Re: [PATCH v1 01/10] selftests/sgx: Compile with -D_GNU_SOURCE

["Jarkko Sakkinen" <jarkko@kernel.org>]

On Wed May 1, 2024 at 2:50 AM EEST, Edward Liaw wrote:
> 809216233555 ("selftests/harness: remove use of LINE_MAX") introduced
> asprintf into kselftest_harness.h, which is a GNU extension and needs
> _GNU_SOURCE to either be defined prior to including headers or with the
> -D_GNU_SOURCE flag passed to the compiler.
>
> Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX")
> Reported-by: kernel test robot <oliver.sang@intel.com>
> Closes: https://lore.kernel.org/oe-lkp/202404301040.3bea5782-oliver.sang@intel.com
> Signed-off-by: Edward Liaw <edliaw@google.com>
> ---
>  tools/testing/selftests/sgx/Makefile    | 2 +-
>  tools/testing/selftests/sgx/sigstruct.c | 2 --
>  2 files changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/tools/testing/selftests/sgx/Makefile b/tools/testing/selftests/sgx/Makefile
> index 867f88ce2570..272da790d9ae 100644
> --- a/tools/testing/selftests/sgx/Makefile
> +++ b/tools/testing/selftests/sgx/Makefile
> @@ -12,7 +12,7 @@ OBJCOPY := $(CROSS_COMPILE)objcopy
>  endif
>
>  INCLUDES := -I$(top_srcdir)/tools/include
> -HOST_CFLAGS := -Wall -Werror -g $(INCLUDES) -fPIC
> +HOST_CFLAGS := -Wall -Werror -g $(INCLUDES) -fPIC -D_GNU_SOURCE
>  HOST_LDFLAGS := -z noexecstack -lcrypto
>  ENCL_CFLAGS += -Wall -Werror -static-pie -nostdlib -ffreestanding -fPIE \
>  	       -fno-stack-protector -mrdrnd $(INCLUDES)
> diff --git a/tools/testing/selftests/sgx/sigstruct.c b/tools/testing/selftests/sgx/sigstruct.c
> index d73b29becf5b..a0c2de7c5302 100644
> --- a/tools/testing/selftests/sgx/sigstruct.c
> +++ b/tools/testing/selftests/sgx/sigstruct.c
> @@ -1,7 +1,5 @@
>  // SPDX-License-Identifier: GPL-2.0
>  /*  Copyright(c) 2016-20 Intel Corporation. */
> -
> -#define _GNU_SOURCE
>  #include <assert.h>
>  #include <getopt.h>
>  #include <stdbool.h>
> --
> 2.45.0.rc0.197.gbae5840b3b-goog

Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>

BR, Jarkko