Build for linux-ppc64le

.ci_support/linux_ppc64le_.yaml

@@ -0,0 +1,31 @@
+c_compiler:
+- gcc
+c_compiler_version:
+- '13'
+c_stdlib:
+- sysroot
+c_stdlib_version:
+- '2.28'
+cdt_name:
+- cos7
+channel_sources:
+- conda-forge
+channel_targets:
+- conda-forge main
+cxx_compiler:
+- gxx
+cxx_compiler_version:
+- '13'
+docker_image:
+- quay.io/condaforge/linux-anvil-cos7-x86_64
+target_platform:
+- linux-ppc64le
+zip_keys:
+- - c_compiler_version
+  - cxx_compiler_version
+- - c_stdlib_version
+  - cdt_name
+zlib:
+- '1'
+zstd:
+- '1.5'

conda-forge.yml

@@ -9,4 +9,7 @@ conda_build:
 build_platform:
   linux_aarch64: linux_64
   osx_arm64: osx_64
+  linux_ppc64le: linux_64
 test: native_and_emulated
+provider:
+  linux_ppc64le: default

recipe/build.sh

@@ -18,6 +18,9 @@ case "${target_platform}" in
   linux-aarch64)
     bash "${RECIPE_DIR}"/build_scripts/cross-"${builder}"-linux-aarch64.sh
     ;;
+  linux-ppc64le)
+    bash "${RECIPE_DIR}"/build_scripts/cross-"${builder}"-linux-ppc64le.sh
+    ;;
   osx-arm64)
     bash "${RECIPE_DIR}"/build_scripts/cross-"${builder}"-osx-arm64.sh
     ;;

recipe/build_scripts/cross-zig-linux-ppc64le.sh

@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+set -euxo pipefail
+
+# --- Functions ---
+
+source "${RECIPE_DIR}/build_scripts/_functions.sh"
+
+# --- Main ---
+
+export ZIG_GLOBAL_CACHE_DIR="${PWD}/zig-global-cache"
+export ZIG_LOCAL_CACHE_DIR="${PWD}/zig-local-cache"
+
+cmake_build_dir="${SRC_DIR}/build-release"
+cmake_install_dir="${SRC_DIR}/cmake-built-install"
+
+mkdir -p "${cmake_build_dir}" && cp -r "${SRC_DIR}"/zig-source/* "${cmake_build_dir}"
+mkdir -p "${cmake_install_dir}"
+mkdir -p "${SRC_DIR}"/build-level-patches
+cp -r "${RECIPE_DIR}"/patches/xxxx* "${SRC_DIR}"/build-level-patches
+
+SYSROOT_ARCH="powerpc64le"
+
+zig="${BUILD_PREFIX}/bin/zig"
+
+_BUILD_SYSROOT_ARCH="x86_64"
+
+patchelf --set-interpreter "${BUILD_PREFIX}/${_BUILD_SYSROOT_ARCH}-conda-linux-gnu/sysroot/lib64/ld-2.28.so" "${BUILD_PREFIX}/bin/zig"
+patchelf --set-rpath "${BUILD_PREFIX}/${_BUILD_SYSROOT_ARCH}-conda-linux-gnu/sysroot/lib64" "${BUILD_PREFIX}/bin/zig"
+patchelf --add-rpath "${BUILD_PREFIX}/${_BUILD_SYSROOT_ARCH}-conda-linux-gnu/sysroot/usr/lib64" "${BUILD_PREFIX}/bin/zig"
+patchelf --add-rpath "${BUILD_PREFIX}/lib" "${BUILD_PREFIX}/bin/zig"
+patchelf --shrink-rpath --allowed-rpath-prefixes "${BUILD_PREFIX}" "${BUILD_PREFIX}/bin/zig"
+
+patchelf --remove-needed librt.so.1 "${BUILD_PREFIX}/bin/zig"
+patchelf --remove-needed libdl.so.2 "${BUILD_PREFIX}/bin/zig"
+patchelf --remove-needed libm.so.6 "${BUILD_PREFIX}/bin/zig"
+patchelf --add-needed "${BUILD_PREFIX}/${_BUILD_SYSROOT_ARCH}-conda-linux-gnu/sysroot/lib64/librt-2.28.so" "${BUILD_PREFIX}/bin/zig"
+patchelf --add-needed "${BUILD_PREFIX}/${_BUILD_SYSROOT_ARCH}-conda-linux-gnu/sysroot/lib64/libdl-2.28.so" "${BUILD_PREFIX}/bin/zig"
+patchelf --add-needed "${BUILD_PREFIX}/${_BUILD_SYSROOT_ARCH}-conda-linux-gnu/sysroot/lib64/libm-2.28.so" "${BUILD_PREFIX}/bin/zig"
+
+EXTRA_CMAKE_ARGS+=( \
+"-DZIG_SHARED_LLVM=ON" \
+"-DZIG_USE_LLVM_CONFIG=ON" \
+"-DZIG_TARGET_TRIPLE=${SYSROOT_ARCH}-linux-gnu" \
+)
+# Zig searches for libm.so/libc.so in incorrect paths (libm.so with hard-coded /usr/lib64/libmvec_nonshared.a)
+modify_libc_libm_for_zig "${BUILD_PREFIX}"
+
+# When using installed c++ libs, zig needs libzigcpp.a
+configure_cmake_zigcpp "${cmake_build_dir}" "${cmake_install_dir}"
+
+# Zig needs the config.h to correctly (?) find the conda installed llvm, etc
+EXTRA_ZIG_ARGS+=( \
+  "-Dconfig_h=${cmake_build_dir}/config.h" \
+  "-Doptimize=ReleaseFast"
+  "-Denable-llvm" \
+  "-Dstrip" \
+  "-Duse-zig-libcxx=false" \
+  "-Dtarget=${SYSROOT_ARCH}-linux-gnu" \
+  "-fqemu"
+  "--glibc-runtimes" "${PREFIX}/${SYSROOT_ARCH}-conda-linux-gnu/sysroot/lib64/libc.so.6"
+)
+
+mkdir -p "${SRC_DIR}/conda-zig-source" && cp -r "${SRC_DIR}"/zig-source/* "${SRC_DIR}/conda-zig-source"
+remove_failing_langref "${SRC_DIR}/conda-zig-source"
+# Cross-compiling with linux-64 zig, thus not using the emulator
+CROSSCOMPILING_EMULATOR='' build_zig_with_zig "${SRC_DIR}/conda-zig-source" "${zig}" "${PREFIX}"
+patchelf_installed_zig "${PREFIX}" "${PREFIX}"

recipe/meta.yaml

@@ -10,7 +10,7 @@ source:
   - url: https://github.com/ziglang/zig/archive/refs/tags/{{ version }}.tar.gz
     sha256: d3912858003e340f315224bf177d0f441d86b81f62854f5c141b6d51ab6b5516
     patches:
-      - patches/0001-cross-findllvm.patch  # [linux and aarch64]
+      - patches/0001-cross-findllvm.patch  # [linux and (aarch64 or ppc64le)]
     folder: zig-source
 
   # We may need to use the upstream binary dist if conda ZIG cannot build a newer version
@@ -25,7 +25,7 @@ source:
   #   sha256: d45312e61ebcc48032b77bc4cf7fd6915c11fa16e4aad116b66c9468211230ea  # [linux]
 
 build:
-  number: 3
+  number: 4
   skip: true  # [not linux and not osx]
   script_env:
     - BUILD_WITH_CMAKE=1  # [(linux or osx) and x86_64]
@@ -36,7 +36,7 @@ requirements:
   build:
     - {{ compiler('c') }}
     - {{ compiler('cxx') }}
-    - {{ c_stdlib }}_{{ build_platform }} >={{ c_stdlib_version }}  # [linux and aarch64]
+    - {{ c_stdlib }}_{{ build_platform }} >={{ c_stdlib_version }}  # [linux and (aarch64 or ppc64le)]
     - {{ stdlib("c") }}
     - cmake >=3.5
     - ninja
@@ -48,11 +48,11 @@ requirements:
     - llvmdev {{ llvm_version }}
     - llvm {{ llvm_version }}
     - lld {{ llvm_version }}
-    - sysroot_{{ target_platform }} >=2.28  # [linux and aarch64]
+    - sysroot_{{ target_platform }} >=2.28  # [linux and (aarch64 or ppc64le)]
     - zlib
     - zstd
   run:
-    - sysroot_{{ target_platform }} >=2.28  # [linux and aarch64]
+    - sysroot_{{ target_platform }} >=2.28  # [linux and (aarch64 or ppc64le)]
 
 test:
   commands: