ref: 0108959477bb98715acc6b295f60b09d5660ab07
parent: 09779def11c5ab98e12c15a8beee7cd1ce2fc70b
author: Ori Bernstein <ori@eigenstate.org>
date: Wed Oct 1 07:09:24 EDT 2014
Make equal timestamps up to date.
This makes spurious rebuilds on OSX go away.
--- a/build.myr
+++ b/build.myr
@@ -277,10 +277,19 @@
if std.stat(dst, &dstsb) != 0
-> false
;;
+ /*
+ OSX only has single second resolution on modification
+ times. Since most builds happen within one second of each
+ other, if we treat equal times as outdated, we do a lot of
+ spurious rebuilding.
+
+ So, we treat times where both secs and nsecs are equal as
+ up to date.
+ */
if srcsb.mtime.sec != dstsb.mtime.sec
-> srcsb.mtime.sec < dstsb.mtime.sec
else
- -> srcsb.mtime.nsec < dstsb.mtime.nsec
+ -> srcsb.mtime.nsec <= dstsb.mtime.nsec
;;
}
@@ -289,9 +298,11 @@
if std.stat(src, &srcsb) != 0
std.put("\tno %s\n", src)+ ->
;;
if std.stat(dst, &dstsb) != 0
std.put("\tno %s\n", dst)+ ->
;;
if srcsb.mtime.sec != dstsb.mtime.sec
std.put("\tsrc mtime=%ul, dst mtime=%ul\n", srcsb.mtime.sec, dstsb.mtime.sec)