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89d0e575e3
This commit essentially contains all changes from the following commits (most recent last): *f35168f671*86a553d66e*ab5c03b44dThe series file and the patches' prefixed numbers have been updated correspondingly. A very minor adaptation has been made to the patch added by commitf35168f671in order to get it to apply correctly. Signed-off-by: Max Carrara <m.carrara@proxmox.com> (cherry picked from commitf9e87274b7) Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
48 lines
2.0 KiB
Diff
48 lines
2.0 KiB
Diff
From 620b68a348f07145c49c12668576a89dee8198cb Mon Sep 17 00:00:00 2001
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From: Kefu Chai <tchaikov@gmail.com>
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Date: Fri, 15 Dec 2023 19:01:46 +0800
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Subject: [PATCH] cmake/modules/BuildRocksDB.cmake: inherit parent's CMAKE_CXX_FLAGS
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CMake allows us to customize `CMAKE_CXX_FLAGS` by setting CXXFLAGS
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environmental variable. and Debian's debhelper also sets CXXFLAGS
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when it builds cmake projects for customizing the building flags.
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but we fail to populate this setting down when building external
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projects. this is important when it comes to the projects which
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is critical to the performance. RocksDB is one of them.
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in this change, we pass the `CMAKE_CXX_FLAGS` down in
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`BuildRocksDB.cmake` so that its `CMAKE_CXX_FLAGS` contains
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the same set of `CMAKE_CXX_FLAGS` used by its parent project.
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this should help with the performance in the bluestore, where
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RocksDB is used.
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Signed-off-by: Kefu Chai <tchaikov@gmail.com>
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(cherry-picked from beb1a624921d7589db63dea066935b3aa9ce2698)
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---
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cmake/modules/BuildRocksDB.cmake | 4 ++--
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cmake/modules/BuildRocksDB.cmake | 1 +
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2 files changed, 3 insertions(+), 2 deletions(-)
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diff --git a/cmake/modules/BuildRocksDB.cmake b/cmake/modules/BuildRocksDB.cmake
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index f9a28274c40..e0208f6545b 100644
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--- a/cmake/modules/BuildRocksDB.cmake
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+++ b/cmake/modules/BuildRocksDB.cmake
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@@ -57,12 +57,13 @@ function(build_rocksdb)
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endif()
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include(CheckCXXCompilerFlag)
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check_cxx_compiler_flag("-Wno-deprecated-copy" HAS_WARNING_DEPRECATED_COPY)
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+ set(rocksdb_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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if(HAS_WARNING_DEPRECATED_COPY)
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- set(rocksdb_CXX_FLAGS -Wno-deprecated-copy)
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+ string(APPEND rocksdb_CXX_FLAGS " -Wno-deprecated-copy")
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endif()
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check_cxx_compiler_flag("-Wno-pessimizing-move" HAS_WARNING_PESSIMIZING_MOVE)
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if(HAS_WARNING_PESSIMIZING_MOVE)
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- set(rocksdb_CXX_FLAGS "${rocksdb_CXX_FLAGS} -Wno-pessimizing-move")
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+ string(APPEND rocksdb_CXX_FLAGS " -Wno-pessimizing-move")
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endif()
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if(rocksdb_CXX_FLAGS)
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list(APPEND rocksdb_CMAKE_ARGS -DCMAKE_CXX_FLAGS='${rocksdb_CXX_FLAGS}')
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