opam.ocaml.org/#513397db

path ~/.opam/macos.dev2/.opam-switch/build/proj4.0.9.2

command ~/.opam/opam-init/hooks/sandbox.sh build ocaml setup.ml -build

exit-code 1

env-file ~/.opam/log/proj4-52462-05296d.env

output-file ~/.opam/log/proj4-52462-05296d.out

output

src/proj4_stubs.c:42:5: warning: use of GNU old-style field designator extension [-Wgnu-designator]

[...]

src/proj4_stubs.c:43:5: warning: use of GNU old-style field designator extension [-Wgnu-designator]

serialize: custom_serialize_default,

^~~~~~~~~~

.serialize =

src/proj4_stubs.c:44:5: warning: use of GNU old-style field designator extension [-Wgnu-designator]

deserialize: custom_deserialize_default

^~~~~~~~~~~~

.deserialize =

6 warnings and 1 error generated.

Command exited with code 2.

E: Failure("Command ''/Users/mhayden/.opam/macos.dev2/bin/ocamlbuild' src/libproj4_stubs.a src/dllproj4_stubs.so src/proj4.cma src/proj4.cmxa src/proj4.a src/proj4.cmxs -tag debug' terminated with error code 10")

<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build proj4 0.9.2
+-

• No changes have been performed
  sakhalin% `

Add function to transform a single location (t -> t -> float -> float -> float * float)