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#
# Copyright OpenEmbedded Contributors
#
# SPDX-License-Identifier: MIT
#
inherit terminal
python do_ccmake() {
import shutil
# copy current config for diffing
config = os.path.join(d.getVar("B"), "CMakeCache.txt")
if os.path.exists(config):
shutil.copy(config, config + ".orig")
oe_terminal(d.expand("ccmake ${OECMAKE_GENERATOR_ARGS} ${OECMAKE_SOURCEPATH} -Wno-dev"),
d.getVar("PN") + " - ccmake", d)
if os.path.exists(config) and os.path.exists(config + ".orig"):
if bb.utils.md5_file(config) != bb.utils.md5_file(config + ".orig"):
# the cmake class uses cmake --build, which will by default
# regenerate configuration, simply mark the compile step as tainted
# to ensure it is re-run
bb.note("Configuration changed, recompile will be forced")
bb.build.write_taint('do_compile', d)
}
do_ccmake[depends] += "cmake-native:do_populate_sysroot"
do_ccmake[nostamp] = "1"
do_ccmake[dirs] = "${B}"
addtask ccmake after do_configure
def cmake_parse_config_cache(path):
with open(path, "r") as f:
for i in f:
i = i.rstrip("\n")
if len(i) == 0 or i.startswith("//") or i.startswith("#"):
continue # empty or comment
key, value = i.split("=", 1)
key, keytype = key.split(":")
if keytype in ["INTERNAL", "STATIC"]:
continue # skip internal and static config options
yield key, keytype, value
def cmake_diff_config_vars(a, b):
removed, added = [], []
for ak, akt, av in a:
found = False
for bk, bkt, bv in b:
if bk == ak:
found = True
if bkt != akt or bv != av: # changed
removed.append((ak, akt, av))
added.append((bk, bkt, bv))
break
# remove any missing from b
if not found:
removed.append((ak, akt, av))
# add any missing from a
for bk, bkt, bv in b:
if not any(bk == ak for ak, akt, av in a):
added.append((bk, bkt, bv))
return removed, added
python do_ccmake_diffconfig() {
import shutil
config = os.path.join(d.getVar("B"), "CMakeCache.txt")
if os.path.exists(config) and os.path.exists(config + ".orig"):
if bb.utils.md5_file(config) != bb.utils.md5_file(config + ".orig"):
# scan the changed options
old = list(cmake_parse_config_cache(config + ".orig"))
new = list(cmake_parse_config_cache(config))
_, added = cmake_diff_config_vars(old, new)
if len(added) != 0:
with open(d.expand("${WORKDIR}/configuration.inc"), "w") as f:
f.write("EXTRA_OECMAKE += \" \\\n")
for k, kt, v in added:
escaped = v if " " not in v else "\"{0}\"".format(v)
f.write(" -D{0}:{1}={2} \\\n".format(k, kt, escaped))
f.write(" \"\n")
bb.plain("Configuration recipe fragment written to: {0}".format(d.expand("${WORKDIR}/configuration.inc")))
with open(d.expand("${WORKDIR}/site-file.cmake"), "w") as f:
for k, kt, v in added:
f.write("SET({0} \"{1}\" CACHE {2} \"\")\n".format(k, v, kt))
bb.plain("Configuration cmake fragment written to: {0}".format(d.expand("${WORKDIR}/site-file.cmake")))
# restore the original config
shutil.copy(config + ".orig", config)
else:
bb.plain("No configuration differences, skipping configuration fragment generation.")
else:
bb.fatal("No config files found. Did you run ccmake?")
}
do_ccmake_diffconfig[nostamp] = "1"
do_ccmake_diffconfig[dirs] = "${B}"
addtask ccmake_diffconfig
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