#!/bin/sh

# If using normal root, avoid changing anything.

[ -z "$RPM_BUILD_ROOT" -o "$RPM_BUILD_ROOT" = "/" ] && exit 0

# If we are a noarch package, avoid changing anything.

[ "$RPM_ARCH" = "noarch" ] && exit 0

# If we don't have the required executables, avoid changing anything.

gcj=${1:-/usr/bin/gcj}

[ ! -x "$gcj" -o ! -x "$gcj-dbtool" ] && exit 0

# Now get to work...

libdir="/usr/lib" # XXX need to sed this in or something

dbdir=`gcj-dbtool -p "$libdir"`.d/"$RPM_PACKAGE_NAME-$RPM_PACKAGE_VERSION"

cflags="$RPM_OPT_FLAGS -fPIC -findirect-dispatch"

ldflags="-Wl,-Bsymbolic"

# XXX make it so you can override the list, for mx4j et al.

find "$RPM_BUILD_ROOT" -type f -name "*.?ar" | while read jar ; do

    [ `head -c 2 "$jar"` != "PK" ] && continue

    [ -d "$RPM_BUILD_ROOT/$libdir" ] || mkdir -p "$RPM_BUILD_ROOT/$libdir"

    bnjar=`basename "$jar"`

    lib="$libdir/lib$bnjar.so"

    [ -f "$RPM_BUILD_ROOT/$lib" ] && continue

    # XXX need splits to handle #158308

    # (til then we can just compile big ones ourselves)

    echo "$PS4$gcj -shared $cflags $ldflags -o $lib $jar"

    $gcj -shared $cflags $ldflags -o "$RPM_BUILD_ROOT/$lib" "$jar"

    [ -d "$RPM_BUILD_ROOT/$dbdir" ] || mkdir -p "$RPM_BUILD_ROOT/$dbdir"

    db="$dbdir/$bnjar.db"

    [ -f "$RPM_BUILD_ROOT/$db" ] && exit 1

    $gcj-dbtool -n "$RPM_BUILD_ROOT/$db" 64

    $gcj-dbtool -f "$RPM_BUILD_ROOT/$db" "$jar" "$lib"

done