From 136326a3ccded5e4f2944c38825f2a21d11aa58e Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@leeloo.lan.home.verplant.org>
Date: Fri, 6 Jun 2008 12:32:13 +0200
Subject: [PATCH] src/collectd.h: Try even harder to determine endianess.

NexentaStor 1.0.2 doesn't have <endian.h>, for example :/
---
 configure.in   |  2 +-
 src/collectd.h | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index 93375237..e51bbd7a 100644
--- a/configure.in
+++ b/configure.in
@@ -57,7 +57,7 @@ AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
 AC_HEADER_DIRENT
 
-AC_CHECK_HEADERS(stdint.h stdio.h errno.h math.h stdarg.h syslog.h fcntl.h signal.h assert.h sys/types.h sys/socket.h sys/select.h poll.h netdb.h arpa/inet.h sys/resource.h sys/param.h kstat.h regex.h sys/ioctl.h endian.h)
+AC_CHECK_HEADERS(stdint.h stdio.h errno.h math.h stdarg.h syslog.h fcntl.h signal.h assert.h sys/types.h sys/socket.h sys/select.h poll.h netdb.h arpa/inet.h sys/resource.h sys/param.h kstat.h regex.h sys/ioctl.h endian.h sys/isa_defs.h)
 
 # For ping library
 AC_CHECK_HEADERS(netinet/in_systm.h, [], [],
diff --git a/src/collectd.h b/src/collectd.h
index 411048af..0ccf5336 100644
--- a/src/collectd.h
+++ b/src/collectd.h
@@ -122,8 +122,13 @@
 # endif /* !defined(isnan) */
 #endif /* NAN_ZERO_ZERO */
 
+/* Try really, really hard to determine endianess. Under NexentaStor 1.0.2 this
+ * information is in <sys/isa_defs.h>, possibly some other Solaris versions do
+ * this too.. */
 #if HAVE_ENDIAN_H
 # include <endian.h>
+#elif HAVE_SYS_ISA_DEFS_H
+# include <sys/isa_defs.h>
 #endif
 
 #ifndef BYTE_ORDER
@@ -140,6 +145,26 @@
 #  define BIG_ENDIAN __BIG_ENDIAN
 # endif
 #endif
+#ifndef LITTLE_ENDIAN
+# if defined(_LITTLE_ENDIAN)
+#  define LITTLE_ENDIAN _LITTLE_ENDIAN
+# elif defined(__LITTLE_ENDIAN)
+#  define LITTLE_ENDIAN __LITTLE_ENDIAN
+# endif
+#endif
+#ifndef BYTE_ORDER
+# if defined(BIG_ENDIAN) && !defined(LITTLE_ENDIAN)
+#  undef BIG_ENDIAN
+#  define BIG_ENDIAN 4321
+#  define LITTLE_ENDIAN 1234
+#  define BYTE_ORDER BIG_ENDIAN
+# elif !defined(BIG_ENDIAN) && defined(LITTLE_ENDIAN)
+#  undef LITTLE_ENDIAN
+#  define BIG_ENDIAN 4321
+#  define LITTLE_ENDIAN 1234
+#  define BYTE_ORDER LITTLE_ENDIAN
+# endif
+#endif
 #if !defined(BYTE_ORDER) || !defined(BIG_ENDIAN)
 # error "Cannot determine byte order"
 #endif
-- 
2.30.2