cmake: Fix obeject libraries

This fixes an issue with generated sources and object libraries, as
well as an issue on windows with the `link` linker and the vs backend.
The last issue is resolved by building the source files multiple times
to avoid extracting object files in meson.

1 files changed, 11 insertions, 0 deletions

diff --git a/test cases/cmake/15 object library advanced/main.cpp b/test cases/cmake/15 object library advanced/main.cpp
new file mode 100644
index 0000000..4cc01a8
--- /dev/null
+++ b/test cases/cmake/15 object library advanced/main.cpp
@@ -0,0 +1,11 @@
+#include <iostream>
+#include "libA.hpp"
+#include "libB.hpp"
+
+using namespace std;
+
+int main(void) {
+  cout << getLibStr() << endl;
+  cout << getZlibVers() << endl;
+  return EXIT_SUCCESS;
+}