kc3-lang/libevent/m4/ax_check_funcs_ex.m4
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Hash : b9bf7fa7
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Date : 2020-03-14T11:13:38
autoconf: fix getaddrinfo checking errors on mingw `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 (cherry picked from commit 6d54be2cc078351b4ce1e469bedc4a976f4e3636)
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m4/ax_check_funcs_ex.m4
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# Check if the function is available. # HAVE_XXX will be defined if yes. # $1: the name of function # $2: the headers in where the function declared AC_DEFUN([AX_CHECK_DECL_EX], [dnl AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])]) AS_VAR_PUSHDEF([have_func_var], [HAVE_[]m4_toupper($1)]) AC_CHECK_DECL([$1],dnl [AC_DEFINE([have_func_var], [1], [Define to 1 if you have the `$1' function.])],,dnl [$2]dnl ) AS_VAR_POPDEF([have_func_var])dnl ]) AC_DEFUN([AX_CHECK_DECLS_EX], [dnl AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])]) m4_foreach([decl],dnl m4_split(m4_normalize($1)),dnl [AX_CHECK_DECL_EX([decl], [$2])]dnl ) ])