Add builds for linux-aarch64, linux-ppc64le and osx-arm64

.ci_support/linux_aarch64_.yaml

@@ -0,0 +1,52 @@
+BUILD:
+- aarch64-conda_cos7-linux-gnu
+c_compiler:
+- gcc
+c_compiler_version:
+- '13'
+c_stdlib:
+- sysroot
+c_stdlib_version:
+- '2.17'
+cdt_arch:
+- aarch64
+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
+gsl:
+- '2.7'
+ipopt:
+- 3.14.16
+libcblas:
+- 3.9 *netlib
+libopencv:
+- 4.10.0
+libyarp:
+- 3.9.0
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- 3.10.* *_cpython
+- 3.11.* *_cpython
+- 3.12.* *_cpython
+- 3.9.* *_cpython
+qt_main:
+- '5.15'
+target_platform:
+- linux-aarch64
+zip_keys:
+- - c_compiler_version
+  - cxx_compiler_version
+- - c_stdlib_version
+  - cdt_name

.ci_support/linux_ppc64le_.yaml

@@ -0,0 +1,48 @@
+c_compiler:
+- gcc
+c_compiler_version:
+- '13'
+c_stdlib:
+- sysroot
+c_stdlib_version:
+- '2.17'
+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
+gsl:
+- '2.7'
+ipopt:
+- 3.14.16
+libcblas:
+- 3.9 *netlib
+libopencv:
+- 4.10.0
+libyarp:
+- 3.9.0
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- 3.10.* *_cpython
+- 3.11.* *_cpython
+- 3.12.* *_cpython
+- 3.9.* *_cpython
+qt_main:
+- '5.15'
+target_platform:
+- linux-ppc64le
+zip_keys:
+- - c_compiler_version
+  - cxx_compiler_version
+- - c_stdlib_version
+  - cdt_name

.ci_support/osx_arm64_.yaml

@@ -0,0 +1,39 @@
+MACOSX_DEPLOYMENT_TARGET:
+- '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
+c_compiler:
+- clang
+c_compiler_version:
+- '17'
+c_stdlib:
+- macosx_deployment_target
+c_stdlib_version:
+- '11.0'
+channel_sources:
+- conda-forge
+channel_targets:
+- conda-forge main
+cxx_compiler:
+- clangxx
+cxx_compiler_version:
+- '17'
+gsl:
+- '2.7'
+ipopt:
+- 3.14.16
+libcblas:
+- 3.9 *netlib
+libopencv:
+- 4.10.0
+libyarp:
+- 3.9.0
+macos_machine:
+- arm64-apple-darwin20.0.0
+qt_main:
+- '5.15'
+target_platform:
+- osx-arm64
+zip_keys:
+- - c_compiler_version
+  - cxx_compiler_version

conda-forge.yml

@@ -4,3 +4,8 @@ github:
 conda_build:
   error_overlinking: true
 conda_forge_output_validation: true
+build_platform:
+  linux_aarch64: linux_64
+  linux_ppc64le: linux_64
+  osx_arm64: osx_64
+test: native_and_emulated

recipe/build_cxx.sh

@@ -4,6 +4,11 @@ rm -rf build
 mkdir build
 cd build
 
+# When cross-compiling use the yarpidl_thrift from the build environment
+if [[ "${CONDA_BUILD_CROSS_COMPILATION}" == "1" ]]; then
+  export CMAKE_ARGS="${CMAKE_ARGS} -DYARPIDL_thrift_LOCATION=$BUILD_PREFIX/bin/yarpidl_thrift"
+fi
+
 if [[ "${target_platform}" == linux-* ]]; then
     export ICUB_MAIN_ON_LINUX=ON
 else

recipe/build_py.sh

@@ -6,6 +6,8 @@ rm -rf build
 mkdir build
 cd build
 
+# Workaround for SP_DIR value that somestimes as of October 2024 seems wrong
+Python_SP_DIR="$(python -c 'import sysconfig; print(sysconfig.get_path("purelib"))')"
 cmake ${CMAKE_ARGS} -GNinja .. \
     -DCMAKE_BUILD_TYPE=Release \
     -DBUILD_SHARED_LIBS:BOOL=ON \
@@ -14,7 +16,7 @@ cmake ${CMAKE_ARGS} -GNinja .. \
     -DCREATE_RUBY:BOOL=OFF \
     -DCREATE_JAVA:BOOL=OFF \
     -DCREATE_CSHARP:BOOL=OFF \
-    -DCMAKE_INSTALL_PYTHONDIR:PATH=${SP_DIR}
+    -DCMAKE_INSTALL_PYTHONDIR:PATH=${Python_SP_DIR}
 
 ninja -v
 cmake --build . --config Release --target install

recipe/meta.yaml

@@ -11,7 +11,7 @@ source:
       - 985.patch
 
 build:
-  number: 0
+  number: 1
 
 outputs:
   - name: libicub-main
@@ -29,6 +29,9 @@ outputs:
         - pkg-config
         - ninja
         - multisheller
+        # yarp_idl_thrift is used in this recipe, so during
+        # cross-compilation we need to install it in the build env
+        - libyarp  # [build_platform != target_platform]
       host:
         - ycm-cmake-modules
         - ace