* update

* update

* update

* update

* update

* update

* repalce gflags header

* replace DEFINE_<type> with PD_DEFINE_<type>

* fix bug

* fix bug

* fix bug

* update cmake

* add :: before some paddle namespace

* fix link error

* fix CI-Py3

* allow commandline parse

* fix SetFlagsFromEnv

* fix bug

* fix bug

* fix CI-CINN

* fix CI-Coverage-build

* fix CI-Windows-build

* fix CI-Inference

* fix bug

* fix bug

* fix CI-CINN

* fix inference api test

* fix infer_ut test

* revert infer_ut gflags usage

* update

* fix inference

* remove flags export macro

* revert inference demo_ci gflags usage

* update

* update

* update

* update

* update

* update

* update

* update

* fix bug when turn on WITH_GFLAGS

* turn on WITH_GFLAGS

* fix bug when turn on WITH_GFLAGS

* fix bug when turn on WITH_GFLAGS

* update

* update and add unittest

* add unittest

* fix conflict

* rerun ci

* update

* resolve conflict

* optimize logsumexp in small data scale

* fix

* fix

* add #pragma once

* compile protobuf offline

* add submodlu gflags

* check_submodules

* check_submodules

* add_submodule protobuf

* add_submodule_protobuf

* add_submodule

* add .gitmodules

* add_submodules

* fix_compiler error

* support offline compile

* support offline compile

* support offline_compile

* remove cub

* remove brpc

* support offline compile

* support offline compile

* canning patching on cryptopp

* modify .gitigonre of cryptopp

* test

* offline compile

* add_submodule zlib

* modify .gitmodules

* modify .gitmodules

* fix setup.py bug

* delete submodule cryptopp

* fix windows compile bug

* fix xxhash compile problem

---------
Co-authored-by: Asthestarsfalll <1186454801@qq.com>
Co-authored-by: NAsthestarsfalll <72954905+Asthestarsfalll@users.noreply.github.com>

* fix build error

* fix build error

* fix

* add all_reduce, reduce kernel and api

* fix all_reduce reduce ut

fix reduce op maker conflict

fix merge conflicts

* fix conflicts, rename ReduceOp->ReduceBaseOp in reduce_ops

rename allreduce op, to remove

* fix code format

fix comments

* modify test_collective_reduce_api ut timeout

* fix PR-CI-Build

fix comments: format phi operator

* support ninja

* fix mkldnn on windows

* fix mkldnn on windows up1

* up2

* up3

* fix gflags

* BUILD_BYPRODUCTS_OPTION -> BUILD_BYPRODUCTS_ARGS

* use CMAKE_COMMAND

* up x

* back fl

* delete ssl cert

* .

* make warning

* .

* unittest paral degree

* solve unittest

* heter & multi cloud commm ready

* .

* .

* arm_brpc compile

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* only output is ok

* base is ok

* .

* .

* .

* .

* .

* .

* .

* .

* add switch server bin

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* adapt brpc ssl

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

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* .

* .

* .

* .

* make third_party's cmake get source code directly 2

* modify according to zhouwei's comment

* eager needs mkldnn to compile

* support Ninja and establish dependencies relationship between paddle with third_party

* fix CI

* support Ninja

tweak the interface of cache_third_party function - expose the SOURCE_DIR for each external library (#21899)

test=develop

* fix the random compilation failure on windows 

test=develop

test=develop

test=develop