diff options
Diffstat (limited to 'yocto-poky/meta/classes/externalsrc.bbclass')
-rw-r--r-- | yocto-poky/meta/classes/externalsrc.bbclass | 67 |
1 files changed, 64 insertions, 3 deletions
diff --git a/yocto-poky/meta/classes/externalsrc.bbclass b/yocto-poky/meta/classes/externalsrc.bbclass index f7ed66d8c..da7eb4781 100644 --- a/yocto-poky/meta/classes/externalsrc.bbclass +++ b/yocto-poky/meta/classes/externalsrc.bbclass @@ -25,6 +25,7 @@ # SRCTREECOVEREDTASKS ?= "do_patch do_unpack do_fetch" +EXTERNALSRC_SYMLINKS ?= "oe-workdir:${WORKDIR} oe-logs:${T}" python () { externalsrc = d.getVar('EXTERNALSRC', True) @@ -51,7 +52,7 @@ python () { # Dummy value because the default function can't be called with blank SRC_URI d.setVar('SRCPV', '999') - tasks = filter(lambda k: d.getVarFlag(k, "task"), d.keys()) + tasks = filter(lambda k: d.getVarFlag(k, "task", True), d.keys()) for task in tasks: if task.endswith("_setscene"): @@ -82,12 +83,72 @@ python () { bb.build.deltask(task, d) d.prependVarFlag('do_compile', 'prefuncs', "externalsrc_compile_prefunc ") + d.prependVarFlag('do_configure', 'prefuncs', "externalsrc_configure_prefunc ") - # Ensure compilation happens every time - d.setVarFlag('do_compile', 'nostamp', '1') + # Force the recipe to be always re-parsed so that the file_checksums + # function is run every time + d.setVar('BB_DONT_CACHE', '1') + d.setVarFlag('do_compile', 'file-checksums', '${@srctree_hash_files(d)}') + + # We don't want the workdir to go away + d.appendVar('RM_WORK_EXCLUDE', ' ' + d.getVar('PN', True)) + + # If B=S the same builddir is used even for different architectures. + # Thus, use a shared CONFIGURESTAMPFILE and STAMP directory so that + # change of do_configure task hash is correctly detected and stamps are + # invalidated if e.g. MACHINE changes. + if d.getVar('S', True) == d.getVar('B', True): + configstamp = '${TMPDIR}/work-shared/${PN}/${EXTENDPE}${PV}-${PR}/configure.sstate' + d.setVar('CONFIGURESTAMPFILE', configstamp) + d.setVar('STAMP', '${STAMPS_DIR}/work-shared/${PN}/${EXTENDPE}${PV}-${PR}') +} + +python externalsrc_configure_prefunc() { + # Create desired symlinks + symlinks = (d.getVar('EXTERNALSRC_SYMLINKS', True) or '').split() + for symlink in symlinks: + symsplit = symlink.split(':', 1) + lnkfile = os.path.join(d.getVar('S', True), symsplit[0]) + target = d.expand(symsplit[1]) + if len(symsplit) > 1: + if os.path.islink(lnkfile): + # Link already exists, leave it if it points to the right location already + if os.readlink(lnkfile) == target: + continue + os.unlink(lnkfile) + elif os.path.exists(lnkfile): + # File/dir exists with same name as link, just leave it alone + continue + os.symlink(target, lnkfile) } python externalsrc_compile_prefunc() { # Make it obvious that this is happening, since forgetting about it could lead to much confusion bb.plain('NOTE: %s: compiling from external source tree %s' % (d.getVar('PN', True), d.getVar('EXTERNALSRC', True))) } + +def srctree_hash_files(d): + import shutil + import subprocess + import tempfile + + s_dir = d.getVar('EXTERNALSRC', True) + git_dir = os.path.join(s_dir, '.git') + oe_hash_file = os.path.join(git_dir, 'oe-devtool-tree-sha1') + + ret = " " + if os.path.exists(git_dir): + with tempfile.NamedTemporaryFile(dir=git_dir, prefix='oe-devtool-index') as tmp_index: + # Clone index + shutil.copy2(os.path.join(git_dir, 'index'), tmp_index.name) + # Update our custom index + env = os.environ.copy() + env['GIT_INDEX_FILE'] = tmp_index.name + subprocess.check_output(['git', 'add', '.'], cwd=s_dir, env=env) + sha1 = subprocess.check_output(['git', 'write-tree'], cwd=s_dir, env=env) + with open(oe_hash_file, 'w') as fobj: + fobj.write(sha1) + ret = oe_hash_file + ':True' + else: + ret = d.getVar('EXTERNALSRC', True) + '/*:True' + return ret |