package.bbclass: Improve strip function and convert to python (from poky)
authorRichard Purdie <rpurdie@rpsys.net>
Sat, 1 Sep 2007 15:08:16 +0000 (15:08 +0000)
committerRichard Purdie <rpurdie@rpsys.net>
Sat, 1 Sep 2007 15:08:16 +0000 (15:08 +0000)
classes/package.bbclass

index 95e4acd..bc69dc9 100644 (file)
@@ -136,59 +136,57 @@ python () {
         bb.data.setVarFlag('do_package', 'deptask', 'do_package', d)
 }
 
-# file(1) output to match to consider a file an unstripped executable
-FILE_UNSTRIPPED_MATCH ?= "not stripped"
-#FIXME: this should be "" when any errors are gone!
-IGNORE_STRIP_ERRORS ?= "1"
-
-runstrip() {
-       # Function to strip a single file, called from RUNSTRIP in populate_packages below
-       # A working 'file' (one which works on the target architecture)
-       # is necessary for this stuff to work, hence the addition to do_package[depends]
-
-       local ro st
-
-       st=0
-       if {    file "$1" || {
-                       oewarn "file $1: failed (forced strip)" >&2
-                       echo '${FILE_UNSTRIPPED_MATCH}'
-               }
-          } | grep -q '${FILE_UNSTRIPPED_MATCH}'
-       then
-               oenote "${STRIP} $1"
-               ro=
-               test -w "$1" || {
-                       ro=1
-                       chmod +w "$1"
-               }
-               mkdir -p $(dirname "$1")/.debug
-               debugfile="$(dirname "$1")/.debug/$(basename "$1")"
-               '${OBJCOPY}' --only-keep-debug "$1" "$debugfile"
-               '${STRIP}' "$1"
-               st=$?
-               '${OBJCOPY}' --add-gnu-debuglink="$debugfile" "$1"
-               test -n "$ro" && chmod -w "$1"
-               if test $st -ne 0
-               then
-                       oewarn "runstrip: ${STRIP} $1: strip failed" >&2
-                       if [ x${IGNORE_STRIP_ERRORS} = x1 ]
-                       then
-                               #FIXME: remove this, it's for error detection
-                               if file "$1" 2>/dev/null >&2
-                               then
-                                       (oefatal "${STRIP} $1: command failed" >/dev/tty)
-                               else
-                                       (oefatal "file $1: command failed" >/dev/tty)
-                               fi
-                               st=0
-                       fi
-               fi
-       else
-               oenote "runstrip: skip $1"
-       fi
-       return $st
-}
 
+def runstrip(file, d):
+    # Function to strip a single file, called from populate_packages below
+    # A working 'file' (one which works on the target architecture)
+    # is necessary for this stuff to work, hence the addition to do_package[depends]
+
+    import bb, os, commands, stat
+
+    pathprefix = "export PATH=%s; " % bb.data.getVar('PATH', d, 1)
+
+    ret, result = commands.getstatusoutput("%sfile '%s'" % (pathprefix, file))
+
+    if ret:
+        bb.error("runstrip: 'file %s' failed (forced strip)" % file)
+
+    if "not stripped" not in result:
+        bb.debug(1, "runstrip: skip %s" % file)
+        return 0
+
+    strip = bb.data.getVar("STRIP", d, 1)
+    objcopy = bb.data.getVar("OBJCOPY", d, 1)
+
+    newmode = None
+    if not os.access(file, os.W_OK):
+        origmode = os.stat(file)[stat.ST_MODE]
+        newmode = origmode | stat.S_IWRITE
+        os.chmod(file, newmode)
+
+    extraflags = ""
+    if ".so" in file and "shared" in result:
+        extraflags = "--remove-section=.comment --remove-section=.note --strip-unneeded"
+    elif "shared" in result or "executable" in result:
+        extraflags = "--remove-section=.comment --remove-section=.note"
+
+    bb.mkdirhier(os.path.join(os.path.dirname(file), ".debug"))
+    debugfile=os.path.join(os.path.dirname(file), ".debug", os.path.basename(file))
+
+    stripcmd = "'%s' %s '%s'" % (strip, extraflags, file)
+    bb.debug(1, "runstrip: %s" % stripcmd)
+
+    os.system("%s'%s' --only-keep-debug '%s' '%s'" % (pathprefix, objcopy, file, debugfile))
+    ret = os.system("%s%s" % (pathprefix, stripcmd))
+    os.system("%s'%s' --add-gnu-debuglink='%s' '%s'" % (pathprefix, objcopy, debugfile, file))
+
+    if newmode:
+        os.chmod(file, origmode)
+
+    if ret:
+        bb.error("runstrip: '%s' strip command failed" % stripcmd)
+
+    return 1
 
 #
 # Package data handling routines
@@ -376,19 +374,11 @@ python populate_packages () {
                        package_list.append(pkg)
 
        if (bb.data.getVar('INHIBIT_PACKAGE_STRIP', d, 1) != '1'):
-               stripfunc = ""
                for root, dirs, files in os.walk(dvar):
                        for f in files:
                                file = os.path.join(root, f)
                                if not os.path.islink(file) and not os.path.isdir(file) and isexec(file):
-                                       stripfunc += "\trunstrip %s || st=1\n" % (file)
-               if not stripfunc == "":
-                       from bb import build
-                       localdata = bb.data.createCopy(d)
-                       # strip
-                       bb.data.setVar('RUNSTRIP', '\tlocal st\n\tst=0\n%s\treturn $st' % stripfunc, localdata)
-                       bb.data.setVarFlag('RUNSTRIP', 'func', 1, localdata)
-                       bb.build.exec_func('RUNSTRIP', localdata)
+                                       runstrip(file, d)
 
        for pkg in package_list:
                localdata = bb.data.createCopy(d)