Add flang-activation

recipes/flang-activation/LICENSE

@@ -0,0 +1,28 @@
+BSD 3-Clause License
+
+Copyright (c) 2012, Anaconda, Inc.
+Copyright (c) 2015-2019, conda-forge
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of the copyright holder nor the names of its
+      contributors may be used to endorse or promote products
+      derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

recipes/flang-activation/activate.bat

@@ -0,0 +1,12 @@
+set "CONDA_BACKUP_FC=%FC%"
+set "CONDA_BACKUP_FFLAGS=%FFLAGS%"
+set "CONDA_BACKUP_LD=%LD%"
+set "CONDA_BACKUP_LDFLAGS=%LDFLAGS%"
+
+:: flang 19 still uses "temporary" name
+set "FC=flang-new"
+set "LD=lld-link.exe"
+
+:: following https://github.com/conda-forge/clang-win-activation-feedstock/blob/main/recipe/activate-clang_win-64.bat
+set "FFLAGS=-D_CRT_SECURE_NO_WARNINGS -fms-runtime-lib=dll -fuse-ld=lld -I%LIBRARY_INC%"
+set "LDFLAGS=%LDFLAGS% -Wl,-defaultlib:%CONDA_PREFIX:\=/%/lib/clang/@MAJOR_VER@/lib/windows/clang_rt.builtins-x86_64.lib"

recipes/flang-activation/activate.sh

@@ -0,0 +1,2 @@
+export CONDA_BACKUP_FC=$FC
+export FC="@CHOST@-flang"

recipes/flang-activation/conda_build_config.yaml

@@ -0,0 +1,27 @@
+CBUILD:
+  - x86_64-conda-linux-gnu      # [linux]
+  - x86_64-pc-windows-msvc      # [win]
+  - dummy                       # [osx]
+
+CHOST:
+  - x86_64-conda-linux-gnu      # [linux]
+# - wasm32-unknown-emscripten   # [linux]
+  - x86_64-pc-windows-msvc      # [win]
+  - dummy                       # [osx]
+
+cross_target_platform:
+  - linux-64                    # [linux]
+# - emscripten-wasm32           # [linux]
+  - win-64                      # [win]
+  - dummy                       # [osx]
+
+zip_keys:
+  -
+    - CHOST
+    - cross_target_platform
+
+channel_targets:
+  - conda-forge llvm_rc
+
+channel_sources:
+  - conda-forge/label/llvm_rc,conda-forge

recipes/flang-activation/deactivate.bat

@@ -0,0 +1,4 @@
+set "FC=%CONDA_BACKUP_FC%"
+set "FFLAGS=%CONDA_BACKUP_FFLAGS%"
+set "LD=%CONDA_BACKUP_LD%"
+set "LDFLAGS=%CONDA_BACKUP_LDFLAGS%"

recipes/flang-activation/deactivate.sh

@@ -0,0 +1 @@
+export FC=$CONDA_BACKUP_FC

recipes/flang-activation/hello_world.f90

@@ -0,0 +1,3 @@
+program hello
+  print *, "Hello World!"
+end program hello

recipes/flang-activation/install_flang.bat

@@ -0,0 +1,13 @@
+@echo on
+
+for /f "tokens=1 delims=." %%i in ("%PKG_VERSION%") do (
+  set "MAJOR_VER=%%i"
+)
+
+:: Copy the [de]activate scripts to %PREFIX%\etc\conda\[de]activate.d.
+:: This will allow them to be run on environment activation.
+FOR %%F IN (activate deactivate) DO (
+    IF NOT EXIST %PREFIX%\etc\conda\%%F.d MKDIR %PREFIX%\etc\conda\%%F.d
+    COPY %RECIPE_DIR%\%%F.bat %PREFIX%\etc\conda\%%F.d\%PKG_NAME%_%%F.bat
+    sed -i 's/@MAJOR_VER@/%MAJOR_VER%/g' %PREFIX%\etc\conda\%%F.d\%PKG_NAME%_%%F.bat
+)

recipes/flang-activation/install_flang.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+set -ex
+
+for CHANGE in "activate" "deactivate"
+do
+    mkdir -p "${PREFIX}/etc/conda/${CHANGE}.d"
+    cp "${RECIPE_DIR}/${CHANGE}.sh" "${PREFIX}/etc/conda/${CHANGE}.d/${PKG_NAME}_${CHANGE}.sh"
+    sed -i 's/@CHOST@/${CHOST}/g' ${PREFIX}/etc/conda/${CHANGE}.d/${PKG_NAME}_${CHANGE}.sh
+done

recipes/flang-activation/install_flang_impl.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+set -ex
+
+pushd "${PREFIX}"/bin
+  ln -s flang-new ${CHOST}-flang
+  if [[ "${CBUILD}" != ${CHOST} ]]; then
+    ln -s flang-new ${CBUILD}-flang
+  fi
+popd

recipes/flang-activation/meta.yaml

@@ -0,0 +1,59 @@
+{% set version = "19.1.0.rc4" %}
+
+package:
+  name: flang-activation
+  version: {{ version }}
+
+build:
+  number: 0
+  # intentionally only windows (main target) & linux (debuggability)
+  skip: true  # [osx]
+
+outputs:
+  - name: flang_impl_{{ cross_target_platform }}
+    script: install_flang_impl.sh   # [unix]
+    # we don't cross-compile on windows -> no symlinks
+    requirements:
+      - flang ={{ version }}
+      - lld                     # [win]
+      - compiler-rt_{{ cross_target_platform }} ={{ version }}
+    test:
+      commands:
+        - {{ CBUILD }}-flang --version  # [unix]
+        - {{ CHOST }}-flang --version   # [unix]
+
+  - name: flang_{{ cross_target_platform }}
+    script: install_flang.sh   # [unix]
+    script: install_flang.bat  # [win]
+    run_exports:
+      strong:
+        - libflang >={{ version }}
+    requirements:
+      build:
+        - sed       # [unix]
+        - m2-sed    # [win]
+      run:
+        - {{ pin_subpackage("flang_impl_" ~ cross_target_platform, exact=True) }}
+    test:
+      files:
+        - hello_world.f90
+      commands:
+        # on linux we point FC to the symlink; on windows, we point to the binary;
+        # the latter is still named "flang-new" instead of "flang" as of v19, see
+        # https://discourse.llvm.org/t/proposal-rename-flang-new-to-flang/69462
+        - $FC hello_world.f90       # [unix]
+        - "%FC% hello_world.f90"    # [win]
+        - ./a.out   # [unix]
+        - a.exe     # [win]
+
+about:
+  home: https://flang.llvm.org
+  license: BSD-3-Clause
+  license_file: LICENSE
+  summary: Flang is a Fortran compiler targeting LLVM.
+  dev_url: https://github.com/llvm/llvm-project
+
+extra:
+  recipe-maintainers:
+    - isuruf
+    - h-vetinari