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-rw-r--r--unix/tcl.m49
1 files changed, 7 insertions, 2 deletions
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 197c83e..ba0dd66 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -479,19 +479,24 @@ AC_DEFUN(SC_ENABLE_THREADS, [
LIBS=$ac_saved_libs
AC_CHECK_FUNCS(readdir_r)
if test "x$ac_cv_func_readdir_r" = "xyes"; then
+ AC_MSG_CHECKING([how many args readdir_r takes])
# IRIX 5.3 has a 2 arg version of readdir_r
# while other systems have a 3 arg version.
AC_CACHE_VAL(tcl_cv_two_arg_readdir_r,
- AC_TRY_COMPILE([#include <sys/types.h>
+ AC_TRY_COMPILE([#include <stdlib.h>
+#include <sys/types.h>
#include <sys/dir.h>], [readdir_r(NULL, NULL);],
tcl_cv_two_arg_readdir_r=yes, tcl_cv_two_arg_readdir_r=no))
AC_CACHE_VAL(tcl_cv_three_arg_readdir_r,
- AC_TRY_COMPILE([#include <sys/types.h>
+ AC_TRY_COMPILE([#include <stdlib.h>
+#include <sys/types.h>
#include <sys/dir.h>], [readdir_r(NULL, NULL, NULL);],
tcl_cv_three_arg_readdir_r=yes, tcl_cv_three_arg_readdir_r=no))
if test "x$tcl_cv_two_arg_readdir_r" = "xyes" ; then
+ AC_MSG_RESULT([2])
AC_DEFINE(HAVE_TWO_ARG_READDIR_R)
elif test "x$tcl_cv_three_arg_readdir_r" = "xyes" ; then
+ AC_MSG_RESULT([3])
AC_DEFINE(HAVE_THREE_ARG_READDIR_R)
else
AC_MSG_ERROR([unknown number of args for readdir_r])