Added the possibility to use these libs from non default locations by specifying them in LIB_DIR. Before this change, the presence of the lib in /usr or /usr/local would override command line specified paths

git-svn-id: http://svn.osgeo.org/qgis/trunk@8203 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: timlinux

cmake/FindGEOS.cmake

@@ -7,22 +7,28 @@
 #    GEOS_LIBRARY
 
 
+# Normally there is no need to specify /usr/... paths because 
+# cmake will look there automatically. However the NO_DEFAULT_PATH
+# prevents this behaviour allowing you to use no standard file
+# locations in preference over standard ones. Note in this case
+# you then need to explicitly add /usr and /usr/local prefixes
+# to the search list. This applies both to FIND_PATH and FIND_LIBRARY
 FIND_PATH(GEOS_INCLUDE_DIR geos.h 
+  "$ENV{LIB_DIR}/include"
   /usr/local/include 
   /usr/include 
-  #MSVC
-  "$ENV{LIB_DIR}/include"
   #mingw
   c:/msys/local/include
+  NO_DEFAULT_PATH
   )
 
 FIND_LIBRARY(GEOS_LIBRARY NAMES geos PATHS 
+  "$ENV{LIB_DIR}/lib"
   /usr/local/lib 
   /usr/lib 
-  #MSVC
-  "$ENV{LIB_DIR}/lib"
   #mingw
   c:/msys/local/lib
+  NO_DEFAULT_PATH
   )
 
 IF (GEOS_INCLUDE_DIR AND GEOS_LIBRARY)

cmake/FindProj.cmake

@@ -7,20 +7,28 @@
 #    PROJ_LIBRARY
 
 
+# Normally there is no need to specify /usr/... paths because 
+# cmake will look there automatically. However the NO_DEFAULT_PATH
+# prevents this behaviour allowing you to use no standard file
+# locations in preference over standard ones. Note in this case
+# you then need to explicitly add /usr and /usr/local prefixes
+# to the search list. This applies both to FIND_PATH and FIND_LIBRARY
 FIND_PATH(PROJ_INCLUDE_DIR proj_api.h 
+  "$ENV{LIB_DIR}/include/proj"
+  "$ENV{LIB_DIR}/include"
   /usr/local/include 
   /usr/include 
-  #msvc
-  "$ENV{LIB_DIR}/include/proj"
   #mingw
   c:/msys/local/include
+  NO_DEFAULT_PATH
   )
 
 FIND_LIBRARY(PROJ_LIBRARY NAMES proj PATHS 
+  "$ENV{LIB_DIR}/lib"
   /usr/local/lib 
   /usr/lib 
-  "$ENV{LIB_DIR}/lib"
   c:/msys/local/lib
+  NO_DEFAULT_PATH
   )
 
 IF (PROJ_INCLUDE_DIR AND PROJ_LIBRARY)