diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass index 4a0946c8e3..f1e62f1454 100644 --- a/meta/classes/image.bbclass +++ b/meta/classes/image.bbclass @@ -4,7 +4,7 @@ inherit populate_sdk_base TOOLCHAIN_TARGET_TASK += "${PACKAGE_INSTALL}" TOOLCHAIN_TARGET_TASK_ATTEMPTONLY += "${PACKAGE_INSTALL_ATTEMPTONLY}" -POPULATE_SDK_POST_TARGET_COMMAND += "rootfs_install_complementary populate_sdk; " +POPULATE_SDK_POST_TARGET_COMMAND += "rootfs_install_complementary populate_sdk; rootfs_sysroot_relativelinks; " inherit gzipnative @@ -617,6 +617,11 @@ rootfs_trim_schemas () { done } +# Make any absolute links in a sysroot relative +rootfs_sysroot_relativelinks () { + sysroot-relativelinks.py ${SDK_OUTPUT}/${SDKTARGETSYSROOT} +} + EXPORT_FUNCTIONS zap_root_password remove_init_link do_rootfs make_zimage_symlink_relative set_image_autologin rootfs_update_timestamp rootfs_no_x_startup do_fetch[noexec] = "1" diff --git a/scripts/sysroot-relativelinks.py b/scripts/sysroot-relativelinks.py new file mode 100755 index 0000000000..ac26367e77 --- /dev/null +++ b/scripts/sysroot-relativelinks.py @@ -0,0 +1,31 @@ +#!/usr/bin/env python +import sys +import os + +# Take a sysroot directory and turn all the abolute symlinks and turn them into +# relative ones such that the sysroot is usable within another system. + +if len(sys.argv) != 2: + print("Usage is " + sys.argv[0] + "") + sys.exit(1) + +topdir = sys.argv[1] +topdir = os.path.abspath(topdir) + +def handlelink(filep, subdir): + link = os.readlink(filep) + if link[0] != "/": + return + if link.startswith(topdir): + return + #print("Replacing %s with %s for %s" % (link, topdir+link, filep)) + print("Replacing %s with %s for %s" % (link, os.path.relpath(topdir+link, subdir), filep)) + os.unlink(filep) + os.symlink(os.path.relpath(topdir+link, subdir), filep) + +for subdir, dirs, files in os.walk(topdir): + for f in files: + filep = os.path.join(subdir, f) + if os.path.islink(filep): + #print("Considering %s" % filep) + handlelink(filep, subdir)