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Forbid -Weverything

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Use of -Weverything blocks build system changes and toolchain updates
on new warnings.  Forbid it in the build system.  Developers can
experiment with -Weverything on their module by adding it to their
Android.bp file and building with
m ANDROID_TEMPORARILY_ALLOW_WEVERYTHING=true

Fixes: 143713277
Test: manual
Change-Id: If154db328c52f687161e7a41e486d56a129850ac
This commit is contained in:
Colin Cross 2019-11-12 09:59:12 -08:00
parent 38dec1bcb5
commit 39ef52f1df
1 changed files with 5 additions and 0 deletions
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5
cc/check.go
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@ -38,6 +38,11 @@ func CheckBadCompilerFlags(ctx BaseModuleContext, prop string, flags []string) {
ctx.PropertyErrorf(prop, "Illegal flag `%s`", flag)
} else if flag == "--coverage" {
ctx.PropertyErrorf(prop, "Bad flag: `%s`, use native_coverage instead", flag)
} else if flag == "-Weverything" {
if !ctx.Config().IsEnvTrue("ANDROID_TEMPORARILY_ALLOW_WEVERYTHING") {
ctx.PropertyErrorf(prop, "-Weverything is not allowed in Android.bp files. "+
"Build with `m ANDROID_TEMPORARILY_ALLOW_WEVERYTHING=true` to experiment locally with -Weverything.")
}
} else if strings.Contains(flag, " ") {
args := strings.Split(flag, " ")
if args[0] == "-include" {