remove source_path_used

Not necessary since we use mkdir -p and from this patch test -f.

Also, dirname returns "." if a path has no directory component,
as is the case for "sh configure".
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

configure

@@ -480,14 +480,7 @@ fi
 
 # find source path
 source_path=`dirname "$0"`
-source_path_used="no"
-workdir=`pwd`
-if [ -z "$source_path" ]; then
-    source_path=$workdir
-else
-    source_path=`cd "$source_path"; pwd`
-fi
-[ -f "$workdir/vl.c" ] || source_path_used="yes"
+source_path=`cd "$source_path"; pwd`
 
 werror=""
 
@@ -501,7 +494,6 @@ for opt do
   --interp-prefix=*) interp_prefix="$optarg"
   ;;
   --source-path=*) source_path="$optarg"
-  source_path_used="yes"
   ;;
   --cross-prefix=*)
   ;;
@@ -3234,26 +3226,21 @@ echo "QEMU_INCLUDES+=$includes" >> $config_target_mak
 
 done # for target in $targets
 
-# build tree in object directory if source path is different from current one
-if test "$source_path_used" = "yes" ; then
-    DIRS="tests tests/cris slirp audio block net pc-bios/optionrom"
-    DIRS="$DIRS roms/seabios roms/vgabios"
-    DIRS="$DIRS fsdev ui"
-    FILES="Makefile tests/Makefile"
-    FILES="$FILES tests/cris/Makefile tests/cris/.gdbinit"
-    FILES="$FILES tests/test-mmap.c"
-    FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
-    FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
-    for bios_file in $source_path/pc-bios/*.bin $source_path/pc-bios/*.dtb $source_path/pc-bios/openbios-*; do
-        FILES="$FILES pc-bios/`basename $bios_file`"
-    done
-    for dir in $DIRS ; do
-            mkdir -p $dir
-    done
-    for f in $FILES ; do
-        symlink $source_path/$f $f
-    done
-fi
+# build tree in object directory in case the source is not in the current directory
+DIRS="tests tests/cris slirp audio block net pc-bios/optionrom"
+DIRS="$DIRS roms/seabios roms/vgabios"
+DIRS="$DIRS fsdev ui"
+FILES="Makefile tests/Makefile"
+FILES="$FILES tests/cris/Makefile tests/cris/.gdbinit"
+FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
+FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
+for bios_file in $source_path/pc-bios/*.bin $source_path/pc-bios/*.dtb $source_path/pc-bios/openbios-*; do
+    FILES="$FILES pc-bios/`basename $bios_file`"
+done
+mkdir -p $DIRS
+for f in $FILES ; do
+    test -f $f || symlink $source_path/$f $f
+done
 
 # temporary config to build submodules
 for rom in seabios vgabios ; do