From eb1f90d89c8b78ee40184500eef0fd8b5396e790 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luis=20Pe=C3=B1aranda?= <penarand@loria.fr>
Date: Mon, 4 Apr 2011 10:45:49 +0000
Subject: [PATCH] print RS version while configuring

---
 Installation/cmake/modules/CGAL_UseRS.cmake | 17 +++++++++++++++++
 Installation/cmake/modules/FindRS.cmake     |  4 ++--
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/Installation/cmake/modules/CGAL_UseRS.cmake b/Installation/cmake/modules/CGAL_UseRS.cmake
index 544a4392229..b4cdaa7dcd2 100644
--- a/Installation/cmake/modules/CGAL_UseRS.cmake
+++ b/Installation/cmake/modules/CGAL_UseRS.cmake
@@ -37,6 +37,23 @@ if( NOT CGAL_RS_SETUP )
       add_definitions( ${RS_DEFINITIONS} "-DCGAL_USE_RS3" )
       link_libraries( ${RS3_LIBRARIES} )
 
+      # extract RS3 version from the file rsversion.h (based on Fernando
+      # Cacciola's code for FindBoost.cmake)
+      if(EXISTS "${RS3_INCLUDE_DIR}/rsversion.h")
+        FILE(READ "${RS3_INCLUDE_DIR}/rsversion.h" _rsversion_h_CONTENTS)
+        STRING(REGEX REPLACE ".*#define[ \t]+rs_major[ \t]+([0-9]+).*"
+                             "\\1" RS3_MAJOR "${_rsversion_h_CONTENTS}")
+        STRING(REGEX REPLACE ".*#define[ \t]+rs_middle[ \t]+([0-9]+).*"
+                             "\\1" RS3_MIDDLE "${_rsversion_h_CONTENTS}")
+        STRING(REGEX REPLACE ".*#define[ \t]+rs_minor[ \t]+([0-9]+).*"
+                             "\\1" RS3_MINOR "${_rsversion_h_CONTENTS}")
+        SET(RS3_LIB_VERSION "${RS3_MAJOR}.${RS3_MIDDLE}.${RS3_MINOR}")
+      else(EXISTS "${RS3_INCLUDE_DIR}/rsversion.h")
+        SET(RS3_LIB_VERSION "unknown")
+      endif(EXISTS "${RS3_INCLUDE_DIR}/rsversion.h")
+
+      message( STATUS "RS version is ${RS3_LIB_VERSION}" )
+
     endif( RS3_FOUND )
 
   endif( RS_FOUND )
diff --git a/Installation/cmake/modules/FindRS.cmake b/Installation/cmake/modules/FindRS.cmake
index 0d2424e65f8..b354ca42795 100644
--- a/Installation/cmake/modules/FindRS.cmake
+++ b/Installation/cmake/modules/FindRS.cmake
@@ -36,8 +36,8 @@ if( MPFI_FOUND )
 
   if(_IS_GMP_VERSION_TO_LOW)
 
-  message( STATUS
-    "RS needs GMP>=4.2. Your GMP version is ${CGAL_GMP_VERSION}." )
+    message( STATUS
+      "RS needs GMP>=4.2. Your GMP version is ${CGAL_GMP_VERSION}." )
 
   else(_IS_GMP_VERSION_TO_LOW)