0.pre7.86.flaky7.5:

[sbcl.git] / make-config.sh

diff --git a/make-config.sh b/make-config.sh
index 85eaea1..fb03490 100644 (file)
--- a/make-config.sh
+++ b/make-config.sh
@@ -18,14 +18,36 @@
 
 echo //entering make-config.sh
 
+echo //ensuring the existence of output/ directory
+if [ ! -d output ] ; then mkdir output; fi
+
 ltf=`pwd`/local-target-features.lisp-expr
 echo //initializing $ltf
-echo '; This is a machine-generated file and should not be edited by hand.' > $ltf
+echo ';;;; This is a machine-generated file.' > $ltf
+echo ';;;; Please do not edit it by hand.' >> $ltf
+echo ';;;; See make-config.sh.' >> $ltf
 echo -n '(' >> $ltf
 
-echo '//setting up "target"-named symlinks to designate target architecture'
-sbcl_arch=x86 # (the only possibility supported, at least as of sbcl-0.6.7)
-echo -n ":x86" >> $ltf # (again, the only possibility supported)
+echo //guessing default target CPU architecture from host architecture
+case `uname -m` in 
+    *86) guessed_sbcl_arch=x86 ;; 
+    [Aa]lpha) guessed_sbcl_arch=alpha ;;
+    *)
+        # If we're not building on a supported target architecture, we
+       # we have no guess, but it's not an error yet, since maybe
+       # target architecture will be specified explicitly below.
+       guessed_sbcl_arch=''
+       ;;
+esac
+
+echo //setting up CPU-architecture-dependent information
+sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
+echo sbcl_arch=\"$sbcl_arch\"
+if [ "$sbcl_arch" = "" ] ; then
+    echo "can't guess target SBCL architecture, need SBCL_ARCH environment var"
+    exit 1
+fi
+echo -n ":$sbcl_arch" >> $ltf 
 for d in src/compiler src/assembly; do
     echo //setting up symlink $d/target
     original_dir=`pwd`
@@ -49,25 +71,33 @@ echo //setting up OS-dependent information
 original_dir=`pwd`
 cd src/runtime/
 rm -f Config
-if [ `uname` = Linux ]; then
-    echo -n ' :linux' >> $ltf
-    ln -s Config.x86-linux Config
-elif uname | grep BSD; then
-    echo -n ' :bsd' >> $ltf
-    if [ `uname` = FreeBSD ]; then
-       echo -n ' :freebsd' >> $ltf
-       ln -s Config.x86-freebsd Config
-    elif [ `uname` = OpenBSD ]; then
-       echo -n ' :openbsd' >> $ltf
-       ln -s Config.x86-openbsd Config
-    else
-       echo unsupported BSD variant: `uname`
+case `uname` in 
+    Linux)
+       echo -n ' :linux' >> $ltf
+       ln -s Config.$sbcl_arch-linux Config
+       ;;
+    *BSD)
+       echo -n ' :bsd' >> $ltf
+       case `uname` in
+           FreeBSD)
+               echo -n ' :freebsd' >> $ltf
+               ln -s Config.$sbcl_arch-freebsd Config
+               ;;
+           OpenBSD)
+               echo -n ' :openbsd' >> $ltf
+               ln -s Config.$sbcl_arch-openbsd Config
+               ;;
+           *)
+               echo unsupported BSD variant: `uname`
+               exit 1
+               ;;
+       esac
+       ;;
+    *)
+       echo unsupported OS type: `uname`
        exit 1
-    fi
-else
-    echo unsupported OS type: `uname`
-    exit 1
-fi
+       ;;
+esac
 cd $original_dir
 
 echo //finishing $ltf