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13 lines
459 B
Plaintext
13 lines
459 B
Plaintext
dnl see if a declaration exists for a function or variable
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dnl defines HAVE_function_DECL if it exists
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dnl AC_HAVE_DECL(var, includes)
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AC_DEFUN(AC_HAVE_DECL,
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[
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AC_CACHE_CHECK([for $1 declaration],ac_cv_have_$1_decl,[
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AC_TRY_COMPILE([$2],[int i = (int)$1],
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ac_cv_have_$1_decl=yes,ac_cv_have_$1_decl=no)])
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if test x"$ac_cv_have_$1_decl" = x"yes"; then
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AC_DEFINE([HAVE_]translit([$1], [a-z], [A-Z])[_DECL],1,[Whether $1() is available])
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fi
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])
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