From 0a3cf365418e4ac9a8d7c1d1069740743673a09a Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@collectd.org>
Date: Thu, 11 Jun 2015 14:34:01 +0100
Subject: [PATCH] configure.ac: Ask users to build 64-bit Solaris binaries.

By default, the compilers will build 32-bit binaries on Solaris. This is
sub-optimal for us, for example reading /proc entries for 64-bit
processes doesn't work when collectd is 32-bit.

Fixes: #1077
---
 configure.ac | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/configure.ac b/configure.ac
index 461f24c1..64609651 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,7 +113,20 @@ if test "x$ac_system" = "xSolaris"
 then
 	AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Define to enforce POSIX thread semantics under Solaris.])
 	AC_DEFINE(_REENTRANT,               1, [Define to enable reentrancy interfaces.])
+
+	AC_MSG_CHECKING([whether compiler builds 64bit binaries])
+	AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
+			   #ifndef _LP64
+			   # error "Compiler not in 64bit mode."
+			   #endif
+			   ])],
+			   [AC_MSG_RESULT([yes])],
+			   [
+			    AC_MSG_RESULT([no])
+			    AC_MSG_NOTICE([Solaris detected. Please consider building a 64-bit binary.])
+			   ])
 fi
+
 if test "x$ac_system" = "xAIX"
 then
 	AC_DEFINE(_THREAD_SAFE_ERRNO, 1, [Define to use the thread-safe version of errno under AIX.])
@@ -394,18 +407,6 @@ AC_CHECK_HEADERS(sys/swap.h vm/anon.h, [], [have_sys_swap_h="no"],
 #endif
 ])
 
-if test "x$have_sys_swap_h$ac_system" = "xnoSolaris"
-then
-	hint_64=""
-	if test "x$GCC" = "xyes"
-	then
-		hint_64="CFLAGS='-m64'"
-	else
-		hint_64="CFLAGS='-xarch=v9'"
-	fi
-	AC_MSG_NOTICE([Solaris detected and sys/swap.h not usable. Try building a 64-bit binary ($hint_64 ./configure).])
-fi
-
 # For load module
 # For the processes plugin
 # For users module
-- 
2.11.0