new cmake based configuration

Modules/CMakeDetermineSystem.cmake

@@ -0,0 +1,62 @@
+# This module is used by the Makefile generator to determin the following variables:
+# CMAKE_SYSTEM_NAME - on unix this is uname -s, for windows it is Windows
+# CMAKE_SYSTEM_VERSION - on unix this is uname -r, for windows it is empty
+# CMAKE_SYSTEM - ${CMAKE_SYSTEM}-${CMAKE_SYSTEM_VERSION}, for windows: ${CMAKE_SYSTEM}
+#
+#  Expected uname -s output:
+#
+# AIX                           AIX  
+# BSD/OS                        BSD/OS  
+# FreeBSD                       FreeBSD  
+# HP-UX                         HP-UX  
+# IRIX                          IRIX  
+# Linux                         Linux  
+# NetBSD                        NetBSD  
+# OpenBSD                       OpenBSD  
+# OFS/1 (Digital Unix)          OSF1  
+# SCO OpenServer 5              SCO_SV  
+# SCO UnixWare 7                UnixWare  
+# SCO UnixWare (pre release 7)  UNIX_SV  
+# SCO XENIX                     Xenix  
+# Solaris                       SunOS  
+# SunOS                         SunOS  
+# Tru64                         Tru64  
+# Ultrix                        ULTRIX  
+# cygwin                        CYGWIN_NT-5.1
+# MacOSX                        Darwin
+  
+IF(UNIX)
+  FIND_PROGRAM(CMAKE_UNAME uname /bin /usr/bin /usr/local/bin )
+  IF(CMAKE_UNAME)
+    EXEC_PROGRAM(uname ARGS -s OUTPUT_VARIABLE CMAKE_SYSTEM_NAME)
+    EXEC_PROGRAM(uname ARGS -r OUTPUT_VARIABLE CMAKE_SYSTEM_VERSION)
+    SET(CMAKE_UNAME ${CMAKE_UNAME} CACHE INTERNAL "uname command")
+  ENDIF(CMAKE_UNAME)
+ELSE(UNIX)
+  IF(WIN32)
+    SET (CMAKE_SYSTEM_NAME "Windows")
+    SET (CMAKE_SYSTEM_VERSION "")
+  ENDIF(WIN32)
+ENDIF(UNIX)
+
+IF(NOT CMAKE_SYSTEM_NAME)
+  SET(CMAKE_SYSTEM_NAME "UnknownOS")
+ENDIF(NOT CMAKE_SYSTEM_NAME)
+
+# fix for BSD/OS , remove the /
+IF(CMAKE_SYSTEM_NAME MATCHES BSD.OS)
+  SET(CMAKE_SYSTEM_NAME BSDOS)
+ENDIF(CMAKE_SYSTEM_NAME MATCHES BSD.OS)
+
+# fix for CYGWIN which has windows version in it 
+IF(CMAKE_SYSTEM_NAME MATCHES CYGWIN)
+  SET(CMAKE_SYSTEM_NAME CYGWIN)
+ENDIF(CMAKE_SYSTEM_NAME MATCHES CYGWIN)
+
+# set CMAKE_SYSTEM to the CMAKE_SYSTEM_NAME
+SET(CMAKE_SYSTEM  ${CMAKE_SYSTEM_NAME})
+# if there is a CMAKE_SYSTEM_VERSION then add a -${CMAKE_SYSTEM_VERSION}
+IF(CMAKE_SYSTEM_VERSION)
+  SET(CMAKE_SYSTEM ${CMAKE_SYSTEM}-${CMAKE_SYSTEM_VERSION})
+ENDIF(CMAKE_SYSTEM_VERSION)
+