Build failure: INT_MAX undeclared (first use in this function)

[hhugo]

$ ./configure 
binary ocaml: found in /xxx/4.08.0/bin
binary ocamlc: found in /xxx/4.08.0/bin
binary ocamldep: found in /xxx/4.08.0/bin
binary ocamlmklib: found in /xxx/4.08.0/bin
binary ocamldoc: found in /xxx/4.08.0/bin
binary ar: found in /usr/bin
binary perl: found in /usr/bin
binary gcc: found in /usr/lib64/ccache
binary ocamlopt: found in /xxx/4.08.0/bin
checking compilation with gcc -O3 -Wall -Wextra : working
include caml/mlvalues.h: found
library dynlink.cmxa: found
binary ocamlfind: found in /xxx/4.08.0/bin
OCaml's word size is 64
binary uname: found in /usr/bin
include gmp.h: found
library gmp: found
OCaml extended comparison supported
OCaml new hash functions available
OCaml supports -bin-annot to produce documentation

detected configuration:

  native-code:          yes
  dynamic linking:      yes
  asm path:             x86_64
  defines:              -DZ_OCAML_HASH -DZ_OCAML_COMPARE_EXT -DHAS_GMP -DZ_ELF -DZ_DOT_LABEL_PREFIX 
  libraries:             -lgmp
  C options:            -O3 -Wall -Wextra 
  asm options           
  installation path:    /xxx/4.08.0/lib
  installation method   findlib

configuration successful!
now type "make" to build
then type "make install" or "sudo make install" to install
$ make
project.mak:151: depend: No such file or directory
./z_pp.pl x86_64
Name "main::extra" used only once: possible typo at ./z_pp.pl line 29.
found assembly file caml_z_x86_64.S
  found abs
  found add
  found div
  found divexact
  found logand
  found lognot
  found logor
  found logxor
  found mul
  found neg
  found pred
  found rem
  found shift_left
  found shift_right
  found sub
  found succ
ocamldep -native  z.ml q.ml big_int_Z.ml z.mli q.mli big_int_Z.mli > depend
ocamlc -I +compiler-libs -bin-annot  -c z.mli
ocamlc -I +compiler-libs -bin-annot  -c z.ml
ocamlc -I +compiler-libs -bin-annot  -c q.mli
ocamlc -I +compiler-libs -bin-annot  -c q.ml
ocamlc -I +compiler-libs -bin-annot  -c big_int_Z.mli
ocamlc -I +compiler-libs -bin-annot  -c big_int_Z.ml
ocamlmklib -failsafe -o zarith z.cmo q.cmo big_int_Z.cmo -lgmp
gcc -DZ_OCAML_HASH -DZ_OCAML_COMPARE_EXT -DHAS_GMP -DZ_ELF -DZ_DOT_LABEL_PREFIX     -c -o caml_z_x86_64.o caml_z_x86_64.S
ocamlc -ccopt "-I/xxx/4.08.0/lib/ocaml  -DZ_OCAML_HASH -DZ_OCAML_COMPARE_EXT -DHAS_GMP -DZ_ELF -DZ_DOT_LABEL_PREFIX  -O3 -Wall -Wextra " -c caml_z.c
caml_z.c: In function ‘ml_z_mpz_set_z’:
caml_z.c:2573:31: error: ‘INT_MAX’ undeclared (first use in this function)
   if (size_op * Z_LIMB_BITS > INT_MAX)
                               ^
caml_z.c:2573:31: note: each undeclared identifier is reported only once for each function it appears in
caml_z.c: In function ‘ml_z_pow’:
caml_z.c:2739:16: error: ‘INT_MAX’ undeclared (first use in this function)
   if (ralloc > INT_MAX)
                ^
make: *** [caml_z.o] Error 2

[antoinemine]

Hi.
Would adding "#include <limits.h>" in caml_z.c solve your problem ?
See PR #51

[hhugo]

#51 solves the issue. Thx