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# Add symbol patterns _ZTI* and _ZTS* to the global section of version UDK_3_0_0
# (and if that version is not yet present, add it).  For C++ exception handling
# to work across libraries, it is important that all libraries use those symbols
# with the same version name.
#
# The below code fails with 'perverted' mapfiles (using a strange line layout,
# or containing version UDK_3_0_0 without a global section, ...).

BEGIN { state = 0 }
END {
    if (state == 0) {
        print "# Weak RTTI symbols for C++ exceptions:"
        print "UDK_3_0_0 {"
	print "\tglobal:"
	print "\t_ZTI*; _ZTS*;"
        print "};"
    }
}
state == 2 {
    print "        _ZTI*; _ZTS*; # weak RTTI symbols for C++ exceptions"
    state = 3
}
# #i66636# - ???
/^[\t ]*UDK_3_0_0[\t ]*\{/ { state = 1 }
/^[\t ]*global[\t ]*:/ && state == 1 { state = 2 }
{ print }