| #!/usr/bin/python |
| |
| # Copyright 2006 Vladimir Prus. |
| # Distributed under the Boost Software License, Version 1.0. (See |
| # accompanying file LICENSE_1_0.txt or copy at |
| # http://www.boost.org/LICENSE_1_0.txt) |
| |
| import BoostBuild |
| |
| |
| t = BoostBuild.Tester() |
| |
| t.write("jamroot.jam", """ |
| import pch ; |
| cpp-pch pch : pch.hpp : <toolset>msvc:<source>pch.cpp <include>. ; |
| exe hello : hello.cpp pch : <include>. ; |
| """) |
| |
| t.write("pch.hpp.bad", """ |
| THIS WILL NOT COMPILE |
| """) |
| |
| # Note that pch.hpp is written after pch.hpp.bad, so its timestamp will not be |
| # less than timestamp of pch.hpp.bad. |
| t.write("pch.hpp", """ |
| class TestClass |
| { |
| public: |
| TestClass( int, int ) {} |
| }; |
| """) |
| |
| t.write("pch.cpp", """#include <pch.hpp> |
| """) |
| |
| t.write("hello.cpp", """#include <pch.hpp> |
| int main() { TestClass c(1, 2); } |
| """) |
| |
| t.run_build_system() |
| t.expect_addition("bin/$toolset/debug/hello.exe") |
| |
| |
| # Now make the header unusable, without changing timestamp. If everything is OK, |
| # Boost.Build will not recreate PCH, and compiler will happily use pre-compiled |
| # header, not noticing that the real header is bad. |
| |
| t.copy_preserving_timestamp("pch.hpp.bad", "pch.hpp") |
| |
| t.rm("bin/$toolset/debug/hello.obj") |
| |
| t.run_build_system() |
| t.expect_addition("bin/$toolset/debug/hello.obj") |
| |
| t.cleanup() |