Fix MinGW build by skipping unsupported tests

Author: Somsubhra-Nandi

source/tests/dynlink_test/CMakeLists.txt

@@ -2,6 +2,11 @@
 # Executable name and options
 #
 
+if(MINGW)
+    message(STATUS "Skipping dynlink_test on MinGW (-rdynamic not supported)")
+    return()
+endif()
+
 # Target name
 set(target dynlink-test)
 message(STATUS "Test ${target}")

source/tests/metacall_fork_test/CMakeLists.txt

@@ -1,4 +1,9 @@
 # Check if detours are enabled
+if(MINGW)
+    message(STATUS "Skipping metacall_fork_test on MinGW (fork not supported)")
+    return()
+endif()
+
 if(NOT OPTION_FORK_SAFE OR NOT OPTION_BUILD_DETOURS)
 	return()
 endif()

source/tests/metacall_fork_test/source/metacall_fork_test.cpp

@@ -75,7 +75,9 @@ typedef NTSTATUS(NTAPI *RtlCloneUserProcessPtr)(ULONG ProcessFlags,
 
 typedef long pid_t;
 
-pid_t fork(void);
+#ifndef __MINGW32__
+    typedef long pid_t;
+#endif
 
 pid_t fork()
 {