#!/bin/bash

cd $(dirname "$0")

if [ x"$CC" == x ]; then
   export CC=cc
fi

if command -v ccache > /dev/null; then
   export CC="ccache $CC"
fi

echo '=========================================='
echo '=== Building bootstrap compiler (cff0) ==='
echo '=========================================='
./build.sh || exit 1

export CFLAGS="-Wno-builtin-declaration-mismatch -Wno-discarded-qualifiers -g"

set -euo pipefail

echo "extern static host_target_triple const *const u8 = \"`clang -print-target-triple`\";" > ../src/host-target-triple.cff

echo '====================================================================='
echo '=== Building self-hosted compiler using bootstrap compiler (cff1) ==='
echo '====================================================================='
mkdir -p obj1/
for f in $(find ../src/ -name '*.cff'); do
   out=obj1/$(basename "$f").o
   (set -x ; ./cff0 "$f" | $CC $CFLAGS -xc - -c -o $out)
done
for f in $(find ../src/ -name '*.c'); do
   out=obj1/$(basename "$f").o
   (set -x ; $CC $CFLAGS "$f" -c -o $out)
done
:$(set -x ; $CC $CFLAGS -ocff1 obj1/*.o)

echo '======================================================================='
echo '=== Building self-hosted compiler using self-hosted compiler (cff2) ==='
echo '======================================================================='
OUT=bootstrap/cff2 CFFC=$(dirname "$0")/cff1 make -C ../

echo '==============================================================================='
echo '=== Building self-hosted compiler using self-hosted compiler squared (cffc) ==='
echo '==============================================================================='
CFFC=$(dirname "$0")/cff2 make -C ../ clean all