Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/classes/icecc.bbclass b/meta/classes/icecc.bbclass
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+# IceCream distributed compiling support
+#
+# Stages directories with symlinks from gcc/g++ to icecc, for both
+# native and cross compilers. Depending on each configure or compile,
+# the directories are added at the head of the PATH list and ICECC_CXX
+# and ICEC_CC are set.
+#
+# For the cross compiler, creates a tar.gz of our toolchain and sets
+# ICECC_VERSION accordingly.
+#
+# The class now handles all 3 different compile 'stages' (i.e native ,cross-kernel and target) creating the
+# necessary environment tar.gz file to be used by the remote machines.
+# It also supports meta-toolchain generation
+#
+# If ICECC_PATH is not set in local.conf then the class will try to locate it using 'bb.utils.which'
+# but nothing is sure ;)
+#
+# If ICECC_ENV_EXEC is set in local.conf, then it should point to the icecc-create-env script provided by the user
+# or the default one provided by icecc-create-env.bb will be used
+# (NOTE that this is a modified version of the script need it and *not the one that comes with icecc*
+#
+# User can specify if specific packages or packages belonging to class should not use icecc to distribute
+# compile jobs to remote machines, but handled locally, by defining ICECC_USER_CLASS_BL and ICECC_USER_PACKAGE_BL
+# with the appropriate values in local.conf. In addition the user can force to enable icecc for packages
+# which set an empty PARALLEL_MAKE variable by defining ICECC_USER_PACKAGE_WL.
+#
+#########################################################################################
+#Error checking is kept to minimum so double check any parameters you pass to the class
+###########################################################################################
+
+BB_HASHBASE_WHITELIST += "ICECC_PARALLEL_MAKE ICECC_DISABLED ICECC_USER_PACKAGE_BL ICECC_USER_CLASS_BL ICECC_USER_PACKAGE_WL ICECC_PATH ICECC_ENV_EXEC"
+
+ICECC_ENV_EXEC ?= "${STAGING_BINDIR_NATIVE}/icecc-create-env"
+
+def icecc_dep_prepend(d):
+ # INHIBIT_DEFAULT_DEPS doesn't apply to the patch command. Whether or not
+ # we need that built is the responsibility of the patch function / class, not
+ # the application.
+ if not d.getVar('INHIBIT_DEFAULT_DEPS', False):
+ return "icecc-create-env-native"
+ return ""
+
+DEPENDS_prepend += "${@icecc_dep_prepend(d)} "
+
+def get_cross_kernel_cc(bb,d):
+ kernel_cc = d.getVar('KERNEL_CC', False)
+
+ # evaluate the expression by the shell if necessary
+ if '`' in kernel_cc or '$(' in kernel_cc:
+ kernel_cc = os.popen("echo %s" % kernel_cc).read()[:-1]
+
+ kernel_cc = d.expand(kernel_cc)
+ kernel_cc = kernel_cc.replace('ccache', '').strip()
+ kernel_cc = kernel_cc.split(' ')[0]
+ kernel_cc = kernel_cc.strip()
+ return kernel_cc
+
+def get_icecc(d):
+ return d.getVar('ICECC_PATH', False) or bb.utils.which(os.getenv("PATH"), "icecc")
+
+def create_path(compilers, bb, d):
+ """
+ Create Symlinks for the icecc in the staging directory
+ """
+ staging = os.path.join(d.expand('${STAGING_BINDIR}'), "ice")
+ if icc_is_kernel(bb, d):
+ staging += "-kernel"
+
+ #check if the icecc path is set by the user
+ icecc = get_icecc(d)
+
+ # Create the dir if necessary
+ try:
+ os.stat(staging)
+ except:
+ try:
+ os.makedirs(staging)
+ except:
+ pass
+
+ for compiler in compilers:
+ gcc_path = os.path.join(staging, compiler)
+ try:
+ os.stat(gcc_path)
+ except:
+ try:
+ os.symlink(icecc, gcc_path)
+ except:
+ pass
+
+ return staging
+
+def use_icc(bb,d):
+ if d.getVar('ICECC_DISABLED', False) == "1":
+ # don't even try it, when explicitly disabled
+ return "no"
+
+ # allarch recipes don't use compiler
+ if icc_is_allarch(bb, d):
+ return "no"
+
+ pn = d.getVar('PN', True)
+
+ system_class_blacklist = []
+ user_class_blacklist = (d.getVar('ICECC_USER_CLASS_BL', False) or "none").split()
+ package_class_blacklist = system_class_blacklist + user_class_blacklist
+
+ for black in package_class_blacklist:
+ if bb.data.inherits_class(black, d):
+ bb.debug(1, "%s: class %s found in blacklist, disable icecc" % (pn, black))
+ return "no"
+
+ # "system" recipe blacklist contains a list of packages that can not distribute compile tasks
+ # for one reason or the other
+ # this is the old list (which doesn't seem to be valid anymore, because I was able to build
+ # all these with icecc enabled)
+ # system_package_blacklist = [ "uclibc", "glibc", "gcc", "bind", "u-boot", "dhcp-forwarder", "enchant", "connman", "orbit2" ]
+ # when adding new entry, please document why (how it failed) so that we can re-evaluate it later
+ # e.g. when there is new version
+ # building libgcc-initial with icecc fails with CPP sanity check error if host sysroot contains cross gcc built for another target tune/variant
+ system_package_blacklist = ["libgcc-initial"]
+ user_package_blacklist = (d.getVar('ICECC_USER_PACKAGE_BL', False) or "").split()
+ user_package_whitelist = (d.getVar('ICECC_USER_PACKAGE_WL', False) or "").split()
+ package_blacklist = system_package_blacklist + user_package_blacklist
+
+ if pn in package_blacklist:
+ bb.debug(1, "%s: found in blacklist, disable icecc" % pn)
+ return "no"
+
+ if pn in user_package_whitelist:
+ bb.debug(1, "%s: found in whitelist, enable icecc" % pn)
+ return "yes"
+
+ if d.getVar('PARALLEL_MAKE', False) == "":
+ bb.debug(1, "%s: has empty PARALLEL_MAKE, disable icecc" % pn)
+ return "no"
+
+ return "yes"
+
+def icc_is_allarch(bb, d):
+ return d.getVar("PACKAGE_ARCH", False) == "all"
+
+def icc_is_kernel(bb, d):
+ return \
+ bb.data.inherits_class("kernel", d);
+
+def icc_is_native(bb, d):
+ return \
+ bb.data.inherits_class("cross", d) or \
+ bb.data.inherits_class("native", d);
+
+# Don't pollute allarch signatures with TARGET_FPU
+icc_version[vardepsexclude] += "TARGET_FPU"
+def icc_version(bb, d):
+ if use_icc(bb, d) == "no":
+ return ""
+
+ parallel = d.getVar('ICECC_PARALLEL_MAKE', False) or ""
+ if not d.getVar('PARALLEL_MAKE', False) == "" and parallel:
+ d.setVar("PARALLEL_MAKE", parallel)
+
+ if icc_is_native(bb, d):
+ archive_name = "local-host-env"
+ elif d.expand('${HOST_PREFIX}') == "":
+ bb.fatal(d.expand("${PN}"), " NULL prefix")
+ else:
+ prefix = d.expand('${HOST_PREFIX}' )
+ distro = d.expand('${DISTRO}')
+ target_sys = d.expand('${TARGET_SYS}')
+ float = d.getVar('TARGET_FPU', False) or "hard"
+ archive_name = prefix + distro + "-" + target_sys + "-" + float
+ if icc_is_kernel(bb, d):
+ archive_name += "-kernel"
+
+ import socket
+ ice_dir = d.expand('${STAGING_DIR_NATIVE}${prefix_native}')
+ tar_file = os.path.join(ice_dir, 'ice', archive_name + "-@VERSION@-" + socket.gethostname() + '.tar.gz')
+
+ return tar_file
+
+def icc_path(bb,d):
+ if use_icc(bb, d) == "no":
+ # don't create unnecessary directories when icecc is disabled
+ return
+
+ if icc_is_kernel(bb, d):
+ return create_path( [get_cross_kernel_cc(bb,d), ], bb, d)
+
+ else:
+ prefix = d.expand('${HOST_PREFIX}')
+ return create_path( [prefix+"gcc", prefix+"g++"], bb, d)
+
+def icc_get_external_tool(bb, d, tool):
+ external_toolchain_bindir = d.expand('${EXTERNAL_TOOLCHAIN}${bindir_cross}')
+ target_prefix = d.expand('${TARGET_PREFIX}')
+ return os.path.join(external_toolchain_bindir, '%s%s' % (target_prefix, tool))
+
+# Don't pollute native signatures with target TUNE_PKGARCH through STAGING_BINDIR_TOOLCHAIN
+icc_get_tool[vardepsexclude] += "STAGING_BINDIR_TOOLCHAIN"
+def icc_get_tool(bb, d, tool):
+ if icc_is_native(bb, d):
+ return bb.utils.which(os.getenv("PATH"), tool)
+ elif icc_is_kernel(bb, d):
+ return bb.utils.which(os.getenv("PATH"), get_cross_kernel_cc(bb, d))
+ else:
+ ice_dir = d.expand('${STAGING_BINDIR_TOOLCHAIN}')
+ target_sys = d.expand('${TARGET_SYS}')
+ tool_bin = os.path.join(ice_dir, "%s-%s" % (target_sys, tool))
+ if os.path.isfile(tool_bin):
+ return tool_bin
+ else:
+ external_tool_bin = icc_get_external_tool(bb, d, tool)
+ if os.path.isfile(external_tool_bin):
+ return external_tool_bin
+ else:
+ return ""
+
+def icc_get_and_check_tool(bb, d, tool):
+ # Check that g++ or gcc is not a symbolic link to icecc binary in
+ # PATH or icecc-create-env script will silently create an invalid
+ # compiler environment package.
+ t = icc_get_tool(bb, d, tool)
+ if t and os.popen("readlink -f %s" % t).read()[:-1] == get_icecc(d):
+ bb.error("%s is a symlink to %s in PATH and this prevents icecc from working" % (t, get_icecc(d)))
+ return ""
+ else:
+ return t
+
+wait_for_file() {
+ local TIME_ELAPSED=0
+ local FILE_TO_TEST=$1
+ local TIMEOUT=$2
+ until [ -f "$FILE_TO_TEST" ]
+ do
+ TIME_ELAPSED=`expr $TIME_ELAPSED + 1`
+ if [ $TIME_ELAPSED -gt $TIMEOUT ]
+ then
+ return 1
+ fi
+ sleep 1
+ done
+}
+
+def set_icecc_env():
+ # dummy python version of set_icecc_env
+ return
+
+set_icecc_env() {
+ if [ "${@use_icc(bb, d)}" = "no" ]
+ then
+ return
+ fi
+ ICECC_VERSION="${@icc_version(bb, d)}"
+ if [ "x${ICECC_VERSION}" = "x" ]
+ then
+ bbwarn "Cannot use icecc: could not get ICECC_VERSION"
+ return
+ fi
+
+ ICE_PATH="${@icc_path(bb, d)}"
+ if [ "x${ICE_PATH}" = "x" ]
+ then
+ bbwarn "Cannot use icecc: could not get ICE_PATH"
+ return
+ fi
+
+ ICECC_CC="${@icc_get_and_check_tool(bb, d, "gcc")}"
+ ICECC_CXX="${@icc_get_and_check_tool(bb, d, "g++")}"
+ # cannot use icc_get_and_check_tool here because it assumes as without target_sys prefix
+ ICECC_WHICH_AS="${@bb.utils.which(os.getenv('PATH'), 'as')}"
+ if [ ! -x "${ICECC_CC}" -o ! -x "${ICECC_CXX}" ]
+ then
+ bbwarn "Cannot use icecc: could not get ICECC_CC or ICECC_CXX"
+ return
+ fi
+
+ ICE_VERSION=`$ICECC_CC -dumpversion`
+ ICECC_VERSION=`echo ${ICECC_VERSION} | sed -e "s/@VERSION@/$ICE_VERSION/g"`
+ if [ ! -x "${ICECC_ENV_EXEC}" ]
+ then
+ bbwarn "Cannot use icecc: invalid ICECC_ENV_EXEC"
+ return
+ fi
+
+ ICECC_AS="`${ICECC_CC} -print-prog-name=as`"
+ # for target recipes should return something like:
+ # /OE/tmp-eglibc/sysroots/x86_64-linux/usr/libexec/arm920tt-oe-linux-gnueabi/gcc/arm-oe-linux-gnueabi/4.8.2/as
+ # and just "as" for native, if it returns "as" in current directory (for whatever reason) use "as" from PATH
+ if [ "`dirname "${ICECC_AS}"`" = "." ]
+ then
+ ICECC_AS="${ICECC_WHICH_AS}"
+ fi
+
+ if [ ! -f "${ICECC_VERSION}.done" ]
+ then
+ mkdir -p "`dirname "${ICECC_VERSION}"`"
+
+ # the ICECC_VERSION generation step must be locked by a mutex
+ # in order to prevent race conditions
+ if flock -n "${ICECC_VERSION}.lock" \
+ ${ICECC_ENV_EXEC} "${ICECC_CC}" "${ICECC_CXX}" "${ICECC_AS}" "${ICECC_VERSION}"
+ then
+ touch "${ICECC_VERSION}.done"
+ elif [ ! wait_for_file "${ICECC_VERSION}.done" 30 ]
+ then
+ # locking failed so wait for ${ICECC_VERSION}.done to appear
+ bbwarn "Timeout waiting for ${ICECC_VERSION}.done"
+ return
+ fi
+ fi
+
+ export ICECC_VERSION ICECC_CC ICECC_CXX
+ export PATH="$ICE_PATH:$PATH"
+ export CCACHE_PATH="$PATH"
+
+ bbnote "Using icecc"
+}
+
+do_configure_prepend() {
+ set_icecc_env
+}
+
+do_compile_prepend() {
+ set_icecc_env
+}
+
+do_compile_kernelmodules_prepend() {
+ set_icecc_env
+}
+
+do_install_prepend() {
+ set_icecc_env
+}