3 files changed, 1 insertions, 40 deletions
diff --git a/gr-howto-write-a-block/config/gr_pwin32.m4 b/gr-howto-write-a-block/config/gr_pwin32.m4
index 495e9dd4d..6b27b439f 100644
--- a/gr-howto-write-a-block/config/gr_pwin32.m4
+++ b/gr-howto-write-a-block/config/gr_pwin32.m4
@@ -1,6 +1,6 @@
 # Check for (mingw)win32 POSIX replacements.             -*- Autoconf -*-
 
-# Copyright 2003,2004,2005 Free Software Foundation, Inc.
+# Copyright 2003,2004,2005,2011 Free Software Foundation, Inc.
 # 
 # This file is part of GNU Radio
 # 
@@ -61,17 +61,6 @@ AC_TRY_LINK([   #include <windows.h>
                 AC_MSG_RESULT(no)
                 )
 
-dnl Under Win32, mkdir prototype in io.h has only one arg
-AC_MSG_CHECKING(whether mkdir accepts only one arg)
-AC_TRY_COMPILE([#include <sys/types.h>
-       #include <sys/stat.h>
-       #include <fcntl.h>], [
-       mkdir("")
- ], [ AC_MSG_RESULT(yes)
-     AC_DEFINE(MKDIR_TAKES_ONE_ARG,[],[Define if mkdir accepts only one arg]) ],
- [ AC_MSG_RESULT(no)
- ])
-
 AH_BOTTOM(
 [
 /* Define missing prototypes, implemented in replacement lib */
diff --git a/gr-howto-write-a-block/config/lf_cxx.m4 b/gr-howto-write-a-block/config/lf_cxx.m4
index dfc6bfbfe..7cce5f8a4 100644
--- a/gr-howto-write-a-block/config/lf_cxx.m4
+++ b/gr-howto-write-a-block/config/lf_cxx.m4
@@ -46,22 +46,5 @@ AC_DEFUN([LF_CXX_PORTABILITY],[
   dnl Check for common C++ portability problems
   dnl
 
-  dnl AC_LANG_PUSH
-  dnl AC_LANG_CPLUSPLUS
-  AC_LANG_SAVE
-  AC_LANG_CPLUSPLUS
-
-
-  dnl Test whether C++ has std::isnan
-  AC_MSG_CHECKING(whether C++ has std::isnan)
-  AC_TRY_COMPILE([#include <cmath>], [
-   std::isnan(0);
-], [ AC_MSG_RESULT(yes)
-	AC_DEFINE(CXX_HAS_STD_ISNAN,[],[Define if has std::isnan]) ],
-   [ AC_MSG_RESULT(no) ])
-
-  dnl Done with the portability checks
-  dnl AC_LANG_POP([C++])
-  AC_LANG_RESTORE
 ])
 
diff --git a/gr-howto-write-a-block/config/mkstemp.m4 b/gr-howto-write-a-block/config/mkstemp.m4
index 4af0f0a9b..2d1fbee9b 100644
--- a/gr-howto-write-a-block/config/mkstemp.m4
+++ b/gr-howto-write-a-block/config/mkstemp.m4
@@ -75,15 +75,4 @@ AC_DEFUN([jm_PREREQ_TEMPNAME],
   AC_CHECK_FUNCS(__secure_getenv gettimeofday lstat)
   AC_CHECK_DECLS_ONCE(getenv)
   # AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
-
-  dnl Under Win32, mkdir prototype in io.h has only one arg
-  AC_MSG_CHECKING(whether mkdir accepts only one arg)
-  AC_TRY_COMPILE([#include <sys/types.h>
-       #include <sys/stat.h>
-       #include <fcntl.h>], [
-       mkdir("")
-  ], [ AC_MSG_RESULT(yes)
-     AC_DEFINE(MKDIR_TAKES_ONE_ARG,[],[Define if mkdir accepts only one arg]) ],
-   [ AC_MSG_RESULT(no)
-     ])
 ])