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# -*- Autoconf -*-
AC_DEFUN([RUBY_DEFINE_IF], [dnl
m4_ifval([$1], [AS_LITERAL_IF([$1], [], [test "X$1" = X || ])cat <<EOH >> confdefs.h
@%:@if $1
EOH
])dnl
AC_DEFINE_UNQUOTED($2, $3)dnl
m4_ifval([$1], [AS_LITERAL_IF([$1], [], [test "X$1" = X || ])cat <<EOH >> confdefs.h
@%:@endif /* $1 */
EOH
])dnl
])dnl
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