Add cmake module for the poppler Qt4 bindings.

svn path=/trunk/KDE/kdegraphics/cmake/modules/; revision=535716

cmake/modules/FindPopplerQt4.cmake

@@ -0,0 +1,46 @@
+# - Try to find the Qt4 binding of the Poppler library
+# Once done this will define
+#
+#  POPPLER_QT4_FOUND - system has poppler-qt4
+#  POPPLER_QT4_INCLUDE_DIR - the poppler-qt4 include directory
+#  POPPLER_QT4_LIBRARIES - Link these to use poppler-qt4
+#  POPPLER_QT4_DEFINITIONS - Compiler switches required for using poppler-qt4
+#
+
+# use pkg-config to get the directories and then use these values
+# in the FIND_PATH() and FIND_LIBRARY() calls
+INCLUDE(UsePkgConfig)
+  
+PKGCONFIG(poppler-qt4 _PopplerQt4IncDir _PopplerQt4LinkDir _PopplerQt4LinkFlags _PopplerQt4Cflags)
+  
+set(POPPLER_QT4_DEFINITIONS ${_PopplerQt4Cflags})
+
+FIND_PATH(POPPLER_QT4_INCLUDE_DIR poppler-qt4.h
+  ${_PopplerQt4IncDir}/poppler
+  /usr/include/poppler
+  /usr/local/include/poppler
+) 
+ 
+FIND_LIBRARY(POPPLER_QT4_LIBRARIES poppler-qt4
+  ${_PopplerQt4LinkDir}
+  /usr/lib
+  /usr/local/lib
+)
+  
+if (POPPLER_QT4_INCLUDE_DIR AND POPPLER_QT4_LIBRARIES)
+  set(POPPLER_QT4_FOUND TRUE)
+else (POPPLER_QT4_INCLUDE_DIR AND POPPLER_QT4_LIBRARIES)
+  set(POPPLER_QT4_FOUND FALSE)
+endif (POPPLER_QT4_INCLUDE_DIR AND POPPLER_QT4_LIBRARIES)
+  
+if (POPPLER_QT4_FOUND)
+  if (NOT POPPLER_QT4_FIND_QUIETLY)
+    message(STATUS "Found poppler-qt4: library: ${POPPLER_QT4_LIBRARIES}, include path: ${POPPLER_QT4_INCLUDE_DIR}")
+  endif (NOT POPPLER_QT4_FIND_QUIETLY)
+else (POPPLER_QT4_FOUND)
+  if (POPPLER_QT4_FIND_REQUIRED)
+    message(FATAL_ERROR "Could NOT find poppler-qt4")
+  endif (POPPLER_QT4_FIND_REQUIRED)
+endif (POPPLER_QT4_FOUND)
+  
+MARK_AS_ADVANCED(POPPLER_QT4_INCLUDE_DIR POPPLER_QT4_LIBRARIES)