✏ EDIT: brp-java-gcjcompile

#!/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

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