FEX-2607 formats std::byte spans via fmt::join, which its pinned bundled fmt 12.1.0 supports but oe-core's fmt 12.2.0 rejects, breaking do_compile:
fmt/base.h: error: implicit instantiation of undefined template 'fmt::detail::type_is_unformattable_for<fmt::join_view<...std::byte*...>, char>' ninja: build stopped: subcommand failed. The recipe already dropped fmt from DEPENDS to build the bundled copy, but FEX only falls back to External/fmt when find_package(fmt) fails. fmt-native is still pulled in as a transitive native dependency, and OE's CMAKE_FIND_ROOT_PATH includes the native sysroot for packages, so find_package(fmt) resolves against recipe-sysroot-native and the target compile picks up the incompatible fmt 12.2.0 headers. Set CMAKE_DISABLE_FIND_PACKAGE_fmt=ON so find_package(fmt) reports not-found and FEX builds the bundled fmt 12.1.0. Signed-off-by: Khem Raj <[email protected]> --- meta-oe/recipes-devtools/fex/fex_2607.bb | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/meta-oe/recipes-devtools/fex/fex_2607.bb b/meta-oe/recipes-devtools/fex/fex_2607.bb index 4737c9fd0e..387fb7e8eb 100644 --- a/meta-oe/recipes-devtools/fex/fex_2607.bb +++ b/meta-oe/recipes-devtools/fex/fex_2607.bb @@ -34,7 +34,10 @@ SRCREV_range-v3 = "ca1388fb9da8e69314dda222dc7b139ca84e092f" # fmt is built from the bundled External/fmt submodule rather than the system # copy: FEX-2607 formats std::byte spans via fmt::join, which its pinned fmt -# 12.1.0 supports but oe-core's newer fmt (12.2.0) rejects. +# 12.1.0 supports but oe-core's newer fmt (12.2.0) rejects. FEX only falls +# back to the bundled copy when find_package(fmt) fails, so +# CMAKE_DISABLE_FIND_PACKAGE_fmt is set below to stop it from picking up +# fmt-native (a transitive native dependency) from the native sysroot. DEPENDS = " \ catch2 \ libdrm \ @@ -50,6 +53,7 @@ EXTRA_OECMAKE += " \ -DENABLE_CCACHE=OFF \ -DENABLE_VIXL_DISASSEMBLER=OFF \ -DENABLE_VIXL_SIMULATOR=OFF \ + -DCMAKE_DISABLE_FIND_PACKAGE_fmt=ON \ -DDATA_DIRECTORY=${datadir} \ -DQT_HOST_PATH:PATH=${RECIPE_SYSROOT_NATIVE}${prefix_native} \ "
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