1#include "foo.h"
2
3// Clear the module cache.
4// RUN: rm -rf %t
5// RUN: mkdir -p %t/Inputs
6// RUN: mkdir -p %t/modules-to-compare
7
8// ===
9// Create a module with system headers.
10// RUN: echo 'void meow(void);' > %t/Inputs/foo.h
11// RUN: echo 'module Foo [system] { header "foo.h" }' > %t/Inputs/module.map
12
13// ===
14// Compile the module.
15// RUN: %clang_cc1 -cc1 -fmodules -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -I %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s
16// RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp
17// RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-before.pcm
18
19// ===
20// Use it, and make sure that we did not recompile it.
21// RUN: %clang_cc1 -cc1 -fmodules -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -I %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s
22// RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp
23// RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-after.pcm
24
25// RUN: diff %t/modules-to-compare/Foo-before.pcm %t/modules-to-compare/Foo-after.pcm
26
27// ===
28// Change the sources.
29// RUN: echo 'void meow2(void);' > %t/Inputs/foo.h
30
31// ===
32// Use the module, and make sure that we did not recompile it, even though the sources changed.
33// RUN: %clang_cc1 -cc1 -fmodules -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -I %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s
34// RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp
35// RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-after.pcm
36
37// RUN: diff %t/modules-to-compare/Foo-before.pcm %t/modules-to-compare/Foo-after.pcm
38
39// ===
40// Recompile the module if the today's date is before 01 January 2030.
41// RUN: %clang_cc1 -cc1 -fmodules -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -I %t/Inputs -fbuild-session-timestamp=1893456000 -fmodules-validate-once-per-build-session %s
42// RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp
43// RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-after.pcm
44
45// RUN: not diff %t/modules-to-compare/Foo-before.pcm %t/modules-to-compare/Foo-after.pcm
46