We've recently updated our documentation around conditionals (and most use of make variables fall into the same category):
https://android.googlesource.com/platform/build/soong/+/master/README.md#how-do-i-write-conditionals tl;dr: we'd prefer you didn't use them, but if you need to, you can via a Go plugin. - Dan On Fri, Nov 22, 2019, 7:11 AM Chih-Wei Huang <[email protected]> wrote: > I have the same question. > I'd like to use product variables like TARGET_PRODUCT in Android.bp. > I searched the whole AOSP tree but still can't find a way to do that. > Sigh,,, Is it possible? > > DavidRobin於 2019年7月16日星期二 UTC+8下午11時13分22秒寫道： >> >> Thanks for your reply. >> Our purpose is to generate "License checking code" for specific product >> build. >> So we have a shell script to generate the code based on the PRODUCT_XXX >> properties. >> >> Are you implying that Android.bp should only be used in generic (product >> independent) modules? >> And this kind of code should be put in device/product specific stuff and >> use Android.mk to achieve the goal? >> (P.S. will Android.mk be kept or will Android.bp take over the whole >> build?) >> >> On Tuesday, July 16, 2019 at 2:13:13 AM UTC+8, Dan Willemsen wrote: >>> >>> Those variables aren't exposed, partially because it becomes very >>> difficult to understand which pieces of the system are then >>> product-specific vs generic. Is there a reason why you wouldn't just read >>> the runtime properties rather than trying to embed those values in code? >>> >>> - Dan >>> >>> On Mon, Jul 15, 2019 at 9:31 AM DavidRobin <[email protected]> wrote: >>> >>>> I saw that in external/libmojo/Android.bp there is an example to >>>> generate header files for later build process. >>>> >>>> genrule { >>>> name: "libmojo_mojom_headers", >>>> cmd: "$(location mojom_source_generator_sh)" + >>>> " --mojom_bindings_generator=$(location >>>> mojom_bindings_generator)" + >>>> " --package=external/libmojo" + >>>> " --output_dir=$(genDir)" + >>>> " --bytecode_path=$(genDir)" + >>>> " --typemap=$(location >>>> gen/mojo/common/common_custom_types__type_mappings)" + >>>> " --generators=c++" + >>>> " --use_new_wrapper_types" + >>>> " $(in)", >>>> >>>> However, I cannot find how to use vars like $(PRODUCT_BRAND) >>>> $(PRODUCT_MANUFACTURER) etc in this cmd line. >>>> Please help. >>>> Thanks. >>>> >>> -- > -- > 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/6a64020b-1413-4723-aabe-3d6ce27f3ae9%40googlegroups.com > <https://groups.google.com/d/msgid/android-building/6a64020b-1413-4723-aabe-3d6ce27f3ae9%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/CALQgHdnnDnFR31OzHoFh22CPTiF4L7vtr0JqHdJuCUNAMiSn1Q%40mail.gmail.com.
