From: Jan Andres <jandres@gmx.net>
Date: Sat, 31 Jan 2015 08:43:30 +0000 (+0100)
Subject: processes: Fix build for Solaris 32-bit binary
X-Git-Tag: collectd-5.5.0~25^2~2
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=7f117256e973afd936ee37221a4c588d7b7208ec;p=collectd.git

processes: Fix build for Solaris 32-bit binary

Work around a #error in <sys/procfs.h> that occurs when building a
32-bit binary with _FILE_OFFSET_BITS=64. This uses a hack similar
to the one in swap.c.
---

diff --git a/src/processes.c b/src/processes.c
index fb88a315..f5f293a4 100644
--- a/src/processes.c
+++ b/src/processes.c
@@ -112,7 +112,22 @@
 /* #endif HAVE_PROCINFO_H */
 
 #elif KERNEL_SOLARIS
+/* Hack: Avoid #error when building a 32-bit binary with
+ * _FILE_OFFSET_BITS=64. There is a reason for this #error, as one
+ * of the structures in <sys/procfs.h> uses an off_t, but that
+ * isn't relevant to our usage of procfs. */
+#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
+#  define SAVE_FOB_64
+#  undef _FILE_OFFSET_BITS
+#endif
+
 # include <procfs.h>
+
+#ifdef SAVE_FOB_64
+#  define _FILE_OFFSET_BITS 64
+#  undef SAVE_FOB_64
+#endif
+
 # include <dirent.h>
 /* #endif KERNEL_SOLARIS */