ENH: Add test of preservation of static libraries on original link lines.

Tests/Dependency/CMakeLists.txt

@@ -51,3 +51,4 @@ ADD_SUBDIRECTORY(Exec4)
 # projects.
 ADD_SUBDIRECTORY(Case1)
 ADD_SUBDIRECTORY(Case2)
+ADD_SUBDIRECTORY(Case3)

Tests/Dependency/Case3/CMakeLists.txt

@@ -0,0 +1,10 @@
+project(CASE3 C)
+
+add_library(case3Foo1 STATIC foo1.c foo1b.c)
+add_library(case3Foo2 STATIC foo2.c)
+
+add_executable(case3Bar bar.c)
+target_link_libraries(case3Bar case3Foo1 case3Foo2 case3Foo1)
+
+#set_property(GLOBAL PROPERTY GLOBAL_DEPENDS_DEBUG_MODE 1)
+#set(CMAKE_LINK_DEPENDS_DEBUG_MODE 1)

Tests/Dependency/Case3/bar.c

@@ -0,0 +1,5 @@
+extern int foo1(void);
+int main(void)
+{
+  return foo1();
+}

Tests/Dependency/Case3/foo1.c

@@ -0,0 +1,2 @@
+extern int foo2(void);
+int foo1(void) { return foo2(); }

Tests/Dependency/Case3/foo1b.c

@@ -0,0 +1 @@
+int foo1b(void) { return 0; }

Tests/Dependency/Case3/foo2.c

@@ -0,0 +1,2 @@
+extern int foo1b(void);
+int foo2(void) { return foo1b(); }