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tool/gocross: add debug data to CGO builds

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We don't build a lot of tools with CGO, but we do build some, and it's
extremely valuable for production services in particular to have symbols
included - for perf and so on.

I tested various other builds that could be affected negatively, in
particular macOS/iOS, but those use split-dwarf already as part of their
build path, and Android which does not currently use gocross.

One binary which is normally 120mb only grew to 123mb, so the trade-off
is definitely worthwhile in context.

Updates tailscale/corp#20296

Signed-off-by: James Tucker <james@tailscale.com>
This commit is contained in:
James Tucker 2024-05-22 20:29:19 -07:00 committed by James Tucker
parent 3c9be07214
commit 538c2e8f7c
2 changed files with 21 additions and 21 deletions
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2
tool/gocross/autoflags.go
View File

@ -36,7 +36,7 @@ func autoflagsForTest(argv []string, env *Environment, goroot, nativeGOOS, nativ
targetOS = cmp.Or(env.Get("GOOS", ""), nativeGOOS) targetOS = cmp.Or(env.Get("GOOS", ""), nativeGOOS)
targetArch = cmp.Or(env.Get("GOARCH", ""), nativeGOARCH) targetArch = cmp.Or(env.Get("GOARCH", ""), nativeGOARCH)
buildFlags = []string{"-trimpath"} buildFlags = []string{"-trimpath"}
cgoCflags = []string{"-O3", "-std=gnu11"} cgoCflags = []string{"-O3", "-std=gnu11", "-g"}
cgoLdflags []string cgoLdflags []string
ldflags []string ldflags []string
tags = []string{"tailscale_go"} tags = []string{"tailscale_go"}

40
tool/gocross/autoflags_test.go
View File

@ -41,7 +41,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)
@ -67,7 +67,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)
@ -96,7 +96,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=0 (was <nil>) CGO_ENABLED=0 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=riscv64 (was riscv64) GOARCH=riscv64 (was riscv64)
@ -125,7 +125,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=0 (was <nil>) CGO_ENABLED=0 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)
@ -151,7 +151,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)
@ -181,7 +181,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=0 (was <nil>) CGO_ENABLED=0 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)
@ -210,7 +210,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=0 (was <nil>) CGO_ENABLED=0 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)
@ -240,7 +240,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was 1) CGO_ENABLED=1 (was 1)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)
@ -266,7 +266,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "arm64", nativeGOARCH: "arm64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=arm64 (was <nil>) GOARCH=arm64 (was <nil>)
@ -295,7 +295,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "arm64", nativeGOARCH: "arm64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=arm64 (was <nil>) GOARCH=arm64 (was <nil>)
@ -324,7 +324,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "arm64", nativeGOARCH: "arm64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=arm64 (was ) GOARCH=arm64 (was )
@ -353,7 +353,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "arm64", nativeGOARCH: "arm64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was amd64) GOARCH=amd64 (was amd64)
@ -382,7 +382,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "arm64", nativeGOARCH: "arm64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=arm64 (was <nil>) GOARCH=arm64 (was <nil>)
@ -415,7 +415,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "arm64", nativeGOARCH: "arm64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 -mmacosx-version-min=11.3 -isysroot /my/sdk/root -arch x86_64 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g -mmacosx-version-min=11.3 -isysroot /my/sdk/root -arch x86_64 (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS=-mmacosx-version-min=11.3 -isysroot /my/sdk/root -arch x86_64 (was <nil>) CGO_LDFLAGS=-mmacosx-version-min=11.3 -isysroot /my/sdk/root -arch x86_64 (was <nil>)
GOARCH=amd64 (was amd64) GOARCH=amd64 (was amd64)
@ -448,7 +448,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 -miphoneos-version-min=15.0 -isysroot /my/sdk/root -arch arm64 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g -miphoneos-version-min=15.0 -isysroot /my/sdk/root -arch arm64 (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS=-miphoneos-version-min=15.0 -isysroot /my/sdk/root -arch arm64 (was <nil>) CGO_LDFLAGS=-miphoneos-version-min=15.0 -isysroot /my/sdk/root -arch arm64 (was <nil>)
GOARCH=arm64 (was arm64) GOARCH=arm64 (was arm64)
@ -474,7 +474,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)
@ -500,7 +500,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)
@ -529,7 +529,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)
@ -556,7 +556,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)
@ -586,7 +586,7 @@ func TestAutoflags(t *testing.T) {
nativeGOARCH: "amd64", nativeGOARCH: "amd64",
envDiff: `CC=cc (was <nil>) envDiff: `CC=cc (was <nil>)
CGO_CFLAGS=-O3 -std=gnu11 (was <nil>) CGO_CFLAGS=-O3 -std=gnu11 -g (was <nil>)
CGO_ENABLED=1 (was <nil>) CGO_ENABLED=1 (was <nil>)
CGO_LDFLAGS= (was <nil>) CGO_LDFLAGS= (was <nil>)
GOARCH=amd64 (was <nil>) GOARCH=amd64 (was <nil>)