diff --git a/config/ChangeLog b/config/ChangeLog
index 7b1384daa..cd5185a90 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,8 @@
+2007-04-11  Kai Tietz  <kai.tietz@onevision.com>
+
+	* stdint.m4: Make template compatible with older cygwin 
+	types.h, wrapping each type in a __XXX_t_defined #ifdef.
+
 2007-03-26  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* acx.m4 (ACX_BUGURL): Set BUGURL first. Quote $BUGURL first
diff --git a/config/stdint.m4 b/config/stdint.m4
index 07923826c..025ffad9e 100644
--- a/config/stdint.m4
+++ b/config/stdint.m4
@@ -218,33 +218,51 @@ if test "$acx_cv_header_stdint" = stddef.h; then
 
     #ifndef _UINT8_T
     #define _UINT8_T
+    #ifndef __uint8_t_defined
+    #define __uint8_t_defined
     typedef unsigned $acx_cv_type_int8_t uint8_t;
     #endif
+    #endif
 
     #ifndef _UINT16_T
     #define _UINT16_T
+    #ifndef __uint16_t_defined
+    #define __uint16_t_defined
     typedef unsigned $acx_cv_type_int16_t uint16_t;
     #endif
+    #endif
 
     #ifndef _UINT32_T
     #define _UINT32_T
+    #ifndef __uint32_t_defined
+    #define __uint32_t_defined
     typedef unsigned $acx_cv_type_int32_t uint32_t;
     #endif
+    #endif
 
     #ifndef _INT8_T
     #define _INT8_T
+    #ifndef __int8_t_defined
+    #define __int8_t_defined
     typedef $acx_cv_type_int8_t int8_t;
     #endif
+    #endif
 
     #ifndef _INT16_T
     #define _INT16_T
+    #ifndef __int16_t_defined
+    #define __int16_t_defined
     typedef $acx_cv_type_int16_t int16_t;
     #endif
+    #endif
 
     #ifndef _INT32_T
     #define _INT32_T
+    #ifndef __int32_t_defined
+    #define __int32_t_defined
     typedef $acx_cv_type_int32_t int32_t;
     #endif
+    #endif
 EOF
 elif test "$ac_cv_type_u_int32_t" = yes; then
   sed 's/^ *//' >> tmp-stdint.h <<EOF
@@ -262,18 +280,27 @@ elif test "$ac_cv_type_u_int32_t" = yes; then
 
     #ifndef _UINT8_T
     #define _UINT8_T
+    #ifndef __uint8_t_defined
+    #define __uint8_t_defined
     typedef u_int8_t uint8_t;
     #endif
+    #endif
 
     #ifndef _UINT16_T
     #define _UINT16_T
+    #ifndef __uint16_t_defined
+    #define __uint16_t_defined
     typedef u_int16_t uint16_t;
     #endif
+    #endif
 
     #ifndef _UINT32_T
     #define _UINT32_T
+    #ifndef __uint32_t_defined
+    #define __uint32_t_defined
     typedef u_int32_t uint32_t;
     #endif
+    #endif
 EOF
 else
   sed 's/^ *//' >> tmp-stdint.h <<EOF
@@ -321,8 +348,11 @@ elif test "$ac_cv_type_u_int64_t" = yes; then
     #endif
     #ifndef _UINT64_T
     #define _UINT64_T
+    #ifndef __uint64_t_defined
+    #define __uint64_t_defined
     typedef u_int64_t uint64_t;
     #endif
+    #endif
 EOF
 elif test -n "$acx_cv_type_int64_t"; then
   sed 's/^ *//' >> tmp-stdint.h <<EOF
@@ -334,8 +364,11 @@ elif test -n "$acx_cv_type_int64_t"; then
     #endif
     #ifndef _UINT64_T
     #define _UINT64_T
+    #ifndef __uint64_t_defined
+    #define __uint64_t_defined
     typedef unsigned $acx_cv_type_int64_t uint64_t;
     #endif
+    #endif
 EOF
 else
   sed 's/^ *//' >> tmp-stdint.h <<EOF
@@ -344,8 +377,10 @@ else
     #if defined __STDC_VERSION__ && (__STDC_VERSION__-0) >= 199901L
     #ifndef _INT64_T
     #define _INT64_T
+    #ifndef __int64_t_defined
     typedef long long int64_t;
     #endif
+    #endif
     #ifndef _UINT64_T
     #define _UINT64_T
     typedef unsigned long long uint64_t;
@@ -390,8 +425,12 @@ if test "$ac_cv_type_uintptr_t" != yes; then
   sed 's/^ *//' >> tmp-stdint.h <<EOF
 
     /* Define intptr_t based on sizeof(void*) = $ac_cv_sizeof_void_p */
+    #ifndef __uintptr_t_defined
     typedef u$acx_cv_type_intptr_t uintptr_t;
+    #endif
+    #ifndef __intptr_t_defined
     typedef $acx_cv_type_intptr_t  intptr_t;
+    #endif
 EOF
 fi