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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1769154684; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lnM88Co+Lf7DhIMBFvo41zCXkmmPSmVmNVe4dV95egM=; b=W4SSZvZXPkTelQiiF8SY6JOgYUwILmspmYWJ8GOl6uZTwHUZK85vNBBf2RiQZOtDAicQow GqAbl3SkfJ8jbBATuCLZmNvQdP6Xve9FY9fqBPYoUyl55RKzkrfrRl3hgv3AL33kZgrMKE NmizE9mJ7Wlu37rJvyxqGkDvQ8xMj9E= X-MC-Unique: lSOgFSrqP3aBic6BEjDgiw-1 X-Mimecast-MFC-AGG-ID: lSOgFSrqP3aBic6BEjDgiw_1769154682 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Gerd Hoffmann , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , John Snow , Cleber Rosa Subject: [PATCH 15/37] scripts/modinfo: add --skip-missing-deps Date: Fri, 23 Jan 2026 11:49:18 +0400 Message-ID: <20260123074945.2563196-16-marcandre.lureau@redhat.com> In-Reply-To: <20260123074945.2563196-1-marcandre.lureau@redhat.com> References: <20260123074945.2563196-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.07, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1769154748511158500 From: Marc-Andr=C3=A9 Lureau Add --skip-missing-deps flag that prints warnings for missing dependencies but continues without exiting with error code 1. Signed-off-by: Marc-Andr=C3=A9 Lureau --- scripts/modinfo-generate.py | 94 ++++++++++++++++++++++++++++--------- 1 file changed, 71 insertions(+), 23 deletions(-) diff --git a/scripts/modinfo-generate.py b/scripts/modinfo-generate.py index e7d35242414..e231c129196 100644 --- a/scripts/modinfo-generate.py +++ b/scripts/modinfo-generate.py @@ -34,7 +34,8 @@ def parse_line(line: str) -> tuple[str, str]: continue return (kind, data) =20 -def generate(name: str, lines: list[str], enabled: set[str]) -> Optional[s= et[str]]: +def parse_modinfo(name: str, lines: list[str], enabled: set[str]) -> Optio= nal[dict]: + """Parse a modinfo file and return module metadata, or None if disable= d.""" arch =3D "" objs =3D [] deps =3D [] @@ -54,21 +55,39 @@ def generate(name: str, lines: list[str], enabled: set[= str]) -> Optional[set[str # don't add a module which dependency is not enabled # in kconfig if data.strip() not in enabled: - print(f" /* module {data.strip()} isn't enabled in = Kconfig. */") - print("/* },{ */") return None else: print("unknown:", kind) exit(1) =20 - print(f' .name =3D "{name}",') - if arch !=3D "": - print(f" .arch =3D {arch},") - print_array("objs", objs) - print_array("deps", deps) - print_array("opts", opts) + return { + 'name': name, + 'arch': arch, + 'objs': objs, + 'deps': deps, + 'opts': opts, + 'dep_names': {dep.strip('" ') for dep in deps} + } + +def generate(modinfo: str, mod: Optional[dict], + skip_reason: Optional[str]) -> None: + """Generate C code for a module.""" + print(f" /* {modinfo} */") + if mod is None: + if skip_reason =3D=3D "missing_deps": + print(" /* module has missing dependencies. */") + else: + print(" /* module isn't enabled in Kconfig. */") + print("/* },{ */") + return + + print(f' .name =3D "{mod["name"]}",') + if mod['arch'] !=3D "": + print(f" .arch =3D {mod['arch']},") + print_array("objs", mod['objs']) + print_array("deps", mod['deps']) + print_array("opts", mod['opts']) print("},{") - return {dep.strip('" ') for dep in deps} =20 def print_pre() -> None: print("/* generated by scripts/modinfo-generate.py */") @@ -86,6 +105,8 @@ def main() -> None: ) parser.add_argument('--devices', help=3D'path to config-device.mak') + parser.add_argument('--skip-missing-deps', action=3D'store_true', + help=3D'warn if a dependency is missing and contin= ue') parser.add_argument('modinfo', nargs=3D'+', help=3D'modinfo files to process') args =3D parser.parse_args() @@ -99,27 +120,54 @@ def main() -> None: if config[1].rstrip() =3D=3D 'y': enabled.add(config[0][7:]) # remove CONFIG_ =20 - deps =3D set() - modules =3D set() - print_pre() + # all_modules: modinfo path -> (basename, parsed module or None, skip_= reason) + all_modules =3D {} for modinfo in args.modinfo: with open(modinfo) as f: lines =3D f.readlines() - print(f" /* {modinfo} */") (basename, _) =3D os.path.splitext(modinfo) - moddeps =3D generate(basename, lines, enabled) - if moddeps is not None: - modules.add(basename) - deps.update(moddeps) - print_post() + mod =3D parse_modinfo(basename, lines, enabled) + skip_reason =3D "kconfig" if mod is None else None + all_modules[modinfo] =3D (basename, mod, skip_reason) + + # Collect all available module names + available =3D {basename for basename, mod, _ in all_modules.values() + if mod is not None} =20 - error =3D False - for dep in deps.difference(modules): + # Collect all dependencies + all_deps =3D set() + for basename, mod, _ in all_modules.values(): + if mod is not None: + all_deps.update(mod['dep_names']) + + # Check for missing dependencies + missing =3D all_deps.difference(available) + for dep in missing: print(f"Dependency {dep} cannot be satisfied", file=3Dsys.stderr) - error =3D True =20 - if error: + if missing and not args.skip_missing_deps: exit(1) =20 + # When skipping missing deps, iteratively remove modules with + # unsatisfiable dependencies + if args.skip_missing_deps and missing: + changed =3D True + while changed: + changed =3D False + for modinfo, (basename, mod, skip_reason) in list(all_modules.= items()): + if mod is None: + continue + if not mod['dep_names'].issubset(available): + available.discard(basename) + all_modules[modinfo] =3D (basename, None, "missing_dep= s") + changed =3D True + + # generate output + print_pre() + for modinfo in args.modinfo: + (basename, mod, skip_reason) =3D all_modules[modinfo] + generate(modinfo, mod, skip_reason) + print_post() + if __name__ =3D=3D "__main__": main() --=20 2.52.0