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remove pthreadpool.a from install directory (#25977)

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Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/25977

Call add_subdirectory() explicitly before NNPACK/QNNPACK with
EXCLUDE_FROM_ALL property so that pthreadpool target won't be installed
by default for libtorch mobile build.

Pull Request resolved: https://github.com/pytorch/pytorch/pull/25977

Test Plan: Imported from OSS

Differential Revision: D17312083

Pulled By: ljk53

fbshipit-source-id: 79851d0aa9402c5b9287ef4bbd8d7fd3a341497d
This commit is contained in:
Jiakai Liu 2019-09-11 12:23:05 -07:00 committed by Facebook Github Bot
parent 54f3cb8f79
commit 075adb4d2d
1 changed files with 22 additions and 0 deletions
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22
cmake/Dependencies.cmake
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@ -186,6 +186,28 @@ set(CONFU_DEPENDENCIES_SOURCE_DIR ${PROJECT_BINARY_DIR}/confu-srcs
set(CONFU_DEPENDENCIES_BINARY_DIR ${PROJECT_BINARY_DIR}/confu-deps
CACHE PATH "Confu-style dependencies binary directory")
# ---[ pthreadpool
# QNNPACK and NNPACK both depend on pthreadpool, but when building with libtorch
# they should use the pthreadpool implementation under caffe2/utils/threadpool
# instead of the default implementation. To avoid confusion, add pthreadpool
# subdirectory explicitly with EXCLUDE_FROM_ALL property prior to QNNPACK/NNPACK
# does so, which will prevent it from installing the default pthreadpool library.
if(INTERN_BUILD_MOBILE AND NOT BUILD_CAFFE2_MOBILE AND (USE_QNNPACK OR USE_NNPACK))
if(NOT DEFINED PTHREADPOOL_SOURCE_DIR)
set(CAFFE2_THIRD_PARTY_ROOT "${PROJECT_SOURCE_DIR}/third_party")
set(PTHREADPOOL_SOURCE_DIR "${CAFFE2_THIRD_PARTY_ROOT}/pthreadpool" CACHE STRING "pthreadpool source directory")
endif()
IF(NOT TARGET pthreadpool)
SET(PTHREADPOOL_BUILD_TESTS OFF CACHE BOOL "")
SET(PTHREADPOOL_BUILD_BENCHMARKS OFF CACHE BOOL "")
ADD_SUBDIRECTORY(
"${PTHREADPOOL_SOURCE_DIR}"
"${CONFU_DEPENDENCIES_BINARY_DIR}/pthreadpool"
EXCLUDE_FROM_ALL)
ENDIF()
endif()
# ---[ QNNPACK
if(USE_QNNPACK)
if (IOS)