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| -rw-r--r-- | file.h | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -90,6 +90,17 @@ extern time_t f_mtime (); #define file_mtime(f) file_mtime_1 ((f), 1) #define file_mtime_no_search(f) file_mtime_1 ((f), 0) +/* Modtime value to use for `infinitely new'. We used to get the current time + from the system and use that whenever we wanted `new'. But that causes + trouble when the machine running make and the machine holding a file have + different ideas about what time it is; and can also lose for `force' + targets, which need to be considered newer than anything that depends on + them, even if said dependents' modtimes are in the future. + + NOTE: This assumes 32-bit `time_t's, but I cannot think of a portable way + to produce the largest representable integer of a given signed type. */ +#define NEW_MTIME ((time_t) 0x7fffffff) + #define check_renamed(file) \ while ((file)->renamed != 0) (file) = (file)->renamed /* No ; here. */ |