0.9.0.17: minor tweaks

 * install.sh checks that src/runtime/sbcl and output/sbcl.core exist,
    and abort if not.
 * distable step-instrumentation if COMPILATION-SPEED >= DEBUG.

diff --git a/NEWS b/NEWS
index 380cac8..6d37de6 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,7 @@
 changes in sbcl-0.9.1 relative to sbcl-0.9.0:
   * fixed cross-compiler leakages that prevented building a 32-bit
     target with a 64-bit host compiler.
+  * compiled code is not steppable if COMPILATION-SPEED >= DEBUG.
   * contrib improvement: implement SB-POSIX:MKSTEMP (Yannick Gingras)
   * optimization: There's now a fast-path for fixnum arguments in the
     generic subtraction routines on x86/x86-64. (Thanks to Lutz Euler)

diff --git a/doc/manual/debugger.texinfo b/doc/manual/debugger.texinfo
index fd299dd..663ad25 100644 (file)
--- a/doc/manual/debugger.texinfo
+++ b/doc/manual/debugger.texinfo
@@ -850,9 +850,13 @@ If @code{debug} is greater than both @code{speed} and @code{space},
 the command @command{return} can be used to continue execution by
 returning a value from the current stack frame.
 
-If @code{debug} is also at least 2, then  the code is @emph{partially
+@item > (max 1 speed space compilation-speed)
+If @code{debug} is also at least 2, then the code is @emph{partially
 steppable}. If @code{debug} is 3, the code is @emph{fully steppable}.
-@xref{Single Stepping}, for details.
+@xref{Single Stepping}, for details. Fully steppable code take
+exponentially longer to compile in some cases, and is significantly
+larger and slower; for partially steppable code the speed and space
+penalties are signigicantly smaller.
 
 @end table
 

diff --git a/install.sh b/install.sh
index fbad2a8..d1a19c5 100644 (file)
--- a/install.sh
+++ b/install.sh
@@ -14,6 +14,7 @@ MAN_DIR=${MAN_DIR-$INSTALL_ROOT/share/man}
 INFO_DIR=${INFO_DIR-$INSTALL_ROOT/share/info}
 DOC_DIR=${DOC_DIR-$INSTALL_ROOT/share/doc/sbcl}
 
+# Does the environment look sane?
 SBCL_SOURCE=`pwd`
 if [ -n "$SBCL_HOME" -a "$INSTALL_ROOT/lib/sbcl" != "$SBCL_HOME" ];then
    echo SBCL_HOME environment variable is set, and conflicts with INSTALL_ROOT.
@@ -22,6 +23,20 @@ if [ -n "$SBCL_HOME" -a "$INSTALL_ROOT/lib/sbcl" != "$SBCL_HOME" ];then
    echo SBCL_HOME="$SBCL_HOME"
    exit 1
 fi
+
+# Before doing anything else, make sure we have an SBCL to install
+if [ -f src/runtime/sbcl ]; then
+    if [ -f output/sbcl.core ]; then
+       true
+    else
+       echo "output/sbcl.core not found, aborting installation."
+       exit 1
+    fi
+else
+    echo "src/runtime/sbcl not found, aborting installation."
+    exit 1
+fi
+
 SBCL_HOME=$INSTALL_ROOT/lib/sbcl
 export SBCL_HOME INSTALL_ROOT
 ensure_dirs $BUILD_ROOT$INSTALL_ROOT $BUILD_ROOT$INSTALL_ROOT/bin \

diff --git a/src/compiler/policies.lisp b/src/compiler/policies.lisp
index d79a230..b62b239 100644 (file)
--- a/src/compiler/policies.lisp
+++ b/src/compiler/policies.lisp
@@ -72,7 +72,7 @@
   ("degraded" "full" "full" "full"))
 
 (define-optimization-quality insert-step-conditions
-    (if (> debug (max speed space))
+    (if (> debug (max speed space compilation-speed))
         debug
         0)
   ("no" "no" "partial" "full"))

diff --git a/version.lisp-expr b/version.lisp-expr
index 986d4f2..b0a83b5 100644 (file)
--- a/version.lisp-expr
+++ b/version.lisp-expr
@@ -17,4 +17,4 @@
 ;;; checkins which aren't released. (And occasionally for internal
 ;;; versions, especially for internal versions off the main CVS
 ;;; branch, it gets hairier, e.g. "0.pre7.14.flaky4.13".)
-"0.9.0.16"
+"0.9.0.17"