use '-Werror=unused-parameter' for gcc/clang on project tests and -fimplicit-none on fortran

Fortran: check for undeclared variables by forcing implicit none everywhere
C/C++: check for unused parameters and return types

removed unused variables from test cases

ci: do missing return and unused arg check with Github Actions

1 files changed, 2 insertions, 2 deletions

diff --git a/test cases/common/98 threads/threadprog.cpp b/test cases/common/98 threads/threadprog.cpp
index 6fd747f89..18fa9f546 100644
--- a/test cases/common/98 threads/threadprog.cpp
+++ b/test cases/common/98 threads/threadprog.cpp
@@ -14,7 +14,7 @@ DWORD WINAPI thread_func(LPVOID) {
     return 0;
 }
 
-int main(int, char**) {
+int main() {
     printf("Starting thread.\n");
     HANDLE th;
     DWORD id;
@@ -32,7 +32,7 @@ void main_func() {
     printf("Printing from a thread.\n");
 }
 
-int main(int, char**) {
+int main() {
     printf("Starting thread.\n");
     std::thread th(main_func);
     th.join();