Extend testcase

src/CMakeLists.txt

@@ -1,7 +1,11 @@
 # cotire example project
 
+add_library(foo STATIC foo.cpp)
+target_include_directories(foo PUBLIC foo)
+
 add_library(acme STATIC acme.cpp)
 target_include_directories(acme PUBLIC acme)
+target_link_libraries(acme foo)
 
 add_executable(example main.cpp example.cpp log.cpp log.h example.h)
 

src/foo.cpp

@@ -0,0 +1,3 @@
+#include "foo.h"
+
+int foo() { return 42; }

src/foo/foo.h

@@ -0,0 +1 @@
+int foo();

src/precompiled.h

@@ -1,3 +1,5 @@
 #pragma once
 
 #include "acme.h"
+#include "foo.h"
+