chore: support for ppc64 (big-endian)

Author: mhx

.docker/Makefile

@@ -34,13 +34,13 @@ run_debian:
 	@docker run $(COMMON_RUN_OPTS) $(IMAGE_DEBIAN)
 
 build_alpine:
-	docker buildx build -f Dockerfile.alpine --build-arg TARGET_ARCHS=x86_64,aarch64,loongarch64,riscv64,ppc64le,s390x,arm,i386 -t $(IMAGE_ALPINE) .
+	docker buildx build -f Dockerfile.alpine --build-arg TARGET_ARCHS=x86_64,aarch64,loongarch64,riscv64,ppc64,ppc64le,s390x,arm,i386 -t $(IMAGE_ALPINE) .
 
 run_alpine:
 	@docker run $(COMMON_RUN_OPTS) $(IMAGE_ALPINE)
 
 build_alpine_newarch:
-	docker buildx build -f Dockerfile.alpine --build-arg TARGET_ARCHS=loongarch64 -t $(IMAGE_ALPINE_NEWARCH) .
+	docker buildx build -f Dockerfile.alpine --build-arg TARGET_ARCHS=ppc64 -t $(IMAGE_ALPINE_NEWARCH) .
 
 run_alpine_newarch:
 	@docker run $(COMMON_RUN_OPTS) $(IMAGE_ALPINE_NEWARCH)

.docker/build-linux.sh

@@ -186,6 +186,11 @@ esac
 case "-$BUILD_TYPE-" in
   *-static-*)
     case "$CROSS_ARCH" in
+      ppc64)
+         # https://github.com/rui314/mold/issues/1498
+         CMAKE_ARGS="${CMAKE_ARGS} -DDISABLE_MOLD=1"
+         export LDFLAGS="${LDFLAGS} -fuse-ld=lld"
+         ;;
       *)
          export LDFLAGS="${LDFLAGS} -fuse-ld=mold"
          ;;

.docker/install-static-libs.sh

@@ -92,7 +92,7 @@ PARALLEL_HASHMAP_TARBALL="parallel-hashmap-${PARALLEL_HASHMAP_VERSION}.tar.gz"
 use_lib() {
     local lib="$1"
     case "$CARCH" in
-        ppc64le|arm)
+        ppc64*|arm)
             case "$lib" in
                 libunwind|libdwarf|cpptrace)
                     return 1
@@ -276,7 +276,7 @@ for target_arch in ${TARGET_ARCH_STR//,/ }; do
     # COMPILERS="clang clang-lto clang-minsize-lto gcc"
     case "$CARCH" in
         # https://github.com/llvm/llvm-project/issues/150913
-        ppc64le)
+        ppc64*)
             COMPILERS="gcc"
             ;;
         *)

.docker/install-toolchain.sh

@@ -112,6 +112,9 @@ for target_arch in ${TARGET_ARCH_STR//,/ }; do
                 GCC_CONFIGURE_ARGS="--with-arch=armv6 --with-fpu=vfp --with-float=hard"
                 TARGET="arm-linux-musleabihf"
                 ;;
+            ppc64)
+                GCC_CONFIGURE_ARGS="--with-abi=elfv2"
+                ;;
             s390x)
                 GCC_CONFIGURE_ARGS="--with-arch=z10"
                 ;;

.github/workflows/build.yml

@@ -363,6 +363,17 @@ jobs:
             build_type: gcc-release-lto-ninja-static
             cross_arch: ppc64le
 
+          - build_arch: amd64
+            build_dist: alpine
+            build_type: gcc-release-ninja-static
+            cross_arch: ppc64
+
+          ######## blocked by https://github.com/rui314/mold/issues/1498
+          # - build_arch: amd64
+          #   build_dist: alpine
+          #   build_type: gcc-release-lto-ninja-static
+          #   cross_arch: ppc64
+
           ######## no libressl support
           # - build_arch: amd64
           #   build_dist: alpine

.github/workflows/docker-run-build.yml

@@ -67,7 +67,7 @@ jobs:
             -f .docker/Dockerfile.${{ inputs.build_dist }} \
             -t dwarfs-linux-build-${{ inputs.build_dist }} \
             --build-arg ARCH=${{ inputs.build_arch }} \
-            ${{ inputs.build_arch == 'amd64' && '--build-arg TARGET_ARCHS=x86_64,aarch64,loongarch64,riscv64,ppc64le,s390x,arm,i386' || '' }} \
+            ${{ inputs.build_arch == 'amd64' && '--build-arg TARGET_ARCHS=x86_64,aarch64,loongarch64,riscv64,ppc64,ppc64le,s390x,arm,i386' || '' }} \
             .docker
 
       - name: Run Build