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, 1 insertions, 1 deletions

diff --git a/test cases/common/32 sizeof/prog.c.in b/test cases/common/32 sizeof/prog.c.in
index 85b1229..99432f7 100644
--- a/test cases/common/32 sizeof/prog.c.in
+++ b/test cases/common/32 sizeof/prog.c.in
@@ -2,7 +2,7 @@
 #include <stdio.h>
 #include <wchar.h>
 
-int main(int argc, char **argv) {
+int main() {
     if(INTSIZE != sizeof(int)) {
         fprintf(stderr, "Mismatch: detected int size %d, actual size %d.\n", INTSIZE, (int)sizeof(int));
         return 1;