#!/bin/sh

VERSION=${VERSION:-12.2.0}
ARCH=${ARCH:-x86_64} # 64-bit arch, not 32
BUILD=${BUILD:-1}
DISTRO=${DISTRO:-slamd64}

SOURCEDIR=/tmp/devel32
PKG=/tmp/package-devel32
rm -rf $SOURCEDIR $PKG
mkdir -p $SOURCEDIR $PKG

CWD=`pwd`

if [ "x$1" != "x" ]; then
	PACKAGES=$1
	PKGNAME=${1}32-tmp
else
	PACKAGES=`egrep -v '^#' $CWD/buildorder`
	PKGNAME=devel32
fi

for package in $PACKAGES; do
	echo "Building $package..."
	cd $SOURCEDIR || exit 1
	mkdir $package
	cd $package || exit 1

	# Copy stuff over
	cp -a $CWD/sources/$package/. . || exit 1
	# Fix symlinks
	find -type l | xargs file | grep 'broken' | while read symlink; do
		target=`echo $symlink | cut -f 2 -d '\`' | cut -f 1 -d "'"`
		linkname=`echo $symlink | cut -f 1 -d ':'`
		ln -sf $CWD/sources/$package/$target $linkname
	done

	# If there's no template SlackBuild, use the template one in sources/
	if [ ! -e $package.SlackBuild ]; then
		cp $CWD/sources/template.SlackBuild $package.SlackBuild || exit 1
		if [ ! -e configure ]; then
			cp $CWD/sources/template.configure configure || exit 1
		fi
	else
		# Patch it to not make a separate package
		if [ -e $CWD/diffs/$package.SlackBuild.diff.gz ]; then
			zcat $CWD/diffs/$package.SlackBuild.diff.gz | patch -p0 --verbose || exit 1
		fi
	fi

	# Build it
	(
		if [ -e /etc/profile.d/32dev.sh ]; then
			. /etc/profile.d/32dev.sh
		fi
		LIBSUFFIX="/." \
		sh $package.SlackBuild || exit 1
	)

	if [ $PKGNAME = "devel32" ]; then
		(
			cd /tmp
			rm -rf $PKG-tmp
			cp -a $PKG $PKG-tmp
			cd $PKG-tmp
			rm -rf usr/{share,include,doc} var
			# Make a temporary package
			makepkg -l y -c n ../devel32-tmp-$VERSION-${ARCH}_${DISTRO}-$BUILD.tgz
			
			# Install temporary package (this sorts out dependencies of things later in
			# the build order
			upgradepkg --reinstall --install-new ../devel32-tmp-$VERSION-${ARCH}_${DISTRO}-$BUILD.tgz
		)
	fi
done

# Remove the temporary package
removepkg devel-tmp

cd $PKG
# Sort out conflicts with 64-bit stuff
rm -rf usr/{share,include,doc,man,info,lib/pkgconfig} var
if [ -e usr/bin ]; then
	mkdir -p usr/bin/32
	mv usr/bin/* usr/bin/32/
fi

find -type f | xargs file | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded

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

removepkg devel32-tmp

makepkg -l y -c n ../$PKGNAME-$VERSION-${ARCH}_${DISTRO}-$BUILD.tgz