diff options
Diffstat (limited to 'm4/ax_check_funcs_ex.m4')
-rw-r--r-- | m4/ax_check_funcs_ex.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/ax_check_funcs_ex.m4 b/m4/ax_check_funcs_ex.m4 new file mode 100644 index 00000000..7aaa58b0 --- /dev/null +++ b/m4/ax_check_funcs_ex.m4 @@ -0,0 +1,22 @@ +# 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 + ) +]) |