* [PATCH v2] perf test: Use -Wp,-U_FORTIFY_SOURCE for tests built with -O0
@ 2024-08-27 2:50 Eiichi Tsukata
2024-09-05 1:49 ` Eiichi Tsukata
0 siblings, 1 reply; 2+ messages in thread
From: Eiichi Tsukata @ 2024-08-27 2:50 UTC (permalink / raw)
To: peterz, mingo, acme, namhyung, mark.rutland, alexander.shishkin,
jolsa, irogers, adrian.hunter, kan.liang, eiichi.tsukata,
howardchu95, linux-perf-users, linux-kernel
If EXTRA_CFLAGS has "-Wp,-D_FORTIFY_SOURCE=2", the build fails with:
error: #warning _FORTIFY_SOURCE requires compiling with optimization (-O) [-Werror=cpp]
Use "-Wp,-U_FORTIFY_SOURCE" instead of "-U_FORTIFY_SOURCE" for tests
built with -O0.
Signed-off-by: Eiichi Tsukata <eiichi.tsukata@nutanix.com>
---
tools/perf/tests/workloads/Build | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/tools/perf/tests/workloads/Build b/tools/perf/tests/workloads/Build
index 5af17206f04d..e9af6b903770 100644
--- a/tools/perf/tests/workloads/Build
+++ b/tools/perf/tests/workloads/Build
@@ -8,7 +8,7 @@ perf-test-y += brstack.o
perf-test-y += datasym.o
perf-test-y += landlock.o
-CFLAGS_sqrtloop.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE
-CFLAGS_leafloop.o = -g -O0 -fno-inline -fno-omit-frame-pointer -U_FORTIFY_SOURCE
-CFLAGS_brstack.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE
-CFLAGS_datasym.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE
+CFLAGS_sqrtloop.o = -g -O0 -fno-inline -Wp,-U_FORTIFY_SOURCE
+CFLAGS_leafloop.o = -g -O0 -fno-inline -fno-omit-frame-pointer -Wp,-U_FORTIFY_SOURCE
+CFLAGS_brstack.o = -g -O0 -fno-inline -Wp,-U_FORTIFY_SOURCE
+CFLAGS_datasym.o = -g -O0 -fno-inline -Wp,-U_FORTIFY_SOURCE
--
2.46.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] perf test: Use -Wp,-U_FORTIFY_SOURCE for tests built with -O0
2024-08-27 2:50 [PATCH v2] perf test: Use -Wp,-U_FORTIFY_SOURCE for tests built with -O0 Eiichi Tsukata
@ 2024-09-05 1:49 ` Eiichi Tsukata
0 siblings, 0 replies; 2+ messages in thread
From: Eiichi Tsukata @ 2024-09-05 1:49 UTC (permalink / raw)
To: peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
namhyung@kernel.org, mark.rutland@arm.com,
alexander.shishkin@linux.intel.com, jolsa@kernel.org,
irogers@google.com, adrian.hunter@intel.com,
kan.liang@linux.intel.com, Eiichi Tsukata, howardchu95@gmail.com,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Ping
> On Aug 27, 2024, at 11:50, Eiichi Tsukata <eiichi.tsukata@nutanix.com> wrote:
>
> If EXTRA_CFLAGS has "-Wp,-D_FORTIFY_SOURCE=2", the build fails with:
>
> error: #warning _FORTIFY_SOURCE requires compiling with optimization (-O) [-Werror=cpp]
>
> Use "-Wp,-U_FORTIFY_SOURCE" instead of "-U_FORTIFY_SOURCE" for tests
> built with -O0.
>
> Signed-off-by: Eiichi Tsukata <eiichi.tsukata@nutanix.com>
> ---
> tools/perf/tests/workloads/Build | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/tools/perf/tests/workloads/Build b/tools/perf/tests/workloads/Build
> index 5af17206f04d..e9af6b903770 100644
> --- a/tools/perf/tests/workloads/Build
> +++ b/tools/perf/tests/workloads/Build
> @@ -8,7 +8,7 @@ perf-test-y += brstack.o
> perf-test-y += datasym.o
> perf-test-y += landlock.o
>
> -CFLAGS_sqrtloop.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE
> -CFLAGS_leafloop.o = -g -O0 -fno-inline -fno-omit-frame-pointer -U_FORTIFY_SOURCE
> -CFLAGS_brstack.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE
> -CFLAGS_datasym.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE
> +CFLAGS_sqrtloop.o = -g -O0 -fno-inline -Wp,-U_FORTIFY_SOURCE
> +CFLAGS_leafloop.o = -g -O0 -fno-inline -fno-omit-frame-pointer -Wp,-U_FORTIFY_SOURCE
> +CFLAGS_brstack.o = -g -O0 -fno-inline -Wp,-U_FORTIFY_SOURCE
> +CFLAGS_datasym.o = -g -O0 -fno-inline -Wp,-U_FORTIFY_SOURCE
> --
> 2.46.0
>
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