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5.10.2 °ìÈÌŪ¤Ê¥³¥ó¥Ñ¥¤¥é¤ÎÆÃħ

Macro: AC_CHECK_SIZEOF (type, [unused], [includes = ‘default-includes])

SIZEOF_type(see Standard Symbols)¤òtype¤Î¥Ð¥¤¥È¥µ ¥¤¥º¤ËÄêµÁ¤·¤Þ¤¹¡¥‘type’¤¬Ê¬¤«¤é¤Ê¤¤¾ì¹ç¡¤¤½¤Î¥µ¥¤¥º¤Ï0¤Ë¤Ê¤ê¤Þ¤¹¡¥ includes¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¡¤¥Ç¥Õ¥©¥ë¥È¤Î¥¤¥ó¥¯¥ë¡¼¥É¤¬»ÈÍѤµ¤ì ¤Þ¤¹(see Default Includes)¡¥include¤òÍ¿¤¨¤ë¾ì¹ç¡¤¤³¤Î¥Þ¥¯¥í¤ò ¼Â¹Ô¤¹¤ë¤¿¤á¤ËɬÍפÊstdio.h¤òɬ¤º¥¤¥ó¥¯¥ë¡¼¥É¤·¤Æ¤¯¤À¤µ¤¤¡¥

¤³¤Î¥Þ¥¯¥í¤Ï¡¤¸½ºß¥¯¥í¥¹¥³¥ó¥Ñ¥¤¥ë»þ¤Ë¤âưºî¤·¤Þ¤¹¡¥unused°ú¿ô¤Ï¡¤ ¥¯¥í¥¹¥³¥ó¥Ñ¥¤¥ë»þ¤Ë»ÈÍѤ·¤Þ¤¹¡¥

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AC_CHECK_SIZEOF(int *)

¤³¤ì¤Ï¡¤DEC Alpha AXP¥·¥¹¥Æ¥à¤Ç¤ÏSIZEOF_INT_P¤ò8¤ËÄêµÁ¤·¤Þ¤¹¡¥

Macro: AC_LANG_WERROR

Ä̾Autoconf¤Ï¥³¥ó¥Ñ¥¤¥é¡¤¥ê¥ó¥«¡¤¤½¤·¤Æ¥×¥ê¥×¥í¥»¥Ã¥µ¤¬À¸À®¤¹¤ë·Ù¹ð¤ò ̵»ë¤·¤Þ¤¹¡¥¤³¤Î¥Þ¥¯¥í¤¬»ÈÍѤµ¤ì¤Æ¤¤¤ë¾ì¹ç¡¤¸½ºß¤Î¸À¸ì¤ËÂФ·¡¤·Ù¹ð¤Ï½ÅÂç ¤Ê¥¨¥é¡¼¤È¤·¤Æ½èÍý¤µ¤ì¤Þ¤¹¡¥¤³¤Î¥Þ¥¯¥í¤Ï¡¤¥³¥ó¥Õ¥£¥°¥ì¡¼¥·¥ç¥ó¤Î·ë²Ì¤¬¡¤ ͽ´ü¤»¤Ì·Ù¹ð¤¬À¸¤¸¤ë¾ì½ê¤Ç»ÈÍѤµ¤ì¤ë¤È¤­Ìò¤ËΩ¤Á¤Þ¤¹¡¥Î㤨¤Ð¡¤¥×¥í¥°¥é¥à ¤Î°ìÉô¤ò‘-Werror’¥ª¥×¥·¥ç¥ó¤Ç¥Ó¥ë¥É¤·¤Æ¤¤¤ë¾ì¹ç¤¬¤¢¤Æ¤Ï¤Þ¤ê¤Þ¤¹¡¥¥× ¥í¥°¥é¥àÁ´ÂΤò‘-Werror’¤ò»ÈÍѤ·¤Æ¥Ó¥ë¥É¤·¤Æ¤¤¤ë¾ì¹ç¡¤¥³¥ó¥Ñ¥¤¥é¥Õ¥é ¥°¤Ëñ½ã¤Ë(CFLAGS¤Ê¤É¤Ç)‘-Werror’¤òÄɲä·¤¿¤Û¤¦¤¬¤è¤êñ½ã¤Ç ¤·¤ç¤¦¡¥