Add pthreadpool

recipes/pthreadpool/build.sh

@@ -0,0 +1,10 @@
+mkdir build
+cd build
+cmake ${CMAKE_ARGS} \
+    -DCMAKE_BUILD_TYPE=Release     \
+    -DPTHREADPOOL_BUILD_TESTS=OFF \
+    -DPTHREADPOOL_BUILD_BENCHMARKS=OFF \
+    -DPTHREADPOOL_LIBRARY_TYPE=shared \
+    ..
+make -j${CPU_COUNT}
+make install

recipes/pthreadpool/meta.yaml

@@ -0,0 +1,63 @@
+# To generate the version number
+{%- if false %}
+git clone [email protected]:Maratyszcza/pthreadpool.git
+cd pthreadpool
+git pull
+echo 0.0.0.$(date  +%Y%m%d -d "$(git show -s --format=%ci HEAD)").$(git rev-list HEAD --count).$(git rev-parse --short HEAD)
+# Get the git sha
+git rev-parse HEAD
+wget --quiet https://github.com/Maratyszcza/pthreadpool/archive/$(git rev-parse HEAD).tar.gz
+openssl sha256 $(git rev-parse HEAD).tar.gz
+{%- endif %}
+
+{% set gitrev = "1787867f6183f056420e532eec640cba25efafea" %}
+{% set version = "0.0.0.20210507.141.1787867" %}
+
+
+package:
+  name: pthreadpool
+  version: {{ version }}
+
+source:
+  url: https://github.com/Maratyszcza/pthreadpool/archive/{{ gitrev}}.tar.gz
+  sha256: da016ef48f1cdad7d9503a1ef4712a50eaf28b95d90ee67419577d40573f76c9
+  patches:
+    - shared_libs.patch
+
+build:
+  # You can probably build this for windows
+  skip: true  # [win]
+  number: 0
+  run_exports:
+    # 0 guarantees because they beleive in not creating real releases...
+    # https://github.com/pytorch/qnnpack/issues/84
+    - {{ pin_subpackage('pthreadpool', max_pin='x.x.x.x.x') }}
+
+requirements:
+  build:
+    - {{ compiler('c') }}
+    - {{ compiler('cxx') }}
+    - cmake
+    - make  # [unix]
+  host:
+    # header only libraries below
+    - fxdiv
+
+test:
+  commands:
+    - test -f ${PREFIX}/include/pthreadpool.h
+    - test -f ${PREFIX}/lib/libpthreadpool${SHLIB_EXT}
+
+about:
+  home: https://github.com/Maratyszcza/pthreadpool
+  summary: portable and efficient thread pool implementation
+  description: |
+    It provides similar functionality to pragma omp parallel for, but with
+    additional features.
+  license: BSD-2-Clause
+  license_family: BSD
+  license_file: LICENSE
+
+extra:
+  recipe-maintainers:
+    - hmaarrfk

recipes/pthreadpool/shared_libs.patch

@@ -0,0 +1,38 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index c1cba55..525427d 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -36,16 +36,6 @@ MACRO(PTHREADPOOL_TARGET_ENABLE_CXX11 target)
+ ENDMACRO()
+
+ # ---[ Download deps
+-IF(NOT DEFINED FXDIV_SOURCE_DIR)
+-  MESSAGE(STATUS "Downloading FXdiv to ${CMAKE_BINARY_DIR}/FXdiv-source (define FXDIV_SOURCE_DIR to avoid it)")
+-  CONFIGURE_FILE(cmake/DownloadFXdiv.cmake "${CMAKE_BINARY_DIR}/FXdiv-download/CMakeLists.txt")
+-  EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
+-    WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/FXdiv-download")
+-  EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" --build .
+-    WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/FXdiv-download")
+-  SET(FXDIV_SOURCE_DIR "${CMAKE_BINARY_DIR}/FXdiv-source" CACHE STRING "FXdiv source directory")
+-ENDIF()
+-
+ IF(PTHREADPOOL_BUILD_TESTS AND NOT DEFINED GOOGLETEST_SOURCE_DIR)
+   MESSAGE(STATUS "Downloading Google Test to ${CMAKE_BINARY_DIR}/googletest-source (define GOOGLETEST_SOURCE_DIR to avoid it)")
+   CONFIGURE_FILE(cmake/DownloadGoogleTest.cmake "${CMAKE_BINARY_DIR}/googletest-download/CMakeLists.txt")
+@@ -149,15 +139,6 @@ IF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+   TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE _GNU_SOURCE=1)
+ ENDIF()
+
+-# ---[ Configure FXdiv
+-IF(NOT TARGET fxdiv)
+-  SET(FXDIV_BUILD_TESTS OFF CACHE BOOL "")
+-  SET(FXDIV_BUILD_BENCHMARKS OFF CACHE BOOL "")
+-  ADD_SUBDIRECTORY(
+-    "${FXDIV_SOURCE_DIR}"
+-    "${CMAKE_BINARY_DIR}/FXdiv")
+-ENDIF()
+-TARGET_LINK_LIBRARIES(pthreadpool PRIVATE fxdiv)
+
+ INSTALL(TARGETS pthreadpool
+   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+