From mboxrd@z Thu Jan  1 00:00:00 1970
From: Petr Vorel <pvorel@suse.cz>
Date: Mon, 14 Jun 2021 15:41:22 +0200
Subject: [LTP] [RFC PATCH v3 2/2] Start libclang based analyzer and
 TEST() check
In-Reply-To: <20210614115638.25467-3-rpalethorpe@suse.com>
References: <20210614115638.25467-1-rpalethorpe@suse.com>
 <20210614115638.25467-3-rpalethorpe@suse.com>
Message-ID: <YMdcgrabnou+u90I@pevik>
List-Id: <ltp.lists.linux.it>
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To: ltp@lists.linux.it

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