FindProj.cmake: ban PROJ 6.3.0

It has been found to causes crashes when running msautotest

Author: rouault

cmake/FindProj.cmake

@@ -27,6 +27,11 @@ IF (PROJ_FOUND)
      STRING(REGEX REPLACE "^.*PROJ_VERSION_PATCH +([0-9]+).*$" "\\1" PROJ_VERSION_PATCH "${proj_version}")
 
      MESSAGE(STATUS "Found Proj ${PROJ_VERSION_MAJOR}.${PROJ_VERSION_MINOR}")
+
+     IF ((PROJ_VERSION_MAJOR EQUAL 6) AND (PROJ_VERSION_MINOR EQUAL 3) AND (PROJ_VERSION_PATCH EQUAL 0))
+        MESSAGE (FATAL_ERROR "MapServer known to crash with PROJ 6.3.0. Use 6.3.1 or higher.")
+     ENDIF ((PROJ_VERSION_MAJOR EQUAL 6) AND (PROJ_VERSION_MINOR EQUAL 3) AND (PROJ_VERSION_PATCH EQUAL 0))
+
      ADD_DEFINITIONS(-DPROJ_VERSION_MAJOR=${PROJ_VERSION_MAJOR})
   ELSE()
      MESSAGE(STATUS "Found Proj 4.x")