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build: Add BUILD.bazel file

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Currently, the dtc project builds with Make.

As some consumers of this project use Bazel, and eventually all of
AOSP will need to move to Bazel anyway, add a a Bazel build
definition.

Bug: 251879933
Change-Id: I62ea59ee306eda58b764df2a9e5f2f33778e4b5c
Signed-off-by: John Moon <quic_johmoo@quicinc.com>
This commit is contained in:
John Moon 2023-04-27 14:07:18 -07:00
parent 2675843042
commit b148d78706
3 changed files with 131 additions and 0 deletions
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2
.gitignore vendored
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@ -27,3 +27,5 @@ ncscope.*
.eggs/ .eggs/
build/ build/
dist/ dist/
/bazel-*

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BUILD.bazel Normal file
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@ -0,0 +1,129 @@
cc_library(
name = "libfdt",
srcs = glob([
"libfdt/*.h",
"libfdt/*.c",
]),
copts = [
"-Werror",
"-Wno-macro-redefined",
"-Wno-sign-compare",
],
includes = ["libfdt"],
)
COPTS = [
"-Wall",
"-Werror",
"-Wno-sign-compare",
"-Wno-missing-field-initializers",
"-Wno-unused-parameter",
]
genrule(
name = "lexer",
srcs = [
"dtc-lexer.l",
":parser",
],
outs = ["dtc-lexer.lex.c"],
cmd = "lex -o$@ $(location dtc-lexer.l)",
)
genrule(
name = "parser",
srcs = ["dtc-parser.y"],
outs = [
"dtc-parser.c",
"dtc-parser.h",
],
cmd = """
bison -b dtc-parser -d $(location dtc-parser.y)
cp ./*.c $(location dtc-parser.c)
cp ./*.h $(location dtc-parser.h)
""",
)
cc_library(
name = "dtc_gen",
srcs = [
":lexer",
":parser",
],
hdrs = glob(["*.h"]),
copts = COPTS,
deps = [":libfdt"],
)
cc_binary(
name = "dtc",
srcs = [
"checks.c",
"data.c",
"dtc.c",
"flattree.c",
"fstree.c",
"livetree.c",
"srcpos.c",
"treesource.c",
"util.c",
],
copts = COPTS,
defines = ["NO_YAML"],
deps = [
":dtc_gen",
":libfdt",
],
)
cc_binary(
name = "fdtget",
srcs = [
"fdtget.c",
"util.c",
"util.h",
"version_non_gen.h",
],
copts = COPTS,
defines = ["NO_YAML"],
deps = [":libfdt"],
)
cc_binary(
name = "fdtput",
srcs = [
"fdtput.c",
"util.c",
"util.h",
"version_non_gen.h",
],
copts = COPTS,
defines = ["NO_YAML"],
deps = [":libfdt"],
)
cc_binary(
name = "fdtdump",
srcs = [
"fdtdump.c",
"util.c",
"util.h",
"version_non_gen.h",
],
copts = COPTS,
defines = ["NO_YAML"],
deps = [":libfdt"],
)
cc_binary(
name = "fdtoverlay",
srcs = [
"fdtoverlay.c",
"util.c",
"util.h",
"version_non_gen.h",
],
copts = COPTS,
defines = ["NO_YAML"],
deps = [":libfdt"],
)

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WORKSPACE Normal file
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