add openmp on windows

.ci_support/migrations/flang19.yaml

@@ -0,0 +1,13 @@
+__migrator:
+  kind: version
+  migration_number: 1
+  build_number: 1
+  commit_message: Rebuild for flang 19
+  platform_allowlist:
+    - win-64
+  override_cbc_keys:
+    - fortran_compiler_stub
+migrator_ts: 1722763680.3089325
+
+fortran_compiler_version:      # [win64]
+  - 19                         # [win64]

.ci_support/osx_64_SYMBOLSUFFIX64_name_suffix-ilp64.yaml

@@ -11,7 +11,7 @@ USE_OPENMP:
 c_compiler:
 - clang
 c_compiler_version:
-- '16'
+- '17'
 c_stdlib:
 - macosx_deployment_target
 c_stdlib_version:
@@ -23,9 +23,9 @@ channel_targets:
 fortran_compiler:
 - gfortran
 fortran_compiler_version:
-- '12'
+- '13'
 llvm_openmp:
-- '16'
+- '17'
 macos_machine:
 - x86_64-apple-darwin13.4.0
 name_suffix:

.ci_support/osx_64_SYMBOLSUFFIXname_suffix.yaml

@@ -11,7 +11,7 @@ USE_OPENMP:
 c_compiler:
 - clang
 c_compiler_version:
-- '16'
+- '17'
 c_stdlib:
 - macosx_deployment_target
 c_stdlib_version:
@@ -23,9 +23,9 @@ channel_targets:
 fortran_compiler:
 - gfortran
 fortran_compiler_version:
-- '12'
+- '13'
 llvm_openmp:
-- '16'
+- '17'
 macos_machine:
 - x86_64-apple-darwin13.4.0
 name_suffix:

.ci_support/osx_arm64_SYMBOLSUFFIX64_name_suffix-ilp64.yaml

@@ -11,7 +11,7 @@ USE_OPENMP:
 c_compiler:
 - clang
 c_compiler_version:
-- '16'
+- '17'
 c_stdlib:
 - macosx_deployment_target
 c_stdlib_version:
@@ -23,9 +23,9 @@ channel_targets:
 fortran_compiler:
 - gfortran
 fortran_compiler_version:
-- '12'
+- '13'
 llvm_openmp:
-- '16'
+- '17'
 macos_machine:
 - arm64-apple-darwin20.0.0
 name_suffix:

.ci_support/osx_arm64_SYMBOLSUFFIXname_suffix.yaml

@@ -11,7 +11,7 @@ USE_OPENMP:
 c_compiler:
 - clang
 c_compiler_version:
-- '16'
+- '17'
 c_stdlib:
 - macosx_deployment_target
 c_stdlib_version:
@@ -23,9 +23,9 @@ channel_targets:
 fortran_compiler:
 - gfortran
 fortran_compiler_version:
-- '12'
+- '13'
 llvm_openmp:
-- '16'
+- '17'
 macos_machine:
 - arm64-apple-darwin20.0.0
 name_suffix:

.ci_support/win_64_.yaml → .ci_support/win_64_USE_OPENMP0.yaml

@@ -15,7 +15,7 @@ channel_targets:
 fortran_compiler:
 - flang
 fortran_compiler_version:
-- '5'
+- '19'
 name_suffix:
 - ''
 perl:

.ci_support/win_64_USE_OPENMP1.yaml

@@ -0,0 +1,28 @@
+INTERFACE64:
+- '0'
+SYMBOLSUFFIX:
+- ''
+USE_OPENMP:
+- '1'
+c_compiler:
+- vs2019
+c_stdlib:
+- vs
+channel_sources:
+- conda-forge
+channel_targets:
+- conda-forge main
+fortran_compiler:
+- flang
+fortran_compiler_version:
+- '19'
+name_suffix:
+- ''
+perl:
+- 5.32.1
+target_platform:
+- win-64
+zip_keys:
+- - SYMBOLSUFFIX
+  - name_suffix
+  - INTERFACE64

recipe/bld.bat

@@ -1,18 +1,38 @@
 @echo on
+SetLocal EnableDelayedExpansion
+
+:: show CPU arch to detect slow CI agents early (rather than wait for 6h timeout)
+python -c "import numpy; numpy.show_config()"
+
+:: flang still uses a temporary name not recognized by CMake
+copy %BUILD_PREFIX%\Library\bin\flang-new.exe %BUILD_PREFIX%\Library\bin\flang.exe
 
 mkdir build
 cd build
 
+if "%USE_OPENMP%"=="1" (
+    REM https://discourse.cmake.org/t/how-to-find-openmp-with-clang-on-macos/8860
+    set "CMAKE_EXTRA=-DOpenMP_ROOT=%LIBRARY_LIB%"
+    REM not picked up by `find_package(OpenMP)` for some reason
+    set "CMAKE_EXTRA=-DOpenMP_Fortran_FLAGS=-fopenmp -DOpenMP_Fortran_LIB_NAMES=libomp"
+)
+
+:: millions of lines of warnings with clang-19
+set "CFLAGS=%CFLAGS% -w"
+
 cmake -G "Ninja"                            ^
     -DCMAKE_C_COMPILER=clang-cl             ^
     -DCMAKE_Fortran_COMPILER=flang          ^
     -DCMAKE_BUILD_TYPE=Release              ^
     -DCMAKE_INSTALL_PREFIX=%LIBRARY_PREFIX% ^
     -DDYNAMIC_ARCH=ON                       ^
     -DBUILD_WITHOUT_LAPACK=no               ^
+    -DNO_AVX512=1                           ^
     -DNOFORTRAN=0                           ^
     -DNUM_THREADS=128                       ^
     -DBUILD_SHARED_LIBS=on                  ^
+    -DUSE_OPENMP=%USE_OPENMP%               ^
+    !CMAKE_EXTRA!                           ^
     %SRC_DIR%
 if %ERRORLEVEL% neq 0 exit 1
 

recipe/build.sh

@@ -1,6 +1,9 @@
 #!/bin/bash
 set -ex
 
+# show CPU arch to detect slow CI agents early (rather than wait for 6h timeout)
+python -c "import numpy; numpy.show_config()"
+
 # Fix ctest not automatically discovering tests
 LDFLAGS=$(echo "${LDFLAGS}" | sed "s/-Wl,--gc-sections//g")
 

recipe/conda_build_config.yaml

@@ -18,8 +18,8 @@ INTERFACE64:
   - 1         # [not (win or aarch64)]
 
 USE_OPENMP:
-  - "0"    # [win or linux]
-  - "1"    # [osx or linux]
+  - "0"    # [not osx]
+  - "1"
 
 zip_keys:
   - - SYMBOLSUFFIX