add FindQGLViewer.cmake

cmake_modules/FindQGLViewer.cmake

+# - Try to find QGLViewer
+# Once done this will define
+#
+#  QGLVIEWER_FOUND - system has QGLViewer
+#  QGLVIEWER_INCLUDE_DIR - the QGLViewer include directory
+#  QGLVIEWER_LIBRARIES - Link these to use QGLViewer
+#  QGLVIEWER_DEFINITIONS - Compiler switches required for using QGLViewer
+#
+
+find_path(QGLVIEWER_INCLUDE_DIR
+          NAMES QGLViewer/qglviewer.h
+          PATHS /usr/include
+                /usr/local/include
+                ENV QGLVIEWERROOT
+         )
+
+find_library(QGLVIEWER_LIBRARY_RELEASE
+             NAMES qglviewer-qt4 qglviewer QGLViewer QGLViewer2
+             PATHS /usr/lib
+                   /usr/local/lib
+                   ENV QGLVIEWERROOT
+                   ENV LD_LIBRARY_PATH
+                   ENV LIBRARY_PATH
+             PATH_SUFFIXES QGLViewer QGLViewer/release
+            )
+
+find_library(QGLVIEWER_LIBRARY_DEBUG
+             NAMES dqglviewer dQGLViewer dQGLViewer2
+             PATHS /usr/lib
+                   /usr/local/lib
+                   ENV QGLVIEWERROOT
+                   ENV LD_LIBRARY_PATH
+                   ENV LIBRARY_PATH
+             PATH_SUFFIXES QGLViewer QGLViewer/debug     
+            )
+
+if(QGLVIEWER_LIBRARY_RELEASE)
+  if(QGLVIEWER_LIBRARY_DEBUG)
+    set(QGLVIEWER_LIBRARIES_ optimized ${QGLVIEWER_LIBRARY_RELEASE} debug ${QGLVIEWER_LIBRARY_DEBUG})
+  else()
+    set(QGLVIEWER_LIBRARIES_ ${QGLVIEWER_LIBRARY_RELEASE})
+  endif()
+
+  set(QGLVIEWER_LIBRARIES ${QGLVIEWER_LIBRARIES_} CACHE FILEPATH "The QGLViewer library")
+
+endif()
+
+IF(QGLVIEWER_INCLUDE_DIR AND QGLVIEWER_LIBRARIES)
+   SET(QGLVIEWER_FOUND TRUE)
+   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DQGLVIEWER_FOUND")
+ENDIF(QGLVIEWER_INCLUDE_DIR AND QGLVIEWER_LIBRARIES)
+
+IF(QGLVIEWER_FOUND)
+  IF(NOT QGLViewer_FIND_QUIETLY)
+    MESSAGE(STATUS "Found QGLViewer: ${QGLVIEWER_LIBRARIES}")
+  ENDIF(NOT QGLViewer_FIND_QUIETLY)
+ELSE(QGLVIEWER_FOUND)
+  IF(QGLViewer_FIND_REQUIRED)
+    MESSAGE(FATAL_ERROR "Could not find QGLViewer")
+  ENDIF(QGLViewer_FIND_REQUIRED)
+ENDIF(QGLVIEWER_FOUND)