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require 'mkmf'
def etc_grep_header(field)
if egrep_cpp(field, "#include <pwd.h>\n")
$defs.push(format("-D%s", field.upcase))
end
end
have_library("sun", "getpwnam") # NIS (== YP) interface for IRIX 4
a = have_func("getlogin")
b = have_func("getpwent")
c = have_func("getgrent")
if a or b or c
etc_grep_header("pw_gecos")
etc_grep_header("pw_change")
etc_grep_header("pw_quota")
etc_grep_header("pw_age")
etc_grep_header("pw_class")
etc_grep_header("pw_comment") unless /cygwin/ === RUBY_PLATFORM
etc_grep_header("pw_expire")
create_makefile("etc")
end
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