#!/bin/sh

# Public domain.  Originally written 2005 by Karl Berry.

this_dir=`pwd`
tl_sourcedir=${this_dir}/source

. ${this_dir}/variables.conf

echo ""
echo "            TeX Live for OpenBSD built script                "
echo ""
echo "You are about to build TeX Live from the development sources."
echo "Please specify whether you also want to include xindy, context"
echo "and asymptote in the process."
echo ""

echo "Do I have to get the sources?  (You ought to have done so before launching this script.)"
read get_dev_src?'[y/n] '
if [[ ${get_dev_src} == "y" ]]; then
    ./checkout-tl.sh $1 && echo "... Ok."
fi

echo "Include clisp and xindy?"
read with_clisp?'[y/n] '
enable_xindy=""

# Context
echo "Include Context?"
read with_context?'[y/n] '

# Asymptote
echo "Include Asymptote?"
read with_asymptote?'[y/n] '

# TL
echo "Build TL?"
read build_tl?'[y/n] '

# First build: clisp
if [[ ${with_clisp} == "y" ]]; then
    mkdir $tl_sourcedir/clisp && cd $tl_sourcedir/clisp
    utils_README=$tl_sourcedir/utils/README
    clisp_basedir=`pwd`
    clisp_toolsdir=$clisp_basedir/clisp-tools
    clisp_builddir=$clisp_basedir/clisp-build
    mkdir $clisp_toolsdir
    wget=wget  # or "curl -O" or whatever
    #libsigsegv_ver=libsigsegv-2.13
    libsigsegv_ver=$(cat ${utils_README} | grep libsigsegv_ver= | sed 's/.*=//')
    cd $clisp_basedir
    $wget http://ftp.gnu.org/gnu/libsigsegv/$libsigsegv_ver.tar.gz
    gzip -dc $libsigsegv_ver.tar.gz | tar xf -
    cd $libsigsegv_ver
    ./configure -C --prefix=$clisp_toolsdir --disable-shared --enable-static \
	&& make && make check && make install
    # iconv
    #libiconv_ver=libiconv-1.16
    libiconv_ver=$(cat ${utils_README} | grep libiconv_ver= | sed 's/.*=//')
    cd $clisp_basedir
    $wget http://ftp.gnu.org/gnu/libiconv/$libiconv_ver.tar.gz
    gzip -dc $libiconv_ver.tar.gz | tar xf -
    cd $libiconv_ver
    ./configure -C --prefix=$clisp_toolsdir \
		--disable-shared --enable-static --disable-nls \
	&& make && make check && make install
    
    #clisp_ver=clisp-2.49.92
    clisp_ver=$(cat ${utils_README} | grep clisp_ver= | sed 's/.*=//')
    cd $clisp_basedir
    $wget https://alpha.gnu.org/gnu/clisp/$clisp_ver.tar.bz2
    bunzip2 -dc $clisp_ver.tar.bz2 | tar xf -
    cd $clisp_ver
    ./configure CPPFLAGS=-DUNIX_BINARY_DISTRIB --prefix=$clisp_toolsdir \
		--without-readline --without-dynamic-modules \
		--disable-nls \
		--with-libsigsegv-prefix=$clisp_toolsdir \
		--with-libiconv-prefix=$clisp_toolsdir \
		$clisp_builddir \
	&& (cd $clisp_builddir && make)
    # define --enable-xindy variable
    enable_xindy="--enable-xindy CLISP=$clisp_builddir/clisp"
fi

# If Context is required, then retrieve and build it first
if [[ ${with_context} == "y" ]]; then
    cd $tl_sourcedir
    if [[ -e $1 ]];then
	context_ver=$(svn list svn://tug.org/texlive/branches/branch${TL_BRANCH}/Master/source | grep luametatex-.*xz | sed 's/.*-\(.*\).tar.xz/\1/')
	if [[ -d luametatex ]];then
	    rm -f luametatex-{$context_ver}.tar.xz
	    rm -rf luametatex
	fi
	svn export svn://tug.org/texlive/branches/branch${TL_BRANCH}/Master/source/luametatex-${context_ver}.tar.xz
    else
	context_ver=$(svn list svn://tug.org/texlive/trunk/Master/source | grep luametatex-.*xz | sed 's/.*-\(.*\).tar.xz/\1/')
	if [[ -d luametatex ]];then
	    rm -f luametatex-{$context_ver}.tar.xz
	    rm -rf luametatex
	fi
	svn export svn://tug.org/texlive/trunk/Master/source/luametatex-${context_ver}.tar.xz
    fi
    xzcat luametatex-$context_ver.tar.xz | tar xf -
    luametatex_src_dir=$(xzcat luametatex-$context_ver.tar.xz | tar tf - | head -1)
    cd ${luametatex_src_dir}
    sh build.sh
fi

function include_context {
    cd ${tl_sourcedir}
    if [[ -d ${tl_sourcedir}/inst/bin ]];then
	tl_bindir=${tl_sourcedir}/inst/bin/`ls ${tl_sourcedir}/inst/bin`
	cp ${luametatex_src_dir}/build/native/luametatex $tl_bindir
	cd ${tl_bindir}
	ln -s luametatex context
	ln -s luametatex mtxrun
	ln -s ../../texmf-dist/scripts/context/lua/context.lua context.lua
	ln -s ../../texmf-dist/scripts/context/lua/mtxrun.lua mtxrun.lua
	ln -s ../../texmf-dist/scripts/context-texlive/stubs-mkiv/unix/luatools luatools
	ln -s ../../texmf-dist/scripts/context-texlive/stubs-mkiv/unix/contextjit contextjit
	ln -s ../../texmf-dist/scripts/context-texlive/stubs-mkiv/unix/mtxrunjit mtxrunjit
	ln -s ../../texmf-dist/scripts/context-texlive/stubs/unix/texexec texexec
	ln -s ../../texmf-dist/scripts/context-texlive/stubs/unix/texmfstart texmfstart
    fi
}

# Build Asymptote
if [[ ${with_asymptote} == "y" ]];then
    cd ${tl_sourcedir}/utils/asymptote
    ./configure --prefix=/tmp/asyinst --enable-texlive-build \
		--enable-static CXXFLAGS=-std=c++11 \
		--disable-curl --disable-lsp --disable-gsl --disable-fftw
    sed -i.bak -e 's/^LIBS = /LIBS = -static /' Makefile
    gmake
    strip asy
fi

function include_asymptote {
    cd ${tl_sourcedir}
    if [[ -d ${tl_sourcedir}/inst/bin ]];then
	tl_bindir=${tl_sourcedir}/inst/bin/`ls ${tl_sourcedir}/inst/bin`
	cp utils/asymptote/asy ${tl_bindir}
	cd ${tl_bindir}
	ln -s ../../texmf-dist/asymptote/GUI/xasy.py xasy
    fi
}

function include_extras {
    if [[ -d ${tl_sourcedir}/inst/bin ]];then
	tl_bindir=${tl_sourcedir}/inst/bin/`ls ${tl_sourcedir}/inst/bin`
	install -m 0755 ${this_dir}/tlobsd-mksymlinks ${tl_bindir}/tlobsd-mksymlinks
	install -m 0755 ${this_dir}/tlobsd ${tl_bindir}/tlobsd
    fi
}

# Now build TL
if [[ ${build_tl} == "y" ]]; then
    cd ${tl_sourcedir}
    export TL_MAKE=gmake
    ./Build ${enable_xindy}
    if [[ ${with_context} == "y" ]]; then
	include_context
    fi
    if [[ ${with_asymptote} == "y" ]];then
	include_asymptote
    fi
    include_extras
else
    if [[ ${with_context} == "y" ]]; then
	include_context
    fi    
    if [[ ${with_asymptote} == "y" ]];then
	include_asymptote
    fi
fi

cd ${this_dir}