+if test "$acx_cv_header_stdint" != stdint.h; then
+ echo "#include <stddef.h>" >> tmp-stdint.h
+fi
+if test "$acx_cv_header_stdint" != stddef.h; then
+ echo "#include <$acx_cv_header_stdint>" >> tmp-stdint.h
+fi
+
+sed 's/^ *//' >> tmp-stdint.h <<EOF
+ /* glibc uses these symbols as guards to prevent redefinitions. */
+ #ifdef __int8_t_defined
+ #define _INT8_T
+ #define _INT16_T
+ #define _INT32_T
+ #endif
+ #ifdef __uint32_t_defined
+ #define _UINT32_T
+ #endif
+
+EOF
+
+# ----------------- done header, emit basic int types -------------
+if test "$acx_cv_header_stdint" = stddef.h; then
+ sed 's/^ *//' >> tmp-stdint.h <<EOF
+
+ #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
+
+ /* int8_t int16_t int32_t defined by inet code, we do the u_intXX types */
+ #ifndef _INT8_T
+ #define _INT8_T
+ #endif
+ #ifndef _INT16_T
+ #define _INT16_T
+ #endif
+ #ifndef _INT32_T
+ #define _INT32_T
+ #endif
+
+ #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
+
+ /* Some systems have guard macros to prevent redefinitions, define them. */
+ #ifndef _INT8_T
+ #define _INT8_T
+ #endif
+ #ifndef _INT16_T
+ #define _INT16_T
+ #endif
+ #ifndef _INT32_T
+ #define _INT32_T
+ #endif
+ #ifndef _UINT8_T
+ #define _UINT8_T
+ #endif
+ #ifndef _UINT16_T
+ #define _UINT16_T
+ #endif
+ #ifndef _UINT32_T
+ #define _UINT32_T
+ #endif
+EOF
+fi
+
+# ------------- done basic int types, emit int64_t types ------------
+if test "$ac_cv_type_uint64_t" = yes; then
+ sed 's/^ *//' >> tmp-stdint.h <<EOF
+
+ /* system headers have good uint64_t and int64_t */
+ #ifndef _INT64_T
+ #define _INT64_T
+ #endif
+ #ifndef _UINT64_T
+ #define _UINT64_T
+ #endif
+EOF
+elif test "$ac_cv_type_u_int64_t" = yes; then
+ sed 's/^ *//' >> tmp-stdint.h <<EOF
+
+ /* system headers have an u_int64_t (and int64_t) */
+ #ifndef _INT64_T
+ #define _INT64_T
+ #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
+
+ /* architecture has a 64-bit type, $acx_cv_type_int64_t */
+ #ifndef _INT64_T
+ #define _INT64_T
+ typedef $acx_cv_type_int64_t int64_t;
+ #endif
+ #ifndef _UINT64_T
+ #define _UINT64_T
+ #ifndef __uint64_t_defined
+ #define __uint64_t_defined
+ typedef unsigned $acx_cv_type_int64_t uint64_t;
+ #endif
+ #endif
+EOF
+else
+ sed 's/^ *//' >> tmp-stdint.h <<EOF
+
+ /* some common heuristics for int64_t, using compiler-specific tests */
+ #if defined __STDC_VERSION__ && (__STDC_VERSION__-0) >= 199901L
+ #ifndef _INT64_T
+ #define _INT64_T
+ #ifndef __int64_t_defined
+ typedef long long int64_t;
+ #endif
+ #endif
+ #ifndef _UINT64_T
+ #define _UINT64_T
+ typedef unsigned long long uint64_t;
+ #endif
+
+ #elif defined __GNUC__ && defined (__STDC__) && __STDC__-0
+ /* NextStep 2.0 cc is really gcc 1.93 but it defines __GNUC__ = 2 and
+ does not implement __extension__. But that compiler doesn't define
+ __GNUC_MINOR__. */
+ # if __GNUC__ < 2 || (__NeXT__ && !__GNUC_MINOR__)
+ # define __extension__
+ # endif
+
+ # ifndef _INT64_T
+ # define _INT64_T
+ __extension__ typedef long long int64_t;
+ # endif
+ # ifndef _UINT64_T
+ # define _UINT64_T
+ __extension__ typedef unsigned long long uint64_t;
+ # endif
+
+ #elif !defined __STRICT_ANSI__
+ # if defined _MSC_VER || defined __WATCOMC__ || defined __BORLANDC__
+
+ # ifndef _INT64_T
+ # define _INT64_T
+ typedef __int64 int64_t;
+ # endif
+ # ifndef _UINT64_T
+ # define _UINT64_T
+ typedef unsigned __int64 uint64_t;
+ # endif
+ # endif /* compiler */
+
+ #endif /* ANSI version */
+EOF
+fi
+
+# ------------- done int64_t types, emit intptr types ------------
+if test "$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
+
+# ------------- done intptr types, emit int_least types ------------