package/pthreadpool: new package

This package is required by tensorflow-lite.

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

DEVELOPERS

@@ -3035,6 +3035,7 @@ F:	package/ti-gfx/
 N:	Stefan Hager <stefan.hager@ginzinger.com>
 F:	package/cpuinfo/
 F:	package/gemmlowp/
+F:	package/pthreadpool/
 F:	package/ruy/
 
 N:	Stefan Nickl <Stefan.Nickl@gmail.com>

package/Config.in

@@ -2297,6 +2297,7 @@ endif
 	source "package/protobuf/Config.in"
 	source "package/protobuf-c/Config.in"
 	source "package/protozero/Config.in"
+	source "package/pthreadpool/Config.in"
 	source "package/qhull/Config.in"
 	source "package/qlibc/Config.in"
 	source "package/reproc/Config.in"

package/pthreadpool/Config.in

@@ -0,0 +1,8 @@
+config BR2_PACKAGE_PTHREADPOOL
+	bool "pthreadpool"
+	select BR2_PACKAGE_FXDIV
+	help
+	  Pthreadpool is a portable and efficient thread pool
+	  implementation.
+
+	  https://github.com/Maratyszcza/pthreadpool

package/pthreadpool/pthreadpool.hash

@@ -0,0 +1,4 @@
+# Locally calculated
+sha256  8d8ebab96df6aa12922643060e72c43bfdca9fd80cf5aacaf7391bc6850560a3  pthreadpool-560c60d342a76076f0557a3946924c6478470044.tar.gz
+# License files, locally calculated
+sha256  57814a606b4d0fb087d9a534919084b6c11b58a4174cb5a4aef200187780dc3a  LICENSE

package/pthreadpool/pthreadpool.mk

@@ -0,0 +1,33 @@
+################################################################################
+#
+# pthreadpool
+#
+################################################################################
+
+PTHREADPOOL_VERSION = 560c60d342a76076f0557a3946924c6478470044
+PTHREADPOOL_SITE = $(call github,Maratyszcza,pthreadpool,$(PTHREADPOOL_VERSION))
+PTHREADPOOL_LICENSE = BSD-2-Clause
+PTHREADPOOL_LICENSE_FILES = LICENSE
+PTHREADPOOL_INSTALL_STAGING = YES
+PTHREADPOOL_DEPENDENCIES = fxdiv
+
+PTHREADPOOL_CFLAGS = $(TARGET_CFLAGS)
+PTHREADPOOL_CXXFLAGS = $(TARGET_CXXFLAGS)
+
+ifeq ($(BR2_PACKAGE_CPUINFO),y)
+PTHREADPOOL_DEPENDENCIES += cpuinfo
+PTHREADPOOL_CFLAGS += -DPTHREADPOOL_USE_CPUINFO=1
+PTHREADPOOL_CXXFLAGS += -DPTHREADPOOL_USE_CPUINFO=1
+else
+PTHREADPOOL_CFLAGS += -DPTHREADPOOL_USE_CPUINFO=0
+PTHREADPOOL_CXXFLAGS += -DPTHREADPOOL_USE_CPUINFO=0
+endif
+
+PTHREADPOOL_CONF_OPTS = \
+	-DCMAKE_C_FLAGS="$(PTHREADPOOL_CFLAGS)" \
+	-DCMAKE_CXX_FLAGS="$(PTHREADPOOL_CXXFLAGS)" \
+	-DFXDIV_SOURCE_DIR="$(FXDIV_DIR)" \
+	-DPTHREADPOOL_BUILD_TESTS=OFF \
+	-DPTHREADPOOL_BUILD_BENCHMARKS=OFF
+
+$(eval $(cmake-package))