1// Test checking that we're hashing a system version file in the 2// module hash. 3 4// First, build a system root. 5// RUN: rm -rf %t 6// RUN: mkdir -p %t/usr/include 7// RUN: cp %S/Inputs/Modified/A.h %t/usr/include 8// RUN: cp %S/Inputs/Modified/B.h %t/usr/include 9// RUN: cp %S/Inputs/Modified/module.map %t/usr/include 10 11// Run once with no system version file. We should end up with one module. 12// RUN: %clang_cc1 -fmodules-cache-path=%t/cache -fmodules -fimplicit-module-maps -isysroot %t -I %t/usr/include %s -verify 13// RUN: ls -R %t | grep -c "ModA.*pcm" | grep 1 14 15// Add a system version file and run again. We should now have two 16// module variants. 17// RUN: mkdir -p %t/System/Library/CoreServices 18// RUN: echo "hello" > %t/System/Library/CoreServices/SystemVersion.plist 19// RUN: %clang_cc1 -fmodules-cache-path=%t/cache -fmodules -fimplicit-module-maps -isysroot %t -I %t/usr/include %s -verify 20// RUN: ls -R %t | grep -c "ModA.*pcm" | grep 2 21 22// Change the system version file and run again. We should now have three 23// module variants. 24// RUN: mkdir -p %t/System/Library/CoreServices 25// RUN: echo "modules" > %t/System/Library/CoreServices/SystemVersion.plist 26// RUN: %clang_cc1 -fmodules-cache-path=%t/cache -fmodules -fimplicit-module-maps -isysroot %t -I %t/usr/include %s -verify 27// RUN: ls -R %t | grep -c "ModA.*pcm" | grep 3 28 29// expected-no-diagnostics 30@import ModA; 31 32