#!/bin/sh

# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
# SPDX-FileCopyrightText: 2021-22 fosslinux <fosslinux@aussies.space>
#
# SPDX-License-Identifier: GPL-3.0-or-later

set -ex

mkdir build src
cd build

lexdir=/lex

# Extract
cp ${distfiles}/${pkg}.tar.bz2 ../src/
bunzip2 -f ../src/${pkg}.tar.bz2
tar xf ../src/${pkg}.tar ${pkg}/yacc ${pkg}/lex
rm -r ../src/
cd ${pkg}

# Prepare and patch
patch -Np0 -i ../../patches/yacc_remove_wchar.patch
patch -Np0 -i ../../patches/lex_remove_wchar.patch

# Build yacc
cd yacc
make -f Makefile.mk CC=tcc AR=tcc\ -ar CFLAGS=-DMAXPATHLEN=100\ -DEILSEQ=84\ -DMB_LEN_MAX=100 LDFLAGS=-lgetopt RANLIB=true

# Install yacc
install yacc ${bindir}
install -m 644 yaccpar /

# Build lex
cd ../lex
make -f Makefile.mk CC=tcc AR=tcc\ -ar CFLAGS=-DEILSEQ=84\ -DMB_LEN_MAX=100 LDFLAGS=-lgetopt RANLIB=true

# Install lex
mkdir ${lexdir}
install lex ${bindir}
install libl.a ${libdir}
install -m 644 ncform ${lexdir}

cd ../../..

# Checksums
if match x${UPDATE_CHECKSUMS} xTrue; then
    sha256sum -o ${pkg}.checksums \
        /usr/bin/yacc \
        /usr/bin/lex \
        /usr/lib/mes/libl.a \
        /yaccpar \
        /lex/ncform

    install ${pkg}.checksums ${srcdir}
else
    sha256sum -c ${pkg}.checksums
fi