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platform_build_soong
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Update readme 

Use go/Android.bp link, add a little more on androidmk conversions.

Test: none
Change-Id: Ibe2be4ad54b6d9a8954d7efbb40d04dc54c8dbf2
This commit is contained in:
Colin Cross 2016-09-26 15:42:42 -07:00
parent 0a249ce498
commit 024c32e987
1 changed files with 13 additions and 2 deletions
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README.md
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@ -28,7 +28,7 @@ Every module must have a `name` property, and the value must be unique across
all Android.bp files.
For a list of valid module types and their properties see
[$OUT_DIR/soong/.bootstrap/docs/soong_build.html](https://android-build.googleplex.com/builds/latest/branches/aosp-build-tools/targets/linux/soong_build.html).
[$OUT_DIR/soong/.bootstrap/docs/soong_build.html](https://go/Android.bp).
### Variables
@ -113,7 +113,18 @@ androidmk Android.mk > Android.bp
```
The tool converts variables, modules, comments, and some conditionals, but any
custom Makefile rules or complex conditionals must be converted by hand.
custom Makefile rules, complex conditionals or extra includes must be converted
by hand.
#### Differences between Android.mk and Android.bp
* Android.mk files often have multiple modules with the same name (for example
for static and shared version of a library, or for host and device versions).
Android.bp files require unique names for every module, but a single module can
be built in multiple variants, for example by adding `host_supported: true`.
The androidmk converter will produce multiple conflicting modules, which must
be resolved by hand to a single module with any differences inside
`target: { android: { }, host: { } }` blocks.
## Build logic