cmake HAVE_RESTRICT examples

GlobalArrays/ga cmake/ga-checks.cmake :4 

CHECK_C_SOURCE_COMPILES(
"
typedef int * int_ptr;
int foo (int_ptr ${ac_kw} ip) {
    return ip[0];
}
int main() {
    int s[1];
    int * ${ac_kw} t = s;
    t[0] = 0;
    return foo(t); 
}   
"
    HAVE_RESTRICT )

Froser/gamemachine src/3rdparty/openal-soft-1.19.1/CMakeLists.txt :163 

CHECK_C_SOURCE_COMPILES("int *restrict foo;
                             int main() {return 0;}" HAVE_RESTRICT)

Cisco-Talos/clamav CMakeLists.txt :745 

check_c_source_compiles(
        "
        typedef int * int_ptr;
        int foo (int_ptr ${ac_kw} ip) {
            return ip[0];
        }
        int main() {
            int s[1];
            int * ${ac_kw} t = s;
            t[0] = 0;
            return foo(t);
        }
        "
        HAVE_RESTRICT )