In recompiling the native libraries for Hadoop 2.6.4 for ARM64, I need 
protobuf 2.5.0 for ARM64. But when I try to build protobuf 2.5.0 on an 
ARM64 cpu, I get the 'atomicops' error shown below. This error seems 
similar to this bug report for Solaris:
https://groups.google.com/forum/#!topic/protobuf/ozYD2lXIkGo
but in my case it is for ARM64. It would be great if someone could either 
suggest a workaround or suggest how to fix the protobuf 2.5.0 make files. 
Unfortunately the build of the Hadoop native libraries is insisting on 
protobuf 2.5.0 so using a more recent protobuf version doesn't appear to be 
an option.. 

Here is my make listing, with the error shown at the end:
make
make  all-recursive
make[1]: Entering directory '/home/hduser/Downloads/protobuf-2.5.0'
Making all in .
make[2]: Entering directory '/home/hduser/Downloads/protobuf-2.5.0'
make[2]: Leaving directory '/home/hduser/Downloads/protobuf-2.5.0'
Making all in src
make[2]: Entering directory '/home/hduser/Downloads/protobuf-2.5.0/src'
/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. 
-I..    -pthread -Wall -Wwrite-strings -Woverloaded-virtual 
-Wno-sign-compare -O2 -g -DNDEBUG -MT atomicops_internals_x86_gcc.lo -MD 
-MP -MF .deps/atomicops_internals_x86_gcc.Tpo -c -o 
atomicops_internals_x86_gcc.lo `test -f 
'google/protobuf/stubs/atomicops_internals_x86_gcc.cc' || echo 
'./'`google/protobuf/stubs/atomicops_internals_x86_gcc.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -pthread -Wall 
-Wwrite-strings -Woverloaded-virtual -Wno-sign-compare -O2 -g -DNDEBUG -MT 
atomicops_internals_x86_gcc.lo -MD -MP -MF 
.deps/atomicops_internals_x86_gcc.Tpo -c 
google/protobuf/stubs/atomicops_internals_x86_gcc.cc  -fPIC -DPIC -o 
.libs/atomicops_internals_x86_gcc.o
In file included from ./google/protobuf/stubs/atomicops.h:59:0,
                 from 
google/protobuf/stubs/atomicops_internals_x86_gcc.cc:36:
./google/protobuf/stubs/platform_macros.h:61:2: error: #error Host 
architecture was not detected as supported by protobuf
 #error Host architecture was not detected as supported by protobuf
  ^
In file included from 
google/protobuf/stubs/atomicops_internals_x86_gcc.cc:36:0:
./google/protobuf/stubs/atomicops.h:161:1: error: stray â#â in program
 #error "Atomic operations are not supported on your platform"
 ^
./google/protobuf/stubs/atomicops.h:188:1: note: in expansion of macro 
âGOOGLE_PROTOBUF_ATOMICOPS_ERRORâ
 GOOGLE_PROTOBUF_ATOMICOPS_ERROR
 ^
./google/protobuf/stubs/atomicops.h:161:2: error: âerrorâ does not name a 
type
 #error "Atomic operations are not supported on your platform"
  ^
./google/protobuf/stubs/atomicops.h:188:1: note: in expansion of macro 
âGOOGLE_PROTOBUF_ATOMICOPS_ERRORâ
 GOOGLE_PROTOBUF_ATOMICOPS_ERROR
 ^
Makefile:1481: recipe for target 'atomicops_internals_x86_gcc.lo' failed
make[2]: *** [atomicops_internals_x86_gcc.lo] Error 1
make[2]: Leaving directory '/home/hduser/Downloads/protobuf-2.5.0/src'
Makefile:669: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/hduser/Downloads/protobuf-2.5.0'
Makefile:576: recipe for target 'all' failed
make: *** [all] Error 2

 

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