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14 lines
458 B
14 lines
458 B
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AC_DEFUN([AC_C___ATTRIBUTE__], |
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[ |
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AC_MSG_CHECKING(for __attribute__) |
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AC_CACHE_VAL(ac_cv___attribute__, [ |
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AC_TRY_COMPILE([#include <stdlib.h>], |
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[int func(int x); int foo(int x __attribute__ ((unused))) { exit(1); }], |
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ac_cv___attribute__=yes, ac_cv___attribute__=no)]) |
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if test "$ac_cv___attribute__" = "yes"; then |
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AC_DEFINE(HAVE___ATTRIBUTE__, 1, [Define to 1 if your compiler has __attribute__]) |
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fi |
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AC_MSG_RESULT($ac_cv___attribute__) |
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]) |
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