update test case

Author: ppham-nv

tests/integration/testrpath/c/c.c

@@ -0,0 +1,3 @@
+int fc(void) {
+    return 20;
+}

tests/integration/testrpath/c/c.h

@@ -0,0 +1 @@
+int fc(void);

tests/integration/testrpath/setup.py

@@ -11,10 +11,14 @@ class BuildExt(build_ext):
     def run(self) -> None:
         cmd = "gcc -fPIC -shared -o b/libb.so b/b.c"
         subprocess.check_call(cmd.split())
+
+        cmd = "gcc -fPIC -shared -o c/libc.so c/c.c"
+        subprocess.check_call(cmd.split())
+
         cmd = (
             "gcc -fPIC -shared -o a/liba.so "
-            "-Wl,{dtags_flag} -Wl,-rpath=$ORIGIN/../b "
-            "-Ib a/a.c -Lb -lb"
+            "-Wl,{dtags_flag} -Wl,-rpath=$ORIGIN/../b -Wl,-rpath=$ORIGIN/../c "
+            "-Ib a/a.c -Lb -Lc -lb -lc"
         ).format(
             dtags_flag=(
                 "--enable-new-dtags"
@@ -36,9 +40,9 @@ def run(self) -> None:
         Extension(
             "testrpath/testrpath",
             sources=["src/testrpath/testrpath.c"],
-            include_dirs=["a"],
-            libraries=["a"],
-            library_dirs=["a"],
+            include_dirs=["a", "c"],
+            libraries=["a", "c"],
+            library_dirs=["a", "c"],
         )
     ],
 )

tests/integration/testrpath/src/testrpath/testrpath.c

@@ -1,5 +1,6 @@
 #include <Python.h>
 #include "a.h"
+#include "c.h"
 
 static PyObject *
 func(PyObject *self, PyObject *args)
@@ -9,7 +10,7 @@ func(PyObject *self, PyObject *args)
     (void)self;
     (void)args;
 
-    res = fa();
+    res = fa() + fc();
     return PyLong_FromLong(res);
 }