Trying to test a cross compiler

[Cliff Shalabi]

Hi,

I am trying to test a cross compiler using dejagnu by using make check. The 
problem is that I don't have the sources for the cross compiler! Also, the 
target I am interested in is not yet in GCC so configuring GCC with that 
particular target won't work.
I am trying to understand how make check works to find out if it will be 
possible for me to configure and make GCC as a native compiler (or probably 
as a cross compiler using a different target) and then replace the binaries 
built with the ones I have for my target! And finally, run make check! Sweet 
eh?
In addition to being open to your comments about my approach, I would 
apreciate it if you could help me understand the fourth line:

lang_checks = check-gcc
CHECK_TARGETS = check-gcc
check: $(CHECK_TARGETS)
lang_checks_parallel = $(lang_checks:=//%)   <----- This line
$(lang_checks_parallel) : site.exp
        ...
        ...

Thank you,
Cliff

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