made ccm26ToFoam build conditional on ThirdParty library

applications/utilities/mesh/conversion/Optional/Allwmake

+#!/bin/sh
+# Build optional components (eg, may depend on third-party libraries)
+set -x
+
+# if the library exists, assume there are headers too
+if [ -e $FOAM_LIBBIN/libccmio.so ]
+then
+   wmake ccm26ToFoam
+fi
+
+# end

applications/utilities/mesh/conversion/Optional/ccm26ToFoam/Allwmake

-#!/bin/sh
-set -x
-
-wmake ccm26ToFoam

applications/utilities/mesh/conversion/Optional/ccm26ToFoam/ccm26ToFoam/Make/options → applications/utilities/mesh/conversion/Optional/ccm26ToFoam/Make/options

+thirdParty=$(WM_PROJECT_INST_DIR)/ThirdParty
+
 EXE_INC = \
     -I$(LIB_SRC)/finiteVolume/lnInclude \
     -I$(LIB_SRC)/meshTools/lnInclude \
-    -I$(LIB_SRC)/other/libccmio \
-    -I$(LIB_SRC)/other/libccmio/libccmio/lnInclude
+    -I$(thirdParty)/libccmio \
+    -I$(thirdParty)/libccmio/lnInclude
 
 EXE_LIBS = \
     -lfiniteVolume \
     -lmeshTools \
-    -lccmio \
-    -ladf
+    -lccmio