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toolbox/SOURCES/toolbox-Make-the-build-flag...

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From f08f64c0d5f2019055381c3c00426fe8545e5e31 Mon Sep 17 00:00:00 2001
From: Debarshi Ray <rishi@fedoraproject.org>
Date: Mon, 29 Jun 2020 17:57:47 +0200
Subject: [PATCH] build: Make the build flags match RHEL 10's %{gobuildflags}
These reflect the defaults for RHEL 10.0 Beta, because RHEL 10.0 is
still early in its development cycle and the defaults may be in a state
of flux. Some exceptions are mentioned below.
The '-z pack-relative-relocs' linker flag was left out. It's currently
not supported on s390x, so using it would require architecture specific
patches, which is a hassle. Support for aarch64 was recently added [1],
so hopefully s390x will also be supported soon.
The change to use the RPM's %{name}, %{version}, %{release} and the
SOURCE_DATE_EPOCH environment variable [2], instead of /dev/urandom, to
generate the build ID annotation for the toolbox(1) binary [2] was left
out. It will need more work to propagate the RPM's %{name}, %{version}
and %{release} to Meson.
Note that these flags are meant for every CPU architecture other than
PPC64, and should be kept updated to match RHEL 10's Go guidelines. Use
'rpm --eval "%{gobuildflags}"' to expand the %{gobuildflags} macro.
[1] CentOS Stream redhat-rpm-config commit 3c5a6b17540b2a0b
https://gitlab.com/redhat/centos-stream/rpms/redhat-rpm-config/-/commit/3c5a6b17540b2a0b
https://gitlab.com/redhat/centos-stream/rpms/redhat-rpm-config/-/merge_requests/42
https://issues.redhat.com/browse/RHEL-40379
[2] go-rpm-macros commit 1980932bf3a21890
https://pagure.io/go-rpm-macros/c/1980932bf3a21890
https://fedoraproject.org/wiki/Changes/ReproduciblePackageBuilds
---
src/go-build-wrapper | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/src/go-build-wrapper b/src/go-build-wrapper
index a5a1a6a508fb..5978422e9aed 100755
--- a/src/go-build-wrapper
+++ b/src/go-build-wrapper
@@ -33,9 +33,9 @@ if ! cd "$1"; then
exit 1
fi
-tags=""
+tags="-tags rpm_crashtraceback,${GO_BUILDTAGS:-}"
if $7; then
- tags="-tags migration_path_for_coreos_toolbox"
+ tags="$tags,migration_path_for_coreos_toolbox"
fi
if ! libc_dir=$("$5" --print-file-name=libc.so); then
@@ -114,9 +114,14 @@ dynamic_linker="/run/host$dynamic_linker_canonical_dirname/$dynamic_linker_basen
# shellcheck disable=SC2086
go build \
+ -buildmode pie \
+ -compiler gc \
$tags \
-trimpath \
- -ldflags "-extldflags '-Wl,-dynamic-linker,$dynamic_linker -Wl,-rpath,/run/host$libc_dir_canonical_dirname -Wl,--export-dynamic -Wl,--unresolved-symbols=ignore-in-object-files' -linkmode external -X github.com/containers/toolbox/pkg/version.currentVersion=$4" \
+ -ldflags "${GO_LDFLAGS:-} -B 0x$(head -c20 /dev/urandom|od -An -tx1|tr -d ' \n') -compressdwarf=false -extldflags '-Wl,-z,relro -Wl,--as-needed -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -Wl,--build-id=sha1 -specs=/usr/lib/rpm/redhat/redhat-package-notes -Wl,-dynamic-linker,$dynamic_linker -Wl,-rpath,/run/host$libc_dir_canonical_dirname -Wl,--export-dynamic -Wl,--unresolved-symbols=ignore-in-object-files' -linkmode external -X github.com/containers/toolbox/pkg/version.currentVersion=$4" \
+ -a \
+ -v \
+ -x \
-o "$2/$3"
exit "$?"
--
2.46.1