[LLVMdev] How to Cross Compile libcompiler_rt Static Library?

[Chao Yan]

2015-03-29 19:41 GMT-05:00 Richard Pennington <rich at pennware.com>:

> I also use my own Makefiles to build compiler-rt for ELLCC. I build for
> ARM, Mips, Microblaze, PowerPC, and x86. This is the list of files I came
> up with: http://ellcc.org/viewvc/svn/ellcc/trunk/libecc/src/
> compiler-rt/sources.mk?view=markup
>
> More info at http://ellcc.org
>

I've check the compiler-rt source code and try to run  "make
arm-linux-engeabi" in ellcc/libecc directory. I got the following errors:

Making libcompiler-rt for arm-linux-engeabi in compiler-rt-build
arm-linux-engeabi
cp: cannot stat ‘Makefile.lib’: No such file or directory

I've searched through the directory but there is no "Makefile.lib". Run
"locate Makefile.lib" I find:

/usr/src/linux-headers-3.13.0-45/scripts/Makefile.lib
/usr/src/linux-headers-3.13.0-45/scripts/dtc/libfdt/Makefile.libfdt
/usr/src/linux-headers-3.13.0-45-generic/scripts/Makefile.lib
/usr/src/linux-headers-3.13.0-46/scripts/Makefile.lib
/usr/src/linux-headers-3.13.0-46/scripts/dtc/libfdt/Makefile.libfdt
/usr/src/linux-headers-3.13.0-46-generic/scripts/Makefile.lib
/usr/src/linux-headers-3.13.0-48/scripts/Makefile.lib
/usr/src/linux-headers-3.13.0-48/scripts/dtc/libfdt/Makefile.libfdt
/usr/src/linux-headers-3.13.0-48-generic/scripts/Makefile.lib

I've tried to use these Makefile.lib but they are not working properly:
arm-linux-engeabi
make[1]: *** No rule to make target `install'.  Stop.

Am I missing something? BTW in your makefile line 49:

$(OUT)cp -p Makefile.lib compiler-rt-build/$@/Makefile

The $(OUT) stuff at the beginning seems not useful?

Thanks,
Chao
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