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ANDROID: build: Switch to hermetic tools for DTC build

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Currently, the DTC build will use host tools for lex and bison runs.

With the hermetic_genrule from Kleaf, it's easy to use the hermetic
tools instead which obviates the need for lex and bison on the host.

Switch to hermetic_genrule.

Change-Id: Ib505cf3833c8ecec275c50f9c44ff74efe39b649
Signed-off-by: John Moon <quic_johmoo@quicinc.com>
This commit is contained in:
John Moon 2023-08-29 10:39:29 -07:00
parent 157de4eba3
commit 0d3933f9e4
1 changed files with 5 additions and 3 deletions
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8
BUILD.dtc
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@ -1,3 +1,5 @@
load("@//build/kernel/kleaf:hermetic_tools.bzl", "hermetic_genrule")
cc_library( cc_library(
name = "libfdt", name = "libfdt",
copts = [ copts = [
@ -22,14 +24,14 @@ copts = [
"-Wno-unused-parameter", "-Wno-unused-parameter",
] ]
genrule( hermetic_genrule(
name = "lexer", name = "lexer",
srcs = ["dtc-lexer.l"], srcs = ["dtc-lexer.l"],
outs = ["dtc-lexer.lex.c"], outs = ["dtc-lexer.lex.c"],
cmd = "lex -o$@ $(location dtc-lexer.l)" cmd = "flex -o$@ $(location dtc-lexer.l)"
) )
genrule( hermetic_genrule(
name = "parser", name = "parser",
srcs = ["dtc-parser.y"], srcs = ["dtc-parser.y"],
outs = ["dtc-parser.tab.c", "dtc-parser.tab.h"], outs = ["dtc-parser.tab.c", "dtc-parser.tab.h"],