1*b50261e2SCy Schubert# Check if the function is available. 2*b50261e2SCy Schubert# HAVE_XXX will be defined if yes. 3*b50261e2SCy Schubert 4*b50261e2SCy Schubert# $1: the name of function 5*b50261e2SCy Schubert# $2: the headers in where the function declared 6*b50261e2SCy SchubertAC_DEFUN([AX_CHECK_DECL_EX], [dnl 7*b50261e2SCy Schubert AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])]) 8*b50261e2SCy Schubert AS_VAR_PUSHDEF([have_func_var], [HAVE_[]m4_toupper($1)]) 9*b50261e2SCy Schubert AC_CHECK_DECL([$1],dnl 10*b50261e2SCy Schubert [AC_DEFINE([have_func_var], [1], [Define to 1 if you have the `$1' function.])],,dnl 11*b50261e2SCy Schubert [$2]dnl 12*b50261e2SCy Schubert ) 13*b50261e2SCy Schubert AS_VAR_POPDEF([have_func_var])dnl 14*b50261e2SCy Schubert]) 15*b50261e2SCy Schubert 16*b50261e2SCy SchubertAC_DEFUN([AX_CHECK_DECLS_EX], [dnl 17*b50261e2SCy Schubert AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])]) 18*b50261e2SCy Schubert m4_foreach([decl],dnl 19*b50261e2SCy Schubert m4_split(m4_normalize($1)),dnl 20*b50261e2SCy Schubert [AX_CHECK_DECL_EX([decl], [$2])]dnl 21*b50261e2SCy Schubert ) 22*b50261e2SCy Schubert]) 23