- Moved Exiv2 cmake file to cmake/modules and use it in the global

CMakeLists.txt file.
- if Exiv2 is found, enable compilation of Gwenview.

svn path=/trunk/KDE/kdegraphics/cmake/modules/; revision=671832

cmake/modules/FindExiv2.cmake

@@ -0,0 +1,73 @@
+# - Try to find the Exiv2 library
+# Once done this will define
+#
+#  EXIV2_FOUND - system has EXIV2
+#  EXIV2_INCLUDE_DIR - the EXIV2 include directory
+#  EXIV2_LIBRARIES - Link these to use EXIV2
+#  EXIV2_DEFINITIONS - Compiler switches required for using EXIV2
+
+# Copyright (c) 2007, Aurelien Gateau, <aurelien.gateau@free.fr>
+# Based on FindIMLIB.cmake
+# Copyright (c) 2006, Dirk Mueller, <mueller@kde.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+IF (DEFINED CACHED_EXIV2)
+
+  # in cache already
+  IF ("${CACHED_EXIV2}" STREQUAL "YES")
+    SET(EXIV2_FOUND TRUE)
+  ENDIF ("${CACHED_EXIV2}" STREQUAL "YES")
+
+ELSE (DEFINED CACHED_EXIV2)
+
+IF (NOT WIN32)
+  # use pkg-config to get the directories and then use these values
+  # in the FIND_PATH() and FIND_LIBRARY() calls
+  INCLUDE(UsePkgConfig)
+  
+  PKGCONFIG(exiv2 _EXIV2IncDir _EXIV2LinkDir _EXIV2LinkFlags _EXIV2Cflags)
+  
+  set(EXIV2_DEFINITIONS ${_EXIV2Cflags})
+ENDIF (NOT WIN32) 
+
+  FIND_PATH(EXIV2_INCLUDE_DIR exiv2/exiv2_version.h
+    ${_EXIV2IncDir}
+    /usr/include
+    /usr/local/include
+  )
+  
+  FIND_LIBRARY(EXIV2_LIBRARIES NAMES exiv2 libexiv2
+    PATHS
+    ${_EXIV2LinkDir}
+    /usr/lib
+    /usr/local/lib
+  )
+
+  if (EXIV2_INCLUDE_DIR AND EXIV2_LIBRARIES)
+     SET(EXIV2_FOUND true)
+  endif (EXIV2_INCLUDE_DIR AND EXIV2_LIBRARIES)
+ 
+  if (EXIV2_FOUND)
+    set(CACHED_EXIV2 "YES")
+    if (NOT EXIV2_FIND_QUIETLY)
+      message(STATUS "Found EXIV2: ${EXIV2_LIBRARIES}")
+    endif (NOT EXIV2_FIND_QUIETLY)
+  else (EXIV2_FOUND)
+    set(CACHED_EXIV2 "NO")
+    if (NOT EXIV2_FIND_QUIETLY)
+      message(STATUS "didn't find EXIV2")
+    endif (NOT EXIV2_FIND_QUIETLY)
+    if (EXIV2_FIND_REQUIRED)
+      message(FATAL_ERROR "Could NOT find EXIV2")
+    endif (EXIV2_FIND_REQUIRED)
+  endif (EXIV2_FOUND)
+  
+  MARK_AS_ADVANCED(EXIV2_INCLUDE_DIR EXIV2_LIBRARIES)
+  
+  set(CACHED_EXIV2 ${CACHED_EXIV2} CACHE INTERNAL "If libexiv2 was checked")
+
+ENDIF (DEFINED CACHED_EXIV2)
+