It's very helpful. Thank you very much! Dan Willemsen於 2016年9月1日星期四 UTC+8下午10時30分18秒寫道： > > We've switched to using ninja to do our builds, which defaults to reading > the depfile into it's database, then deleting it. You can either keep the > depfile: > > NINJA_ARGS="-d keepdepfile" m ... > > Or just ask ninja what the deps are for a specific file: (NINJA_EXTRA_ARGS > has to be empty as a workaround in this case) > > NINJA_ARGS= "-t deps out/...o" m NINJA_EXTRA_ARGS= > > You can also see some of the other ninja tools and debug modes that are > useful with -d/-t list: > > ninja subtools: > browse browse dependency graph in a web browser > clean clean built files > commands list all commands required to rebuild given targets > deps show dependencies stored in the deps log > graph output graphviz dot file for targets > query show inputs/outputs for a path > targets list targets by their rule or depth in the DAG > compdb dump JSON compilation database to stdout > recompact recompacts ninja-internal data structures > > debugging modes: > stats print operation counts/timing info > explain explain what caused a command to execute > keepdepfile don't delete depfiles after they're read by ninja > keeprsp don't delete @response files on success > multiple modes can be enabled via -d FOO -d BAR > > > On Thu, Sep 1, 2016 at 7:05 AM Chih-Wei Huang <[email protected] > <javascript:>> wrote: > >> Hi, >> Anyone knows why Android 7.0 build system doesn't generate >> the .P file, the dependency file of the .o to be included? >> Without the .P file it's hard to debug the dependency issue. >> Or any alternative way to check the dependency of the .o in Android 7.0? >> >> -- >> >
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