[packages/go-md2man] use %go_arches and %__go macros

[atler]

commit 89ef1ce26c91b996b2003fb058de2ee126622921
Author: Jan Palus <atler at pld-linux.org>
Date:   Thu Sep 28 17:30:15 2023 +0200

    use %go_arches and %__go macros

 go-md2man.spec | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/go-md2man.spec b/go-md2man.spec
index 33eed13..f23d912 100644
--- a/go-md2man.spec
+++ b/go-md2man.spec
@@ -9,10 +9,11 @@ Source0:	https://github.com/cpuguy83/go-md2man/archive/v%{version}/%{name}-%{ver
 URL:		https://github.com/cpuguy83/go-md2man
 BuildRequires:	golang
 BuildRequires:	golang-github-russross-blackfriday-devel
-ExclusiveArch:	%{ix86} %{x8664} %{arm} aarch64 mips64 mips64le ppc64 ppc64le s390x
+BuildRequires:	rpmbuild(macros) >= 2.009
+ExclusiveArch:	%go_arches
 
 %define		_enable_debug_packages 0
-%define		gobuild(o:) go build -mod=vendor -ldflags "${LDFLAGS:-} -B 0x$(head -c20 /dev/urandom|od -An -tx1|tr -d ' \\n')" -a -v -x %{?**};
+%define		gobuild(o:) %__go build -mod=vendor -ldflags "${LDFLAGS:-} -B 0x$(head -c20 /dev/urandom|od -An -tx1|tr -d ' \\n')" -a -v -x %{?**};
 
 %description
 go-md2man is a golang tool using blackfriday to process markdown into
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/go-md2man.git/commitdiff/6153080f366d9d92db0381055b850faea915be29