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