add --arch option to make.sh

  Not for full-blown cross compilation, though.

diff --git a/NEWS b/NEWS
index 63ddfec..3f0c6ae 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,10 @@
 ;;;; -*- coding: utf-8; fill-column: 78 -*-
 ;;;; -*- coding: utf-8; fill-column: 78 -*-

+changes relative to sbcl-1.0.54:
+  * enhancements to building SBCL:
+    ** --arch option can be used to specify the architecture to build for.
+       (Mainly useful for building 32-bit SBCL's on x86-64 hosts, not
+       full-blows cross-compilation.)
+

 changes in sbcl-1.0.54 relative to sbcl-1.0.53:
   * minor incompatible changes:
     ** RENAME-FILE on a symbolic links used to rename the linked-to file
 changes in sbcl-1.0.54 relative to sbcl-1.0.53:
   * minor incompatible changes:
     ** RENAME-FILE on a symbolic links used to rename the linked-to file

diff --git a/make-config.sh b/make-config.sh
index 157eea0..472cd3a 100644 (file)
--- a/make-config.sh
+++ b/make-config.sh
@@ -65,6 +65,9 @@ do
       --prefix=)
         $optarg_ok && SBCL_PREFIX=$optarg
         ;;
       --prefix=)
         $optarg_ok && SBCL_PREFIX=$optarg
         ;;

+      --arch=)
+        $oparg_ok && SBCL_ARCH=$optarg
+        ;;

       --xc-host=)
         $optarg_ok && SBCL_XC_HOST=$optarg
         ;;
       --xc-host=)
         $optarg_ok && SBCL_XC_HOST=$optarg
         ;;

@@ -128,6 +131,10 @@ Options:
       taken to be megabytes unless explicitly suffixed with Gb in
       order to specify the size in gigabytes.
 
       taken to be megabytes unless explicitly suffixed with Gb in
       order to specify the size in gigabytes.
 

+  --arch=<string>      Specify the architecture to build for.
+
+      Mainly for doing x86 builds on x86-64.
+

   --xc-host=<string>   Specify the Common Lisp compilation host.
 
       The string provided should be a command to invoke the
   --xc-host=<string>   Specify the Common Lisp compilation host.
 
       The string provided should be a command to invoke the

@@ -318,7 +325,7 @@ echo //setting up CPU-architecture-dependent information
 sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
 echo sbcl_arch=\"$sbcl_arch\"
 if [ "$sbcl_arch" = "" ] ; then
 sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
 echo sbcl_arch=\"$sbcl_arch\"
 if [ "$sbcl_arch" = "" ] ; then

-    echo "can't guess target SBCL architecture, need SBCL_ARCH environment var"
+    echo "can't guess target SBCL architecture, please specify --arch=<name>"

     exit 1
 fi
 printf ":%s" "$sbcl_arch" >> $ltf
     exit 1
 fi
 printf ":%s" "$sbcl_arch" >> $ltf