gcc wrapper in C - doesn't work properly

peter:/usr/bin # ls -l gcc*
lrwxrwxrwx 1 root root      9 Oct 10 09:10 gcc -> gcc.wrap2
-rwxr-xr-x 1 root root 345208 Oct 29  2011 gcc-4.6
lrwxrwxrwx 1 root root      7 Jul  8 17:16 gcc.real -> gcc-4.6
-rwxr-xr-x 1 root root    902 Oct  9 22:28 gcc.wrap
-rwxr-xr-x 1 root root  11500 Oct 10 09:12 gcc.wrap2
-rw-r--r-- 1 root root    539 Oct 10 09:12 gcc.wrap2.c
-rwxr-xr-x 1 root root   2018 Oct 29  2011 gccmakedep
peter:/usr/bin # cat gcc.wrap2.c
#include <stdio.h>

int main(int argc, char* argv[]) {
    int i;
    char cmd[9999] = "/usr/bin/gcc.real";
    //char cmd[9999] = "echo";
    int ret = 0;

    for(i=1; i<argc; i++) {
        if( strcmp(argv[i], "-Werror") == 0 ) {
            printf("PM gccwrap2: skipping arg: %s\n", argv[i]);
            continue;
        }
        printf("PM gccwrap2:    \"%s\"\n", argv[i]);
        sprintf(cmd, "%s \"%s\"", cmd, argv[i]);
    }

    printf("PM gccwrap2: final command:\n    %s\n", cmd);
    ret = system(cmd);

    return ret;
}