how to build ccan in cross-platform?

[heihuhu310]

i want to use in the embedded linux system, but i can't build it success. anyone can help me? thanks in advance

[rustyrussell]

RuyiDu [email protected] writes:

i want to use in the embedded linux system, but i can't build it success. anyone can help me? thanks in advance

A detailed error message would be extremely useful.

Thanks,
Rusty.

[rossburton]

I believe the question is "how do I use ccan in a cross-compiled environment". The create-ccan-tree tool just calls make to build ccan-depends which uses the configured (thus, cross) compiler, not the build compiler.

My workaround is to invoke create-ccan-tree by hand, overriding the environment variables:

CC="${BUILD_CC}" CFLAGS="${BUILD_CFLAGS}" LDFLAGS="${BUILD_LDFLAGS}" create-ccan-tree [...]