dnl Check for readdir_r and number of its arguments dnl Code from libwww/configure.in AC_MSG_CHECKING([for readdir_r]) if test -z "$ac_cv_readdir_args"; then AC_TRY_COMPILE( [ #include <sys/types.h> #include <dirent.h> ], [ struct dirent dir, *dirp; DIR *mydir; dirp = readdir_r(mydir, &dir); ], ac_cv_readdir_args=2) fi if test -z "$ac_cv_readdir_args"; then AC_TRY_COMPILE( [ #include <sys/types.h> #include <dirent.h> ], [ struct dirent dir, *dirp; DIR *mydir; int rc; rc = readdir_r(mydir, &dir, &dirp); ], ac_cv_readdir_args=3) fi AC_ARG_ENABLE([readdir_r], [ --enable-readdir_r enable support for readdir_r], enable_readdir_r=$enableval, enable_readdir_r="no") if test "$enable_readdir_r" = "no"; then AC_MSG_RESULT(support disabled) elif test -z "$ac_cv_readdir_args"; then AC_MSG_RESULT(no) else if test "$ac_cv_readdir_args" = 2; then AC_DEFINE([HAVE_READDIR_R_2],1,[readdir_r takes 2 arguments]) elif test "$ac_cv_readdir_args" = 3; then AC_DEFINE([HAVE_READDIR_R_3],1,[readdir_r takes 3 arguments]) fi AC_MSG_RESULT([yes, and it takes $ac_cv_readdir_args arguments]) fi