integrate macros into the SDK

Dockerfile

@@ -895,6 +895,19 @@ RUN \
     -C /${MUSL_SYSROOT}/usr/share/licenses -T toolchain-licenses.txt && \
   tar xvf toolchain.tar -C /
 
+# =^..^=   =^..^=   =^..^=   =^..^=   =^..^=   =^..^=   =^..^=   =^..^=   =^..^=
+#
+# Generate macros for the target.
+
+FROM sdk as sdk-macros
+ARG ARCH
+
+COPY macros/* /tmp/
+
+WORKDIR /tmp
+RUN \
+  cat ${ARCH} shared rust cargo > /etc/rpm/macros.bottlerocket
+
 # =^..^=   =^..^=   =^..^=   =^..^=   =^..^=   =^..^=   =^..^=   =^..^=   =^..^=
 #
 # Collects all toolchain builds as single image layer
@@ -994,6 +1007,11 @@ COPY --chown=0:0 --from=sdk-e2fsprogs \
   /home/builder/NOTICE \
   /usr/share/licenses/dir2fs/
 
+# "sdk-macros" has the rpm macros
+COPY --chown=0:0 --from=sdk-macros \
+  /etc/rpm/macros.bottlerocket \
+  /etc/rpm/macros.bottlerocket
+
 # Add Rust programs and libraries to the path.
 # Also add symlinks to help out with sysroot discovery.
 RUN \

macros/aarch64

@@ -4,7 +4,7 @@
 %_cross_cpu_family arm
 %_cross_endian little
 
+%_cross_efi_arch aa64
 %_cross_grub_efi_format arm64-efi
-%_cross_grub_efi_image bootaa64.efi
 
 %_cross_go_arch arm64

macros/shared

@@ -1,6 +1,6 @@
 %_cross_vendor bottlerocket
 %_cross_libc gnu
-%_cross_os %{_cross_vendor}-%{_cross_arch}-
+%_cross_os %{_cross_vendor}-
 %_cross_triple %{_cross_arch}-%{_cross_vendor}-linux
 %_cross_target %{_cross_triple}-%{_cross_libc}
 %dist %{nil}

macros/x86_64

@@ -4,7 +4,7 @@
 %_cross_cpu_family x86
 %_cross_endian little
 
+%_cross_efi_arch x64
 %_cross_grub_efi_format x86_64-efi
-%_cross_grub_efi_image bootx64.efi
 
 %_cross_go_arch amd64