#!/bin/bash
# GTKAda package build script (written by zhu.qunying@gmail.com)
# Copyright 2012-2025, Zhu Qun-Ying
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.

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

PRGNAM=gtkada
VERSION=${VERSION:-25.0.1}
BUILD=${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
  export ARCH
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 [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
  LIB_ARCH=i386
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
  LIB_ARCH=i386
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
  LIB_ARCH=amd64
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
  LIB_ARCH=$ARCH
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT

cd $TMP
rm -rf $PRGNAM-$VERSION
mkdir $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz

cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \; || exit 1

sed -i -e "s/18.0w/$VERSION/" configure

sed -i 's/PRJDIR=lib\/gnat/PRJDIR=share\/gpr/' Makefile.in

#autoreconf -vis
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
    --prefix=/usr \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --includedir=/usr/include \
    --infodir=/usr/info \
    --mandir=/usr/man \
    --enable-shared \
    --with-GL=no \
    --build=$ARCH-slackware-linux

if [ "$ARCH" = "x86_64" ]; then
    sed -i -e "s/lib\/gnat/share\/gpr/g" \
	-e "s/prefix}\/lib/prefix}\/lib$LIBDIRSUFFIX/" \
	-e "s/lib64\/gnat/share\/gpr/g" \
	-e "s/lib\/gtkada/lib$LIBDIRSUFFIX\/gtkada/g"\
        -e 's/=\${libdir}\//=\${DESTDIR}\${libdir}\//' \
	-e 's/include\/gtkada\/gtkada.$(@F)/include\/gtkada/g' \
	-e 's/include\/gtkada\/gtkada_gl.$(@F)/include\/gtkada/g' \
	-e 's/lib64\/gtkada\/gtkada.$(@F)/lib64\/gtkada\/$(@F)/g' \
	-e 's/lib64\/gtkada\/gtkada_gl.$(@F)/lib64\/gtkada\/$(@F)/g' \
	-e 's/--install-name=gtkada//g' Makefile

    sed -i "s/\/lib/\/lib$LIBDIRSUFFIX/g" gtk.gpr
else
    sed -i -e "s/lib\/gnat/share\/gpr/g" \
	-e 's/=\${libdir}\//=\${DESTDIR}\${libdir}\//' \
	-e 's/include\/gtkada\/gtkada.$(@F)/include\/gtkada/g' \
	-e 's/include\/gtkada\/gtkada_gl.$(@F)/include\/gtkada/g' \
	-e 's/lib\/gtkada\/gtkada.$(@F)/lib\/gtkada\/$(@F)/g' \
	-e 's/lib\/gtkada\/gtkada_gl.$(@F)/lib\/gtkada\/$(@F)/g' \
	-e 's/--install-name=gtkada//g' Makefile
fi

sed -i 's/share\/doc/doc/g' src/gtkada.gpr
# change document location
sed -i "s/share\/doc\//doc\//" xml/gtkada.xml
(
# unset the BUILD environment variable in subshell to avoid conflicting
# definition for gtkada project in the gitlab CI environment.
unset BUILD
ADA_FLAGS="$SLKCFLAGS"
LDFLAGS="-s"
make -j1 PROCESSORS=1 GPRBUILD_SWITCHES="-R -XBUILD=Production -cargs $ADA_FLAGS -largs $LDFLAGS -gargs"

make -j1 PROCESSORS=1 DESTDIR=$PKG install
)

# static-pic and relocatable are the same ali files
(cd $PKG/usr/lib$LIBDIRSUFFIX/$PRGNAM/static-pic;
 for ali_file in *.ali ; do
     ln -sf ../relocatable/$ali_file
 done)
mkdir -p $PKG/install
(cd $PKG/usr/share/examples/gtkada
 rm lib$LIBDIRSUFFIX
 ln -s ../../../lib$LIBDIRSUFFIX
)
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp COPYING* ANNOUNCE README.md $PKG/usr/doc/$PRGNAM-$VERSION
cp $CWD/$PRGNAM.SlackBuild $PKG/usr/doc/$PRGNAM-$VERSION
cp $CWD/slack-desc $PKG/install

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