diff --git a/cmake/FindGDAL.cmake b/cmake/FindGDAL.cmake
index ce35fd47de7..702c5be327b 100644
--- a/cmake/FindGDAL.cmake
+++ b/cmake/FindGDAL.cmake
@@ -17,9 +17,17 @@ IF(WIN32)
   
 ELSE(WIN32)
   IF(UNIX) 
+
+    # try to use framework on mac
+    IF (APPLE)
+      SET (GDAL_MAC_PATH /Library/Frameworks/GDAL.framework/unix/bin)
+    ENDIF (APPLE)
+
     SET(GDAL_CONFIG_PREFER_PATH "$ENV{GDAL_HOME}/bin" CACHE STRING "preferred path to GDAL (gdal-config)")
     FIND_PROGRAM(GDAL_CONFIG gdal-config
       ${GDAL_CONFIG_PREFER_PATH}
+      ${GDAL_MAC_PATH}
+      /usr/local/bin/
       /usr/bin/
       )
     # MESSAGE("DBG GDAL_CONFIG ${GDAL_CONFIG}")
diff --git a/cmake/FindGRASS.cmake b/cmake/FindGRASS.cmake
index 8dd39f260e2..2c549948704 100644
--- a/cmake/FindGRASS.cmake
+++ b/cmake/FindGRASS.cmake
@@ -41,6 +41,11 @@ ENDMACRO (CHECK_GRASS)
 # list of paths which to search - user's choice as first
 SET (GRASS_PATHS ${GRASS_PREFIX} /usr/lib/grass)
 
+# mac-specific path
+IF (APPLE)
+  SET (GRASS_PATHS ${GRASS_PATHS} /Applications/GRASS.app/Contents/Resources)
+ENDIF (APPLE)
+
 IF (WITH_GRASS)
 
   FOREACH (G_PREFIX ${GRASS_PATHS})
diff --git a/cmake/FindGSL.cmake b/cmake/FindGSL.cmake
index 04abd0530bc..1fa42abe4ae 100644
--- a/cmake/FindGSL.cmake
+++ b/cmake/FindGSL.cmake
@@ -25,7 +25,7 @@
 
 IF(WIN32)
 
-  SET(GSL_PREFIX "" CACHE PATH "Path to GSL directory")
+  SET(GSL_PREFIX "c:/msys/local" CACHE PATH "Path to GSL directory")
 
   FIND_LIBRARY(GSL_LIB gsl PATH ${GSL_PREFIX}/lib)
   FIND_LIBRARY(GSLCBLAS_LIB gslcblas PATH ${GSL_PREFIX}/lib)
@@ -41,6 +41,7 @@ ELSE(WIN32)
     SET(GSL_CONFIG_PREFER_PATH "$ENV{GSL_HOME}/bin" CACHE STRING "preferred path to GSL (gsl-config)")
     FIND_PROGRAM(GSL_CONFIG gsl-config
       ${GSL_CONFIG_PREFER_PATH}
+      /usr/local/bin/
       /usr/bin/
       )
     # MESSAGE("DBG GSL_CONFIG ${GSL_CONFIG}")