make[2]: Entering directory '/tmp/buildd/libre-ocaml-1.2.2'
ocamlopt.opt -o setup.bin setup.ml || ocamlopt -o setup.bin setup.ml || ocamlc -o setup.bin setup.ml
rm -f setup.cmx setup.cmi setup.o setup.cmo
./setup.bin -configure

Configuration:
ocamlfind: ........................................... /usr/bin/ocamlfind
ocamlc: .............................................. /usr/bin/ocamlc.opt
ocamlopt: ............................................ /usr/bin/ocamlopt.opt
ocamlbuild: .......................................... /usr/bin/ocamlbuild
Package name: ........................................ re
Package version: ..................................... 1.2.1
os_type: ............................................. Unix
system: .............................................. linux
architecture: ........................................ amd64
ccomp_type: .......................................... cc
ocaml_version: ....................................... 4.01.0
standard_library_default: ............................ /usr/lib/ocaml
standard_library: .................................... /usr/lib/ocaml
standard_runtime: .................................... /usr/bin/ocamlrun
bytecomp_c_compiler: ................................. gcc -fno-defer-pop -Wall -D_FILE_OFFSET_BITS=64 -D_REENTRANT -fPIC
native_c_compiler: ................................... gcc -Wall -D_FILE_OFFSET_BITS=64 -D_REENTRANT
model: ............................................... default
ext_obj: ............................................. .o
ext_asm: ............................................. .s
ext_lib: ............................................. .a
ext_dll: ............................................. .so
default_executable_name: ............................. a.out
systhread_supported: ................................. true
Install architecture-independent files dir: .......... /usr/local
Install architecture-dependent files in dir: ......... $prefix
User executables: .................................... $exec_prefix/bin
System admin executables: ............................ $exec_prefix/sbin
Program executables: ................................. $exec_prefix/libexec
Read-only single-machine data: ....................... $prefix/etc
Modifiable architecture-independent data: ............ $prefix/com
Modifiable single-machine data: ...................... $prefix/var
Object code libraries: ............................... $exec_prefix/lib
Read-only arch-independent data root: ................ $prefix/share
Read-only architecture-independent data: ............. $datarootdir
Info documentation: .................................. $datarootdir/info
Locale-dependent data: ............................... $datarootdir/locale
Man documentation: ................................... $datarootdir/man
Documentation root: .................................. $datarootdir/doc/$pkg_name
HTML documentation: .................................. $docdir
DVI documentation: ................................... $docdir
PDF documentation: ................................... $docdir
PS documentation: .................................... $docdir
Prepend a path when installing package: .............. /tmp/buildd/libre-ocaml-1.2.2/debian/tmp
findlib_version: ..................................... 1.5.5
is_native: ........................................... true
suffix_program: ......................................
Remove a file.: ...................................... rm -f
Remove a directory.: ................................. rm -rf
Turn ocaml debug flag on: ............................ true
Turn ocaml profile flag on: .......................... false
Compiler support generation of .cmxs.: ............... false
OCamlbuild additional flags: .........................
Create documentations: ............................... true
Compile tests executable and library and run them: ... false
ocamldoc: ............................................ /usr/bin/ocamldoc

./setup.bin -build
Finished, 1 target (0 cached) in 00:00:00.
+ /usr/bin/ocamlfind ocamlc -where > /tmp/buildd/libre-ocaml-1.2.2/_build/ocamlc.where
ocamlfind: Package `threads' not found
Command exited with code 2.
Compilation unsuccessful after building 1 target (0 cached) in 00:00:00.
E: Failure("Command ''/usr/bin/ocamlbuild' lib/re.cma lib/re.cmxa lib/re.a lib/re_emacs.cma lib/re_emacs.cmxa lib/re_emacs.a lib/re_str.cma lib/re_str.cmxa lib/re_str.a lib/re_posix.cma lib/re_posix.cmxa lib/re_posix.a lib/re_glob.cma lib/re_glob.cmxa lib/re_glob.a lib/re_perl.cma lib/re_perl.cmxa lib/re_perl.a lib/re_pcre.cma lib/re_pcre.cmxa lib/re_pcre.a -tag debug' terminated with error code 10")
Makefile:14: recipe for target 'build' failed
make[2]: *** [build] Error 1
make[2]: Leaving directory '/tmp/buildd/libre-ocaml-1.2.2'
debian/rules:18: recipe for target 'override_dh_auto_build' failed
make[1]: *** [override_dh_auto_build] Error 2
make[1]: Leaving directory '/tmp/buildd/libre-ocaml-1.2.2'
debian/rules:11: recipe for target 'build' failed
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
E: Failed autobuilding of package
W: no hooks of type C found -- ignoring
I: unmounting /home/vagrant/buildroot/SRPMS filesystem
I: unmounting /home/vagrant/buildroot/RPMS filesystem
I: unmounting dev/pts filesystem
I: unmounting run/shm filesystem
I: unmounting proc filesystem
 -> Cleaning COW directory
  forking: rm -rf /var/cache/pbuilder/build//cow.8415
/usr/share/planex/Makefile.rules:141: recipe for target '_build/RPMS/libre-ocaml-dev_1.2.2-1_amd64.deb' failed
make: *** [_build/RPMS/libre-ocaml-dev_1.2.2-1_amd64.deb] Error 1
vagrant@jessie:~/buildroot$ sudo poweroff