go.mod, build: upgrade c-kzg-4844 (#27907)

This upgrades to the latest release of ckzg, and also attempts to fix some blst-related
build errors that occur on launchpad.net.

build/ci.go

@@ -200,6 +200,7 @@ func doInstall(cmdline []string) {
 		staticlink = flag.Bool("static", false, "Create statically-linked executable")
 	)
 	flag.CommandLine.Parse(cmdline)
+	env := build.Env()
 
 	// Configure the toolchain.
 	tc := build.GoToolchain{GOARCH: *arch, CC: *cc}
@@ -207,12 +208,16 @@ func doInstall(cmdline []string) {
 		csdb := build.MustLoadChecksums("build/checksums.txt")
 		tc.Root = build.DownloadGo(csdb, dlgoVersion)
 	}
-	// Disable CLI markdown doc generation in release builds and enable linking
-	// the CKZG library since we can make it portable here.
-	buildTags := []string{"urfave_cli_no_docs", "ckzg"}
+
+	// Disable CLI markdown doc generation in release builds.
+	buildTags := []string{"urfave_cli_no_docs"}
+
+	// Enable linking the CKZG library since we can make it work with additional flags.
+	if env.UbuntuVersion != "trusty" {
+		buildTags = append(buildTags, "ckzg")
+	}
 
 	// Configure the build.
-	env := build.Env()
 	gobuild := tc.Go("build", buildFlags(env, *staticlink, buildTags)...)
 
 	// arm64 CI builders are memory-constrained and can't handle concurrent builds,
@@ -298,10 +303,14 @@ func doTest(cmdline []string) {
 		csdb := build.MustLoadChecksums("build/checksums.txt")
 		tc.Root = build.DownloadGo(csdb, dlgoVersion)
 	}
-	gotest := tc.Go("test", "-tags=ckzg")
+	gotest := tc.Go("test")
+
 	// CI needs a bit more time for the statetests (default 10m).
 	gotest.Args = append(gotest.Args, "-timeout=20m")
 
+	// Enable CKZG backend in CI.
+	gotest.Args = append(gotest.Args, "-tags=ckzg")
+
 	// Test a single package at a time. CI builders are slow
 	// and some tests run into timeouts under load.
 	gotest.Args = append(gotest.Args, "-p", "1")

build/deb/ethereum/deb.rules

@@ -28,7 +28,7 @@ override_dh_auto_build:
 	mv .mod $(GOPATH)/pkg/mod
 
 	# A fresh Go was built, all dependency downloads faked, hope build works now
-	../.go/bin/go run build/ci.go install -git-commit={{.Env.Commit}} -git-branch={{.Env.Branch}} -git-tag={{.Env.Tag}} -buildnum={{.Env.Buildnum}} -pull-request={{.Env.IsPullRequest}}
+	../.go/bin/go run build/ci.go install -git-commit={{.Env.Commit}} -git-branch={{.Env.Branch}} -git-tag={{.Env.Tag}} -buildnum={{.Env.Buildnum}} -pull-request={{.Env.IsPullRequest}} -ubuntu {{.Distro}}
 
 override_dh_auto_test: