r.in.pdal: use NoFileWriter class for PDAL > 2.7.0 (fixes #3552) (#3567)

Starting from PDAL 2.7.0 filename is mandatory for Writer class, but
there is a NoFileWriter class that maintains old behavior.
PDAL/PDAL#4342

---------

Co-authored-by: Nicklas Larsson <n_larsson@yahoo.com>

configure

@@ -9377,42 +9377,55 @@ pdal::PointTable table;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
 
+if ac_fn_cxx_try_link "$LINENO"
+then :
+  PDAL_LIBS="$PDAL_LIBS"
 else
 
+  as_fn_error $? "*** Unable to locate suitable (>=1.7.1) PDAL library." "$LINENO" 5
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+
+$as_echo "#define HAVE_PDAL 1" >>confdefs.h
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to use PDAL NoFilenameWriter" >&5
+printf %s "checking whether to use PDAL NoFilenameWriter... " >&6; }
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <pdal/PointTable.hpp>
-  #include <pdal/Streamable.hpp>
-  class St:public pdal::Streamable {};
+#include <pdal/Writer.hpp>
+  class St:public pdal::NoFilenameWriter {};
 int
-main ()
+main (void)
 {
-pdal::PointTable table;
+
+  class NFWTest : public pdal::NoFilenameWriter {};
+
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
-  PDAL_LIBS="$PDAL_LIBS"
-else
+if ac_fn_cxx_try_link "$LINENO"
+then :
 
-  as_fn_error $? "*** Unable to locate suitable (>=1.7.1) PDAL library." "$LINENO" 5
 
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+printf "%s\n" "#define HAVE_PDAL_NOFILENAMEWRITER 1" >>confdefs.h
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
+
   LIBS=${ac_save_libs}
   CFLAGS=${ac_save_cflags}
-
-
-$as_echo "#define HAVE_PDAL 1" >>confdefs.h
-
 fi
 
 

configure.ac

@@ -1059,17 +1059,25 @@ else
   CFLAGS="$CFLAGS $PDAL_CFLAGS"
   AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pdal/PointTable.hpp>
   #include <pdal/Streamable.hpp>
-  class St:public pdal::Streamable {};]], [[pdal::PointTable table;]])],[],[
-  AC_TRY_LINK([#include <pdal/PointTable.hpp>
-  #include <pdal/Streamable.hpp>
-  class St:public pdal::Streamable {};],[pdal::PointTable table;],PDAL_LIBS="$PDAL_LIBS",[
+  class St:public pdal::Streamable {};]], [[pdal::PointTable table;]])],
+  [PDAL_LIBS="$PDAL_LIBS"],[
   AC_MSG_ERROR([*** Unable to locate suitable (>=1.7.1) PDAL library.])
   ])
-  ])
+
+  AC_DEFINE(HAVE_PDAL, 1, [Define to 1 if PDAL exists.])
+
+  AC_MSG_CHECKING(whether to use PDAL NoFilenameWriter)
+  AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pdal/Writer.hpp>
+  class St:public pdal::NoFilenameWriter {};]], [[
+  class NFWTest : public pdal::NoFilenameWriter {};
+  ]])],
+  [
+    AC_DEFINE(HAVE_PDAL_NOFILENAMEWRITER, 1, [Define to 1 if PDAL NoFilenameWriter is present.])
+    AC_MSG_RESULT(yes)
+  ],[AC_MSG_RESULT(no)])
+
   LIBS=${ac_save_libs}
   CFLAGS=${ac_save_cflags}
-
-  AC_DEFINE(HAVE_PDAL, 1, [Define to 1 if PDAL is to be used.])
 fi
 
 AC_SUBST(PDAL_LIBS)

include/grass/config.h.in

@@ -155,7 +155,10 @@
 /* Define to 1 if PDAL is to be used. */
 #undef HAVE_PDAL
 
-/* define if glXCreateGLXPixmap exists */
+/* Define to 1 if PDAL NoFilenameWriter is present. */
+#undef HAVE_PDAL_NOFILENAMEWRITER
+
+/* Define to 1 if glXCreateGLXPixmap exists. */
 #undef HAVE_PIXMAPS
 
 /* Define to 1 if you have the <png.h> header file. */

raster/r.in.pdal/grassrasterwriter.h

@@ -32,7 +32,12 @@ extern "C" {
 #include <pdal/Writer.hpp>
 
 /* Binning code wrapped as a PDAL Writer class */
+#ifdef HAVE_PDAL_NOFILENAMEWRITER
+class GrassRasterWriter : public pdal::NoFilenameWriter,
+                          public pdal::Streamable {
+#else
 class GrassRasterWriter : public pdal::Writer, public pdal::Streamable {
+#endif
 public:
     GrassRasterWriter() : n_processed(0) {}