Define sloppiness constants by shifting

diff --git a/src/ccache.h b/src/ccache.h
index d98e27780054e5c1a497016965d04128c5d75d52..590cfc46f060f8f02cb2a0a77aaee1d7a5eff6df 100644 (file)
--- a/src/ccache.h
+++ b/src/ccache.h
@@ -1,5 +1,5 @@
 // Copyright (C) 2002-2007 Andrew Tridgell
-// Copyright (C) 2009-2018 Joel Rosdahl
+// Copyright (C) 2009-2019 Joel Rosdahl
 //
 // This program is free software; you can redistribute it and/or modify it
 // under the terms of the GNU General Public License as published by the Free
@@ -84,22 +84,22 @@ enum guessed_compiler {
 
 extern enum guessed_compiler guessed_compiler;
 
-#define SLOPPY_INCLUDE_FILE_MTIME 1
-#define SLOPPY_INCLUDE_FILE_CTIME 2
-#define SLOPPY_FILE_MACRO 4
-#define SLOPPY_TIME_MACROS 8
-#define SLOPPY_PCH_DEFINES 16
+#define SLOPPY_INCLUDE_FILE_MTIME (1U << 0)
+#define SLOPPY_INCLUDE_FILE_CTIME (1U << 1)
+#define SLOPPY_FILE_MACRO (1U << 2)
+#define SLOPPY_TIME_MACROS (1U << 3)
+#define SLOPPY_PCH_DEFINES (1U << 4)
 // Allow us to match files based on their stats (size, mtime, ctime), without
 // looking at their contents.
-#define SLOPPY_FILE_STAT_MATCHES 32
+#define SLOPPY_FILE_STAT_MATCHES (1U << 5)
 // Allow us to not include any system headers in the manifest include files,
 // similar to -MM versus -M for dependencies.
-#define SLOPPY_NO_SYSTEM_HEADERS 64
+#define SLOPPY_NO_SYSTEM_HEADERS (1U << 6)
 // Allow us to ignore ctimes when comparing file stats, so we can fake mtimes
 // if we want to (it is much harder to fake ctimes, requires changing clock)
-#define SLOPPY_FILE_STAT_MATCHES_CTIME 128
+#define SLOPPY_FILE_STAT_MATCHES_CTIME (1U << 7)
 // Allow us to not include the -index-store-path option in the manifest hash.
-#define SLOPPY_CLANG_INDEX_STORE 256
+#define SLOPPY_CLANG_INDEX_STORE (1U << 8)
 
 #define str_eq(s1, s2) (strcmp((s1), (s2)) == 0)
 #define str_startswith(s, prefix) \