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-rw-r--r--src/ninja.cc15
1 files changed, 11 insertions, 4 deletions
diff --git a/src/ninja.cc b/src/ninja.cc
index a2f3111..acb793e 100644
--- a/src/ninja.cc
+++ b/src/ninja.cc
@@ -760,6 +760,9 @@ bool DebugEnable(const string& name) {
" stats print operation counts/timing info\n"
" explain explain what caused a command to execute\n"
" keeprsp don't delete @response files on success\n"
+#ifdef _WIN32
+" experimentalwinstatcache use an alternative method for stat()ing files\n"
+#endif
"multiple modes can be enabled via -d FOO -d BAR\n");
return false;
} else if (name == "stats") {
@@ -771,9 +774,13 @@ bool DebugEnable(const string& name) {
} else if (name == "keeprsp") {
g_keep_rsp = true;
return true;
+ } else if (name == "experimentalwinstatcache") {
+ g_experimental_win_statcache = true;
+ return true;
} else {
const char* suggestion =
- SpellcheckString(name.c_str(), "stats", "explain", "keeprsp", NULL);
+ SpellcheckString(name.c_str(), "stats", "explain", "keeprsp",
+ "experimentalwinstatcache", NULL);
if (suggestion) {
Error("unknown debug setting '%s', did you mean '%s'?",
name.c_str(), suggestion);
@@ -882,8 +889,8 @@ int NinjaMain::RunBuild(int argc, char** argv) {
return 1;
}
-// XXX allow stat caching
- disk_interface_.use_cache_ = true;
+ if (g_experimental_win_statcache)
+ disk_interface_.use_cache_ = true;
Builder builder(&state_, config_, &build_log_, &deps_log_, &disk_interface_);
for (size_t i = 0; i < targets.size(); ++i) {
@@ -898,7 +905,7 @@ int NinjaMain::RunBuild(int argc, char** argv) {
}
}
-// XXX disallow stat caching
+ // Make sure restat rules do not see stale timestamps.
disk_interface_.use_cache_ = false;
if (builder.AlreadyUpToDate()) {