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ruby--ruby/tool/m4/ruby_define_if.m4
shyouhei 5839396028 Emacs friendliness [ci skip]
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61983 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-01-20 07:14:59 +00:00

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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