[m-rev.] [reuse] diff: when to transitively read in .trans_opt files

[Peter Ross]

Hi,


===================================================================


Estimated hours taken: 0.25
Branches: reuse

compiler/mercury_compile.m:
    Only transitively read in the .trans_opt files when no source files
    have been modified since the last compile.


Index: mercury_compile.m
===================================================================
RCS file: /home/mercury1/repository/mercury/compiler/mercury_compile.m,v
retrieving revision 1.175.2.17
diff -u -r1.175.2.17 mercury_compile.m
--- mercury_compile.m	2001/03/23 11:06:10	1.175.2.17
+++ mercury_compile.m	2001/03/23 11:10:56
@@ -692,14 +692,16 @@
 			% trans_opt files to determine better
 			% information.
 			{ NoModifiedSrcFiles = yes ->
-				HigherDeps = []
+				HigherDeps = [],
+				Transitive = yes
 			;
+				Transitive = no,
 				HigherDeps = list__delete_elems(
 						Imports0 ^ int_deps ++
 							Imports0 ^ impl_deps,
 						TransOptDeps)
 			},
-			trans_opt__grab_optfiles(yes, Imports1, 
+			trans_opt__grab_optfiles(Transitive, Imports1, 
 					[OrigModuleName | HigherDeps],
 					TransOptDeps, Imports, Error2)
 		;

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