[pthreadpool] create a new port (#16342)

* [fxdiv] create a new port

* [fxdiv] update baseline and port SHA

* [pthreadpool] create a new port

* [pthreadpool] update baseline and port SHA

* [pthreadpool] update deps for uwp

* [pthreadpool] apply PR feedback

* [pthreadpool] remove unnecessary work in portfile

5 files changed, 117 insertions, 0 deletions

diff --git a/ports/pthreadpool/fix-cmakelists.patch b/ports/pthreadpool/fix-cmakelists.patch
new file mode 100644
index 000000000..2f56f6b9b
--- /dev/null
+++ b/ports/pthreadpool/fix-cmakelists.patch
@@ -0,0 +1,65 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -4,8 +4,6 @@ CMAKE_MINIMUM_REQUIRED(VERSION 3.5 FATAL_ERROR)
+ PROJECT(pthreadpool C CXX)
+ 
+ # ---[ Options.
+-SET(PTHREADPOOL_LIBRARY_TYPE "default" CACHE STRING "Type of library (shared, static, or default) to build")
+-SET_PROPERTY(CACHE PTHREADPOOL_LIBRARY_TYPE PROPERTY STRINGS default static shared)
+ OPTION(PTHREADPOOL_ALLOW_DEPRECATED_API "Enable deprecated API functions" ON)
+ SET(PTHREADPOOL_SYNC_PRIMITIVE "default" CACHE STRING "Synchronization primitive (condvar, futex, gcd, event, or default) for worker threads")
+ SET_PROPERTY(CACHE PTHREADPOOL_SYNC_PRIMITIVE PROPERTY STRINGS default condvar futex gcd event)
+@@ -14,7 +12,7 @@ IF(CMAKE_SYSTEM_PROCESSOR MATCHES "^(i[3-6]86|AMD64|x86(_64)?)$")
+ ELSE()
+   OPTION(PTHREADPOOL_ENABLE_FASTPATH "Enable fast path using atomic decrement instead of atomic compare-and-swap" OFF)
+ ENDIF()
+-IF("${CMAKE_SOURCE_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}")
++IF(FALSE)
+   OPTION(PTHREADPOOL_BUILD_TESTS "Build pthreadpool unit tests" ON)
+   OPTION(PTHREADPOOL_BUILD_BENCHMARKS "Build pthreadpool micro-benchmarks" ON)
+ ELSE()
+@@ -36,7 +34,8 @@ MACRO(PTHREADPOOL_TARGET_ENABLE_CXX11 target)
+ ENDMACRO()
+ 
+ # ---[ Download deps
+-IF(NOT DEFINED FXDIV_SOURCE_DIR)
++find_path(FXDIV_INCLUDE_DIRS "fxdiv.h")
++IF(FALSE)
+   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}" .
+@@ -93,15 +92,7 @@ IF(NOT PTHREADPOOL_ALLOW_DEPRECATED_API)
+ ENDIF()
+ INSTALL(FILES include/pthreadpool.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+ 
+-IF(PTHREADPOOL_LIBRARY_TYPE STREQUAL "default")
+-  ADD_LIBRARY(pthreadpool ${PTHREADPOOL_SRCS})
+-ELSEIF(PTHREADPOOL_LIBRARY_TYPE STREQUAL "shared")
+-  ADD_LIBRARY(pthreadpool SHARED ${PTHREADPOOL_SRCS})
+-ELSEIF(PTHREADPOOL_LIBRARY_TYPE STREQUAL "static")
+-  ADD_LIBRARY(pthreadpool STATIC ${PTHREADPOOL_SRCS})
+-ELSE()
+-  MESSAGE(FATAL_ERROR "Unsupported library type ${PTHREADPOOL_LIBRARY_TYPE}")
+-ENDIF()
++ADD_LIBRARY(pthreadpool ${PTHREADPOOL_SRCS})
+ 
+ IF(PTHREADPOOL_SYNC_PRIMITIVE STREQUAL "condvar")
+   TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_FUTEX=0)
+@@ -150,14 +141,14 @@ IF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+ ENDIF()
+ 
+ # ---[ Configure FXdiv
+-IF(NOT TARGET fxdiv)
++IF(FALSE)
+   SET(FXDIV_BUILD_TESTS OFF CACHE BOOL "")
+   SET(FXDIV_BUILD_BENCHMARKS OFF CACHE BOOL "")
+   ADD_SUBDIRECTORY(
+     "${FXDIV_SOURCE_DIR}"
+     "${CMAKE_BINARY_DIR}/FXdiv")
+ ENDIF()
+-TARGET_LINK_LIBRARIES(pthreadpool PRIVATE fxdiv)
++TARGET_INCLUDE_DIRECTORIES(pthreadpool PRIVATE ${FXDIV_INCLUDE_DIRS})
+ 
+ INSTALL(TARGETS pthreadpool
+   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
diff --git a/ports/pthreadpool/portfile.cmake b/ports/pthreadpool/portfile.cmake
new file mode 100644
index 000000000..f3be91092
--- /dev/null
+++ b/ports/pthreadpool/portfile.cmake
@@ -0,0 +1,25 @@
+if(VCPKG_TARGET_IS_WINDOWS)
+    vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+endif()
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO Maratyszcza/pthreadpool
+    REF b4589998be9a0f794236cf46f1b5b232b2b15ca3 # there is a too much gap from the last release...
+    SHA512 8459e489a41c38f4dbe6c4401ebe624c7dc4685181b0852c2284f0e413a192ae9fd1ffd9b43fd97b7fd95dbda4970bc71d8c1eba8e33afa9efea74440f00803d
+    PATCHES
+        fix-cmakelists.patch
+)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS
+        -DPTHREADPOOL_BUILD_TESTS=OFF
+        -DPTHREADPOOL_BUILD_BENCHMARKS=OFF
+)
+vcpkg_install_cmake()
+vcpkg_copy_pdbs()
+
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
diff --git a/ports/pthreadpool/vcpkg.json b/ports/pthreadpool/vcpkg.json
new file mode 100644
index 000000000..e3924a698
--- /dev/null
+++ b/ports/pthreadpool/vcpkg.json
@@ -0,0 +1,14 @@
+{
+  "name": "pthreadpool",
+  "version-date": "2020-02-21",
+  "description": "Portable (POSIX/Windows/Emscripten) thread pool for C/C++",
+  "homepage": "https://github.com/Maratyszcza/pthreadpool",
+  "supports": "!uwp",
+  "dependencies": [
+    "fxdiv",
+    {
+      "name": "pthreads",
+      "platform": "uwp"
+    }
+  ]
+}
diff --git a/versions/baseline.json b/versions/baseline.json
index dc9e7da9e..3dd4baa61 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -4888,6 +4888,10 @@
       "baseline": "3.0.0",
       "port-version": 0
     },
+    "pthreadpool": {
+      "baseline": "2020-02-21",
+      "port-version": 0
+    },
     "pthreads": {
       "baseline": "3.0.0-6",
       "port-version": 0
diff --git a/versions/p-/pthreadpool.json b/versions/p-/pthreadpool.json
new file mode 100644
index 000000000..09c0ab015
--- /dev/null
+++ b/versions/p-/pthreadpool.json
@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "9c1519f2cc1eb186ccd706a4f634350877da6dba",
+      "version-date": "2020-02-21",
+      "port-version": 0
+    }
+  ]
+}