[LTP] [RFC PATCH v3 2/2] Start libclang based analyzer and TEST() check

[Petr Vorel <pvorel@suse.cz>]

Hi Richie,

> +#if HAVE_CLANG_C_INDEX_H
> +
> +#include <clang-c/Index.h>
...

> +static void emit_error(const char *const error_msg)
> +{
> +	if (color_enabled(STDERR_FILENO)) {
> +		dprintf(STDERR_FILENO,
> +			"%sERROR%s: %s%s%s\n",
> +			ansi_red, ansi_reset,
> +			ansi_bold, error_msg, ansi_reset);
> +	} else {
> +		dprintf(STDERR_FILENO, "ERROR: %s\n", error_msg);
> +	}
> +}
...
> +	if (ret != CXError_Success) {
> +		emit_error("Failed to parse translation unit!");
> +		return 1;
> +	}
...

> +#else
> +
> +int main(const attr_unused int argc, const attr_unused char *const *const argv)
> +{
> +	emit_error("clang-checks was not built correctly; libclang headers are not installed!\n");
emit_error() is not visible here, thus build fails. Please add it before HAVE_CLANG_C_INDEX_H.

Or you could just use tst_test.h with TST_NO_DEFAULT_MAIN and here would be TST_TEST_TCONF()
(+ LTP_ATTRIBUTE_UNUSED).

Kind regards,
Petr

> +	return 1;
> +}
> +
> +#endif