From eef42a0de6764628187263aca4a6cbabb6592501 Mon Sep 17 00:00:00 2001
From: Rolf Eike Beer <kde@opensource.sf-tec.de>
Date: Sun, 1 Dec 2013 16:53:46 +0100
Subject: ProcessorCount: make it work on Haiku

---
 Modules/ProcessorCount.cmake | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Modules/ProcessorCount.cmake b/Modules/ProcessorCount.cmake
index 22ee776..0fe0b32 100644
--- a/Modules/ProcessorCount.cmake
+++ b/Modules/ProcessorCount.cmake
@@ -182,6 +182,20 @@ function(ProcessorCount var)
     endif()
   endif()
 
+  if(NOT count)
+    # Haiku
+    find_program(ProcessorCount_cmd_sysinfo sysinfo)
+    if(ProcessorCount_cmd_sysinfo)
+      execute_process(COMMAND ${ProcessorCount_cmd_sysinfo}
+        ERROR_QUIET
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        OUTPUT_VARIABLE sysinfo_X_output)
+      string(REGEX MATCHALL "\nCPU #[0-9]+:" procs "\n${sysinfo_X_output}")
+      list(LENGTH procs count)
+      #message("ProcessorCount: trying sysinfo '${ProcessorCount_cmd_sysinfo}'")
+    endif()
+  endif()
+
   # Since cygwin builds of CMake do not define WIN32 anymore, but they still
   # run on Windows, and will still have this env var defined:
   #
-- 
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