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From a245af969792bafcfa86090c856a06cb23061816 Mon Sep 17 00:00:00 2001
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From: Debarshi Ray <rishi@fedoraproject.org>
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Date: Mon, 29 Jun 2020 17:57:47 +0200
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Subject: [PATCH] build: Make the build flags match RHEL's %{gobuild} for PPC64
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The Go toolchain doesn't play well with passing compiler and linker
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flags via environment variables. The linker flags require a second
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level of quoting, which leaves the build system without a quote level
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to assign the flags to an environment variable like GOFLAGS.
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This is one reason why RHEL doesn't have a RPM macro with only the
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flags. The %{gobuild} RPM macro includes the entire 'go build ...'
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invocation.
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The Go toolchain also doesn't like the LDFLAGS environment variable as
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exported by RHEL's %{meson} RPM macro, and RHEL's RPM toolchain doesn't
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like the compressed DWARF data generated by the Go toolchain.
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Note that these flags are only meant for the "ppc64" CPU architecture,
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and should be kept updated to match RHEL's Go guidelines. Use
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'rpm --eval "%{gobuild}"' to expand the %{gobuild} macro.
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---
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src/go-build-wrapper | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/src/go-build-wrapper b/src/go-build-wrapper
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index 0d27120da052..ef1a03af750a 100755
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--- a/src/go-build-wrapper
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+++ b/src/go-build-wrapper
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@@ -27,5 +27,6 @@ if ! cd "$1"; then
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exit 1
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fi
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-go build -trimpath -ldflags "-extldflags '-Wl,--wrap,pthread_sigmask $4' -linkmode external -X github.com/containers/toolbox/pkg/version.currentVersion=$3" -o "$2/toolbox"
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+unset LDFLAGS
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+go build -compiler gc -tags="rpm_crashtraceback ${BUILDTAGS:-}" -ldflags "${LDFLAGS:-} -compressdwarf=false -B 0x$(head -c20 /dev/urandom|od -An -tx1|tr -d ' \n') -extldflags '-Wl,-z,relro -Wl,--as-needed -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Wl,--wrap,pthread_sigmask $4' -linkmode external -X github.com/containers/toolbox/pkg/version.currentVersion=$3" -a -v -x -o "$2/toolbox"
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exit "$?"
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--
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2.31.1
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