diff options
| -rw-r--r-- | source3/wscript | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/source3/wscript b/source3/wscript index 4f182bf748..2083f01a8d 100644 --- a/source3/wscript +++ b/source3/wscript @@ -349,12 +349,28 @@ int main(int argc, char **argv) # Check if the compiler will optimize out functions conf.CHECK_CODE(''' -if (0) { - this_function_does_not_exist(); -} else { - return 1; +#include <sys/types.h> +size_t __unsafe_string_function_usage_here_size_t__(void); +#define CHECK_STRING_SIZE(d, len) (sizeof(d) != (len) && sizeof(d) != sizeof(char *)) +static size_t push_string_check_fn(void *dest, const char *src, size_t dest_len) { + return 0; +} + +#define push_string_check(dest, src, dest_len) \ + (CHECK_STRING_SIZE(dest, dest_len) \ + ? __unsafe_string_function_usage_here_size_t__() \ + : push_string_check_fn(dest, src, dest_len)) + +int main(int argc, char **argv) { + char outbuf[1024]; + char *p = outbuf; + const char *foo = "bar"; + p += 31 + push_string_check(p + 31, foo, sizeof(outbuf) - (p + 31 - outbuf)); + return 0; }''', 'HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS', - msg="Checking if the compiler will optimize out functions") + addmain=False, + add_headers=False, + msg="Checking if the compiler will optimize out functions") # Check if the compiler supports the LL suffix on long long integers # AIX needs this |