484e50aa7c
There are two pieces to make this work: 1. Local include paths must include $(BINDIR)-relative paths, to support generated headers in those directories. 2. The srcs that bp2build outputs for BUILD targets must include labels for targets given in generated_hdrs and generated_srcs. Support for exported_generated_hdrs intentionally deferred. This allows us to remove several targets from the bp2build denylist. Some are moved to the mixed build denylist, because genreated headers are still unsupported in mixed builds. Test: bp2build.sh CI script Change-Id: Ib4f9dac20f6445487b8dad53b91eac01f437a590
650 lines
19 KiB
Go
650 lines
19 KiB
Go
// Copyright 2021 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package bp2build
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import (
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"android/soong/android"
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"android/soong/cc"
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"strings"
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"testing"
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)
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const (
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// See cc/testing.go for more context
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soongCcLibraryPreamble = `
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cc_defaults {
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name: "linux_bionic_supported",
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}
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toolchain_library {
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name: "libclang_rt.builtins-x86_64-android",
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defaults: ["linux_bionic_supported"],
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vendor_available: true,
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vendor_ramdisk_available: true,
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product_available: true,
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recovery_available: true,
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native_bridge_supported: true,
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src: "",
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}`
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)
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func TestCcLibraryBp2Build(t *testing.T) {
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testCases := []struct {
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description string
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moduleTypeUnderTest string
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moduleTypeUnderTestFactory android.ModuleFactory
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moduleTypeUnderTestBp2BuildMutator func(android.TopDownMutatorContext)
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bp string
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expectedBazelTargets []string
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filesystem map[string]string
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dir string
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depsMutators []android.RegisterMutatorFunc
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}{
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{
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description: "cc_library - simple example",
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moduleTypeUnderTest: "cc_library",
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moduleTypeUnderTestFactory: cc.LibraryFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
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filesystem: map[string]string{
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"android.cpp": "",
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"darwin.cpp": "",
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// Refer to cc.headerExts for the supported header extensions in Soong.
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"header.h": "",
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"header.hh": "",
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"header.hpp": "",
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"header.hxx": "",
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"header.h++": "",
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"header.inl": "",
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"header.inc": "",
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"header.ipp": "",
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"header.h.generic": "",
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"impl.cpp": "",
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"linux.cpp": "",
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"x86.cpp": "",
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"x86_64.cpp": "",
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"foo-dir/a.h": "",
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},
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bp: soongCcLibraryPreamble + `
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cc_library_headers { name: "some-headers" }
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cc_library {
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name: "foo-lib",
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srcs: ["impl.cpp"],
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cflags: ["-Wall"],
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header_libs: ["some-headers"],
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export_include_dirs: ["foo-dir"],
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ldflags: ["-Wl,--exclude-libs=bar.a"],
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arch: {
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x86: {
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ldflags: ["-Wl,--exclude-libs=baz.a"],
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srcs: ["x86.cpp"],
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},
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x86_64: {
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ldflags: ["-Wl,--exclude-libs=qux.a"],
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srcs: ["x86_64.cpp"],
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},
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},
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target: {
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android: {
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srcs: ["android.cpp"],
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},
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linux_glibc: {
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srcs: ["linux.cpp"],
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},
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darwin: {
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srcs: ["darwin.cpp"],
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},
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},
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}
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`,
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expectedBazelTargets: []string{`cc_library(
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name = "foo-lib",
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copts = [
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"-Wall",
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"-I.",
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"-I$(BINDIR)/.",
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],
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deps = [":some-headers"],
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includes = ["foo-dir"],
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linkopts = ["-Wl,--exclude-libs=bar.a"] + select({
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"//build/bazel/platforms/arch:x86": ["-Wl,--exclude-libs=baz.a"],
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"//build/bazel/platforms/arch:x86_64": ["-Wl,--exclude-libs=qux.a"],
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"//conditions:default": [],
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}),
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srcs = ["impl.cpp"] + select({
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"//build/bazel/platforms/arch:x86": ["x86.cpp"],
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"//build/bazel/platforms/arch:x86_64": ["x86_64.cpp"],
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"//conditions:default": [],
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}) + select({
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"//build/bazel/platforms/os:android": ["android.cpp"],
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"//build/bazel/platforms/os:darwin": ["darwin.cpp"],
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"//build/bazel/platforms/os:linux": ["linux.cpp"],
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"//conditions:default": [],
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}),
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)`},
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},
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{
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description: "cc_library - trimmed example of //bionic/linker:ld-android",
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moduleTypeUnderTest: "cc_library",
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moduleTypeUnderTestFactory: cc.LibraryFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
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filesystem: map[string]string{
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"ld-android.cpp": "",
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"linked_list.h": "",
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"linker.h": "",
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"linker_block_allocator.h": "",
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"linker_cfi.h": "",
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},
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bp: soongCcLibraryPreamble + `
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cc_library_headers { name: "libc_headers" }
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cc_library {
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name: "fake-ld-android",
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srcs: ["ld_android.cpp"],
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cflags: [
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"-Wall",
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"-Wextra",
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"-Wunused",
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"-Werror",
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],
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header_libs: ["libc_headers"],
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ldflags: [
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"-Wl,--exclude-libs=libgcc.a",
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"-Wl,--exclude-libs=libgcc_stripped.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-arm-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-aarch64-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-i686-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-x86_64-android.a",
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],
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arch: {
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x86: {
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ldflags: ["-Wl,--exclude-libs=libgcc_eh.a"],
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},
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x86_64: {
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ldflags: ["-Wl,--exclude-libs=libgcc_eh.a"],
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},
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},
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}
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`,
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expectedBazelTargets: []string{`cc_library(
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name = "fake-ld-android",
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copts = [
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"-Wall",
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"-Wextra",
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"-Wunused",
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"-Werror",
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"-I.",
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"-I$(BINDIR)/.",
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],
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deps = [":libc_headers"],
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linkopts = [
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"-Wl,--exclude-libs=libgcc.a",
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"-Wl,--exclude-libs=libgcc_stripped.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-arm-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-aarch64-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-i686-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-x86_64-android.a",
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] + select({
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"//build/bazel/platforms/arch:x86": ["-Wl,--exclude-libs=libgcc_eh.a"],
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"//build/bazel/platforms/arch:x86_64": ["-Wl,--exclude-libs=libgcc_eh.a"],
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"//conditions:default": [],
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}),
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srcs = ["ld_android.cpp"],
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)`},
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},
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{
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description: "cc_library exclude_srcs - trimmed example of //external/arm-optimized-routines:libarm-optimized-routines-math",
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moduleTypeUnderTest: "cc_library",
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moduleTypeUnderTestFactory: cc.LibraryFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
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dir: "external",
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filesystem: map[string]string{
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"external/math/cosf.c": "",
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"external/math/erf.c": "",
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"external/math/erf_data.c": "",
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"external/math/erff.c": "",
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"external/math/erff_data.c": "",
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"external/Android.bp": `
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cc_library {
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name: "fake-libarm-optimized-routines-math",
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exclude_srcs: [
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// Provided by:
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// bionic/libm/upstream-freebsd/lib/msun/src/s_erf.c
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// bionic/libm/upstream-freebsd/lib/msun/src/s_erff.c
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"math/erf.c",
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"math/erf_data.c",
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"math/erff.c",
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"math/erff_data.c",
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],
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srcs: [
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"math/*.c",
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],
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// arch-specific settings
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arch: {
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arm64: {
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cflags: [
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"-DHAVE_FAST_FMA=1",
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],
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},
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},
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bazel_module: { bp2build_available: true },
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}
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`,
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},
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bp: soongCcLibraryPreamble,
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expectedBazelTargets: []string{`cc_library(
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name = "fake-libarm-optimized-routines-math",
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copts = [
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"-Iexternal",
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"-I$(BINDIR)/external",
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] + select({
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"//build/bazel/platforms/arch:arm64": ["-DHAVE_FAST_FMA=1"],
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"//conditions:default": [],
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}),
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srcs = ["math/cosf.c"],
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)`},
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},
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{
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description: "cc_library shared/static props",
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moduleTypeUnderTest: "cc_library",
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moduleTypeUnderTestFactory: cc.LibraryFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
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depsMutators: []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
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dir: "foo/bar",
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filesystem: map[string]string{
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"foo/bar/both.cpp": "",
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"foo/bar/sharedonly.cpp": "",
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"foo/bar/staticonly.cpp": "",
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"foo/bar/Android.bp": `
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cc_library {
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name: "a",
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srcs: ["both.cpp"],
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cflags: ["bothflag"],
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shared_libs: ["shared_dep_for_both"],
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static_libs: ["static_dep_for_both"],
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whole_static_libs: ["whole_static_lib_for_both"],
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static: {
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srcs: ["staticonly.cpp"],
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cflags: ["staticflag"],
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shared_libs: ["shared_dep_for_static"],
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static_libs: ["static_dep_for_static"],
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whole_static_libs: ["whole_static_lib_for_static"],
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},
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shared: {
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srcs: ["sharedonly.cpp"],
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cflags: ["sharedflag"],
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shared_libs: ["shared_dep_for_shared"],
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static_libs: ["static_dep_for_shared"],
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whole_static_libs: ["whole_static_lib_for_shared"],
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},
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bazel_module: { bp2build_available: true },
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}
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cc_library_static { name: "static_dep_for_shared" }
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cc_library_static { name: "static_dep_for_static" }
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cc_library_static { name: "static_dep_for_both" }
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cc_library_static { name: "whole_static_lib_for_shared" }
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cc_library_static { name: "whole_static_lib_for_static" }
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cc_library_static { name: "whole_static_lib_for_both" }
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cc_library { name: "shared_dep_for_shared" }
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cc_library { name: "shared_dep_for_static" }
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cc_library { name: "shared_dep_for_both" }
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`,
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},
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bp: soongCcLibraryPreamble,
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expectedBazelTargets: []string{`cc_library(
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name = "a",
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copts = [
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"bothflag",
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"-Ifoo/bar",
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"-I$(BINDIR)/foo/bar",
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],
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deps = [":static_dep_for_both"],
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dynamic_deps = [":shared_dep_for_both"],
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dynamic_deps_for_shared = [":shared_dep_for_shared"],
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dynamic_deps_for_static = [":shared_dep_for_static"],
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shared_copts = ["sharedflag"],
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shared_srcs = ["sharedonly.cpp"],
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srcs = ["both.cpp"],
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static_copts = ["staticflag"],
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static_deps_for_shared = [":static_dep_for_shared"],
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static_deps_for_static = [":static_dep_for_static"],
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static_srcs = ["staticonly.cpp"],
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whole_archive_deps = [":whole_static_lib_for_both"],
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whole_archive_deps_for_shared = [":whole_static_lib_for_shared"],
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whole_archive_deps_for_static = [":whole_static_lib_for_static"],
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)`},
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},
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{
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description: "cc_library non-configured version script",
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moduleTypeUnderTest: "cc_library",
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moduleTypeUnderTestFactory: cc.LibraryFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
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depsMutators: []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
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dir: "foo/bar",
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filesystem: map[string]string{
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"foo/bar/Android.bp": `
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cc_library {
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name: "a",
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srcs: ["a.cpp"],
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version_script: "v.map",
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bazel_module: { bp2build_available: true },
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}
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`,
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},
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bp: soongCcLibraryPreamble,
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expectedBazelTargets: []string{`cc_library(
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name = "a",
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copts = [
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"-Ifoo/bar",
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"-I$(BINDIR)/foo/bar",
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],
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srcs = ["a.cpp"],
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version_script = "v.map",
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)`},
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},
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{
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description: "cc_library configured version script",
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moduleTypeUnderTest: "cc_library",
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moduleTypeUnderTestFactory: cc.LibraryFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
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depsMutators: []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
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dir: "foo/bar",
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filesystem: map[string]string{
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"foo/bar/Android.bp": `
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cc_library {
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name: "a",
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srcs: ["a.cpp"],
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arch: {
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arm: {
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version_script: "arm.map",
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},
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arm64: {
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version_script: "arm64.map",
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},
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},
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bazel_module: { bp2build_available: true },
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}
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`,
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},
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bp: soongCcLibraryPreamble,
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expectedBazelTargets: []string{`cc_library(
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name = "a",
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copts = [
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"-Ifoo/bar",
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"-I$(BINDIR)/foo/bar",
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],
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srcs = ["a.cpp"],
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version_script = select({
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"//build/bazel/platforms/arch:arm": "arm.map",
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"//build/bazel/platforms/arch:arm64": "arm64.map",
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"//conditions:default": None,
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}),
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)`},
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},
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{
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description: "cc_library shared_libs",
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moduleTypeUnderTest: "cc_library",
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moduleTypeUnderTestFactory: cc.LibraryFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
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depsMutators: []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
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dir: "foo/bar",
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filesystem: map[string]string{
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"foo/bar/Android.bp": `
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cc_library {
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name: "mylib",
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bazel_module: { bp2build_available: true },
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}
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cc_library {
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name: "a",
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shared_libs: ["mylib",],
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bazel_module: { bp2build_available: true },
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}
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`,
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},
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bp: soongCcLibraryPreamble,
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expectedBazelTargets: []string{`cc_library(
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name = "a",
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copts = [
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"-Ifoo/bar",
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"-I$(BINDIR)/foo/bar",
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],
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dynamic_deps = [":mylib"],
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)`, `cc_library(
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name = "mylib",
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copts = [
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"-Ifoo/bar",
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"-I$(BINDIR)/foo/bar",
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],
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)`},
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},
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{
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description: "cc_library pack_relocations test",
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moduleTypeUnderTest: "cc_library",
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moduleTypeUnderTestFactory: cc.LibraryFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
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depsMutators: []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
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dir: "foo/bar",
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filesystem: map[string]string{
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"foo/bar/Android.bp": `
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cc_library {
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name: "a",
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srcs: ["a.cpp"],
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pack_relocations: false,
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bazel_module: { bp2build_available: true },
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}
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cc_library {
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name: "b",
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srcs: ["b.cpp"],
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arch: {
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x86_64: {
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pack_relocations: false,
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},
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},
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bazel_module: { bp2build_available: true },
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}
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cc_library {
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name: "c",
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srcs: ["c.cpp"],
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target: {
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darwin: {
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pack_relocations: false,
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},
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},
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bazel_module: { bp2build_available: true },
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}`,
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},
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bp: soongCcLibraryPreamble,
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expectedBazelTargets: []string{`cc_library(
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name = "a",
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copts = [
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"-Ifoo/bar",
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"-I$(BINDIR)/foo/bar",
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],
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linkopts = ["-Wl,--pack-dyn-relocs=none"],
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srcs = ["a.cpp"],
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)`, `cc_library(
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name = "b",
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copts = [
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"-Ifoo/bar",
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"-I$(BINDIR)/foo/bar",
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],
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linkopts = select({
|
|
"//build/bazel/platforms/arch:x86_64": ["-Wl,--pack-dyn-relocs=none"],
|
|
"//conditions:default": [],
|
|
}),
|
|
srcs = ["b.cpp"],
|
|
)`, `cc_library(
|
|
name = "c",
|
|
copts = [
|
|
"-Ifoo/bar",
|
|
"-I$(BINDIR)/foo/bar",
|
|
],
|
|
linkopts = select({
|
|
"//build/bazel/platforms/os:darwin": ["-Wl,--pack-dyn-relocs=none"],
|
|
"//conditions:default": [],
|
|
}),
|
|
srcs = ["c.cpp"],
|
|
)`},
|
|
},
|
|
{
|
|
description: "cc_library spaces in copts",
|
|
moduleTypeUnderTest: "cc_library",
|
|
moduleTypeUnderTestFactory: cc.LibraryFactory,
|
|
moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
|
|
depsMutators: []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
|
|
dir: "foo/bar",
|
|
filesystem: map[string]string{
|
|
"foo/bar/Android.bp": `
|
|
cc_library {
|
|
name: "a",
|
|
cflags: ["-include header.h",],
|
|
bazel_module: { bp2build_available: true },
|
|
}
|
|
`,
|
|
},
|
|
bp: soongCcLibraryPreamble,
|
|
expectedBazelTargets: []string{`cc_library(
|
|
name = "a",
|
|
copts = [
|
|
"-include",
|
|
"header.h",
|
|
"-Ifoo/bar",
|
|
"-I$(BINDIR)/foo/bar",
|
|
],
|
|
)`},
|
|
},
|
|
{
|
|
description: "cc_library cppflags goes into copts",
|
|
moduleTypeUnderTest: "cc_library",
|
|
moduleTypeUnderTestFactory: cc.LibraryFactory,
|
|
moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
|
|
depsMutators: []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
|
|
dir: "foo/bar",
|
|
filesystem: map[string]string{
|
|
"foo/bar/Android.bp": `cc_library {
|
|
name: "a",
|
|
srcs: ["a.cpp"],
|
|
cflags: [
|
|
"-Wall",
|
|
],
|
|
cppflags: [
|
|
"-fsigned-char",
|
|
"-pedantic",
|
|
],
|
|
arch: {
|
|
arm64: {
|
|
cppflags: ["-DARM64=1"],
|
|
},
|
|
},
|
|
target: {
|
|
android: {
|
|
cppflags: ["-DANDROID=1"],
|
|
},
|
|
},
|
|
bazel_module: { bp2build_available: true },
|
|
}
|
|
`,
|
|
},
|
|
bp: soongCcLibraryPreamble,
|
|
expectedBazelTargets: []string{`cc_library(
|
|
name = "a",
|
|
copts = [
|
|
"-Wall",
|
|
"-fsigned-char",
|
|
"-pedantic",
|
|
"-Ifoo/bar",
|
|
"-I$(BINDIR)/foo/bar",
|
|
] + select({
|
|
"//build/bazel/platforms/arch:arm64": ["-DARM64=1"],
|
|
"//conditions:default": [],
|
|
}) + select({
|
|
"//build/bazel/platforms/os:android": ["-DANDROID=1"],
|
|
"//conditions:default": [],
|
|
}),
|
|
srcs = ["a.cpp"],
|
|
)`},
|
|
},
|
|
}
|
|
|
|
dir := "."
|
|
for _, testCase := range testCases {
|
|
filesystem := make(map[string][]byte)
|
|
toParse := []string{
|
|
"Android.bp",
|
|
}
|
|
for f, content := range testCase.filesystem {
|
|
if strings.HasSuffix(f, "Android.bp") {
|
|
toParse = append(toParse, f)
|
|
}
|
|
filesystem[f] = []byte(content)
|
|
}
|
|
config := android.TestConfig(buildDir, nil, testCase.bp, filesystem)
|
|
ctx := android.NewTestContext(config)
|
|
|
|
cc.RegisterCCBuildComponents(ctx)
|
|
ctx.RegisterModuleType("cc_library_static", cc.LibraryStaticFactory)
|
|
ctx.RegisterModuleType("toolchain_library", cc.ToolchainLibraryFactory)
|
|
ctx.RegisterModuleType("cc_library_headers", cc.LibraryHeaderFactory)
|
|
ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
|
|
ctx.RegisterBp2BuildMutator(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestBp2BuildMutator)
|
|
ctx.RegisterBp2BuildConfig(bp2buildConfig) // TODO(jingwen): make this the default for all tests
|
|
for _, m := range testCase.depsMutators {
|
|
ctx.DepsBp2BuildMutators(m)
|
|
}
|
|
ctx.RegisterForBazelConversion()
|
|
|
|
_, errs := ctx.ParseFileList(dir, toParse)
|
|
if Errored(t, testCase.description, errs) {
|
|
continue
|
|
}
|
|
_, errs = ctx.ResolveDependencies(config)
|
|
if Errored(t, testCase.description, errs) {
|
|
continue
|
|
}
|
|
|
|
checkDir := dir
|
|
if testCase.dir != "" {
|
|
checkDir = testCase.dir
|
|
}
|
|
codegenCtx := NewCodegenContext(config, *ctx.Context, Bp2Build)
|
|
bazelTargets := generateBazelTargetsForDir(codegenCtx, checkDir)
|
|
if actualCount, expectedCount := len(bazelTargets), len(testCase.expectedBazelTargets); actualCount != expectedCount {
|
|
t.Errorf("%s: Expected %d bazel target, got %d", testCase.description, expectedCount, actualCount)
|
|
} else {
|
|
for i, target := range bazelTargets {
|
|
if w, g := testCase.expectedBazelTargets[i], target.content; w != g {
|
|
t.Errorf(
|
|
"%s: Expected generated Bazel target to be '%s', got '%s'",
|
|
testCase.description,
|
|
w,
|
|
g,
|
|
)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|