#!/bin/bash

# Slackware build script for tiny c compiler

# Copyright (c) 2010-2018  Markus Reichelt, Aachen, DE
# Copyright (c) 2023-2025  B. Watson
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
#   WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#   MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
#   IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
#   USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
#   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
#   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
#   OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
#   SUCH DAMAGE.
#
# Markus Reichelt, slackbuilds@mareichelt.de, 0xCCEEF115
# in memoriam of Georg Ohler
# Now maintained by B. Watson (urchlay@slackware.uk).

# 20251218 bkw:
# - update for v0.9.28rc+20251217_34eed88a.
# - add -fpermissive to SLKCFLAGS, for -current (reported by lockywolf).
# - "make test" now optional (and results go in doc dir).

# 20230815 bkw:
# - take over maintenance.
# - update for 0.9.27+20230811_d1c1077.
# - make CROSS=yes the default.
# - add TODO and USES to the doc dir.
# - mention github repo in README.

# 20230627 bkw: Modified by SlackBuilds.org, BUILD=2:
# - add doinst.sh and douninst.sh to manage /usr/info/dir.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=tcc
VERSION=${VERSION:-0.9.28rc+20251217_34eed88a}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.xz
cd $PRGNAM-$VERSION
chown -R root:root .
find . ! -type l    -a \
  \(     -perm /111 -a ! -perm 755 -a -exec chmod -f 755 {} + \) -o \
  \(   ! -perm /111 -a ! -perm 644 -a -exec chmod -f 644 {} + \)

[ "${CROSS:-yes}" = "yes" ] && CROSSOPT="--enable-cross"

DOC=/usr/doc/$PRGNAM-$VERSION
PKGDOC=$PKG/$DOC
mkdir -p $PKGDOC

# 20251218 bkw: only add -fpermissive if gcc supports it for C. This
# prevents Slackware 15.0 from spitting out a bunch of these:
# cc1: warning: command-line option '-fpermissive' is valid for C++/ObjC++ but not for C
# ...while allowing -current builds to succeed.
if ${CC:-gcc} --help=c 2>/dev/null | grep -q -- -fpermissive; then
  SLKCFLAGS+=" -fpermissive"
fi

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --sharedir=/usr \
  --libdir=/usr/lib$LIBDIRSUFFIX \
  --docdir=$DOC \
  $CROSSOPT

make
[ "${TEST:-no}" = "yes" ] && make -j1 test | tee $PKGDOC/make_test.txt
make install DESTDIR=$PKG

strip $PKG/usr/bin/*
gzip -9 $PKG/usr/man/man1/*
gzip -9 $PKG/usr/info/*.info

cp -a README* Changelog* COPYING RELICENSING TODO USES examples/ $PKGDOC
cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh
cat $CWD/doinst.sh > $PKG/install/douninst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE