#!/bin/bash
set -e

# With simpleBuildEnvironment flag, we're already in the build directory
# which contains the copied source tree
SRCDIR=$(pwd)

# Change to unix subdirectory for TCL configuration
cd sources/unix

# Configure TCL with LFS-recommended options
./configure --prefix=${PREFIX} \
            --mandir=${PREFIX}/share/man \
            --disable-rpath

# Build the package
make

# Store the source directory for later use in sed commands
export SRCDIR

# Fix configuration files to replace build directory references with install paths
sed -e "s|$SRCDIR/unix|${LIBDIR}|g" \
    -e "s|$SRCDIR|${INCLUDEDIR}|g" \
    -i tclConfig.sh

# Fix TDBC configuration files
if [ -f "pkgs/tdbc1.1.10/tdbcConfig.sh" ]; then
    sed -e "s|$SRCDIR/unix/pkgs/tdbc1.1.10|${LIBDIR}/tdbc1.1.10|g" \
        -e "s|$SRCDIR/pkgs/tdbc1.1.10/generic|${INCLUDEDIR}|g" \
        -e "s|$SRCDIR/pkgs/tdbc1.1.10/library|${LIBDIR}/tcl8.6|g" \
        -e "s|$SRCDIR/pkgs/tdbc1.1.10|${INCLUDEDIR}|g" \
        -i pkgs/tdbc1.1.10/tdbcConfig.sh
fi

# Fix ITCL configuration files
if [ -f "pkgs/itcl4.3.2/itclConfig.sh" ]; then
    sed -e "s|$SRCDIR/unix/pkgs/itcl4.3.2|${LIBDIR}/itcl4.3.2|g" \
        -e "s|$SRCDIR/pkgs/itcl4.3.2/generic|${INCLUDEDIR}|g" \
        -e "s|$SRCDIR/pkgs/itcl4.3.2|${INCLUDEDIR}|g" \
        -i pkgs/itcl4.3.2/itclConfig.sh
fi

echo "TCL 8.6.16 build completed successfully."