Edison build fails during config due to host linker being invoked instead of cross linker

[challinan]

Using the Intel Edison toolchain and build corresponding script in "tools" subdirectory fails with
cannot find crt1.o: No such file or directory
On analysis, during the CMake config steps where it tries to validate the C compiler, it correctly uses the Edison cross-compiler, but then the link step uses the host's linker (/usr/bin/ld)

That is obviously not correct behavior, and leads to the above error early in the build.

Adding this "hack" to the inteledision_c.sh script works around the problem:
-DCMAKE_LINKER=/opt/poky-edison/1.7.2/sysroots/core2-32-poky-linux/usr/bin/i586-poky-linux-ld

But CMake should behave when CMAKE_C_COMPILER and CMAKE_CXX_COMPILER are properly set to point to the compilers, which they are.

I have verified this behavior on a clean clone, and made sure all the cmake cache files were deleted, etc.

Anyone know the "right" way to fix this?

[darobs]

Hello @challinan, I'm looking at this issue, among other cross-compile issues. I'm hoping to get back to you soon.

[damonbarry]

899eb5b

[damonbarry]

Fix is in master