diff options
-rw-r--r-- | meta/classes/ccmake.bbclass | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/meta/classes/ccmake.bbclass b/meta/classes/ccmake.bbclass new file mode 100644 index 0000000000..4114daa61b --- /dev/null +++ b/meta/classes/ccmake.bbclass @@ -0,0 +1,97 @@ +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 + |