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9.4.2 ¿ä¾©¤µ¤ì¤ë½ç½ø

ξÊý¤¬¸Æ¤Ó½Ð¤µ¤ì¤Æ¤â¡¤ÊÒÊý¤¬¤â¤¦°ìÊý¤¬¸Æ¤Ó½Ð¤µ¤ì¤ë¤³¤È¤òÍ׵ᤷ¤Ê ¤¤¾ì¹ç¡¤¤â¤¦°ìÊý¤Î¥Þ¥¯¥í¤ÎÁ°¤Ë¼Â¹Ô¤¹¤ë¤¹¤Ù¤­¥Þ¥¯¥í¤â¤¢¤ê¤Þ¤¹¡¥Î㤨¤Ð¡¤C ¥³¥ó¥Ñ¥¤¥é¤Îưºî¤òÊѹ¹¤¹¤ë¥Þ¥¯¥í¤Ï¡¤C¥³¥ó¥Ñ¥¤¥é¤ò¼Â¹Ô¤¹¤ë¤¢¤é¤æ¤ë¥Þ¥¯¥í ¤ÎÁ°¤Ë¸Æ¤Ó½Ð¤µ¤ì¤ë¤Ù¤­¤Ç¤¹¡¥¤³¤ì¤é¤Î°Í¸À­¤Î¿¤¯¤Ï¥É¥­¥å¥á¥ó¥È¤Ëµ­¤µ¤ì¤Æ ¤¤¤Þ¤¹¡¥

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Î㤨¤ÐAC_PROG_CPP¤Ï¡¤C¥³¥ó¥Ñ¥¤¥é¤Ë‘-E’¥ª¥×¥·¥ç¥ó¤¬Í¿¤¨¤é¤ì¤Æ ¤¤¤ë¤È¤­¡¤C¥×¥ê¥×¥í¥»¥Ã¥µ¤¬¼Â¹Ô²Äǽ¤«¤É¤¦¤«Ä´ºº¤·¤Þ¤¹¡¥½¾¤Ã¤Æ¡¤»ÈÍѤµ¤ì ¤ëC¥³¥ó¥Ñ¥¤¥é¤¬Êѹ¹¤µ¤ì¤ëAC_PROG_CC¤Î¤è¤¦¤Ê¥Þ¥¯¥í¤Î¸å¤Ç¡¤¤½¤ì¤Ï¸Æ ¤Ó½Ð¤¹¤Ù¤­¤Ç¤¹¡¥¤½¤Î¤¿¤á¡¤AC_PROG_CC¤Ï°Ê²¼¤ò´Þ¤ó¤Ç¤¤¤Þ¤¹¡¥

AC_BEFORE([$0], [AC_PROG_CPP])dnl

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Macro: AC_BEFORE (this-macro-name, called-macro-name)

called-macro-name¤¬´û¤Ë¸Æ¤Ó½Ð¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¡¤M4¤Ïɸ½à¥¨¥é¡¼½ÐÎÏ¤Ë ·Ù¹ð¥á¥Ã¥»¡¼¥¸¤ò½ÐÎϤ·¤Þ¤¹¡¥this-macro-name¤Ï¡¤AC_BEFORE¤ò ¸Æ¤Ó½Ð¤¹¥Þ¥¯¥í¤Î̾Á°¤Ë¤¹¤Ù¤­¤Ç¤¹¡¥¥Þ¥¯¥ícalled-macro-name¤Ï¡¤ AC_DEFUN¤ò»ÈÍѤ·¤ÆÄêµÁ¤µ¤ì¤Æ¤¤¤ë¡¤¤Þ¤¿¤Ï¸Æ¤Ó½Ð¤µ¤ì¤Æ¤¤¤ë¤³¤È¤ò¼¨ ¤¹AC_PROVIDE¤Î¸Æ¤Ó½Ð¤·¤ò´Þ¤ó¤Ç¤¤¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡¥