updated for rpi 2

build-ghc-arm.sh

#!/bin/bash -e

bindir=`pwd`/bin-tmp
mkdir -p $bindir
export PATH=$bindir:$PATH
function use_ld() {
        rm -f $bindir/ld
        ln -s $1 $bindir/ld
        echo "Using $1 for ld"
}                      
                       
# Wrapper to strip out BFD ld options which ghc 7.6 will attempt to pass to gold               
cat >$bindir/ld.gold-fixed <<EOF 
#!/usr/bin/env python
# From http://stackoverflow.com/questions/6952396                                              
                                                                                               
import sys
import os                                                                                      
import subprocess
               
                    
tofilter = [        
    "--hash-size", 
    "--reduce-memory-overheads",
]                                                                                              
    
filtered = [ a for a in sys.argv if not any(a.startswith(p) for p in tofilter) ]               
filtered[0] = "/usr/bin/ld.gold"
        
subprocess.check_call(filtered)
EOF                
chmod ugo+rx $bindir/ld.gold-fixed
                   
                   
# Build utilities using BFD ld                                                                 
use_ld /usr/bin/ld.bfd
make $@ -j 5 -r -f ghc.mk phase=0 phase_0_builds                                                    
make $@ -j 5 -r -f ghc.mk phase=1 utils/hsc2hs/dist/build/tmp/hsc2hs                                
make $@ -j 5 -r -f ghc.mk phase=1 utils/ghc-pkg/dist/build/tmp/ghc-pkg                              
make $@ -j 5 -r -f ghc.mk phase=1 utils/genapply/dist/build/tmp/genapply                            
make $@ -j 5 -r -f ghc.mk phase=1 inplace/lib/bin/ghc-stage1                                        
                                                                                               
# Build phase 1 using gold
use_ld $bindir/ld.gold-fixed
make $@ -j 5
make -j 5 -C ghc $@ 1