Allow powerpc build, use -shared everywhere.

From drahn@

lang/tcl/8.0/patches/patch-aa

@@ -1,6 +1,6 @@
---- configure.orig	Tue Mar  9 01:51:26 1999
-+++ configure	Thu Jan 13 18:03:25 2000
-@@ -4095,16 +4095,21 @@
+--- configure.orig	Tue Mar  9 00:51:26 1999
++++ configure	Thu Nov  2 09:56:59 2000
+@@ -4095,16 +4095,26 @@
  fi
  if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
    echo "$ac_t""yes" 1>&6
@@ -14,11 +14,17 @@
 +	    *)
 +		SHLIB_CFLAGS="-fpic";;
 +	    esac
-+	    SHLIB_LD="ld -Bshareable -Bforcearchive -x"
++	    SHLIB_LD="cc -shared ${SHLIB_CFLAGS}"
  	    SHLIB_LD_LIBS=""
  	    SHLIB_SUFFIX=".so"
  	    DL_OBJS="tclLoadDl.o"
- 	    DL_LIBS=""
+-	    DL_LIBS=""
++	    case `machine` in
++	    powerpc)
++		    DL_LIBS="-ldl";;
++	    *)
++		    DL_LIBS="";;
++	    esac
  	    LD_FLAGS=""
  	    LD_SEARCH_FLAGS=""
 -	    TCL_SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so.1.0'
@@ -26,7 +32,7 @@
  	
  else
    echo "$ac_t""no" 1>&6
-@@ -4656,10 +4661,9 @@
+@@ -4656,10 +4666,9 @@
      TCL_LD_SEARCH_FLAGS="${LD_SEARCH_FLAGS}"
      eval "TCL_LIB_FILE=libtcl${TCL_SHARED_LIB_SUFFIX}"
      if test "x$DL_OBJS" = "xtclLoadAout.o"; then