fixes build issues (#486)

CMakeLists.txt

@@ -95,12 +95,6 @@ else()
     message(SEND_ERROR "sqlite3 dependency not found!")
   endif()
 
-  # Would build and run with older versions, but with horrible performance
-  # See https://github.com/OSGeo/PROJ/issues/1718
-  if("${SQLITE3_VERSION}" VERSION_LESS "3.11")
-    message(SEND_ERROR "sqlite3 >= 3.11 required!")
-  endif()
-
   include(ProjUtilities)
   include(Ccache)
   ################################################################################

README.md

@@ -122,7 +122,7 @@ USGSCSM uses a standard cmake build system. To compile the library and
 tests use the following commands:
 
 1. `mkdir build && cd build`
-2. `cmake .. && cmake --build .`
+2. `cmake -DUSGSCSM_EXTERNAL_DEPS=OFF -DUSGSCSM_BUILD_DOCS=OFF .. && cmake --build .`
 
 If you are using external dependencies via Conda or system level installations
 add the `-DUSGSCSM_EXTERNAL_DEPS=ON` flag to the cmake command.

environment.yml

@@ -10,3 +10,4 @@ dependencies:
   - eigen
   - nlohmann_json
   - proj
+  - sqlite>=3.11