One fix for this is to move over to using an Android.bp to build your app rather than an Android.mk 🙂
But I also submitted a fix for this into aosp/master last week: https://android-review.googlesource.com/c/platform/build/+/1764131 - Dan On Tue, Jul 20, 2021 at 9:42 AM [email protected] < [email protected]> wrote: > Hi , > > Our Android 11 build has been failing randomly with the following error： > > *> cp: cannot create regular file > 'out/target/common/R/androidx/vectordrawable/R.java': > File exists* > > > then, We found the reason for the compilation failure in build/make/core/ > definitions.mk: > > define find-generated-R.java > $(hide) for GENERATED_MANIFEST_FILE in `find $(1) \ > -name Manifest.java 2> /dev/null`; do \ > dir=`awk '/package/{gsub(/\./,"/",$$2);gsub(/;/,"",$$2);print > $$2;exit}' $$GENERATED_MANIFEST_FILE`; \ > mkdir -p $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \ > cp $$GENERATED_MANIFEST_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \ > done; > $(hide) for GENERATED_R_FILE in `find $(1) \ > -name R.java 2> /dev/null`; do \ > dir=`awk '/package/{gsub(/\./,"/",$$2);gsub(/;/,"",$$2);print > $$2;exit}' $$GENERATED_R_FILE`; \ > mkdir -p $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \ > * cp $$GENERATED_R_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir \* > * || exit 31; \* > cp $$GENERATED_R_FILE $(2) || exit 32; \ > done; > @# Ensure that the target file is always created, i.e. also in case we did > not > @# enter the GENERATED_R_FILE-loop above. This avoids unnecessary > rebuilding. > $(hide) touch $(2) > endef > > When two or more unrelated modules depend on a module that needs to be > compiled 编by appt2, multiple files with the same name will be copied to the > same directory. > When the compilation time of these modules overlaps, the copy operation > conflicts, which leads to the failure of the build > > We also check the aosp master, it may has the same issue > > B/R > Raymond > > -- > -- > You received this message because you are subscribed to the "Android > Building" mailing list. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-building?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "Android Building" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/android-building/5f6a6033-6620-40ae-a3dd-125c35f6b394n%40googlegroups.com > <https://groups.google.com/d/msgid/android-building/5f6a6033-6620-40ae-a3dd-125c35f6b394n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- -- You received this message because you are subscribed to the "Android Building" mailing list. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-building?hl=en --- You received this message because you are subscribed to the Google Groups "Android Building" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/android-building/CALQgHd%3DxTiUHRtZ02ntS6smJjuv9rum4AxV-tvd-676KyN5rcw%40mail.gmail.com.
