build: make oras available on ppc64le and riscv64

Signed-off-by: Billy Zha <[email protected]>

.github/workflows/release-ghcr.yml

@@ -45,7 +45,7 @@ jobs:
       - name: docker build
         run: |          
           docker buildx create --use
-          docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7,linux/s390x -t ${{ steps.prepare.outputs.ref }} --push .
+          docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7,linux/s390x,linux/riscv64,linux/ppc64le -t ${{ steps.prepare.outputs.ref }} --push .
       - name: clear
         if: always()
         run: |

Makefile

@@ -51,7 +51,7 @@ clean:  ## clean up build
 build: build-linux build-mac build-windows  ## build for all targets
 
 .PHONY: build-linux
-build-linux: build-linux-amd64 build-linux-arm64 build-linux-arm-v7 build-linux-s390x  ## build all linux architectures
+build-linux: build-linux-amd64 build-linux-arm64 build-linux-arm-v7 build-linux-s390x build-linux-ppc64le build-linux-riscv64 ## build all linux architectures
 
 .PHONY: build-linux-amd64
 build-linux-amd64:  ## build for linux amd64
@@ -73,6 +73,16 @@ build-linux-s390x:  ## build for linux s390x
 	GOARCH=s390x CGO_ENABLED=0 GOOS=linux $(GO_EXE) build -v --ldflags="$(LDFLAGS)" \
 		-o bin/linux/s390x/$(CLI_EXE) $(CLI_PKG)
 
+.PHONY: build-linux-ppc64le
+build-linux-ppc64le:  ## build for linux ppc64le
+	GOARCH= ppc64leCGO_ENABLED=0 GOOS=linux $(GO_EXE) build -v --ldflags="$(LDFLAGS)" \
+		-o bin/linux/ppc64le/$(CLI_EXE) $(CLI_PKG)
+
+.PHONY: build-linux-riscv64
+build-linux-riscv64:  ## build for linux riscv64
+	GOARCH= riscv64CGO_ENABLED=0 GOOS=linux $(GO_EXE) build -v --ldflags="$(LDFLAGS)" \
+		-o bin/linux/riscv64/$(CLI_EXE) $(CLI_PKG)
+
 .PHONY: build-mac
 build-mac: build-mac-arm64 build-mac-amd64  ## build all mac architectures