improve comments re proj_lib in nmake.opt (#50)

git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@1628 4e78687f-474d-0410-85f9-8d5e500ac6b2

2 files changed, 10 insertions, 7 deletions

diff --git a/ChangeLog b/ChangeLog
index 8a1214d3..e8cf3001 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2009-09-23  Frank Warmerdam  <warmerdam@pobox.com>
 
+	* nmake.opt: improve comments (#50).
+
 	* nad/epsg: regenerated - use more symbolic ellipsoid/datum names, and
 	fix EPSG 3857 and 3785 (#51).
 
diff --git a/nmake.opt b/nmake.opt
index 1f544a16..9ec189ea 100644
--- a/nmake.opt
+++ b/nmake.opt
@@ -1,13 +1,14 @@
 # Directory tree where PROJ will be installed.
 INSTDIR=C:\PROJ
 
-#
-# Set the following to the directory where the PROJ distribution 
-# data files (ie, the contents of ..\NAD).  The following assumes
-# the PROJ distribution is unpacked as C:\PROJ, which generally must
-# be adjusted.  It is also possible to leave this, and define the
-# PROJ_LIB environment variable to point to the NAD directory.
-#
+# Set the following to the directory where the PROJ distribution data files
+# (ie, the contents of ..\NAD) are to be installed.  It is possible to later
+# move the data files to another directory, and define the PROJ_LIB
+# environment variable to point to that directory.  It is also possible to
+# have PROJ_LIB name the original NAD directory of the unpacked PROJ
+# distribution.  Any setting of the PROJ_LIB environment variable takes
+# precedence at runtime over the setting of the PROJ_LIB_DIR macro stored in
+# the compiled software.
 PROJ_LIB_DIR=$(INSTDIR)\SHARE
 
 # Uncomment the first for an optimized build, or the second for debug.