Added pdal optional dependency (export to LAS, E57, ...)

CMakeLists.txt

@@ -165,6 +165,7 @@ ENDIF()
 option(WITH_ORB_OCTREE    "Include ORB Octree feature support"   ON)
 option(WITH_SUPERPOINT_TORCH  "Include SuperPoint Torch feature support"   ON)
 option(WITH_PYMATCHER     "Include Python3 matchers support"     OFF)
+option(WITH_PDAL          "Include PDAL support"                 ON)
 option(WITH_FREENECT      "Include Freenect support"             ON)
 option(WITH_FREENECT2     "Include Freenect2 support"            ON)
 option(WITH_K4W2          "Include Kinect for Windows v2 support" ON)
@@ -336,6 +337,13 @@ IF(WITH_PYMATCHER)
     ENDIF(Python3_FOUND)
 ENDIF(WITH_PYMATCHER)
 
+IF(WITH_PDAL)
+    FIND_PACKAGE(PDAL QUIET)
+    IF(PDAL_FOUND)
+       MESSAGE(STATUS "Found PDAL ${PDAL_VERSION}: ${PDAL_INCLUDE_DIRS}")
+    ENDIF(PDAL_FOUND)
+ENDIF(WITH_PDAL)
+
 IF(WITH_FREENECT)
     FIND_PACKAGE(Freenect QUIET)
     IF(Freenect_FOUND)
@@ -730,6 +738,9 @@ ENDIF(NOT libpointmatcher_FOUND)
 IF(NOT FastCV_FOUND)
    SET(FASTCV "//")
 ENDIF(NOT FastCV_FOUND)
+IF(NOT PDAL_FOUND)
+   SET(PDAL "//")
+ENDIF(NOT PDAL_FOUND)
 IF(NOT loam_velodyne_FOUND)
    SET(LOAM "//")
 ENDIF(NOT loam_velodyne_FOUND)
@@ -1132,6 +1143,14 @@ ELSE()
 MESSAGE(STATUS "  With FastCV               = NO (FastCV not found)")
 ENDIF()
 
+IF(PDAL_FOUND)
+MESSAGE(STATUS "  With PDAL                 = YES (License: BSD)")
+ELSEIF(NOT WITH_PDAL)
+MESSAGE(STATUS "  With PDAL                 = NO (WITH_PDAL=OFF)")
+ELSE()
+MESSAGE(STATUS "  With PDAL                 = NO (PDAL not found)")
+ENDIF()
+
 MESSAGE(STATUS "")
 MESSAGE(STATUS " Solvers:")
 IF(WITH_TORO)