Michael Brown 68db9a3cb3 [linux] Allow a sysroot to be specified via SYSROOT=... ...

The cross-compiler will typically use the appropriate sysroot
directory automatically.  This may not work for toolchains where a
single cross-compiler is used to produce output for multiple CPU
variants (e.g. 32-bit and 64-bit RISC-V).

Add a SYSROOT=... parameter that may be used to specify the relevant
sysroot directory, e.g.

 make CROSS=riscv64-linux-gnu- SYSROOT=/usr/riscv32-linux-gnu/sys-root \
      bin-riscv32-linux/tests.linux

Signed-off-by: Michael Brown <mcb30@ipxe.org>

2024-09-15 10:01:35 +01:00

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