[cfe-dev] Unable to compile on Cygwin

[Daniel Dilts]

I am attempting to compile Clang on Cygwin.  I get an error and would
appreciate any pointers on how to proceed.

I checked out llvm, clang, clang extra tools, and compiler-rt.

I compiled using:
cmake ../llvm
make

I get the following failure:

[ 57%] Built target gtest_main
[ 57%] Building C object
projects/compiler-rt/lib/builtins/CMakeFiles/clang_rt.builtins-x86_64.dir/x86_64/floatdidf.c.o
In file included from
/home/DiltsDa/arm/llvm/projects/compiler-rt/lib/builtins/x86_64/../int_types.h:21:0,
                 from
/home/DiltsDa/arm/llvm/projects/compiler-rt/lib/builtins/x86_64/../int_lib.h:51,
                 from
/home/DiltsDa/arm/llvm/projects/compiler-rt/lib/builtins/x86_64/floatdidf.c:9:
/home/DiltsDa/arm/llvm/projects/compiler-rt/lib/builtins/x86_64/../int_endianness.h:109:2:
error: #error Unable to determine endian
 #error Unable to determine endian
  ^
projects/compiler-rt/lib/builtins/CMakeFiles/clang_rt.builtins-x86_64.dir/build.make:57:
recipe for target
'projects/compiler-rt/lib/builtins/CMakeFiles/clang_rt.builtins-x86_64.dir/x86_64/floatdidf.c.o'
failed
make[2]: ***
[projects/compiler-rt/lib/builtins/CMakeFiles/clang_rt.builtins-x86_64.dir/x86_64/floatdidf.c.o]
Error 1
CMakeFiles/Makefile2:7316: recipe for target
'projects/compiler-rt/lib/builtins/CMakeFiles/clang_rt.builtins-x86_64.dir/all'
failed
make[1]: ***
[projects/compiler-rt/lib/builtins/CMakeFiles/clang_rt.builtins-x86_64.dir/all]
Error 2
Makefile:136: recipe for target 'all' failed
make: *** [all] Error 2
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