path: root/m4/evo_check_langinfo.m4

dnl EVO_CHECK_LANGINFO(detail)
dnl Checks if the given langinfo detail is supported
AC_DEFUN([EVO_CHECK_LANGINFO],[
    AS_VAR_PUSHDEF([ac_cv_langinfo_detail],
                   [ac_cv_langinfo_]m4_tolower($1))

    AC_MSG_CHECKING([for nl_langinfo ($1)])

    AC_LANG_PUSH(C)

    AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM(
            [[#include <langinfo.h>]],
            [[char *detail = nl_langinfo ($1);]])],
        [ac_cv_langinfo_detail=yes],
        [ac_cv_langinfo_detail=no])

    AC_LANG_POP(C)

    AS_VAR_IF([ac_cv_langinfo_detail], [yes],
              [AC_DEFINE([HAVE_]m4_toupper($1), 1, [Have nl_langinfo ($1)])])

    AC_MSG_RESULT([$ac_cv_langinfo_detail])
    AS_VAR_POPDEF([ac_cv_langinfo_detail])
])