#!/bin/sh

# Public domain.  Originally written 2005 by Karl Berry.

this_dir=`pwd`
tl_sourcedir=`pwd`/source

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

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

# Context
preset_context_ver=2.11.02
echo "Include Context v${preset_context_ver}?"
read with_context?'[y/n] '
if [[ ${with_context} == "y" ]]; then
    context_ver=${preset_context_ver}
fi
unset preset_context_ver

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

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

# First build: clisp
if [[ ${with_clisp} == "y" ]]; then
    mkdir source/clisp && cd source/clisp
    clisp_basedir=`pwd`
    clisp_toolsdir=$clisp_basedir/clisp-tools
    clisp_builddir=$clisp_basedir/clisp-build
    mkdir $clisp_toolsdir
    wget=wget  # or "curl -O" or whatever
    #libsigsegv_ver=libsigsegv-2.13
    libsigsegv_ver=$(curl -s https://tug.org/svn/texlive/trunk/Build/source/utils/README?view=co | 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=$(curl -s https://tug.org/svn/texlive/trunk/Build/source/utils/README?view=co | 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=$(curl -s https://tug.org/svn/texlive/trunk/Build/source/utils/README?view=co | 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 $tl_sourcedir
    # github may be outdated, says the readme file
    # curl -L https://github.com/contextgarden/luametatex/archive/refs/tags/v$context_ver.tar.gz > luametatex-$context_ver.tar.gz
    # tar xzf luametatex-$context_ver.tar.gz
    # cd luametatex-$context_ver
    if [[ -d luametatex ]];then
	rm -f luametatex-{$context_ver}.tar.xz
	rm -rf luametatex
    fi
    rsync tug.org::tldevsrc/Master/source/luametatex-$context_ver.tar.xz .
    xzcat luametatex-$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
}

# 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
else
    if [[ ${with_context} == "y" ]]; then
	include_context
    fi    
    if [[ ${with_asymptote} == "y" ]];then
	include_asymptote
    fi
fi

cd ${this_dir}