Makefile.adalib: Clarify step 3 (use of gnat.adc) as it causes more confusion than it solves.

	* Makefile.adalib: Clarify step 3 (use of gnat.adc) as it causes
	more confusion than it solves.

From-SVN: r47630

gcc/ada/ChangeLog

+2001-12-04  Arnaud Charlet <charlet@gnat.com>
+
+	* Makefile.adalib: Clarify step 3 (use of gnat.adc) as it causes 
+	more confusion than it solves.
+
 2001-12-04  Geert bosch <bosch@gnat.com>
 
 	* einfo.h, nmake.adb, nmake.ads, sinfo.h treeprs.ads: Regenerate.

gcc/ada/Makefile.adalib

@@ -12,9 +12,11 @@
 # 2. Copy this Makefile from the standard Adalib directory, e.g.
 #    $ cp /usr/local/gnat/lib/gcc-lib/<target>/2.8.1/adalib/Makefile.adalib .
 #
-# 3. Copy or create a gnat.adc containing the configuration pragmas
-#    you want to use to build the library
-#    e.g. $ cp ~/gnat.adc gnat.adc
+# 3. If needed (e.g for pragma Normalize_Scalars), create a gnat.adc
+#    containing the configuration pragmas you want to use to build the library
+#    e.g. $ echo pragma Normalize_Scalars; > gnat.adc
+#    Note that this step is usually not needed, and most pragmas are not
+#    relevant to the GNAT run time. 
 #          
 # 4. Determine the values of the following MACROS
 #      ROOT   (location of GNAT installation, e.g /usr/local)