1*a466cc55SCy Schubert# Check if the function is available. 2*a466cc55SCy Schubert# HAVE_XXX will be defined if yes. 3*a466cc55SCy Schubert 4*a466cc55SCy Schubert# $1: the name of function 5*a466cc55SCy Schubert# $2: the headers in where the function declared 6*a466cc55SCy SchubertAC_DEFUN([AX_CHECK_DECL_EX], [dnl 7*a466cc55SCy Schubert AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])]) 8*a466cc55SCy Schubert AS_VAR_PUSHDEF([have_func_var], [HAVE_[]m4_toupper($1)]) 9*a466cc55SCy Schubert AC_CHECK_DECL([$1],dnl 10*a466cc55SCy Schubert [AC_DEFINE([have_func_var], [1], [Define to 1 if you have the `$1' function.])],,dnl 11*a466cc55SCy Schubert [$2]dnl 12*a466cc55SCy Schubert ) 13*a466cc55SCy Schubert AS_VAR_POPDEF([have_func_var])dnl 14*a466cc55SCy Schubert]) 15*a466cc55SCy Schubert 16*a466cc55SCy SchubertAC_DEFUN([AX_CHECK_DECLS_EX], [dnl 17*a466cc55SCy Schubert AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])]) 18*a466cc55SCy Schubert m4_foreach([decl],dnl 19*a466cc55SCy Schubert m4_split(m4_normalize($1)),dnl 20*a466cc55SCy Schubert [AX_CHECK_DECL_EX([decl], [$2])]dnl 21*a466cc55SCy Schubert ) 22*a466cc55SCy Schubert]) 23