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6.4 ¥³¥ó¥Ñ¥¤¥é¤Î¼Â¹Ô

ÆÃÄê¤Î¥­¡¼¥ï¡¼¥É¤òǧ¼±¤¹¤ë¤«¤É¤¦¤«¤È¤¤¤Ã¤¿¡¤¸½ºß¤Î¸À¸ì¤Î¥³¥ó¥Ñ¥¤¥é¤Î¹½Ê¸ ¤ÎÆÃħ¤òÄ´ºº¤¹¤ë¤¿¤á¡¤¤Þ¤¿¡¤Ã±½ã¤Ë¤¤¤¯¤Ä¤«¤Î¥é¥¤¥Ö¥é¥ê¤ÎÆÃħ¤ò»î¤¹¤¿¤á¡¤ ¤½¤ì¤é¤ÎÆÃħ¤ò»ÈÍѤ·¤Æ¤¤¤ë¾®¤µ¤Ê¥×¥í¥°¥é¥à¤Î¥³¥ó¥Ñ¥¤¥ë¤ò»î¤ß¤ë AC_COMPILE_IFELSE¤ò»ÈÍѤ·¤Æ¤¯¤À¤µ¤¤¡¥

Macro: AC_COMPILE_IFELSE (input, [action-if-found], [action-if-not-found])

¸½ºß¤Î¸À¸ì(see Language Choice)¤Î¥³¥ó¥Ñ¥¤¥é¤È¥³¥ó¥Ñ¥¤¥é¥Õ¥é¥°¤ò input¤Ç¼Â¹Ô¤·¡¤À®¸ù¤·¤¿¤é¥·¥§¥ë¥³¥Þ¥ó¥Éaction-if-true¤ò¡¤¤½ ¤ì°Ê³°¤Ç¤Ïaction-if-false¤ò¼Â¹Ô¤·¤Þ¤¹¡¥input¤Ï AC_LANG_PROGRAM¤ä¤½¤ÎÃç´Ö¤ÇºîÀ®¤¹¤ë¤³¤È¤¬²Äǽ¤Ç¤¹¡¥

´·½¬Åª¤Ë¡¤Í½´ü¤»¤Ì°Û¾ï½ªÎ»¤ÏAC_MSG_FAILURE¤ÇÊó¹ð¤·¤Þ¤¹¡¥¤³¤Î¥Þ¥¯ ¥í¤Ï¥ê¥ó¥¯¤ò»î¤ß¤Þ¤»¤ó¡¥¤½¤¦¤¹¤ëɬÍפ¬¤¢¤ë¾ì¹ç¡¤AC_LINK_IFELSE¤ò »ÈÍѤ·¤Æ¤¯¤À¤µ¤¤(see Running the Linker)¡¥