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6d54be2cc0
`AC_CHECK_FUNCS` can not properly check `getaddrinfo` because this function requires some special headers on mingw. Using `AC_CHECK_DECL` can effectively solve this issue. Same for - getnameinfo - getprotobynumber - getservbyname - inet_ntop - inet_pton
23 lines
672 B
Plaintext
23 lines
672 B
Plaintext
# Check if the function is available.
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# HAVE_XXX will be defined if yes.
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# $1: the name of function
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# $2: the headers in where the function declared
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AC_DEFUN([AX_CHECK_DECL_EX], [dnl
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AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])])
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AS_VAR_PUSHDEF([have_func_var], [HAVE_[]m4_toupper($1)])
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AC_CHECK_DECL([$1],dnl
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[AC_DEFINE([have_func_var], [1], [Define to 1 if you have the `$1' function.])],,dnl
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[$2]dnl
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)
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AS_VAR_POPDEF([have_func_var])dnl
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])
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AC_DEFUN([AX_CHECK_DECLS_EX], [dnl
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AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])])
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m4_foreach([decl],dnl
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m4_split(m4_normalize($1)),dnl
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[AX_CHECK_DECL_EX([decl], [$2])]dnl
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)
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])
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