# Call this script with the tclsh you'd like to build the extension against
# Optional argument is the location of tclConfig.sh

set zliblib [lindex [glob -nocomplain -directory ./ zlib-1.*] 0]

if { [llength $argv] == 0 } {
    foreach tclconfig [info library] {
        if { [file exists $tclconfig/tclConfig.sh] } {
            break
        } else {
            if { [file exists [file dirname $tclconfig]/tclConfig.sh] } {
                set tclconfig [file dirname $tclconfig]
                break
            } 
        }
    }
    if { ![file exists $tclconfig/tclConfig.sh] } {
        puts stderr "Could not find tclConfig.sh in the standard locations."
        puts stderr "You can specify it by running build.tcl like:"
        puts stderr " $ tclsh build.tcl /directory/name/containing/tclconfig.sh/"            
        exit
    }    
} else {
    set tclconfig [lindex $argv 0]
}

puts "Using tclConfig.sh in $tclconfig"

# Optional build of bundled zlib
if { $zliblib ne "" && [file exists $zliblib] } {
    cd $zliblib
    puts "**** Configure zlib ****"
    exec sh configure --shared >@ stdout 2>@ stderr
    puts "**** Build zlib ****"
    exec make >@ stdout 2>@ stderr
    cd ..
}

puts "**** Configure zlib extension ****"
exec sh configure --with-tcl=$tclconfig --with-zlib=$zliblib >@ stdout 2>@ stderr
puts "**** Build tcl extension ****"
exec make test >@ stdout 2>@ stderr

puts "**** Done. You may want to run 'make install' ****"