Merge remote-tracking branch 'ppc-port/ppc-squashed'

diff --combined configure
index cee817e,288d65d..08ef19a
--- 1/configure
--- 2/configure
+++ b/configure
@@@ -50,8 -50,9 +50,8 @@@ fnmatch () { eval "case \"\$2\" in $1) 
  cmdexists () { type "$1" >/dev/null 2>&1 ; }
  trycc () { test -z "$CC" && cmdexists "$1" && CC=$1 ; }
  
 -setdir () {
 -if eval "test -z \"\${$1}\"" ; then eval "$1=\$2"
 -else eval "fnmatch '*/' \"\${$1}\"" && eval "$1=\${$1%/}" ; fi
 +stripdir () {
 +while eval "fnmatch '*/' \"\${$1}\"" ; do eval "$1=\${$1%/}" ; done
  }
  
  tryflag () {
@@@ -89,15 -90,15 +89,15 @@@ f
  CFLAGS_C99FSE=
  CFLAGS_AUTO=
  LDFLAGS_AUTO=
 -prefix=
 -exec_prefix=
 -bindir=
 -libdir=
 -includedir=
 -syslibdir=
 +prefix=/usr/local/musl
 +exec_prefix='$(prefix)'
 +bindir='$(exec_prefix)/bin'
 +libdir='$(prefix)/lib'
 +includedir='$(prefix)/include'
 +syslibdir='/lib'
  target=
  debug=no
 -warnings=
 +warnings=no
  shared=yes
  static=yes
  
@@@ -134,9 -135,12 +134,9 @@@ LIBCC=*) LIBCC=${arg#*=} ;
  esac
  done
  
 -setdir prefix /usr/local/musl
 -setdir exec_prefix '$(prefix)'
 -setdir bindir '$(exec_prefix)/bin'
 -setdir libdir '$(prefix)/lib'
 -setdir includedir '$(prefix)/include'
 -setdir syslibdir '/lib'
 +for i in prefix exec_prefix bindir libdir includedir syslibdir ; do
 +stripdir $i
 +done
  
  #
  # Get a temp filename we can use
@@@ -199,6 -203,7 +199,7 @@@ i?86*) ARCH=i386 ;
  x86_64*) ARCH=x86_64 ;;
  mips-*|mipsel-*) ARCH=mips ;;
  microblaze-*) ARCH=microblaze ;;
+ powerpc-*) ARCH=powerpc ;;
  unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;;
  *) fail "$0: unknown or unsupported target \"$target\"" ;;
  esac