commit:     f55732a438fb996fc8e4fdc8e6576f5d9946532d
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Thu Apr 10 00:38:44 2025 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Thu Apr 10 00:39:16 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f55732a4

dev-lang/go: don't default to -fuse-ld=gold on arm64

Don't default to -fuse-ld=gold on arm64. The gold linker is deprecated in
GNU Binutils and the referenced bfd bug which led to this default being
added is long-fixed.

Closes: https://bugs.gentoo.org/893956
Closes: https://bugs.gentoo.org/953459
Signed-off-by: Sam James <sam <AT> gentoo.org>

 .../go/files/go-1.24-dont-force-gold-arm.patch     | 55 ++++++++++++++++++++++
 .../go/{go-9999.ebuild => go-1.24.2-r1.ebuild}     |  7 ++-
 dev-lang/go/go-9999.ebuild                         |  4 +-
 3 files changed, 59 insertions(+), 7 deletions(-)

diff --git a/dev-lang/go/files/go-1.24-dont-force-gold-arm.patch 
b/dev-lang/go/files/go-1.24-dont-force-gold-arm.patch
new file mode 100644
index 000000000000..4869b38593c4
--- /dev/null
+++ b/dev-lang/go/files/go-1.24-dont-force-gold-arm.patch
@@ -0,0 +1,55 @@
+Don't default to -fuse-ld=gold on arm64. The gold linker is deprecated in
+GNU Binutils and the referenced bfd bug which led to this default being
+added is long-fixed.
+
+https://src.fedoraproject.org/rpms/golang/raw/rawhide/f/0006-Default-to-ld.bfd-on-ARM64.patch
+https://bugs.gentoo.org/893956
+https://github.com/golang/go/issues/22040
+https://github.com/golang/go/pull/49748
+https://sourceware.org/PR19962
+
+From 46ec67413008607e2150e3395668e54e538c5b6b Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Alejandro=20S=C3=A1ez?= <[email protected]>
+Date: Wed, 19 Jun 2024 10:18:58 +0200
+Subject: [PATCH] Default to ld.bfd on ARM64
+
+---
+ src/cmd/link/internal/ld/lib.go | 20 +++++++-------------
+ 1 file changed, 7 insertions(+), 13 deletions(-)
+
+diff --git a/src/cmd/link/internal/ld/lib.go b/src/cmd/link/internal/ld/lib.go
+index eab74dc328..b401f58727 100644
+--- a/src/cmd/link/internal/ld/lib.go
++++ b/src/cmd/link/internal/ld/lib.go
+@@ -1620,22 +1620,16 @@ func (ctxt *Link) hostlink() {
+               }
+ 
+               if ctxt.Arch.InFamily(sys.ARM64) && buildcfg.GOOS == "linux" {
+-                      // On ARM64, the GNU linker will fail with
+-                      // -znocopyreloc if it thinks a COPY relocation is
+-                      // required. Switch to gold.
+-                      // https://sourceware.org/bugzilla/show_bug.cgi?id=19962
+-                      // https://go.dev/issue/22040
+-                      altLinker = "gold"
+-
+-                      // If gold is not installed, gcc will silently switch
+-                      // back to ld.bfd. So we parse the version information
+-                      // and provide a useful error if gold is missing.
++                      // Use ld.bfd as the default linker
++                      altLinker = "bfd"
++
++                      // Provide a useful error if ld.bfd is missing
+                       name, args := flagExtld[0], flagExtld[1:]
+-                      args = append(args, "-fuse-ld=gold", "-Wl,--version")
++                      args = append(args, "-fuse-ld=bfd", "-Wl,--version")
+                       cmd := exec.Command(name, args...)
+                       if out, err := cmd.CombinedOutput(); err == nil {
+-                              if !bytes.Contains(out, []byte("GNU gold")) {
+-                                      log.Fatalf("ARM64 external linker must 
be gold (issue #15696, 22040), but is not: %s", out)
++                              if !bytes.Contains(out, []byte("GNU ld")) {
++                                      log.Fatalf("ARM64 external linker must 
be ld.bfd, but is not: %s", out)
+                               }
+                       }
+               }
+-- 
+2.45.1

diff --git a/dev-lang/go/go-9999.ebuild b/dev-lang/go/go-1.24.2-r1.ebuild
similarity index 93%
copy from dev-lang/go/go-9999.ebuild
copy to dev-lang/go/go-1.24.2-r1.ebuild
index f371daa2831b..2be24178ea79 100644
--- a/dev-lang/go/go-9999.ebuild
+++ b/dev-lang/go/go-1.24.2-r1.ebuild
@@ -20,7 +20,7 @@ case ${PV}  in
 *)
        SRC_URI="https://storage.googleapis.com/golang/go${MY_PV}.src.tar.gz "
        S="${WORKDIR}"/go
-#      KEYWORDS="-* ~amd64 ~arm ~arm64 ~loong ~mips ~ppc64 ~riscv ~s390 ~x86 
~amd64-linux ~x86-linux ~x64-macos ~x64-solaris"
+       KEYWORDS="-* ~amd64 ~arm ~arm64 ~loong ~mips ~ppc64 ~riscv ~s390 ~x86 
~amd64-linux ~x86-linux ~x64-macos ~x64-solaris"
        ;;
 esac
 
@@ -31,9 +31,6 @@ LICENSE="BSD"
 SLOT="0/${PV}"
 IUSE="cpu_flags_x86_sse2"
 
-RDEPEND="
-arm? ( sys-devel/binutils[gold(-)] )
-arm64? ( sys-devel/binutils[gold(-)] )"
 BDEPEND="|| (
                >=dev-lang/go-${GO_BOOTSTRAP_MIN}
                >=dev-lang/go-bootstrap-${GO_BOOTSTRAP_MIN} )"
@@ -71,6 +68,8 @@ go_cross_compile() {
 }
 
 PATCHES=(
+       "${FILESDIR}"/go-1.24-skip-gdb-tests.patch
+       "${FILESDIR}"/go-1.24-dont-force-gold-arm.patch
        "${FILESDIR}"/go-never-download-newer-toolchains.patch
 )
 

diff --git a/dev-lang/go/go-9999.ebuild b/dev-lang/go/go-9999.ebuild
index f371daa2831b..923732906b23 100644
--- a/dev-lang/go/go-9999.ebuild
+++ b/dev-lang/go/go-9999.ebuild
@@ -31,9 +31,6 @@ LICENSE="BSD"
 SLOT="0/${PV}"
 IUSE="cpu_flags_x86_sse2"
 
-RDEPEND="
-arm? ( sys-devel/binutils[gold(-)] )
-arm64? ( sys-devel/binutils[gold(-)] )"
 BDEPEND="|| (
                >=dev-lang/go-${GO_BOOTSTRAP_MIN}
                >=dev-lang/go-bootstrap-${GO_BOOTSTRAP_MIN} )"
@@ -71,6 +68,7 @@ go_cross_compile() {
 }
 
 PATCHES=(
+       "${FILESDIR}"/go-1.24-dont-force-gold-arm.patch
        "${FILESDIR}"/go-never-download-newer-toolchains.patch
 )
 

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