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Merge "bp2build: support generated sources and hdrs" am: 72a13e8d40

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Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1705758

Change-Id: I4fdcd7464aa7fe9942ae85ba21078d1799200999
This commit is contained in:
Christopher Parsons
2021-05-17 22:39:08 +00:00
committed by Automerger Merge Worker
parent 5fa22bd7e4 72a13e8d40
commit a15ba2556f
7 changed files with 379 additions and 68 deletions
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14
android/bazel.go
View File

@@ -160,13 +160,7 @@ var (
// Per-module denylist to always opt modules out of both bp2build and mixed builds.
bp2buildModuleDoNotConvertList = []string{
// Things that transitively depend on unconverted libc_* modules.
"libc_nopthread", // http://b/186821550, cc_library_static, depends on //bionic/libc:libc_bionic_ndk (http://b/186822256)
// also depends on //bionic/libc:libc_tzcode (http://b/186822591)
// also depends on //bionic/libc:libstdc++ (http://b/186822597)
"libc_common", // http://b/186821517, cc_library_static, depends on //bionic/libc:libc_nopthread (http://b/186821550)
"libc_common_static", // http://b/186824119, cc_library_static, depends on //bionic/libc:libc_common (http://b/186821517)
"libc_common_shared", // http://b/186824118, cc_library_static, depends on //bionic/libc:libc_common (http://b/186821517)
"libc_nomalloc", // http://b/186825031, cc_library_static, depends on //bionic/libc:libc_common (http://b/186821517)
"libc_nomalloc", // http://b/186825031, cc_library_static, depends on //bionic/libc:libc_common (http://b/186821517)
"libbionic_spawn_benchmark", // http://b/186824595, cc_library_static, depends on //external/google-benchmark (http://b/186822740)
// also depends on //system/logging/liblog:liblog (http://b/186822772)
@@ -189,7 +183,6 @@ var (
"libc_jemalloc_wrapper", // http://b/187012490, cc_library_static, depends on //external/jemalloc_new:libjemalloc5 (http://b/186828626)
"libc_ndk", // http://b/187013218, cc_library_static, depends on //bionic/libm:libm (http://b/183064661)
"libc", // http://b/183064430, cc_library, depends on //external/jemalloc_new:libjemalloc5 (http://b/186828626)
"libc_bionic_ndk", // http://b/186822256, cc_library_static, fatal error: 'generated_android_ids.h' file not found
"libc_malloc_hooks", // http://b/187016307, cc_library, ld.lld: error: undefined symbol: __malloc_hook
"libm", // http://b/183064661, cc_library, math.h:25:16: error: unexpected token in argument list
@@ -230,7 +223,12 @@ var (
// Per-module denylist to opt modules out of mixed builds. Such modules will
// still be generated via bp2build.
mixedBuildsDisabledList = []string{
"libc_bionic_ndk", // cparsons@, http://b/183213331, Handle generated headers in mixed builds.
"libc_common", // cparsons@ cc_library_static, depends on //bionic/libc:libc_nopthread
"libc_common_static", // cparsons@ cc_library_static, depends on //bionic/libc:libc_common
"libc_common_shared", // cparsons@ cc_library_static, depends on //bionic/libc:libc_common
"libc_netbsd", // lberki@, cc_library_static, version script assignment of 'LIBC_PRIVATE' to symbol 'SHA1Final' failed: symbol not defined
"libc_nopthread", // cparsons@ cc_library_static, depends on //bionic/libc:libc_bionic_ndk
"libc_openbsd", // ruperts@, cc_library_static, OK for bp2build but error: duplicate symbol: strcpy for mixed builds
"libsystemproperties", // cparsons@, cc_library_static, wrong include paths
"libpropertyinfoparser", // cparsons@, cc_library_static, wrong include paths

8
bazel/properties.go
View File

@@ -160,6 +160,14 @@ func SubtractBazelLabels(haystack []Label, needle []Label) []Label {
return labels
}
// Appends two LabelLists, returning the combined list.
func AppendBazelLabelLists(a LabelList, b LabelList) LabelList {
var result LabelList
result.Includes = append(a.Includes, b.Includes...)
result.Excludes = append(a.Excludes, b.Excludes...)
return result
}
// Subtract needle from haystack
func SubtractBazelLabelList(haystack LabelList, needle LabelList) LabelList {
var result LabelList

45
bp2build/cc_library_conversion_test.go
View File

@@ -113,6 +113,7 @@ cc_library {
copts = [
"-Wall",
"-I.",
"-I$(BINDIR)/.",
],
deps = [":some-headers"],
includes = ["foo-dir"],
@@ -183,6 +184,7 @@ cc_library {
"-Wunused",
"-Werror",
"-I.",
"-I$(BINDIR)/.",
],
deps = [":libc_headers"],
linkopts = [
@@ -242,7 +244,10 @@ cc_library {
bp: soongCcLibraryPreamble,
expectedBazelTargets: []string{`cc_library(
name = "fake-libarm-optimized-routines-math",
copts = ["-Iexternal"] + select({
copts = [
"-Iexternal",
"-I$(BINDIR)/external",
] + select({
"//build/bazel/platforms/arch:arm64": ["-DHAVE_FAST_FMA=1"],
"//conditions:default": [],
}),
@@ -310,6 +315,7 @@ cc_library { name: "shared_dep_for_both" }
copts = [
"bothflag",
"-Ifoo/bar",
"-I$(BINDIR)/foo/bar",
],
deps = [":static_dep_for_both"],
dynamic_deps = [":shared_dep_for_both"],
@@ -347,7 +353,10 @@ cc_library {
bp: soongCcLibraryPreamble,
expectedBazelTargets: []string{`cc_library(
name = "a",
copts = ["-Ifoo/bar"],
copts = [
"-Ifoo/bar",
"-I$(BINDIR)/foo/bar",
],
srcs = ["a.cpp"],
version_script = "v.map",
)`},
@@ -380,7 +389,10 @@ cc_library {
bp: soongCcLibraryPreamble,
expectedBazelTargets: []string{`cc_library(
name = "a",
copts = ["-Ifoo/bar"],
copts = [
"-Ifoo/bar",
"-I$(BINDIR)/foo/bar",
],
srcs = ["a.cpp"],
version_script = select({
"//build/bazel/platforms/arch:arm": "arm.map",
@@ -413,11 +425,17 @@ cc_library {
bp: soongCcLibraryPreamble,
expectedBazelTargets: []string{`cc_library(
name = "a",
copts = ["-Ifoo/bar"],
copts = [
"-Ifoo/bar",
"-I$(BINDIR)/foo/bar",
],
dynamic_deps = [":mylib"],
)`, `cc_library(
name = "mylib",
copts = ["-Ifoo/bar"],
copts = [
"-Ifoo/bar",
"-I$(BINDIR)/foo/bar",
],
)`},
},
{
@@ -461,12 +479,18 @@ cc_library {
bp: soongCcLibraryPreamble,
expectedBazelTargets: []string{`cc_library(
name = "a",
copts = ["-Ifoo/bar"],
copts = [
"-Ifoo/bar",
"-I$(BINDIR)/foo/bar",
],
linkopts = ["-Wl,--pack-dyn-relocs=none"],
srcs = ["a.cpp"],
)`, `cc_library(
name = "b",
copts = ["-Ifoo/bar"],
copts = [
"-Ifoo/bar",
"-I$(BINDIR)/foo/bar",
],
linkopts = select({
"//build/bazel/platforms/arch:x86_64": ["-Wl,--pack-dyn-relocs=none"],
"//conditions:default": [],
@@ -474,7 +498,10 @@ cc_library {
srcs = ["b.cpp"],
)`, `cc_library(
name = "c",
copts = ["-Ifoo/bar"],
copts = [
"-Ifoo/bar",
"-I$(BINDIR)/foo/bar",
],
linkopts = select({
"//build/bazel/platforms/os:darwin": ["-Wl,--pack-dyn-relocs=none"],
"//conditions:default": [],
@@ -505,6 +532,7 @@ cc_library {
"-include",
"header.h",
"-Ifoo/bar",
"-I$(BINDIR)/foo/bar",
],
)`},
},
@@ -548,6 +576,7 @@ cc_library {
"-fsigned-char",
"-pedantic",
"-Ifoo/bar",
"-I$(BINDIR)/foo/bar",
] + select({
"//build/bazel/platforms/arch:arm64": ["-DARM64=1"],
"//conditions:default": [],

75
bp2build/cc_library_headers_conversion_test.go
View File

@@ -131,7 +131,10 @@ cc_library_headers {
}`,
expectedBazelTargets: []string{`cc_library_headers(
name = "foo_headers",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
deps = [
":lib-1",
":lib-2",
@@ -147,11 +150,17 @@ cc_library_headers {
}),
)`, `cc_library_headers(
name = "lib-1",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
includes = ["lib-1"],
)`, `cc_library_headers(
name = "lib-2",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
includes = ["lib-2"],
)`},
},
@@ -185,16 +194,28 @@ cc_library_headers {
}`,
expectedBazelTargets: []string{`cc_library_headers(
name = "android-lib",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "base-lib",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "darwin-lib",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "foo_headers",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
deps = [":base-lib"] + select({
"//build/bazel/platforms/os:android": [":android-lib"],
"//build/bazel/platforms/os:darwin": [":darwin-lib"],
@@ -206,16 +227,28 @@ cc_library_headers {
}),
)`, `cc_library_headers(
name = "fuchsia-lib",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "linux-lib",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "linux_bionic-lib",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "windows-lib",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`},
},
{
@@ -236,13 +269,22 @@ cc_library_headers {
}`,
expectedBazelTargets: []string{`cc_library_headers(
name = "android-lib",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "exported-lib",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "foo_headers",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
deps = select({
"//build/bazel/platforms/os:android": [
":android-lib",
@@ -296,7 +338,10 @@ cc_library_headers {
}`,
expectedBazelTargets: []string{`cc_library_headers(
name = "foo_headers",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
includes = ["shared_include_dir"] + select({
"//build/bazel/platforms/arch:arm": ["arm_include_dir"],
"//build/bazel/platforms/arch:x86_64": ["x86_64_include_dir"],

243
bp2build/cc_library_static_conversion_test.go
View File

@@ -17,6 +17,8 @@ package bp2build
import (
"android/soong/android"
"android/soong/cc"
"android/soong/genrule"
"strings"
"testing"
)
@@ -179,10 +181,15 @@ cc_library_static {
"-Dflag1",
"-Dflag2",
"-Iinclude_dir_1",
"-I$(BINDIR)/include_dir_1",
"-Iinclude_dir_2",
"-I$(BINDIR)/include_dir_2",
"-Ilocal_include_dir_1",
"-I$(BINDIR)/local_include_dir_1",
"-Ilocal_include_dir_2",
"-I$(BINDIR)/local_include_dir_2",
"-I.",
"-I$(BINDIR)/.",
],
deps = [
":header_lib_1",
@@ -205,22 +212,34 @@ cc_library_static {
],
)`, `cc_library_static(
name = "static_lib_1",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = ["static_lib_1.cc"],
)`, `cc_library_static(
name = "static_lib_2",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = ["static_lib_2.cc"],
)`, `cc_library_static(
name = "whole_static_lib_1",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = ["whole_static_lib_1.cc"],
)`, `cc_library_static(
name = "whole_static_lib_2",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = ["whole_static_lib_2.cc"],
)`},
@@ -257,7 +276,9 @@ cc_library_static {
name = "foo_static",
copts = [
"-Isubpackage",
"-I$(BINDIR)/subpackage",
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
)`},
@@ -280,7 +301,10 @@ cc_library_static {
}`,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
includes = ["subpackage"],
linkstatic = True,
)`},
@@ -303,7 +327,10 @@ cc_library_static {
}`,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
includes = ["subpackage"],
linkstatic = True,
)`},
@@ -341,10 +368,15 @@ cc_library_static {
name = "foo_static",
copts = [
"-Isubpackage/subsubpackage",
"-I$(BINDIR)/subpackage/subsubpackage",
"-Isubpackage2",
"-I$(BINDIR)/subpackage2",
"-Isubpackage3/subsubpackage",
"-I$(BINDIR)/subpackage3/subsubpackage",
"-Isubpackage/subsubpackage2",
"-I$(BINDIR)/subpackage/subsubpackage2",
"-Isubpackage",
"-I$(BINDIR)/subpackage",
],
includes = ["./exported_subsubpackage"],
linkstatic = True,
@@ -372,7 +404,9 @@ cc_library_static {
name = "foo_static",
copts = [
"-Isubpackage",
"-I$(BINDIR)/subpackage",
"-Isubpackage2",
"-I$(BINDIR)/subpackage2",
],
linkstatic = True,
)`},
@@ -401,8 +435,11 @@ cc_library_static {
name = "foo_static",
copts = [
"-Isubpackage",
"-I$(BINDIR)/subpackage",
"-Isubpackage2",
"-I$(BINDIR)/subpackage2",
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
)`},
@@ -423,7 +460,10 @@ cc_library_static {
}`,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
deps = select({
"//build/bazel/platforms/arch:arm64": [":static_dep"],
"//conditions:default": [],
@@ -435,11 +475,17 @@ cc_library_static {
}),
)`, `cc_library_static(
name = "static_dep",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
)`, `cc_library_static(
name = "static_dep2",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
)`},
},
@@ -459,7 +505,10 @@ cc_library_static {
}`,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
deps = select({
"//build/bazel/platforms/os:android": [":static_dep"],
"//conditions:default": [],
@@ -471,11 +520,17 @@ cc_library_static {
}),
)`, `cc_library_static(
name = "static_dep",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
)`, `cc_library_static(
name = "static_dep2",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
)`},
},
@@ -500,7 +555,10 @@ cc_library_static {
}`,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
deps = [":static_dep"] + select({
"//build/bazel/platforms/arch:arm64": [":static_dep4"],
"//conditions:default": [],
@@ -512,19 +570,31 @@ cc_library_static {
whole_archive_deps = [":static_dep2"],
)`, `cc_library_static(
name = "static_dep",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
)`, `cc_library_static(
name = "static_dep2",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
)`, `cc_library_static(
name = "static_dep3",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
)`, `cc_library_static(
name = "static_dep4",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
)`},
},
@@ -547,7 +617,10 @@ cc_library_static {
}`,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = [
"common.c",
@@ -573,7 +646,10 @@ cc_library_static {
}`,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = ["common.c"] + select({
"//build/bazel/platforms/arch:arm": ["foo-arm.c"],
@@ -604,7 +680,10 @@ cc_library_static {
}`,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = ["common.c"] + select({
"//build/bazel/platforms/arch:arm": ["for-arm.c"],
@@ -637,7 +716,10 @@ cc_library_static {
} `,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = ["common.c"] + select({
"//build/bazel/platforms/arch:arm": [
@@ -687,7 +769,10 @@ cc_library_static {
} `,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = ["common.c"] + select({
"//build/bazel/platforms/arch:arm": [
@@ -738,12 +823,18 @@ cc_library_static {
}`,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
deps = [":static_dep"],
linkstatic = True,
)`, `cc_library_static(
name = "static_dep",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
)`},
},
@@ -768,7 +859,10 @@ cc_library_static {
} `,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = ["common.c"] + select({
"//build/bazel/platforms/arch:arm": ["for-lib32.c"],
@@ -801,7 +895,10 @@ cc_library_static {
} `,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static2",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = ["common.c"] + select({
"//build/bazel/platforms/arch:arm": [
@@ -867,7 +964,10 @@ cc_library_static {
}`,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static3",
copts = ["-I."],
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = ["common.c"] + select({
"//build/bazel/platforms/arch:arm": [
@@ -911,6 +1011,94 @@ cc_library_static {
"not-for-x86_64.c",
],
}),
)`},
},
{
description: "cc_library_static arch srcs/exclude_srcs with generated files",
moduleTypeUnderTest: "cc_library_static",
moduleTypeUnderTestFactory: cc.LibraryStaticFactory,
moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
depsMutators: []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
filesystem: map[string]string{
"common.c": "",
"for-x86.c": "",
"not-for-x86.c": "",
"not-for-everything.c": "",
"dep/Android.bp": `
genrule {
name: "generated_src_other_pkg",
out: ["generated_src_other_pkg.cpp"],
cmd: "nothing to see here",
}
genrule {
name: "generated_hdr_other_pkg",
out: ["generated_hdr_other_pkg.cpp"],
cmd: "nothing to see here",
}
genrule {
name: "generated_hdr_other_pkg_x86",
out: ["generated_hdr_other_pkg_x86.cpp"],
cmd: "nothing to see here",
}`,
},
bp: soongCcLibraryStaticPreamble + `
genrule {
name: "generated_src",
out: ["generated_src.cpp"],
cmd: "nothing to see here",
}
genrule {
name: "generated_src_x86",
out: ["generated_src_x86.cpp"],
cmd: "nothing to see here",
}
genrule {
name: "generated_hdr",
out: ["generated_hdr.h"],
cmd: "nothing to see here",
}
cc_library_static {
name: "foo_static3",
srcs: ["common.c", "not-for-*.c"],
exclude_srcs: ["not-for-everything.c"],
generated_sources: ["generated_src", "generated_src_other_pkg"],
generated_headers: ["generated_hdr", "generated_hdr_other_pkg"],
arch: {
x86: {
srcs: ["for-x86.c"],
exclude_srcs: ["not-for-x86.c"],
generated_sources: ["generated_src_x86"],
generated_headers: ["generated_hdr_other_pkg_x86"],
},
},
}
`,
expectedBazelTargets: []string{`cc_library_static(
name = "foo_static3",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
linkstatic = True,
srcs = [
"//dep:generated_hdr_other_pkg",
"//dep:generated_src_other_pkg",
":generated_hdr",
":generated_src",
"common.c",
] + select({
"//build/bazel/platforms/arch:x86": [
"//dep:generated_hdr_other_pkg_x86",
":generated_src_x86",
"for-x86.c",
],
"//conditions:default": ["not-for-x86.c"],
}),
)`},
},
}
@@ -933,6 +1121,7 @@ cc_library_static {
cc.RegisterCCBuildComponents(ctx)
ctx.RegisterModuleType("toolchain_library", cc.ToolchainLibraryFactory)
ctx.RegisterModuleType("cc_library_headers", cc.LibraryHeaderFactory)
ctx.RegisterModuleType("genrule", genrule.GenRuleFactory)
ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
for _, m := range testCase.depsMutators {

9
bp2build/cc_object_conversion_test.go
View File

@@ -65,7 +65,9 @@ func TestCcObjectBp2Build(t *testing.T) {
"-Wall",
"-Werror",
"-Iinclude",
"-I$(BINDIR)/include",
"-I.",
"-I$(BINDIR)/.",
],
srcs = ["a/b/c.c"],
)`,
@@ -109,7 +111,9 @@ cc_defaults {
"-Werror",
"-fno-addrsig",
"-Iinclude",
"-I$(BINDIR)/include",
"-I.",
"-I$(BINDIR)/.",
],
srcs = ["a/b/c.c"],
)`,
@@ -140,6 +144,7 @@ cc_object {
copts = [
"-fno-addrsig",
"-I.",
"-I$(BINDIR)/.",
],
srcs = ["x/y/z.c"],
)`, `cc_object(
@@ -147,6 +152,7 @@ cc_object {
copts = [
"-fno-addrsig",
"-I.",
"-I$(BINDIR)/.",
],
deps = [":bar"],
srcs = ["a/b/c.c"],
@@ -284,6 +290,7 @@ func TestCcObjectConfigurableAttributesBp2Build(t *testing.T) {
copts = [
"-fno-addrsig",
"-I.",
"-I$(BINDIR)/.",
] + select({
"//build/bazel/platforms/arch:x86": ["-fPIC"],
"//conditions:default": [],
@@ -329,6 +336,7 @@ func TestCcObjectConfigurableAttributesBp2Build(t *testing.T) {
copts = [
"-fno-addrsig",
"-I.",
"-I$(BINDIR)/.",
] + select({
"//build/bazel/platforms/arch:arm": ["-Wall"],
"//build/bazel/platforms/arch:arm64": ["-Wall"],
@@ -373,6 +381,7 @@ func TestCcObjectConfigurableAttributesBp2Build(t *testing.T) {
copts = [
"-fno-addrsig",
"-I.",
"-I$(BINDIR)/.",
] + select({
"//build/bazel/platforms/os:android": ["-fPIC"],
"//build/bazel/platforms/os:darwin": ["-Wall"],

53
cc/bp2build.go
View File

@@ -14,10 +14,11 @@
package cc
import (
"android/soong/android"
"android/soong/bazel"
"path/filepath"
"strings"
"android/soong/android"
"android/soong/bazel"
)
// bp2build functions and helpers for converting cc_* modules to Bazel.
@@ -49,6 +50,22 @@ func depsBp2BuildMutator(ctx android.BottomUpMutatorContext) {
var allDeps []string
for _, p := range module.GetTargetProperties(ctx, &BaseCompilerProperties{}) {
// base compiler props
if baseCompilerProps, ok := p.(*BaseCompilerProperties); ok {
allDeps = append(allDeps, baseCompilerProps.Generated_headers...)
allDeps = append(allDeps, baseCompilerProps.Generated_sources...)
}
}
for _, p := range module.GetArchProperties(ctx, &BaseCompilerProperties{}) {
// arch specific compiler props
if baseCompilerProps, ok := p.(*BaseCompilerProperties); ok {
allDeps = append(allDeps, baseCompilerProps.Generated_headers...)
allDeps = append(allDeps, baseCompilerProps.Generated_sources...)
}
}
for _, p := range module.GetTargetProperties(ctx, &BaseLinkerProperties{}) {
// arch specific linker props
if baseLinkerProps, ok := p.(*BaseLinkerProperties); ok {
@@ -173,11 +190,19 @@ func bp2BuildParseCompilerProps(ctx android.TopDownMutatorContext, module *Modul
var srcs bazel.LabelListAttribute
var copts bazel.StringListAttribute
// Creates the -I flag for a directory, while making the directory relative
// Creates the -I flags for a directory, while making the directory relative
// to the exec root for Bazel to work.
includeFlag := func(dir string) string {
includeFlags := func(dir string) []string {
// filepath.Join canonicalizes the path, i.e. it takes care of . or .. elements.
return "-I" + filepath.Join(ctx.ModuleDir(), dir)
moduleDirRootedPath := filepath.Join(ctx.ModuleDir(), dir)
return []string{
"-I" + moduleDirRootedPath,
// Include the bindir-rooted path (using make variable substitution). This most
// closely matches Bazel's native include path handling, which allows for dependency
// on generated headers in these directories.
// TODO(b/188084383): Handle local include directories in Bazel.
"-I$(BINDIR)/" + moduleDirRootedPath,
}
}
// Parse the list of module-relative include directories (-I).
@@ -197,7 +222,7 @@ func bp2BuildParseCompilerProps(ctx android.TopDownMutatorContext, module *Modul
copts = append(copts, strings.Split(flag, " ")...)
}
for _, dir := range parseLocalIncludeDirs(baseCompilerProps) {
copts = append(copts, includeFlag(dir))
copts = append(copts, includeFlags(dir)...)
}
return copts
}
@@ -215,9 +240,17 @@ func bp2BuildParseCompilerProps(ctx android.TopDownMutatorContext, module *Modul
parseSrcs := func(baseCompilerProps *BaseCompilerProperties) bazel.LabelList {
// Combine the base srcs and arch-specific srcs
allSrcs := append(baseSrcs, baseCompilerProps.Srcs...)
// Add srcs-like dependencies such as generated files.
// First create a LabelList containing these dependencies, then merge the values with srcs.
generatedHdrsAndSrcs := baseCompilerProps.Generated_headers
generatedHdrsAndSrcs = append(generatedHdrsAndSrcs, baseCompilerProps.Generated_sources...)
generatedHdrsAndSrcsLabelList := android.BazelLabelForModuleDeps(ctx, generatedHdrsAndSrcs)
// Combine the base exclude_srcs and configuration-specific exclude_srcs
allExcludeSrcs := append(baseExcludeSrcs, baseCompilerProps.Exclude_srcs...)
return android.BazelLabelForModuleSrcExcludes(ctx, allSrcs, allExcludeSrcs)
allSrcsLabelList := android.BazelLabelForModuleSrcExcludes(ctx, allSrcs, allExcludeSrcs)
return bazel.AppendBazelLabelLists(allSrcsLabelList, generatedHdrsAndSrcsLabelList)
}
for _, props := range module.compiler.compilerProps() {
@@ -227,8 +260,8 @@ func bp2BuildParseCompilerProps(ctx android.TopDownMutatorContext, module *Modul
// Used for arch-specific srcs later.
baseSrcs = baseCompilerProps.Srcs
baseExcludeSrcs = baseCompilerProps.Exclude_srcs
baseSrcsLabelList = parseSrcs(baseCompilerProps)
baseExcludeSrcs = baseCompilerProps.Exclude_srcs
break
}
}
@@ -237,9 +270,9 @@ func bp2BuildParseCompilerProps(ctx android.TopDownMutatorContext, module *Modul
// target has access to all headers recursively in the package, and has
// "-I<module-dir>" in its copts.
if c, ok := module.compiler.(*baseCompiler); ok && c.includeBuildDirectory() {
copts.Value = append(copts.Value, includeFlag("."))
copts.Value = append(copts.Value, includeFlags(".")...)
} else if c, ok := module.compiler.(*libraryDecorator); ok && c.includeBuildDirectory() {
copts.Value = append(copts.Value, includeFlag("."))
copts.Value = append(copts.Value, includeFlags(".")...)
}
for arch, props := range module.GetArchProperties(ctx, &BaseCompilerProperties{}) {