From d56a25e1303343451091b473db4877e312b96c4b Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Mon, 3 Dec 2007 21:04:47 +0000
Subject: [PATCH] ( 5)

From-SVN: r130586
---
 libcpp/ChangeLog    |  6 +++++
 libcpp/config.in    |  3 +++
 libcpp/configure    | 66 +++++++++++++++++++++++++++++++++++++++++++++
 libcpp/configure.ac |  1 +
 4 files changed, 76 insertions(+)

diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 3701c8000a6..b64bfa9d372 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,9 @@
+2007-12-03  Tom Tromey  <tromey@redhat.com>
+
+	PR preprocessor/34288:
+	* configure.ac, config.in: Rebuilt.
+	* configure.ac: Check for ssize_t.
+
 2007-11-30  Tom Tromey  <tromey@redhat.com>
 
 	PR preprocessor/32868:
diff --git a/libcpp/config.in b/libcpp/config.in
index 2b05ba0c401..5d52ec12210 100644
--- a/libcpp/config.in
+++ b/libcpp/config.in
@@ -280,3 +280,6 @@
 
 /* Define to `unsigned' if <sys/types.h> does not define. */
 #undef size_t
+
+/* Define to `int' if <sys/types.h> does not define. */
+#undef ssize_t
diff --git a/libcpp/configure b/libcpp/configure
index 82fd6b55f49..5d70aed0487 100755
--- a/libcpp/configure
+++ b/libcpp/configure
@@ -4114,6 +4114,72 @@ _ACEOF
 
 fi
 
+echo "$as_me:$LINENO: checking for ssize_t" >&5
+echo $ECHO_N "checking for ssize_t... $ECHO_C" >&6
+if test "${ac_cv_type_ssize_t+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if ((ssize_t *) 0)
+  return 0;
+if (sizeof (ssize_t))
+  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_type_ssize_t=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_ssize_t=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_ssize_t" >&5
+echo "${ECHO_T}$ac_cv_type_ssize_t" >&6
+if test $ac_cv_type_ssize_t = yes; then
+  :
+else
+
+cat >>confdefs.h <<_ACEOF
+#define ssize_t int
+_ACEOF
+
+fi
+
 echo "$as_me:$LINENO: checking whether struct tm is in sys/time.h or time.h" >&5
 echo $ECHO_N "checking whether struct tm is in sys/time.h or time.h... $ECHO_C" >&6
 if test "${ac_cv_struct_tm+set}" = set; then
diff --git a/libcpp/configure.ac b/libcpp/configure.ac
index 8a23633f4de..40f62715acd 100644
--- a/libcpp/configure.ac
+++ b/libcpp/configure.ac
@@ -46,6 +46,7 @@ AC_C_INLINE
 AC_FUNC_OBSTACK
 AC_TYPE_OFF_T
 AC_TYPE_SIZE_T
+AC_CHECK_TYPE(ssize_t, int)
 AC_STRUCT_TM
 AC_CHECK_SIZEOF(int)
 AC_CHECK_SIZEOF(long)