ci/test: unused args for objc, objc++

.github/workflows/unusedargs_missingreturn.yml

@@ -13,6 +13,8 @@ on:
     - "test cases/common/**"
     - "test cases/fortran/**"
     - "test cases/linuxlike/**"
+    - "test cases/objc/**"
+    - "test cases/objcpp/**"
     - "test caes/windows/**"
 
   pull_request:
@@ -22,6 +24,8 @@ on:
     - "test cases/common/**"
     - "test cases/fortran/**"
     - "test cases/linuxlike/**"
+    - "test cases/objc/**"
+    - "test cases/objcpp/**"
     - "test caes/windows/**"
 
 jobs:
@@ -36,8 +40,8 @@ jobs:
     - name: Install Compilers
       run: |
         sudo apt update -yq
-        sudo apt install -yq --no-install-recommends g++ gfortran ninja-build
-    - run: python run_project_tests.py --only cmake common fortran platform-linux
+        sudo apt install -yq --no-install-recommends g++ gfortran ninja-build gobjc gobjc++
+    - run: python run_project_tests.py --only cmake common fortran platform-linux "objective c" "objective c++"
       env:
         CFLAGS: "-Werror=unused-parameter -Werror=return-type -Werror=strict-prototypes"
         CPPFLAGS: "-Werror=unused-parameter -Werror=return-type"

test cases/objc/1 simple/prog.m

@@ -1,5 +1,5 @@
 #import<stdio.h>
 
-int main(int argc, char **argv) {
+int main(void) {
     return 0;
 }

test cases/objc/2 nsstring/stringprog.m

@@ -1,6 +1,6 @@
 #import<Foundation/NSString.h>
 
-int main(int argc, char **argv) {
+int main(void) {
   int result;
   NSString *str = [NSString new];
   result = [str length];

test cases/objc/3 objc args/prog.m

@@ -1,6 +1,6 @@
 #import<stdio.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
 #ifdef MESON_TEST
   int x = 3;

test cases/objcpp/1 simple/prog.mm

@@ -3,7 +3,7 @@
 class MyClass {
 };
 
-int main(int argc, char **argv) {
+int main(void) {
   return 0;
 }
 

test cases/objcpp/2 objc++ args/prog.mm

@@ -4,7 +4,7 @@ class TestClass
 {
 };
 
-int main(int argc, char **argv)
+int main(void)
 {
 #ifdef MESON_OBJCPP_TEST
 int x = 1;