Message ID | 20240229131108.363533-2-romain.naour@smile.fr |
---|---|
State | Superseded |
Headers | show
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Series |
[1/2] package/rust: use host libraries from HOST_DIR
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diff --git a/package/rust/rust.mk b/package/rust/rust.mk index c464e77f4f..cbe79cd8e3 100644 --- a/package/rust/rust.mk +++ b/package/rust/rust.mk @@ -69,7 +69,9 @@ define HOST_RUST_CONFIGURE_CMDS endef define HOST_RUST_BUILD_CMDS - cd $(@D); $(HOST_MAKE_ENV) $(HOST_DIR)/bin/python$(PYTHON3_VERSION_MAJOR) x.py build + cd $(@D); $(HOST_MAKE_ENV) \ + RUSTFLAGS="$(addprefix -C link-args=,$(HOST_LDFLAGS))" \ + $(HOST_DIR)/bin/python$(PYTHON3_VERSION_MAJOR) x.py build endef HOST_RUST_INSTALL_OPTS = \
While building the rust toolchain, the build system endup using cargo (from [...]/output/build/host-rust-bin-1.74.1/cargo/bin/cargo) to build some tool like rustdoc-tool. But the host-rust package doesn't use the cargo infractructure (since it provide cargo binary) and some cargo environment varialble [1] is not set to crosscompile cargo packages in the rust toolchain. For exemple, we usually set RUSTFLAGS="-C link-arg=-Wl,-rpath,$(HOST_DIR)/lib" to force cargo using libraries provided by Buildroot in $(HOST_DIR)/lib. RUSTFLAGS is actually needed to find zlib library (host-zlib) to link rustdoc-tool when zlib is not installed on the host. Fixes: error: could not compile `rustdoc-tool` (bin "rustdoc_tool_binary") due to previous error [1] https://gitlab.com/buildroot.org/buildroot/-/blob/2024.02-rc1/package/pkg-cargo.mk?ref_type=tags#L167 Signed-off-by: Romain Naour <romain.naour@smile.fr> --- package/rust/rust.mk | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)