Compilation fails under Cygwin #27
Description
#=== ERROR while compiling spawn.v0.15.0 ======================================#
# context 2.0.3 | cygwin/x86_64 | ocaml-base-compiler.4.13.1 | https://opam.ocaml.org#80d7a1e3
# path ~/.opam/4.13.1/.opam-switch/build/spawn.v0.15.0
# command ~/.opam/4.13.1/bin/dune build -p spawn -j 7 @install
# exit-code 1
# env-file ~/.opam/log/spawn-11344-e22673.env
# output-file ~/.opam/log/spawn-11344-e22673.out
### output ###
# gcc src/spawn_stubs.o (exit 1)
# (cd _build/default/src && /bin/gcc -O2 -fno-strict-aliasing -fwrapv -pthread -D_FILE_OFFSET_BITS=64 -U_WIN32 -O2 -fno-strict-aliasing -fwrapv -pthread -g -I /home/mobaxterm/.opam/4.13.1/lib/ocaml -I /home/mobaxterm/.opam/4.13.1/lib/ocaml/threads -o spawn_stubs.o -c spawn_stubs.c)
# spawn_stubs.c:32:10: fatal error: sys/syscall.h: No such file or directory
# #include <sys/syscall.h>
# ^~~~~~~~~~~~~~~
# compilation terminated.
I have not tried to dig into it in any way (and in particular, not sure where the -U_WIN32 is coming from)... No clue whether this is even intended/supposed to work in the first place.