1inherit terminal 2 3python do_ccmake() { 4 import shutil 5 6 # copy current config for diffing 7 config = os.path.join(d.getVar("B"), "CMakeCache.txt") 8 if os.path.exists(config): 9 shutil.copy(config, config + ".orig") 10 11 oe_terminal(d.expand("ccmake ${OECMAKE_GENERATOR_ARGS} ${OECMAKE_SOURCEPATH} -Wno-dev"), 12 d.getVar("PN") + " - ccmake", d) 13 14 if os.path.exists(config) and os.path.exists(config + ".orig"): 15 if bb.utils.md5_file(config) != bb.utils.md5_file(config + ".orig"): 16 # the cmake class uses cmake --build, which will by default 17 # regenerate configuration, simply mark the compile step as tainted 18 # to ensure it is re-run 19 bb.note("Configuration changed, recompile will be forced") 20 bb.build.write_taint('do_compile', d) 21 22} 23do_ccmake[depends] += "cmake-native:do_populate_sysroot" 24do_ccmake[nostamp] = "1" 25do_ccmake[dirs] = "${B}" 26addtask ccmake after do_configure 27 28def cmake_parse_config_cache(path): 29 with open(path, "r") as f: 30 for i in f: 31 i = i.rstrip("\n") 32 if len(i) == 0 or i.startswith("//") or i.startswith("#"): 33 continue # empty or comment 34 key, value = i.split("=", 1) 35 key, keytype = key.split(":") 36 if keytype in ["INTERNAL", "STATIC"]: 37 continue # skip internal and static config options 38 yield key, keytype, value 39 40def cmake_diff_config_vars(a, b): 41 removed, added = [], [] 42 43 for ak, akt, av in a: 44 found = False 45 for bk, bkt, bv in b: 46 if bk == ak: 47 found = True 48 if bkt != akt or bv != av: # changed 49 removed.append((ak, akt, av)) 50 added.append((bk, bkt, bv)) 51 break 52 # remove any missing from b 53 if not found: 54 removed.append((ak, akt, av)) 55 56 # add any missing from a 57 for bk, bkt, bv in b: 58 if not any(bk == ak for ak, akt, av in a): 59 added.append((bk, bkt, bv)) 60 61 return removed, added 62 63python do_ccmake_diffconfig() { 64 import shutil 65 config = os.path.join(d.getVar("B"), "CMakeCache.txt") 66 if os.path.exists(config) and os.path.exists(config + ".orig"): 67 if bb.utils.md5_file(config) != bb.utils.md5_file(config + ".orig"): 68 # scan the changed options 69 old = list(cmake_parse_config_cache(config + ".orig")) 70 new = list(cmake_parse_config_cache(config)) 71 _, added = cmake_diff_config_vars(old, new) 72 73 if len(added) != 0: 74 with open(d.expand("${WORKDIR}/configuration.inc"), "w") as f: 75 f.write("EXTRA_OECMAKE += \" \\\n") 76 for k, kt, v in added: 77 escaped = v if " " not in v else "\"{0}\"".format(v) 78 f.write(" -D{0}:{1}={2} \\\n".format(k, kt, escaped)) 79 f.write(" \"\n") 80 bb.plain("Configuration recipe fragment written to: {0}".format(d.expand("${WORKDIR}/configuration.inc"))) 81 82 with open(d.expand("${WORKDIR}/site-file.cmake"), "w") as f: 83 for k, kt, v in added: 84 f.write("SET({0} \"{1}\" CACHE {2} \"\")\n".format(k, v, kt)) 85 bb.plain("Configuration cmake fragment written to: {0}".format(d.expand("${WORKDIR}/site-file.cmake"))) 86 87 # restore the original config 88 shutil.copy(config + ".orig", config) 89 else: 90 bb.plain("No configuration differences, skipping configuration fragment generation.") 91 else: 92 bb.fatal("No config files found. Did you run ccmake?") 93} 94do_ccmake_diffconfig[nostamp] = "1" 95do_ccmake_diffconfig[dirs] = "${B}" 96addtask ccmake_diffconfig 97 98