* configure: add to config.h the type double_intptr_t, which

is twice the size of intptr_t. It may not be available, so
there is a HAVE_ macro to detect it.

2 files changed, 18 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index e9380e95..ef62f3a7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2011-12-10  Kaz Kylheku  <kaz@kylheku.com>
 
+	* configure: add to config.h the type double_intptr_t, which
+	is twice the size of intptr_t. It may not be available, so
+	there is a HAVE_ macro to detect it.
+
+2011-12-10  Kaz Kylheku  <kaz@kylheku.com>
+
 	* eval.c (eval_init): New functions added as intrinsics.
 
 	* hash.c (hash_eql, hash_equal): New external functions.
diff --git a/configure b/configure
index 45804f50..3520af2b 100755
--- a/configure
+++ b/configure
@@ -769,6 +769,18 @@ intptr_max_expr="((((($intptr) 1 << $((SIZEOF_PTR * 8 - 2))) - 1) << 1) + 1)"
 printf "#define INT_PTR_MAX %s\n" "$intptr_max_expr" >> config.h
 printf "#define INT_PTR_MIN (-INT_PTR_MAX)\n" >> config.h
 
+if [ -n "$longlong" ] && [ $SIZEOF_LONGLONG_T -eq $(( 2 * $SIZEOF_PTR )) ] 
+then
+  printf "#define HAVE_DOUBLE_INTPTR_T 1\n" >> config.h
+  printf "typedef longlong_t double_intptr_t;\n" >> config.h
+elif [ -n "$superlong" ] && [ $SIZEOF_SUPERLONG_T -eq $(( 2 * $SIZEOF_PTR )) ]
+then
+  printf "#define HAVE_DOUBLE_INTPTR_T 1\n" >> config.h
+  printf "typedef superlong_t double_intptr_t;\n" >> config.h
+fi
+
+#if HAVE_LONGLONG_T && 
+
 #
 # Alignment of wchar_t
 #