7eeadceb3e
Upstream provides a DTC_VERSION preprocessor macro to its C code by
generating a version_gen.h header from either of its supported build
systems: Make formats the header from its internal variables (VERSION,
PATCHLEVEL, SUBLEVEL, ...) while Meson uses its vcs_tag() function on
a template, version_gen.h.in.
As AOSP doesn't make use of these build systems, aosp/204511 decided to
hardcode a version_non_gen.h file and patch the corresponding #include.
This unsurprisingly ended up bitrotting as the repo was being upgraded.
Instead, replicate the version_gen.h.in patching in our build systems,
extracting the version number from the METADATA file, which
external_updater.sh will keep up-to-date. Note that this introduces a
dependency on sed in the genrule(), the impact of which is minimized by
making METADATA_version.sed POSIX-compliant.
Keep appending the suffix '-Android-build' to the upstream version.
Test: m dtc && ${ANDROID_HOST_OUT}/bin/dtc --version
Test: bazel build //:dtc && bazel-bin/dtc --version
Change-Id: I6b780c1dbe14d415891defeb652f0692988ed0b1
119 lines
2.1 KiB
Python
119 lines
2.1 KiB
Python
cc_library(
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name = "libfdt",
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srcs = glob([
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"libfdt/*.h",
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"libfdt/*.c",
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]),
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copts = [
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"-Werror",
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"-Wno-macro-redefined",
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"-Wno-sign-compare",
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],
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includes = ["libfdt"],
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)
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COPTS = [
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"-Wall",
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"-Werror",
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"-Wno-sign-compare",
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"-Wno-missing-field-initializers",
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"-Wno-unused-parameter",
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]
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genrule(
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name = "dtc_lexer_srcs",
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srcs = ["dtc-lexer.l"],
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outs = ["dtc-lexer.lex.c"],
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cmd = "lex -o $@ $<",
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)
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genrule(
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name = "dtc_parser_srcs",
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srcs = ["dtc-parser.y"],
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outs = [
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"dtc-parser.c",
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"dtc-parser.h",
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],
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cmd = "bison -d -o $(location dtc-parser.c) $(location dtc-parser.y)",
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)
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UTILS = [
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"util.c",
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"util.h",
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":version_gen_header",
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]
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genrule(
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name = "version_gen_header",
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outs = ["version_gen.h"],
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srcs = [
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"METADATA",
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"METADATA_version.sed",
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"version_gen.h.in",
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],
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cmd = """
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version="$$(sed -f $(location METADATA_version.sed) -n $(location METADATA))-Android-build"
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sed s/@VCS_TAG@/$${version}/ $(location version_gen.h.in) > $@
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""",
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)
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cc_binary(
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name = "dtc",
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srcs = UTILS + [
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":dtc_lexer_srcs",
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":dtc_parser_srcs",
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"checks.c",
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"data.c",
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"dtc.c",
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"dtc.h",
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"flattree.c",
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"fstree.c",
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"livetree.c",
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"srcpos.c",
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"srcpos.h",
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"treesource.c",
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],
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copts = COPTS,
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defines = ["NO_YAML"],
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deps = [":libfdt"],
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)
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cc_binary(
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name = "fdtget",
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srcs = UTILS + [
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"fdtget.c",
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],
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copts = COPTS,
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defines = ["NO_YAML"],
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deps = [":libfdt"],
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)
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cc_binary(
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name = "fdtput",
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srcs = UTILS + [
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"fdtput.c",
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],
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copts = COPTS,
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defines = ["NO_YAML"],
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deps = [":libfdt"],
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)
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cc_binary(
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name = "fdtdump",
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srcs = UTILS + [
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"fdtdump.c",
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],
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copts = COPTS,
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defines = ["NO_YAML"],
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deps = [":libfdt"],
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)
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cc_binary(
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name = "fdtoverlay",
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srcs = UTILS + [
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"fdtoverlay.c",
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],
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copts = COPTS,
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defines = ["NO_YAML"],
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deps = [":libfdt"],
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)
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