Commit graph

44 commits

Author SHA1 Message Date
Martin Stjernholm
1e04109c6e Always set apex_available in SDK snapshots.
Also fix //apex_available:platform that could get lost in the generated
apex_available properties. It only happened if a module didn't specify
an apex_available setting and then got extra entries from
apex.BaselineApexAvailable.

Test: Build ART SDK with libnativeloader_lazy in the SDK, and check
  that the generated prebuilt module has //apex_available:platform
  (before https://r.android.com/1480559).
Change-Id: I9df20aee63455932a7e558993f0f26769cb02792
2020-11-04 18:44:14 +00:00
Colin Cross
405af07859 Revert "Make lots of tests run in parallel"
This reverts commit 323dc60712.

Reason for revert: Possible cause of test instability
Bug: 170513220
Test: soong tests

Change-Id: Iee168e9fbb4210569e6cffcc23e60d111403abb8
2020-10-09 18:34:24 -07:00
Colin Cross
323dc60712 Make lots of tests run in parallel
Putting t.Parallel() in each test makes them run in parallel.
Additional t.Parallel() could be added to each subtest, although
that requires making a local copy of the loop variable for
table driven tests.

Test: m checkbuild
Change-Id: I5d9869ead441093f4d7c5757f2447385333a95a4
2020-10-06 15:12:22 -07:00
Paul Duffin
157f40f056 Add prebuilt_visibility property
Some mainline modules provide an `sdk` and one or more set of
module_exports. When the snapshots are unpacked into separate prebuilts
directories (one per snapshot) then any dependencies from a member of
one snapshot to a member of another may require the latter to have
additional visibility rules.

Previously, these rules had to be added to each source module. This
change allows additional visibility rules to be specified on the
sdk/module_exports that are added to all the prebuilts in its snapshot.

Bug: 155921753
Bug: 168301990
Test: m nothing
Change-Id: Ia3eacb5749981f04770ae9872a8013e43c5c6ef1
2020-10-02 10:59:41 +01:00
Martin Stjernholm
3ff2e661bd Disable all SDK snapshot generation tests on mac.
We frequently miss putting in the per-test skip condition, and since
mac isn't tested in presubmit this leads to build breakages and time
consuming reverts. To avoid that this blanket disables all the SDK
tests on mac. It's not used there and we got test coverage in many
linux-based builds.

Bug: 145598135
Bug: 161315642
Test: `go test -v ./sdk` in build/soong on mac and linux
Change-Id: I2aea92fef2c0f8c2742396fe36610501dc5a6f0f
2020-07-15 16:58:05 +01:00
Martin Stjernholm
64aeaaddef Fix special case when appending a visibility rule to //visibility:private.
Test: m nothing
Bug: 151303681
Change-Id: Ibe7e953219e4660c653063e87cb08407a2cb513d
2020-05-14 16:52:24 +01:00
Martin Stjernholm
0641d189d0 Add explicit visibility on the self package in EffectiveVisibilityRules.
Modules in a package is implicitly visible within the same package.
When making effective visibility rules which work from another location
that visibility needs to be mentioned explicitly. In practice this
allows prebuilts to remain visible to other modules in the source
package when the prebuilts are preferred.

Test: m nothing
Test: m conscrypt-module-sdk, check that the snapshot Soong modules give
  visibility to //external/conscrypt
Bug: 151303681
Change-Id: I404f6e5ca7021974a8c7be5e4d6b4982c050b8a5
2020-05-14 16:50:59 +01:00
Martin Stjernholm
01407c525a Don't print :__pkg__ for package rules, since that's the default.
To reduce clutter a little.

Test: m nothing
Change-Id: I0d2d86f00c3d38e603d6f58c4b1dd9a4170bf819
2020-05-14 16:50:59 +01:00
Paul Duffin
c459f89fb4 Retry: Adds support for 'ignored-on-host'
Adds a filter mechanism that can exclude property values from being
included in the common value extraction. That is needed to prevent the
snapshot mechanism from generating invalid output for properties that
are ignored on host (and have their values cleared) and which are not
tagged with `android:"arch_variant"`.

Changes:
* Updates the documentation of SdkMemberType to explain what effect
  the 'ignored-on-host' tag has.
* Adds some tests for this new mechanism.

Bug: 155628860
Test: m nothing
Change-Id: Ibafdb6e921ba5abe505bd8a91ca5a1d9c9b5d0cb
2020-05-08 22:32:02 +01:00
Paul Duffin
864e1b45db Retry: Detect invalid arch specific properties in snapshot
Previously, the snapshot code did not know whether a specific property
could be arch specific or not and assumed that they all were which
meant that it could generate snapshots containing arch specific values
for properties that are not arch specific and so would fail when
unpacked.

This change requires arch specific fields in SdkMemberProperties to be
tagged as such using `android:"arch_variant"` (just as in module input
property structures). Any property without that must have properties
that are common across all variants.

Bug: 155628860
Test: m nothing
Change-Id: I3df60f0b53ba02ec2c55a80c7da058eac5909d26
2020-05-08 22:31:56 +01:00
Greg Kaiser
e509447c93 Revert "Detect invalid arch specific properties in snapshot"
Revert submission 1302576

Bug: 156054601
Reason for revert: Presumed root cause of build break.
Reverted Changes:
Ifc8116e11:Detect invalid arch specific properties in snapsho...
I7ebd33307:Adds support for 'ignored-on-host'
I167b47a13:Fix snapshot of a host/device cc_library with stub...

Change-Id: Id7eba0bdde5c579e10e9b42d94a7cfab5f34995f
2020-05-08 19:12:34 +00:00
Greg Kaiser
e08e03fa96 Revert "Adds support for 'ignored-on-host'"
Revert submission 1302576

Bug: 156054601
Reason for revert: Presumed root cause of build break.
Reverted Changes:
Ifc8116e11:Detect invalid arch specific properties in snapsho...
I7ebd33307:Adds support for 'ignored-on-host'
I167b47a13:Fix snapshot of a host/device cc_library with stub...

Change-Id: I2a7ac0ef0232177eefc26542c11dc675d6f4cab2
2020-05-08 19:12:34 +00:00
Paul Duffin
12f67bcf42 Adds support for 'ignored-on-host'
Adds a filter mechanism that can exclude property values from being
included in the common value extraction. That is needed to prevent the
snapshot mechanism from generating invalid output for properties that
are ignored on host (and have their values cleared) and which are not
tagged with `android:"arch_variant"`.

Changes:
* Updates the documentation of SdkMemberType to explain what effect
  the 'ignored-on-host' tag has.
* Adds some tests for this new mechanism.

Bug: 155628860
Test: m nothing
Change-Id: I7ebd333079619dba546bc8c4911d567e0287b676
2020-05-07 18:35:11 +01:00
Paul Duffin
ee20962378 Detect invalid arch specific properties in snapshot
Previously, the snapshot code did not know whether a specific property
could be arch specific or not and assumed that they all were which
meant that it could generate snapshots containing arch specific values
for properties that are not arch specific and so would fail when
unpacked.

This change requires arch specific fields in SdkMemberProperties to be
tagged as such using `android:"arch_variant"` (just as in module input
property structures). Any property without that must have properties
that are common across all variants.

Bug: 155628860
Test: m nothing
Change-Id: Ifc8116e11d987cfe7aec2eeaa964f3bbf36b5dc2
2020-05-07 18:35:11 +01:00
Paul Duffin
4b8b79394f Allow extractCommonProperties to return an error
Refactoring in preparation for follow up changes.

Also:
* Adds a new AssertErrorMessageEquals() helper method.
* Improved error reporting in the accessor and added name to
  extractorProperty to ensure meaningful errors are reported.
* Added String() string method to propertiesContainer.
* Reports errors using the field name as the errors are not really
  fixable by developers and it is more meaningful to the build team.

Bug: 155628860
Test: m nothing
Change-Id: I5c5b8436bcbc39e4e7cd35df2577b2dac53e702a
2020-05-06 18:40:41 +01:00
Paul Duffin
1d6c0df597 Correct order of parameters to AssertDeepEquals
The expected/actual were around the wrong way.

Bug: 155628860
Test: m nothing
Change-Id: I98b575b8b85dcbfd2075e77689f0329aa2eadbf0
2020-05-06 18:40:41 +01:00
Paul Duffin
f34f6d8538 Encapsulate properties to be optimized in a container
This allows additional metadata to be associated with a set of
properties that will be used in a follow up change to filter
properties that are ignored in some variants (e.g. host variants).

Bug: 155628860
Test: m nothing
Change-Id: Ie83c1ffbb71fd5d7a08d350571dad3e3209b1431
2020-05-06 18:40:41 +01:00
Paul Duffin
b07fa51196 Support extracting common values from embedded structures
This change also added support for excluding properties from common
value extraction by using a struct tag of `sdk:"keep"` That was needed
to prevent the fields in SdkMemberPropertiesBase from having their
values cleared.

The purpose of this change is to make it easier to share functionality
across sdk member types.

Bug: 142935992
Test: m nothing
Change-Id: Ie5160a8f854056920e411801ca20721eab7c8578
2020-03-13 10:47:14 +00:00
Jooyung Han
5e9013be22 Fix apex_available
Checking apex_available was missing some corner cases.
For example, the deps of share deps of cc_library modules are missed
while those from cc_library_shared are correctly tracked.

This was due to..

* calling DepIsInSameApex in WalkDeps: both work fine separately, but
when they are used together, it fails to work. It's due to how WalkDeps
works. (We might fix this bug too risky since it is used very widely)
* incorrect receiver for DepIsInSameApex in apex_deps mutator: receiver
is supposed to be parent, but child was used before. Interestingly lots
of deps are within the same group of module types(cc to cc, java to
java), it has worked. (note that receiver's DepIsInSameApex
implementation can be different).

This change fixes them by..

* walkPayloadDeps is now relying on ApexVariation, which is calculated
correctly by TopDown apex_deps mutator.
* use correct receiver for DepIsInSameApex in apex_deps mutator, which
requires for java.SdkLibrary to override the method and for
java.Library/Import to use passed dep instead of receiver to check its
membership of sdk.

Bug: 151071238
Test: build/boot
Change-Id: I0569ef4bb8e79635e4d97a89f421a8d8b7d26456
2020-03-10 23:52:01 +00:00
Nicolas Geoffray
1228e9c0ba Add a nice install paths for module SDKs and exports.
Following how NDK also creates its own install path.

Bug: 142935992
Test: cc_sdk_test.go, java_sdk_test.go
Change-Id: I98a3656903f37f6d7c90e6cf609431b2461a6161
2020-03-04 14:20:46 +00:00
Paul Duffin
1356d8c0f3 Add CommonOS variant for sdk
Adds a CommonOS variant for sdk that depends on the os specific
variants and is used to generate a single sdk for multiple OsTypes,
e.g. host linux and android.

At the minute the member types only support a single OsType but the
basic mechanism for managing the CommonOS variant and collating the
variants across all of them is there.

The only visible effect of this change is that the location of the
generated snapshot is changed, it is no longer os specific and instead
is in the same location irrespective of which os it is built for.

A lot of tests needed to be changed to specify "common_os" as the
variant type instead of the specific os type. As that is the same across
all tests it is hard coded in CheckSnapshot method.

Test: m nothing
Bug: 150451422
Change-Id: If36be39b06d6910453649f7c288c2d34f688b2f4
2020-03-02 19:31:26 +00:00
Paul Duffin
44885e29d6 Simplify visibility rules that include //visibility:public
While it is invalid to mix //visibility:public with other rules in the
visibility property in a .bp file tt was possible, by overriding
defaults, to have //visibility:public mixed in with other rules in the
effective visibility rules. That caused problems when those effective
rules were used in an sdk snapshot.

This change replaces any set of rules that include //visibility:public
with just the //visibility:public rule. That simplifies those rules,
making them cheaper to process and ensures that the effective rules are
valid in the visibility property.

Adding test support required some refactoring of the
effectiveVisibilityRules(BaseModuleContext, ...) and underlying methods
to take a Config instead of BaseModuleContext as the tests do not have
access to BaseModuleContext.

Bug: 142935992
Test: m nothing - new tests failed without change, work with it
      Add dex2oat to art-module-host-exports, build it and check the
      generated Android.bp file in the snapshot to ensure the
	  visibility property for the dex2oat prebuilt does not mix
	  //visibility:public with other rules.
Change-Id: I08e7f0dcb40838d426fe88fedf69eae27b77473c
2020-02-20 11:41:17 +00:00
Paul Duffin
593b3c9fb0 Ensure prebuilt modules have same visibility as source modules
Exports visibility and package mutator registration functions so they
can be used in sdk testing. Updates sdk test to support visibility and
package modules.

Adds EffectiveVisibility(...)[]string function to make the effective
visibility rules available to sdk snapshot creation.

Extracts compositeRule.Strings() []string from compositeRule.String()
method so that it can be used by above func.

Adds visibility property to sdk snapshot and prebuilt modules along
with a test to ensure it works properly.

Adds dir parameter to CheckSnapshot so that it can check the snapshot
generated for a non-root package. That is required in order to ensure
that visibility of :__subpackages__ on a source module in package
<pkg> is resolved to an effective visibility of
//<pkg>:__subpackages__ on its corresponding prebuilt.

Test: m conscrypt-module-sdk
Bug: 143678475
Change-Id: Icaacac5b9c04726d28e6fec93e49715ac45df7f4
2019-12-09 13:32:28 +00:00
Paul Duffin
a0dbf43a82 Support header and implementation jars in sdk
Add a new java_header_libs property that exports header jars (as
java_libs currently does) and switch java_libs to export implementation
jars instead.

Refactors implementation of the existing library sdk member type so
both properties can be supported from common code as they differ only
on the jar being exported.

Bug: 143678475
Test: m nothing
Change-Id: I04642122f72d083bbdfd3290624f957b71ee8875
2019-12-06 16:13:58 +00:00
Paul Duffin
a80fdec00d Extract the cc and java sdk related tests out into their own file
Makes it easier for multiple people to work on different areas without
conflicts.

Bug: 143678475
Test: m conscrypt-module-sdk
Change-Id: I93140450c0b049946a9d0432225bccff82f5a873
2019-12-06 12:16:59 +00:00
Paul Duffin
c3c5d5e351 Improve testing of sdk snapshot generation
Adds TestHelper to provide general test helper functionality for use by
any test.

Adds testSdkResult, composed with TestHelper that encapsulates the
result of processing and sdk {..} definition and provides specialized
support for testing the build rules.

Dedups the analysis of the sdk build rules, and improves it to extract
more information, and in different forms. That is represented by the
snapshotBuildInfo struct.

Adds a CheckSnapshot() method which checks the snapshot for a specified
sdk version. It takes a list of functions that can each perform a check
on a specific facet of the supplied snapshotBuildInfo.

Methods are provided for tests to use to check the following facets:
* Generated Android.bp contents.
* Copy rules
* Merge zip inputs

This approach makes it possible for each test to customize what is
being checked without either duplicating functionality, causing a
proliferation of specialized forms of the CheckSnapshot method for
different types of tests or adding arguments for every possible check
that any test would need which would lead to lots of churn to existing
tests when new arguments are added.

The main testing improvement is for CheckSnapshot() to actually try and
load the Android.bp that is generated. In order to do that it was
necessary to create a mock filesystem populated with information from
the build rules, i.e. the destination files from every Cp command as
well as the destination directory from every repackage zip command.

That helps detect a number of sources of errors:
* Failing to copy a file/directory that is mentioned in the generated
  Android.bp file.
* Invalid properties.
* Invalid format of the .bp file.
* Integrity issues within the .bp file.

Bug: 143678475
Test: m conscrypt-module-sdk
Change-Id: I4d3fe18f86698186d18e7e8b32d2e319183f7f0c
2019-12-06 12:16:59 +00:00
Paul Duffin
82d90438be Separate sdk testing infrastructure from sdk tests
Bug: 143678475
Test: m conscrypt-module-sdk
Change-Id: Ib00870ddefc4c1dd9e42ca594e6ebe8e24c42e05
2019-12-06 12:16:59 +00:00
Paul Duffin
1387957727 Parameterize the sdk member processing
Extracts the type specific functionality into the SdkMemberType
interface which has to be implemented by each module type that can
be added as a member of the sdk. It provides functionality to add
the required dependencies for the module type, check to see if a
resolved module is the correct instance and build the snapshot.

The latter was previously part of SdkAware but was moved because
it has to be able to process multiple SdkAware variants so delegating
it to a single instance did not make sense.

The custom code for handling each member type specific property,
e.g. java_libs, has been replaced with common code that processes
a list of sdkMemberListProperty struct which associates the
property (name and getter) with the SdkMemberType and a special
DependencyTag which is passed to the SdkMemberType when it has to add
dependencies.

The DependencyTag contains a reference to the appropriate
sdkMemberListProperty which allows the resolved dependencies to be
grouped by type.

Previously, the dependency collection methods would ignore a module if
it was an unsupported type because they did not have a way of
determining which property it was initially listed in. That meant it
was possible to add say a droidstubs module to the java_libs property
(and because they had the same variants) it would work as if it was
added to the stubs_sources property. Or alternatively, a module of an
unsupported type could be added to any property and it would just be
ignored.

However, the DependencyTag provides information about which property
a resolved module was referenced in and so it can detect when the
resolved module is of the wrong type and report an error. That check
identified a bug in one of the tests where the sdk referenced a
java_import module (which is not allowed in an sdk) instead of a
java_library module (which is allowed). That test was fixed as part
of this.

A list of sdkMemberListProperty structs defines the member properties
supported by the sdk and are processed in order to ensure consistent
behaviour.

The resolved dependencies are grouped by type and each group is then
processed in defined order. Within each type dependencies are grouped
by name and encapsulated behind an SdkMember interface which includes
the name and the list of variants.

The Droidstubs and java.Library types can only support one variant and
will fail if given more.

The processing for the native_shared_libs property has been moved into
the cc/library.go file so the sdk package code should now have no type
specific information in it apart from what is if the list of
sdkMemberListProperty structs.

Bug: 143678475
Test: m conscrypt-module-sdk
Change-Id: I10203594d33dbf53441f655aff124f9ab3538d87
2019-12-06 12:16:59 +00:00
Paul Duffin
375058f67d Use static build rules in snapshot generation
It is easier to extract information out of static build rules than it
is out of custom build rules built using the builder as the former
provides access to the in/out and args separate from the rule whereas
the latter only provides access to in/out.

Also, cleans up some warnings that appear in Intellij.

There is a lot of duplication in the testing code. That will be
resolved in a follow up change.

Bug: 143678475
Test: m conscrypt-module-sdk
Change-Id: I973bc0c90b0affd84487f1b222dd3e6c22c07ec0
2019-12-06 12:16:53 +00:00
Paul Duffin
46fc58ee8d Disable TestHostSnapshot test for non-linux build
Building sdk snapshots on anything other than linux glibc is not
supported at the moment.

Bug: 145598135
Test: m nothing
Change-Id: I34155252545e9f37c5361ed94a27a87024fcece2
2019-12-04 10:15:40 +00:00
Paul Duffin
e44358fa8f Add support for host sdk
Adds HostSupported() method to ModuleBase for use by sdk. Adds
host_supported/device_supported to all prebuilt modules and the
sdk snapshot (where necessary).

Adds TestHostSnapshot to verify the behavior is correct.

Bug: 143678475
Test: m nothing
Change-Id: I8b4d097e46d5804f62cb8f651a83069299a3e639
2019-12-02 12:59:38 +00:00
Paul Duffin
b645ec8e34 Add model to represent generated snapshot .bp file
Having each module type generate the contents of the snapshot's .bp
file results in lots of duplicated code. This adds an intermediate
model for use by the module types and then generates the .bp file
contents from that.

This not only removes the duplicated formatting code but it also
allows consistent handling of shared properties such as name further
reducing duplication. It also makes it possible to duplicate the
versioned and unversioned prebuilt modules from the same model.

Extracts generatedContents from generatedFile to allow the contents
to be populated without creating an output file, for testing.

Cleans up unused code.

Bug: 143678475
Test: m nothing
Change-Id: If21b84db0ef3fdfb5dc11ea0973ce6cb73603ea3
2019-12-02 12:59:38 +00:00
Paul Duffin
01178ed7d1 Remove unused methods from sdk/sdk_test.go
Bug: 143678475
Test: m conscrypt-module-sdk
Change-Id: Ic011fd63b226beb455793e2df08114992b858698
2019-11-29 20:35:06 +00:00
Paul Duffin
b1a8813520 Dedup code for generating prebuilt_stubs_sources in snapshot
Removes duplicated code for generating a versioned and non-versioned
form of the prebuilt_stubs_sources module in the snapshot.

Bug: 143678475
Test: m nothing

Change-Id: Ic431b6fcb6f3c7c85f1a04cb6f087424aaf0cffa
2019-11-26 22:30:27 +00:00
Paul Duffin
ac37c503e0 Check the contents of an SDK snapshot's generated Android.bp
Test: m nothing
Bug: 143678475
Change-Id: I407d83c79d6b1ad8082e560726f0bfa7cacab3f0
2019-11-26 22:30:19 +00:00
Colin Cross
09ef474b6f Merge changes I0dcc9c7b,I9bc40642
* changes:
  Move cc.imageMutator into the android package
  Make CreateVariations return []android.Module
2019-11-25 22:30:17 +00:00
Colin Cross
4b49b768a2 Make TestContext.RegisterModuleType take an android.ModuleFactory
Avoid having to pass ModuleFactoryAdaptor to every call to
RegisterModuleType in a test by wrapping RegisterModuleType.

Test: all soong tests
Change-Id: If8847d16487de0479cc3020b728256922b3cadba
2019-11-25 10:59:44 -08:00
Paul Duffin
9154718303 Adds droidstubs support to sdk module
Adds stubs_sources property to sdk and unzips the droidstubs srcjar
into the snapshot directory.

Adds an UnzipToSnapshot method to the SnapshotBuilder which creates
a rule that uses zip2zip to repackage the supplied zip content into a
temporary zip file that matches what the required snapshot structure.
e.g. if the supplied zip contains foo/Foo.java and that needs to be in
the snapshot directory java/foo/stubs then it will create a zip that
contains java/foo/stubs/foo/Foo.java.

The temporary zip that is the output of that rule is added to the
zipsToMerge field for merging later.

If the zipsToMerge is empty then the snapshot zip is created as
before. Otherwise, a temporary zip file is created. That is then
merged with the other zip files in zipsToMerge to create the final
snapshot zip.

Adds prebuilt_stubs_sources for use by the generated .bp module.

Bug: 143678475
Test: added conscrypt sdk module and attempted to build it
Change-Id: Ie274263af3a08e36a73c61c0dbf0c341fd6967e2
2019-11-22 20:52:59 +00:00
Colin Cross
7228ecd5e3 Move cc.imageMutator into the android package
Prepare for making the image mutator available to all modules and
moving it between the os and arch mutators by moving it into the
android package and using an interface implemented by the module
types to control it.

Bug: 142286466
Test: No unexpected changes to out/soong/build.ninja
Change-Id: I0dcc9c7b5ec80edffade340c367f6ae4da34151b
2019-11-20 15:21:32 -08:00
Jiyong Park
232e785b98 SDK snapshot is dist'ed
`m module_sdk dist` produces snapshots of all SDKs in the source tree.
A snapshot is a zip file consists of Android.bp, exported headers,
exported AIDL files, stubs for native libs and jars. The zip file is
expected to be downloaded from the build server and extracted to a
directory (which probably will be
/prebuilts/module_sdks/<module_name>/current).

Bug: 138182343
Test: m (sdk_test.go updated)

Change-Id: Idbe4bc24795fe08f26fc1cf7497028f9d162053a
2019-11-07 12:24:48 +09:00
Jiyong Park
100f3fd118 sdk modules are by default compile_multilib: "both"
Bug: 143948100
Test: m (sdk_test.go amended)
Change-Id: I7df1b96af49a6569012e44eeb3c0722fac63fa51
2019-11-06 16:34:15 +09:00
Jiyong Park
a7bc8ad0b9 Prohibit dependencies outside of uses_sdks
When an APEX is built with uses_sdks, any depedndency from the APEX to
the outside of the APEX should be from the SDKs that the APEX is built
against.

Bug: 138182343
Test: m

Change-Id: I1c2ffe8d28ccf648d928ea59652c2d0070bf10eb
2019-10-17 11:19:53 +09:00
Jiyong Park
9b409bcd10 Create scripts to update and freeze a module SDK
`m <sdk_name>` generates two scripts each of which is use to update the
current snapshot of the SDK and to freeze ToT as a new version,
respectively. Executing the scripts will copy necessary files (stub
libraries, AIDL files, etc.) along with Android.bp into the ./<apiver>
directory under the directory where the sdk is defined.

This change also introduces a new module type 'sdk_snapshot' that
represents a snapshot of an SDK. It will be auto-generated by the above
scripts, so developers are not expected to write this manually.

The module type 'sdk' is now used to simply specify the list of modules
that an SDK has.

Finally, this change changes the version separator from '#' to '@'
because '#' confuses Make.

Bug: 138182343
Test: m

Change-Id: Ifcbc3a39a2f6ad5b4f4b200ba55a1ce3281498cf
2019-10-15 18:49:58 +09:00
Jiyong Park
d1063c1586 Introduce module type 'sdk'
This change introduces a new module type named 'sdk'. It is a logical
group of prebuilt modules that together provide a context (e.g. APIs)
in which Mainline modules (such as APEXes) are built.

A prebuilt module (e.g. java_import) can join an sdk by adding it to the
sdk module as shown below:

sdk {
    name: "mysdk#20",
    java_libs: ["myjavalib_mysdk_20"],
}

java_import {
    name: "myjavalib_mysdk_20",
    srcs: ["myjavalib-v20.jar"],
    sdk_member_name: "myjavalib",
}

sdk {
    name: "mysdk#21",
    java_libs: ["myjavalib_mysdk_21"],
}

java_import {
    name: "myjavalib_mysdk_21",
    srcs: ["myjavalib-v21.jar"],
    sdk_member_name: "myjavalib",
}

java_library {
    name: "myjavalib",
    srcs: ["**/*/*.java"],
}

An APEX can specify the SDK(s) that it wants to build with via the new
'uses_sdks' property.

apex {
    name: "myapex",
    java_libs: ["libX", "libY"],
    uses_sdks: ["mysdk#20"],
}

With this, libX, libY, and their transitive dependencies are all built
with the version 20 of myjavalib (the first java_import module) instead
of the other one (which is for version 21) and java_library having the
same name (which is for ToT).

Bug: 138182343
Test: m (sdk_test.go added)
Change-Id: I7e14c524a7d6a0d9f575fb20822080f39818c01e
2019-09-22 08:21:27 +09:00