[microblaze-uclinux] Some solutions to common compiling problems

["Errol Terblanche" <rince@xxxxxxxxxxx>]

Morning all

I'm completely new to FPGA, cross compiling, development under Linux and
Microblaze. I've ran into some problems over the last week or two, and I
have seen the same problems raised on this list, or the uClinux list, but
without any answers that I could find. So here are some for future
prosperity:

1. "realpath(/include) failed, No such file or directory"
Your path to the mb tool chain isn't set up, or it is not before your x86
tool chain.
Run "export PATH=/usr/local/microblaze-elf-tools/bin:${PATH}", if that is
the path to your tools.

2. mb-ld gives "Segmentation fault"
Do not make crypt_old manually with "make" and "ranlib" as this uses cc to
compile an x86 lib, which mb-ld doesn't like. It uses cc on my pc anyway,
might have something set up wrong. If you did run "make" in the libcrypt_old
folder, then go back to it and run "make clean" and look at 3. 

3. "cannot find -lcrypt-old"
In the menuconfig there is an option to force the build of Crypt_Old. It is
under "Customize Vendor/User Settings" -> "Library Configuration" -> "Build
libcrypt_old". Shouldn't this option be set in the source in CSV? That would
solve allot of beginner problems.

4. "linux.ld:606 nonconstant expression for origin"
Lmb_memory has not been set on the "Library and OS Parameters" screen in EDK

Thank you,
Errol


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