added os-specific library name handling and Mac results

README.md

@@ -33,11 +33,16 @@ cmake ..
 cmake --build .
 ```
 
-Run tests:
+Run tests using Linux:
 ```bash
 for i in ./main_A.* ./main_B.* ./main_AB.*; do echo "$i:"; LD_LIBRARY_PATH=./A:./B:$LD_LIBRARY_PATH $i; done
 ```
 
+Run tests using Mac:
+```bash
+for i in ./main_A.* ./main_B.* ./main_AB.*; do echo "$i:"; DYLD_LIBRARY_PATH=./A:./B:$DYLD_LIBRARY_PATH $i; done
+```
+
 ## Results
 
 Ubuntu 16.04.02, CentOS 7.3: result the same for both GCC and Clang:
@@ -60,3 +65,26 @@ Ubuntu 16.04.02, CentOS 7.3: result the same for both GCC and Clang:
  main_AB->call_A->call_C (v1)    # <- correct
  main_AB->call_B->call_C (v1)    # <- wrong
  ```
+
+MacOSX El Capitan 10.11.6, result same for both GCC and Clang:
+```
+./main_A.shared:
+ main_A->call_A->call_C (v1)
+./main_A.static:
+ main_A->call_A->call_C (v1)
+./main_B.shared:
+ main_B->call_B->call_C (v2)
+./main_B.static:
+ main_B->call_B->call_C (v2)
+./main_AB.dlopen:
+ main_AB->call_A->call_C (v1)    # <- correct
+ main_AB->call_B->call_C (v2)    # <- correct
+./main_AB.shared:
+ main_AB->call_A->call_C (v1)    # <- correct
+ main_AB->call_B->call_C (v2)    # <- correct
+./main_AB.static:
+ main_AB->call_A->call_C (v1)    # <- correct
+ main_AB->call_B->call_C (v1)    # <- wrong
+ ```
+
+

main_AB.dlopen.c

@@ -6,6 +6,26 @@
 // #define DLOPEN_FLAGS RTLD_LAZY | RTLD_LOCAL
 #define DLOPEN_FLAGS RTLD_LAZY
 
+#if defined(_WIN32) || defined(__CYGWIN__)
+    // Windows (x86 or x64)
+    const char* libA = "libA.shared.dll";
+    const char* libB = "libB.shared.dll";
+#elif defined(__linux__)
+    // Linux
+    const char* libA = "libA.shared.so";
+    const char* libB = "libB.shared.so";
+#elif defined(__APPLE__) && defined(__MACH__)
+    // Mac OS
+    const char* libA = "libA.shared.dylib";
+    const char* libB = "libB.shared.dylib";
+#elif defined(unix) || defined(__unix__) || defined(__unix)
+    // Unix like OS
+    const char* libA = "libA.shared.so";
+    const char* libB = "libB.shared.so";
+#else
+    #error Unknown environment!
+#endif
+
 int main(int argc, char **argv)
 {
   (void)argc;
@@ -17,13 +37,13 @@ int main(int argc, char **argv)
   int (*call_B)(void);
   char *error;
 
-  handle_B = dlopen("libB.shared.so", DLOPEN_FLAGS);
+  handle_B = dlopen(libB, DLOPEN_FLAGS);
   if(handle_B == NULL) {
     fprintf(stderr, "%s\n", dlerror());
     exit(EXIT_FAILURE);
   }
 
-  handle_A = dlopen("libA.shared.so", DLOPEN_FLAGS);
+  handle_A = dlopen(libA, DLOPEN_FLAGS);
   if(handle_A == NULL) {
     fprintf(stderr, "%s\n", dlerror());
     exit(EXIT_FAILURE);