Revert "Just strip everything by default"

This reverts commit 2362891dc815160e343e52458f25db22508ac487. The patch
is broken. :-(

pkgs/build-support/setup-hooks/strip.sh

@@ -4,7 +4,7 @@ fixupOutputHooks+=(_doStrip)
 
 _doStrip() {
     if [ -z "$dontStrip" ]; then
-        stripDebugList=${stripDebugList:-.}
+        stripDebugList=${stripDebugList:-lib lib32 lib64 libexec bin sbin}
         if [ -n "$stripDebugList" ]; then
             stripDirs "$stripDebugList" "${stripDebugFlags:--S}"
         fi
@@ -29,20 +29,8 @@ stripDirs() {
     dirs=${dirsNew}
 
     if [ -n "${dirs}" ]; then
-        header "Stripping (with flags $stripFlags) in$dirs"
+        header "stripping (with flags $stripFlags) in$dirs"
-        while IFS= read -r -d $'\0' f; do
+        find $dirs -type f -print0 | xargs -0 ${xargsFlags:--r} strip $commonStripFlags $stripFlags || true
-            if out=$(strip $commonStripFlags $stripFlags "$f" 2>&1); then
-                echo "Stripped $f"
-            else
-                # Ignore failures on files that cannot be stripped.
-                if [ "$out" = "strip:$f: File format not recognized" ]; then
-                    continue
-                fi
-
-                echo "Strip failed on file $f: $out"
-                false # fail !
-            fi
-        done < <(find $dirs -type f -print0)
         stopNest
     fi
 }