[Caml-list] fftw3 installation fails with opam 1.2.2 and ocaml 4.06.0

[Caml-list] fftw3 installation fails with opam 1.2.2 and ocaml 4.06.0

[Jean-Marc Alliot]

Well the subject says it all... Hope the following trace will help the 
developpers. After switching back to 4.05.0, installation runs without 
any problem.

Jean-Marc


#=== ERROR while installing fftw3.0.7.3 
=======================================#
# opam-version 1.2.2
# os           linux
# command      make
# path         /home/alliot/.opam/4.06.0/build/fftw3.0.7.3
# compiler     4.06.0
# exit-code    2
# env-file 
/home/alliot/.opam/4.06.0/build/fftw3.0.7.3/fftw3-13606-d2c37b.env
# stdout-file 
/home/alliot/.opam/4.06.0/build/fftw3.0.7.3/fftw3-13606-d2c37b.out
# stderr-file 
/home/alliot/.opam/4.06.0/build/fftw3.0.7.3/fftw3-13606-d2c37b.err
### stdout ###
# [...]
# /home/alliot/.opam/4.06.0/bin/ocamldep fftw3_geomC.ml > ._d/fftw3_geomC.d
# /home/alliot/.opam/4.06.0/bin/ocamldep fftw3_utils.ml > ._d/fftw3_utils.d
# /home/alliot/.opam/4.06.0/bin/ocamlc.opt -c -cc "cc" -ccopt "-fPIC -g 
-O2 -DFFTW3F_EXISTS -DHASH_EXISTS \
#             -DPIC   \
#                 -o fftw3_stubs.o " fftw3_stubs.c
# ../OCamlMakefile:1124 : la recette pour la cible « fftw3_stubs.o » a 
échouée
# make[2] : on quitte le répertoire 
« /home/alliot/.opam/4.06.0/build/fftw3.0.7.3/src »
# ../OCamlMakefile:784 : la recette pour la cible « byte-code-library » 
a échouée
# make[1] : on quitte le répertoire 
« /home/alliot/.opam/4.06.0/build/fftw3.0.7.3/src »
# Makefile:19 : la recette pour la cible « all » a échouée
### stderr ###
# [...]
# bigarray_stubs.c:21:16: error: static declaration of 
‘caml_ba_num_elts’ follows non-static declaration
#  static uintnat caml_ba_num_elts(struct caml_ba_array * b)
#                 ^~~~~~~~~~~~~~~~
# In file included from fftw3_stubs.c:32:0:
# /home/alliot/.opam/4.06.0/lib/ocaml/caml/bigarray.h:117:20: note: 
previous declaration of ‘caml_ba_num_elts’ was here
#  CAMLextern uintnat caml_ba_num_elts(struct caml_ba_array * b);
#                     ^~~~~~~~~~~~~~~~
# make[2]: *** [fftw3_stubs.o] Erreur 2
# make[1]: *** [byte-code-library] Erreur 2
# make: *** [all] Erreur 2

Re: [Caml-list] fftw3 installation fails with opam 1.2.2 and ocaml 4.06.0

[Gabriel Scherer]

Hi Jean-Marc,

I think that for this kind of issues, opening a ticket on the
bug-tracker of the project is more appropriate than a thread on
caml-list.
I opened an issue there, where I propose that we continue the discussion:

  https://github.com/FFTW/fftw3/issues/115

Cheers

On Fri, Nov 17, 2017 at 10:20 AM, Jean-Marc Alliot
<jean-marc.alliot@irit.fr> wrote:
> Well the subject says it all... Hope the following trace will help the
> developpers. After switching back to 4.05.0, installation runs without any
> problem.
>
> Jean-Marc
>
>
> #=== ERROR while installing fftw3.0.7.3
> =======================================#
> # opam-version 1.2.2
> # os           linux
> # command      make
> # path         /home/alliot/.opam/4.06.0/build/fftw3.0.7.3
> # compiler     4.06.0
> # exit-code    2
> # env-file
> /home/alliot/.opam/4.06.0/build/fftw3.0.7.3/fftw3-13606-d2c37b.env
> # stdout-file
> /home/alliot/.opam/4.06.0/build/fftw3.0.7.3/fftw3-13606-d2c37b.out
> # stderr-file
> /home/alliot/.opam/4.06.0/build/fftw3.0.7.3/fftw3-13606-d2c37b.err
> ### stdout ###
> # [...]
> # /home/alliot/.opam/4.06.0/bin/ocamldep fftw3_geomC.ml > ._d/fftw3_geomC.d
> # /home/alliot/.opam/4.06.0/bin/ocamldep fftw3_utils.ml > ._d/fftw3_utils.d
> # /home/alliot/.opam/4.06.0/bin/ocamlc.opt -c -cc "cc" -ccopt "-fPIC -g -O2
> -DFFTW3F_EXISTS -DHASH_EXISTS \
> #             -DPIC   \
> #                 -o fftw3_stubs.o " fftw3_stubs.c
> # ../OCamlMakefile:1124 : la recette pour la cible « fftw3_stubs.o » a
> échouée
> # make[2] : on quitte le répertoire «
> /home/alliot/.opam/4.06.0/build/fftw3.0.7.3/src »
> # ../OCamlMakefile:784 : la recette pour la cible « byte-code-library » a
> échouée
> # make[1] : on quitte le répertoire «
> /home/alliot/.opam/4.06.0/build/fftw3.0.7.3/src »
> # Makefile:19 : la recette pour la cible « all » a échouée
> ### stderr ###
> # [...]
> # bigarray_stubs.c:21:16: error: static declaration of ‘caml_ba_num_elts’
> follows non-static declaration
> #  static uintnat caml_ba_num_elts(struct caml_ba_array * b)
> #                 ^~~~~~~~~~~~~~~~
> # In file included from fftw3_stubs.c:32:0:
> # /home/alliot/.opam/4.06.0/lib/ocaml/caml/bigarray.h:117:20: note: previous
> declaration of ‘caml_ba_num_elts’ was here
> #  CAMLextern uintnat caml_ba_num_elts(struct caml_ba_array * b);
> #                     ^~~~~~~~~~~~~~~~
> # make[2]: *** [fftw3_stubs.o] Erreur 2
> # make[1]: *** [byte-code-library] Erreur 2
> # make: *** [all] Erreur 2
>
>
> --
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