b49020 commented on code in PR #156:
URL:
https://github.com/apache/incubator-teaclave-trustzone-sdk/pull/156#discussion_r1897926780
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examples/hello_world-rs/ta/Makefile:
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@@ -20,7 +20,7 @@ UUID ?= $(shell cat "../uuid.txt")
TARGET ?= aarch64-unknown-linux-gnu
CROSS_COMPILE ?= aarch64-linux-gnu-
OBJCOPY := $(CROSS_COMPILE)objcopy
-LINKER_CFG := target.$(TARGET).linker=\"$(CROSS_COMPILE)ld.bfd\"
+LINKER_CFG := target.$(TARGET).linker=\"$(CROSS_COMPILE)gcc\"
Review Comment:
I think it's more preferable for `optee_utee_build` crate to consume
`CROSS_COMPILE` environment variable and setup linker configuration accordingly.
And regarding documentation update, I don't think we want developers to
learn about how `optee_utee_build` crate figures out linker given the
`CROSS_COMPILE` path. Instead the documentation should rather be just about
letting the user know how to build Rust TAs in either cross-compiled
environment (x86 host) or native environment (arm64 host). I think that will
just boil down to the value of `CROSS_COMPILE` variable being empty ("") for
native compilation and ("path-to-gcc-cross-compiler") for cross compilation.
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