diff --git a/src/apps/bin/diffutils-2.8.1/config.h b/src/apps/bin/diffutils-2.8.1/config.h
index 19a7a1b26b..74bb46f128 100644
--- a/src/apps/bin/diffutils-2.8.1/config.h
+++ b/src/apps/bin/diffutils-2.8.1/config.h
@@ -150,7 +150,7 @@
 
 /* Define to 1 if you have the declaration of `ferror_unlocked', and to 0 if
    you don't. */
-#define HAVE_DECL_FERROR_UNLOCKED 1
+#define HAVE_DECL_FERROR_UNLOCKED 0
 
 /* Define to 1 if you have the declaration of `fflush_unlocked', and to 0 if
    you don't. */
@@ -1372,7 +1372,7 @@
 /* #undef malloc */
 
 /* Define to a type if <wchar.h> does not define. */
-#define mbstate_t int
+//#define mbstate_t int
 
 /* Define to rpl_memcmp if the replacement function should be used. */
 /* #undef memcmp */
@@ -1387,7 +1387,7 @@
 /* #undef mkstemp */
 
 /* Define to rpl_mktime if the replacement function should be used. */
-#define mktime rpl_mktime
+//#define mktime rpl_mktime
 
 /* Define to `int' if <sys/types.h> does not define. */
 /* #undef mode_t */
diff --git a/src/apps/bin/grep-2.5/config.h b/src/apps/bin/grep-2.5/config.h
index 64fb5420aa..a85f9e5084 100644
--- a/src/apps/bin/grep-2.5/config.h
+++ b/src/apps/bin/grep-2.5/config.h
@@ -322,7 +322,7 @@
 /* #undef malloc */
 
 /* Define to a type if <wchar.h> does not define. */
-#define mbstate_t int
+//#define mbstate_t int
 
 /* Define to `long' if <sys/types.h> does not define. */
 /* #undef off_t */
diff --git a/src/apps/bin/sed-4.0.9/config.h b/src/apps/bin/sed-4.0.9/config.h
index 6f569600a8..68a526d487 100644
--- a/src/apps/bin/sed-4.0.9/config.h
+++ b/src/apps/bin/sed-4.0.9/config.h
@@ -319,7 +319,7 @@
 #endif
 
 /* Define to a type if <wchar.h> does not define. */
-#define mbstate_t int
+//#define mbstate_t int
 
 /* Define to `long' if <sys/types.h> does not define. */
 /* #undef off_t */
diff --git a/src/apps/bin/tar/config.h b/src/apps/bin/tar/config.h
index 84625dbbb1..a329658f53 100644
--- a/src/apps/bin/tar/config.h
+++ b/src/apps/bin/tar/config.h
@@ -92,7 +92,7 @@
 
 /* Define to 1 if you have the declaration of `ferror_unlocked', and to 0 if
    you don't. */
-#define HAVE_DECL_FERROR_UNLOCKED 1
+#define HAVE_DECL_FERROR_UNLOCKED 0
 
 /* Define to 1 if you have the declaration of `fflush_unlocked', and to 0 if
    you don't. */
@@ -148,7 +148,7 @@
 
 /* Define to 1 if you have the declaration of `strerror_r', and to 0 if you
    don't. */
-#define HAVE_DECL_STRERROR_R 0
+#define HAVE_DECL_STRERROR_R 1
 
 /* Define to 1 if you have the declaration of `strtoimax', and to 0 if you
    don't. */
@@ -637,7 +637,7 @@
 /* #undef malloc */
 
 /* Define to a type if <wchar.h> does not define. */
-#define mbstate_t int
+//#define mbstate_t int
 
 /* Type of minor device numbers. */
 #define minor_t int