Moved find_package(PROJ) into if(WITH_TIFF)

Author: tim-devereux

CMakeLists.txt

@@ -52,7 +52,6 @@ find_package(Eigen3 REQUIRED)
 find_package(libnabo REQUIRED)
 find_package(OpenMP REQUIRED)
 find_package(Threads)
-find_package(PROJ REQUIRED COMPONENTS proj)
 
 set(RAYTOOLS_INCLUDE ${EIGEN3_INCLUDE_DIRS} ${libnabo_INCLUDE_DIRS})
 set(RAYTOOLS_LINK ${libnabo_LIBRARIES} Threads::Threads)
@@ -76,6 +75,7 @@ if(WITH_QHULL)
 endif(WITH_QHULL)
 if(WITH_TIFF)
   find_package(GeoTIFF REQUIRED)
+  find_package(PROJ REQUIRED COMPONENTS proj)
   list(APPEND RAYTOOLS_INCLUDE ${GEOTIFF_INCLUDE_DIR})
   list(APPEND RAYTOOLS_LINK ${GEOTIFF_LIBRARIES})
   find_package(TIFF REQUIRED)