Re: optee-ftpm-stm32mp15x sometimes fails to build

[Jan Kiszka <jan.kiszka@siemens.com>]

On 20.07.23 08:22, 'Jan Kiszka' via isar-users wrote:
> On 20.07.23 07:11, Uladzimir Bely wrote:
>> We are currently experiencing sporadic CI full build failures of optee-
>> ftpm-stm32mp15x package ("nocross" build):
>>
>> ```
>> make[3]: *** No rule to make target
>> 'lib/wolf/wolf_symlink/wolfcrypt/src/aes.c', needed by
>> '../out/fTPM/./lib/wolf/wolf_symlink/wolfcrypt/src/aes.o'.  Stop.
>> ```
>>
>> I'm just wondering if this is something known and there might be a fix,
>> or we should investigate it.
>>
> 
> I've built that now a couple of times, but only on 6 cores, and there
> this never occurred. Possibly a parallel build bug in this wolfssl thing.
> 
>> For details, I'm attaching two build logs from `tmp/work/debian-
>> bullseye-armhf/optee-os-stm32mp15x/3.21.0-r0/`. They are both received
>> for the same isar revision, but one is OK while another got failed.
>>
>> Initially, this was observed on top of "imager-schroot" + "base-apt"
>> patchsets, but it also appears to happen with current "next" branch.
> 
> Let me see if I can reproduce locally, maybe outside of Isar.
> 
> Jan
> 

Maybe this patch to ms-tpm will help:

diff --git a/Samples/ARM32-FirmwareTPM/optee_ta/fTPM/lib/wolf/sub.mk b/Samples/ARM32-FirmwareTPM/optee_ta/fTPM/lib/wolf/sub.mk
index 0a43f46..eb239e3 100644
--- a/Samples/ARM32-FirmwareTPM/optee_ta/fTPM/lib/wolf/sub.mk
+++ b/Samples/ARM32-FirmwareTPM/optee_ta/fTPM/lib/wolf/sub.mk
@@ -56,3 +56,5 @@ srcs-y += wolf_symlink/wolfcrypt/src/tfm.c
 srcs-y += wolf_symlink/wolfcrypt/src/wolfmath.c
 srcs-y += wolf_symlink/wolfcrypt/src/des3.c
 srcs-y += wolf_symlink/wolfcrypt/src/random.c
+
+$(srcs-y): wolf_symlink


I didn't reproduce the issue locally yet, but there seems to be an 
ordering issue between creating the link and starting the build of the 
files in there.

Jan

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