From 9fb791e9fad6c63fc1dac49f4d05ae63b8a3db9b Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Tue, 5 Jan 2016 11:55:15 +0200 Subject: Rename build directory/namespace to build2 --- build/algorithm.txx | 58 ----------------------------------------------------- 1 file changed, 58 deletions(-) delete mode 100644 build/algorithm.txx (limited to 'build/algorithm.txx') diff --git a/build/algorithm.txx b/build/algorithm.txx deleted file mode 100644 index 2490962..0000000 --- a/build/algorithm.txx +++ /dev/null @@ -1,58 +0,0 @@ -// file : build/algorithm.txx -*- C++ -*- -// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd -// license : MIT; see accompanying LICENSE file - -namespace build -{ - template - T* - execute_prerequisites (action a, target& t, const timestamp& mt) - { - //@@ Can factor the bulk of it into a non-template code. Can - // either do a function template that will do dynamic_cast check - // or can scan the target type info myself. I think latter. - // - bool e (mt == timestamp_nonexistent); - T* r (nullptr); - - for (target* pt: t.prerequisite_targets) - { - if (pt == nullptr) // Skip ignored. - continue; - - target_state ts (execute (a, *pt)); - - if (!e) - { - // If this is an mtime-based target, then compare timestamps. - // - if (auto mpt = dynamic_cast (pt)) - { - timestamp mp (mpt->mtime ()); - - // What do we do if timestamps are equal? This can happen, for - // example, on filesystems that don't have subsecond resolution. - // There is not much we can do here except detect the case where - // the prerequisite was changed in this run which means the - // action must be executed on the target as well. - // - if (mt < mp || (mt == mp && ts == target_state::changed)) - e = true; - } - else - { - // Otherwise we assume the prerequisite is newer if it was changed. - // - if (ts == target_state::changed) - e = true; - } - } - - if (T* tmp = dynamic_cast (pt)) - r = tmp; - } - - assert (r != nullptr); - return e ? r : nullptr; - } -} -- cgit v1.1