unix/linux: update glibc to 2.39

golang · May 13, 2024 · d5f3b93 · d5f3b93
1 parent f34bb9f
commit d5f3b93
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Showing 5 changed files with 24 additions and 2 deletions.
diff --git a/unix/linux/Dockerfile b/unix/linux/Dockerfile
@@ -17,8 +17,8 @@ WORKDIR /git
 RUN git config --global advice.detachedHead false
 # Linux Kernel: Released 10 March 2024
 RUN git clone --branch v6.8 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
-# GNU C library: Released 1 Feb 2023
-RUN git clone --branch release/2.37/master --depth 1 https://sourceware.org/git/glibc.git
+# GNU C library: Released 31 Jan 2024
+RUN git clone --branch release/2.39/master --depth 1 https://sourceware.org/git/glibc.git
 
 # Get Go
 ENV GOLANG_VERSION 1.21.0

diff --git a/unix/linux/mkall.go b/unix/linux/mkall.go
@@ -417,6 +417,20 @@ func (t *target) makeHeaders() error {
 	} else {
 		glibcArgs = append(glibcArgs, "--enable-kernel="+MinKernel)
 	}
+
+	// CET is not supported on x86 but glibc 2.39 enables it by default, it was later reverted.
+	// See https://sourceware.org/git/?p=glibc.git;a=commit;h=25f1e16ef03a6a8fb1701c4647d46c564480d88c
+	if t.LinuxArch == "x86" {
+		glibcArgs = append(glibcArgs, "--enable-cet=no")
+	}
+
+	// glibc 2.38 requires libmvec to be disabled explicitly in aarch64
+	// since the installed compiler does not have SVE ACLE.
+	// See https://sourceware.org/pipermail/libc-alpha/2023-May/147829.html
+	if t.LinuxArch == "arm64" {
+		glibcArgs = append(glibcArgs, "--disable-mathvec")
+	}
+
 	glibcConf := t.makeCommand(confScript, glibcArgs...)
 
 	glibcConf.Dir = buildDir

diff --git a/unix/zerrors_linux.go b/unix/zerrors_linux.go
diff --git a/unix/zerrors_linux_386.go b/unix/zerrors_linux_386.go
diff --git a/unix/zerrors_linux_amd64.go b/unix/zerrors_linux_amd64.go