I've been unable to reproduce this failure on my end unfortunately. In
my understanding, the contents of the patched file should not even
affect the build at all unless the "wasm" PACKAGECONFIG is enabled,
which is not the case by default.

I'm open to suggestions. Otherwise, I think we can skip this patch and
wait for upstream to update the WASM runtime, which should fix it too.

On Thu, 2024-10-17 at 11:54 -0700, Khem Raj via lists.openembedded.org
wrote:
> it fails in configure -
> https://valkyrie.yoctoproject.org/#/builders/81/builds/66/steps/14/logs/stdio
> 
> On Thu, Oct 17, 2024 at 12:09 AM Patrick Wicki via
> lists.openembedded.org
> <patrick.wicki=subset...@lists.openembedded.org> wrote:
> > 
> > From: Patrick Wicki <patrick.wi...@siemens.com>
> > 
> > Add patch for the wasm runtime that fixes building for x86.
> > 
> > Signed-off-by: Patrick Wicki <patrick.wi...@siemens.com>
> > ---
> >  ...d-cmake-try_run-when-cross-compiling.patch | 42
> > +++++++++++++++++++
> >  .../fluentbit/fluentbit_3.1.9.bb              |  1 +
> >  2 files changed, 43 insertions(+)
> >  create mode 100644 meta-oe/recipes-
> > extended/fluentbit/fluentbit/0002-wasm-avoid-cmake-try_run-when-
> > cross-compiling.patch
> > 
> > diff --git a/meta-oe/recipes-extended/fluentbit/fluentbit/0002-
> > wasm-avoid-cmake-try_run-when-cross-compiling.patch b/meta-
> > oe/recipes-extended/fluentbit/fluentbit/0002-wasm-avoid-cmake-
> > try_run-when-cross-compiling.patch
> > new file mode 100644
> > index 000000000..419e85903
> > --- /dev/null
> > +++ b/meta-oe/recipes-extended/fluentbit/fluentbit/0002-wasm-avoid-
> > cmake-try_run-when-cross-compiling.patch
> > @@ -0,0 +1,42 @@
> > +From 5b6d274664f92a6c6083f4d27a1b1604a326f22c Mon Sep 17 00:00:00
> > 2001
> > +From: Patrick Wicki <patrick.wi...@siemens.com>
> > +Date: Sat, 5 Oct 2024 21:36:12 +0200
> > +Subject: [PATCH] wasm: avoid cmake try_run when cross-compiling
> > for x86
> > +
> > +This fixes building the wasm micro runtime used when enabling wasm
> > +support in fluentbit.
> > +cmake try_run does not work when cross-compiling because the test
> > program
> > +cannot be executed:
> > +
> > +| CMake Error: try_run() invoked in cross-compiling mode, please
> > set the following cache variables appropriately:
> > +|    TEST_WRGSBASE_RESULT (advanced)
> > +| For details see .../fluentbit/3.1.9/build/TryRunResults.cmake
> > +|      Write linear memory base addr to x86 GS register disabled
> > +| -- Configuring incomplete, errors occurred!
> > +
> > +Since we cannot run the test program, assume that the instruction
> > is not
> > +available and disable the option.
> > +
> > +This patch is no longer needed once fluentbit updates WAMR, as
> > it's been
> > +fixed in
> > https://github.com/bytecodealliance/wasm-micro-runtime/pull/3066.
> > +
> > +Upstream-Status: Pending
> > [https://github.com/fluent/fluent-bit/pull/8744]
> > +
> > +Signed-off-by: Patrick Wicki <patrick.wi...@siemens.com>
> > +---
> > + .../build-scripts/config_common.cmake                           |
> > 2 +-
> > + 1 file changed, 1 insertion(+), 1 deletion(-)
> > +
> > +diff --git a/lib/wasm-micro-runtime-WAMR-1.3.0/build-
> > scripts/config_common.cmake b/lib/wasm-micro-runtime-WAMR-
> > 1.3.0/build-scripts/config_common.cmake
> > +index e73ebc85f..c2504e007 100644
> > +--- a/lib/wasm-micro-runtime-WAMR-1.3.0/build-
> > scripts/config_common.cmake
> > ++++ b/lib/wasm-micro-runtime-WAMR-1.3.0/build-
> > scripts/config_common.cmake
> > +@@ -408,7 +408,7 @@ if (WAMR_BUILD_STATIC_PGO EQUAL 1)
> > +   add_definitions (-DWASM_ENABLE_STATIC_PGO=1)
> > +   message ("     AOT static PGO enabled")
> > + endif ()
> > +-if (WAMR_DISABLE_WRITE_GS_BASE EQUAL 1)
> > ++if (WAMR_DISABLE_WRITE_GS_BASE EQUAL 1 OR CMAKE_CROSSCOMPILING)
> > +   add_definitions (-DWASM_DISABLE_WRITE_GS_BASE=1)
> > +   message ("     Write linear memory base addr to x86 GS register
> > disabled")
> > + elseif (WAMR_BUILD_TARGET STREQUAL "X86_64"
> > diff --git a/meta-oe/recipes-extended/fluentbit/fluentbit_3.1.9.bb
> > b/meta-oe/recipes-extended/fluentbit/fluentbit_3.1.9.bb
> > index fc67236d3..d42a9a964 100644
> > --- a/meta-oe/recipes-extended/fluentbit/fluentbit_3.1.9.bb
> > +++ b/meta-oe/recipes-extended/fluentbit/fluentbit_3.1.9.bb
> > @@ -21,6 +21,7 @@ SRCREV =
> > "431fa79ae27edaef8d050a7af6f038f4400193a1"
> >  SRC_URI = "\
> >      git://github.com/fluent/fluent-
> > bit.git;branch=3.1;protocol=https \
> >     
> > file://0001-lib-Do-not-use-private-makefile-targets-in-CMakelist.patch
> >  \
> > +   
> > file://0002-wasm-avoid-cmake-try_run-when-cross-compiling.patch \
> >     
> > file://0002-flb_info.h.in-Do-not-hardcode-compilation-directorie.patch
> >  \
> >      ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', '',
> > 'file://0003-Disable-installing-systemd-service-file.patch', d)} \
> >  "
> > --
> > 2.47.0
> > 
> > 
> > 
> > 
> 
> 
> 

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