Gcc error whitch opam switch create 4.00.0

[bentxt]

Goal

Installing ocaml 4.00.0 with

opam switch create 4.00.0

Error

 fix_code.c: In function 'caml_load_code':
fix_code.c:59:7: error: implicit declaration of function 'read' [-Wimplicit-function-declaration]    
59 |   if (read(fd, (char *) caml_start_code, caml_code_size) != caml_code_size)
      |       ^~~~

Configuration

$ ocaml --version
The OCaml toplevel, version 5.3.0

$ opam --version
2.1.6

$ gcc --version
gcc (Homebrew GCC 14.2.0_1) 14.2.0


$ opam config report
# opam config report
# opam-version         2.1.6
# self-upgrade         no
# system               arch=x86_64 os=macos os-distribution=homebrew os-version=14.6.1
# solver               builtin-mccs+glpk
# install-criteria     -removed,-count[avoid-version,changed],-count[version-lag,request],-count[version-lag,changed],-count[missing-depexts,changed],-changed
# upgrade-criteria     -removed,-count[avoid-version,changed],-count[version-lag,solution],-count[missing-depexts,changed],-new
# jobs                 15
# repositories         1 (http) (default repo at 67e940587b8aca227f511e1943bcd31eabe6b1db)
# pinned               2 (rsync)
# current-switch       5.2.0
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /Users/ben/.opam/5.2.0/lib/ocaml/stublibs:/Users/ben/.opam/5.2.0/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.2.0

Error log

[...]
⬇ retrieved ocaml-base-compiler.4.00.0  (cached)
[ERROR] The compilation of ocaml-base-compiler.4.00.0 failed at "make world opt opt.opt".

#=== ERROR while compiling ocaml-base-compiler.4.00.0 =========================#
# context     2.1.6 | macos/x86_64 |  | https://opam.ocaml.org#67e940587b8aca227f511e1943bcd31eabe6b1db
# path        ~/.opam/4.00.0/.opam-switch/build/ocaml-base-compiler.4.00.0
# command     ~/.opam/opam-init/hooks/sandbox.sh build make world opt opt.opt
# exit-code   2
# env-file    ~/.opam/log/ocaml-base-compiler-75676-10e4bd.env
# output-file ~/.opam/log/ocaml-base-compiler-75676-10e4bd.out
### output ###
# sed -n -e '/^  /s/ \([A-Z]\)/ \&\&lbl_\1/gp' \
# [...]
# gcc -DCAML_NAME_SPACE -O -fcommon -fno-defer-pop -Wall -D_FILE_OFFSET_BITS=64    -c -o interp.o interp.c
# gcc -DCAML_NAME_SPACE -O -fcommon -fno-defer-pop -Wall -D_FILE_OFFSET_BITS=64    -c -o misc.o misc.c
# gcc -DCAML_NAME_SPACE -O -fcommon -fno-defer-pop -Wall -D_FILE_OFFSET_BITS=64    -c -o stacks.o stacks.c
# gcc -DCAML_NAME_SPACE -O -fcommon -fno-defer-pop -Wall -D_FILE_OFFSET_BITS=64    -c -o fix_code.o fix_code.c
# fix_code.c: In function 'caml_load_code':
# fix_code.c:59:7: error: implicit declaration of function 'read' [-Wimplicit-function-declaration]
#    59 |   if (read(fd, (char *) caml_start_code, caml_code_size) != caml_code_size)
#       |       ^~~~
# make[2]: *** [fix_code.o] Error 1
# make[1]: *** [coldstart] Error 2
# make: *** [world] Error 2



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><>  🐫
┌─ The following actions failed
│ λ build ocaml-base-compiler 4.00.0
└─
┌─ The following changes have been performed (the rest was aborted)
│ ∗ install base-bigarray base
│ ∗ install base-threads  base
│ ∗ install base-unix     base
└─
# Run eval (opam env --switch=4.00.0) to update the current shell environment
Switch initialisation failed: clean up? ('n' will leave the switch partially installed) [Y/n]