#!/usr/bin/env bash
# Step 5b on its own: the SIGSEGV question, embedded and standalone side by
# side. The standalone build is the control -- if OCaml behaves the same in a
# plain ocamlopt executable, then embedding changed nothing about signals.
set -u
here=$(cd "$(dirname "$0")" && pwd)
cd "$here" || exit 1
OCAMLLIB=$(ocamlopt -where)
SYSLIBS="-lm -lpthread -ldl -lzstd"

echo "=== 5b-embedded: caml_startup called from a C main() ==="
ocamlfind ocamlopt -package unix -linkpkg -output-complete-obj \
  -o embed5b.o sig_ml.ml || exit 1
clang -I"$OCAMLLIB" harness5b.c embed5b.o -o spike5b $SYSLIBS || exit 1
./spike5b; echo "exit: $?"

echo
echo "=== 5b-standalone: the same OCaml, as a plain ocamlopt executable ==="
# The control. Same stubs, but OCaml owns main().
clang -c -I"$OCAMLLIB" -DSPIKE_NO_MAIN harness5b.c -o stubs5b.o || exit 1
ocamlfind ocamlopt -package unix -linkpkg -o spike5b_std sig_ml.ml stubs5b.o \
  -cclib -lzstd || exit 1
./spike5b_std; echo "exit: $?"