[LLVMdev] Error building llvm on AIX 7.1

sunilsaggar sunil.saggar at gmail.com
Tue Oct 23 23:26:12 PDT 2012

AIX 7.1 & Power5 

I have downloaded the llvm source and ran the following steps:
1. ./configure --enable-targets=powerpc
2. gmake

Apart from it, i had to make a few changes.

i. dladdr code has been commented for the time being and using the default
constructor code for that method
ii. In Makefile.config, 2 changes were done.

  +153  # Linker flags.
  +154  LDFLAGS+=-Wl,-G,-bexpfull

  +211  # What to pass as -rdynamic flag to g++
  +212  #RDYNAMIC := -Wl,-export-dynamic
  +213  RDYNAMIC := -Wl,-brtl

It helped me to proceed lot further with the compilation but i am stuck at
assembler error while compiling
/usr/llvm/llvm-3.1.src/lib/Target/PowerPC/PPCJITInfo.cpp file. It throws the
following error.

# pwd
# gmake
llvm[0]: Compiling PPCJITInfo.cpp for Release+Asserts build
/tmp//ccKtnq1J.s: line 5: 1252-016 The specified opcode or pseudo-op is not
        Use supported instructions or pseudo-ops only.
gmake: ***
Error 1

Also, the file mentions it as a "JIT interfaces for the 32-bit PowerPC
target"  but i have a 64-bit machine . So, do i need this file? Am i missing
something while compiling ?

Please advise.


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