only build on x86_64

sgabios.spec

@@ -14,7 +14,8 @@ URL:                 https://github.com/qemu/sgabios
 # date=`git log -1 --format='%cd' --date=short | tr -d -`
 # git archive --prefix sgabios-${date}-git${hash}/ ${hash} | xz -7e > ../openbios-${date}-git${hash}.tar.xz
 Source0:             sgabios-20180715-git72f39d4.tar.xz
-BuildRequires:       binutils-x86_64-linux-gnu gcc-x86_64-linux-gnu gcc
+BuildRequires:       gcc
+ExclusiveArch:       x86_64
 Buildarch:           noarch
 Provides:            %{name}-bin = %{epoch}:%{version}-%{release}
 Obsoletes:           %{name}-bin < %{epoch}:%{version}-%{release}
@@ -27,13 +28,7 @@ an attached serial console as if a VGA card is attached.
 
 %build
 unset MAKEFLAGS
-make \
-        HOSTCC=gcc \
-        CC=x86_64-linux-gnu-gcc \
-        AS=x86_64-linux-gnu-as \
-        LD=x86_64-linux-gnu-ld \
-        OBJCOPY=x86_64-linux-gnu-objcopy \
-        OBJDUMP=x86_64-linux-gnu-objdump
+make
 
 %install
 install -m 0644 -D sgabios.bin $RPM_BUILD_ROOT%{_datadir}/sgabios/sgabios.bin

sgabios.yaml

@@ -1,4 +1,4 @@
 version_control: github
 src_repo: qemu/sgabios
-tag_prefix: ^
-seperator: .
+tag_prefix: NA
+seperator: "."